Mercurial > dottes
annotate abc2xml/abc2xml.py @ 873:655aa8bb9378 build-default-322
Automated merge with ssh://hg.cryhavoc.org.uk/dottes
author | Jim Hague <jim.hague@acm.org> |
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date | Tue, 26 Mar 2019 13:51:35 +0000 |
parents | 4fab69a1027d |
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1 # coding=latin-1 |
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2 ''' |
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3 Copyright (C) 2012: Willem G. Vree |
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4 Contributions: Nils Liberg, Nicolas Froment, Norman Schmidt, Reinier Maliepaard, Martin Tarenskeen |
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5 |
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6 This program is free software; you can redistribute it and/or modify it under the terms of the |
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7 GNU General Public License as published by the Free Software Foundation; either version 2 of |
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8 the License, or (at your option) any later version. |
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9 |
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10 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; |
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11 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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12 See the GNU General Public License for more details. <http://www.gnu.org/licenses/gpl.html>. |
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13 ''' |
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14 |
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15 from pyparsing import Word, OneOrMore, Optional, Literal, NotAny, MatchFirst |
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16 from pyparsing import Group, oneOf, Suppress, ZeroOrMore, Combine, FollowedBy |
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17 from pyparsing import srange, CharsNotIn, StringEnd, LineEnd, White, Regex |
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18 from pyparsing import nums, alphas, alphanums, ParseException, Forward |
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19 try: import xml.etree.cElementTree as E |
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20 except: import xml.etree.ElementTree as E |
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21 import types, sys, os, re, datetime |
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22 |
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23 VERSION = 58 |
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24 |
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25 def info (s, warn=1): |
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26 x = (warn and '-- ' or '') + s |
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27 try: sys.stderr.write (x + '\n') |
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28 except: sys.stderr.write (repr (x) + '\n') |
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29 |
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30 def abc_grammar (): # header, voice and lyrics grammar for ABC |
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31 b1 = Word (u"-,'<>\u2019#", exact=1) # catch misplaced chars in chords |
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32 |
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33 #----------------------------------------------------------------- |
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34 # ABC header (fld_text elements are matched later with reg. epr's) |
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35 #----------------------------------------------------------------- |
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36 |
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37 number = Word (nums).setParseAction (lambda t: int (t[0])) |
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38 field_str = Regex (r'(?:\\.|[^]\\])*') # match anything until end of field, skip escaped \] |
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39 field_str.setParseAction (lambda t: t[0].strip ()) # and strip spacing |
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40 |
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41 userdef_symbol = Word (srange ('[H-Wh-w~]'), exact=1) |
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42 fieldId = oneOf ('K L M Q P I T C O A Z N G H R B D F S E r') # info fields |
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43 X_field = Literal ('X') + Suppress (':') + number + field_str |
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44 U_field = Literal ('U') + Suppress (':') + userdef_symbol + Suppress ('=') + field_str |
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45 V_field = Literal ('V') + Suppress (':') + Word (alphanums + '_') + field_str |
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46 inf_fld = fieldId + Suppress (':') + field_str |
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47 ifield = Suppress ('[') + (X_field | U_field | V_field | inf_fld) + Suppress (']') |
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48 abc_header = OneOrMore (ifield) + StringEnd () |
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49 |
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50 #--------------------------------------------------------------------------------- |
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51 # I:score with recursive part groups and {* grand staff marker |
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52 #--------------------------------------------------------------------------------- |
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53 |
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54 voiceId = Suppress (Optional ('*')) + Word (alphanums + '_') |
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55 voice_gr = Suppress ('(') + OneOrMore (voiceId | Suppress ('|')) + Suppress (')') |
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56 simple_part = voiceId | voice_gr | Suppress ('|') |
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57 grand_staff = oneOf ('{* {') + OneOrMore (simple_part) + Suppress ('}') |
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58 part = Forward () |
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59 part_seq = OneOrMore (part | Suppress ('|')) |
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60 brace_gr = Suppress ('{') + part_seq + Suppress ('}') |
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61 bracket_gr = Suppress ('[') + part_seq + Suppress ('\]') # closing brackets are escaped by splitHeaderVoices |
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62 part << MatchFirst (simple_part | grand_staff | brace_gr | bracket_gr | Suppress ('|')) |
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63 abc_scoredef = Suppress (oneOf ('staves score')) + OneOrMore (part) |
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64 |
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65 #--------------------------------------------------------------------------------- |
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66 # ABC voice (not white space sensitive, beams detected in note/rest parse actions) |
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67 #--------------------------------------------------------------------------------- |
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68 |
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69 inline_field = Suppress ('[') + (inf_fld | U_field | V_field) + Suppress (']') |
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70 |
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71 note_length = Optional (number, 1) + Group (ZeroOrMore ('/')) + Optional (number, 2) |
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72 octaveHigh = OneOrMore ("'").setParseAction (lambda t: len(t)) |
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73 octaveLow = OneOrMore (',').setParseAction (lambda t: -len(t)) |
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74 octave = octaveHigh | octaveLow |
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75 |
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76 basenote = oneOf ('C D E F G A B c d e f g a b y') # includes spacer for parse efficiency |
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77 accidental = oneOf ('^^ __ ^ _ =') |
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78 rest_sym = oneOf ('x X z Z') |
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79 slur_beg = oneOf ('( .(') + ~Word (nums) # no tuplet_start |
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80 slur_ends = OneOrMore (oneOf (') .)')) |
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81 |
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82 long_decoration = Combine (oneOf ('! +') + CharsNotIn ('!+ \n') + oneOf ('! +')) |
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83 staccato = Literal ('.') + ~Literal ('|') # avoid dotted barline |
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84 decoration = staccato | userdef_symbol | long_decoration | slur_beg |
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85 decorations = OneOrMore (decoration) |
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86 staff_decos = decorations + ~oneOf (': | [|] []') |
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87 |
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88 tie = oneOf ('.- -') |
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89 rest = Optional (accidental) + rest_sym + note_length |
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90 pitch = Optional (accidental) + basenote + Optional (octave, 0) |
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91 note = pitch + note_length + Optional (tie) + Optional (slur_ends) |
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92 chord_note = Optional (decorations) + pitch + note_length + Optional (tie) + Optional (slur_ends) |
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93 chord_notes = OneOrMore (chord_note | rest | b1) |
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94 grace_notes = Forward () |
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95 chord = Suppress ('[') + OneOrMore (chord_notes | grace_notes) + Suppress (']') + note_length + Optional (tie) + Optional (slur_ends) |
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96 stem = note | chord | rest |
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97 |
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98 broken = Combine (OneOrMore ('<') | OneOrMore ('>')) |
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99 |
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100 tuplet_num = Suppress ('(') + number |
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101 tuplet_into = Suppress (':') + Optional (number, 0) |
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102 tuplet_notes = Suppress (':') + Optional (number, 0) |
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103 tuplet_start = tuplet_num + Optional (tuplet_into + Optional (tuplet_notes)) |
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104 |
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105 acciaccatura = Literal ('/') |
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106 grace_stem = Optional (decorations) + stem |
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107 grace_notes << Group (Suppress ('{') + Optional (acciaccatura) + OneOrMore (grace_stem) + Suppress ('}')) |
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108 |
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109 text_expression = Optional (oneOf ('^ _ < > @'), '^') + Optional (CharsNotIn ('"'), "") |
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110 chord_accidental = oneOf ('# b =') |
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111 triad = oneOf ('ma Maj maj M mi min m aug dim o + -') |
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112 seventh = oneOf ('7 ma7 Maj7 M7 maj7 mi7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5') |
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113 sixth = oneOf ('6 ma6 M6 m6 mi6') |
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114 ninth = oneOf ('9 ma9 M9 maj9 Maj9 mi9 m9') |
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115 elevn = oneOf ('11 ma11 M11 maj11 Maj11 mi m11') |
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116 suspended = oneOf ('sus sus2 sus4') |
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117 chord_degree = Combine (Optional (chord_accidental) + oneOf ('2 4 5 6 7 9 11 13')) |
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118 chord_kind = Optional (seventh | sixth | ninth | elevn | triad, '_') + Optional (suspended) |
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119 chord_root = oneOf ('C D E F G A B') + Optional (chord_accidental) |
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120 chord_bass = oneOf ('C D E F G A B') + Optional (chord_accidental) # needs a different parse action |
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121 chordsym = chord_root + chord_kind + ZeroOrMore (chord_degree) + Optional (Suppress ('/') + chord_bass) |
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122 chord_sym = chordsym + Optional (Literal ('(') + CharsNotIn (')') + Literal (')')).suppress () |
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123 chord_or_text = Suppress ('"') + (chord_sym ^ text_expression) + Suppress ('"') |
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124 |
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125 volta_nums = Optional ('[').suppress () + Combine (Word (nums) + ZeroOrMore (oneOf (', -') + Word (nums))) |
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126 volta_text = Literal ('[').suppress () + Regex (r'"[^"]+"') |
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127 volta = volta_nums | volta_text |
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128 invisible_barline = oneOf ('[|] []') |
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129 dashed_barline = oneOf (': .|') |
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130 double_rep = Literal (':') + FollowedBy (':') # otherwise ambiguity with dashed barline |
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131 voice_overlay = Combine (OneOrMore ('&')) |
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132 bare_volta = FollowedBy (Literal ('[') + Word (nums)) # no barline, but volta follows (volta is parsed in next measure) |
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133 bar_left = (oneOf ('[|: |: [: :') + Optional (volta)) | Optional ('|').suppress () + volta | oneOf ('| [|') |
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134 bars = ZeroOrMore (':') + ZeroOrMore ('[') + OneOrMore (oneOf ('| ]')) |
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135 bar_right = Optional (decorations) + (invisible_barline | double_rep | Combine (bars) | dashed_barline | voice_overlay | bare_volta) |
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136 |
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137 errors = ~bar_right + Optional (Word (' \n')) + CharsNotIn (':&|', exact=1) |
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138 linebreak = Literal ('$') | ~decorations + Literal ('!') # no need for I:linebreak !!! |
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139 element = inline_field | broken | staff_decos | stem | chord_or_text | grace_notes | tuplet_start | linebreak | errors |
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140 measure = Group (ZeroOrMore (inline_field) + Optional (bar_left) + ZeroOrMore (element) + bar_right + Optional (linebreak)) |
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141 noBarMeasure = Group (ZeroOrMore (inline_field) + Optional (bar_left) + OneOrMore (element) + Optional (linebreak)) |
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142 abc_voice = ZeroOrMore (measure) + Optional (noBarMeasure | Group (bar_left)) + ZeroOrMore (inline_field).suppress () + StringEnd () |
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143 |
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144 #---------------------------------------- |
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145 # ABC lyric lines (white space sensitive) |
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146 #---------------------------------------- |
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147 |
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148 skip_note = oneOf ('* - ~') |
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149 extend_note = Literal ('_') |
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150 measure_end = Literal ('|') |
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151 syl_chars = CharsNotIn ('*~-_| \t\n') |
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152 white = Word (' \t') |
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153 syllable = Combine (Optional ('~') + syl_chars + ZeroOrMore (Literal ('~') + syl_chars)) + Optional ('-') |
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154 lyr_elem = (syllable | skip_note | extend_note | measure_end) + Optional (white).suppress () |
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155 lyr_head = (Literal ('w:') + Optional (white)).suppress () |
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156 lyr_line = Group (lyr_head + ZeroOrMore (lyr_elem) + LineEnd ().suppress ()) |
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157 |
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158 #---------------------------------------------------------------- |
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159 # Parse actions to convert all relevant results into an abstract |
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160 # syntax tree where all tree nodes are instances of pObj |
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161 #---------------------------------------------------------------- |
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162 |
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163 ifield.setParseAction (lambda t: pObj ('field', t)) |
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164 grand_staff.setParseAction (lambda t: pObj ('grand', t, 1)) # 1 = keep ordered list of results |
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165 brace_gr.setParseAction (lambda t: pObj ('bracegr', t, 1)) |
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166 bracket_gr.setParseAction (lambda t: pObj ('bracketgr', t, 1)) |
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167 voice_gr.setParseAction (lambda t: pObj ('voicegr', t, 1)) |
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168 voiceId.setParseAction (lambda t: pObj ('vid', t, 1)) |
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169 abc_scoredef.setParseAction (lambda t: pObj ('score', t, 1)) |
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170 note_length.setParseAction (lambda t: pObj ('dur', (t[0], (t[2] << len (t[1])) >> 1))) |
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171 chordsym.setParseAction (lambda t: pObj ('chordsym', t)) |
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172 chord_root.setParseAction (lambda t: pObj ('root', t)) |
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173 chord_kind.setParseAction (lambda t: pObj ('kind', t)) |
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174 chord_degree.setParseAction (lambda t: pObj ('degree', t)) |
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175 chord_bass.setParseAction (lambda t: pObj ('bass', t)) |
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176 text_expression.setParseAction (lambda t: pObj ('text', t)) |
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177 inline_field.setParseAction (lambda t: pObj ('inline', t)) |
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178 grace_notes.setParseAction (doGrace) # (lambda t: pObj ('grace', t)) |
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179 acciaccatura.setParseAction (lambda t: pObj ('accia', t)) |
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180 note.setParseAction (noteActn) |
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181 chord_note.setParseAction (noteActn) |
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182 rest.setParseAction (restActn) |
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183 decorations.setParseAction (lambda t: pObj ('deco', t)) |
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184 slur_ends.setParseAction (lambda t: pObj ('slurs', t)) |
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185 chord.setParseAction (lambda t: pObj ('chord', t)) |
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186 tie.setParseAction (lambda t: pObj ('tie', t)) |
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187 pitch.setParseAction (lambda t: pObj ('pitch', t)) |
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188 bare_volta.setParseAction (lambda t: ['|']) # return barline that user forgot |
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189 dashed_barline.setParseAction (lambda t: ['.|']) |
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190 bar_right.setParseAction (lambda t: pObj ('rbar', t)) |
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191 bar_left.setParseAction (lambda t: pObj ('lbar', t)) |
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192 broken.setParseAction (lambda t: pObj ('broken', t)) |
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193 tuplet_start.setParseAction (lambda t: pObj ('tup', t)) |
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194 linebreak.setParseAction (lambda t: pObj ('linebrk', t)) |
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195 measure.setParseAction (doMaat) |
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196 noBarMeasure.setParseAction (doMaat) |
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197 syllable.setParseAction (lambda t: pObj ('syl', t)) |
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198 skip_note.setParseAction (lambda t: pObj ('skip', t)) |
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199 extend_note.setParseAction (lambda t: pObj ('ext', t)) |
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200 measure_end.setParseAction (lambda t: pObj ('sbar', t)) |
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201 b1.setParseAction (errorWarn) |
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202 errors.setParseAction (errorWarn) |
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203 lyr_block = OneOrMore (lyr_line).leaveWhitespace () # after leaveWhiteSpace no more parse actions can be set!! |
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204 |
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205 return abc_header, abc_voice, lyr_block, abc_scoredef |
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206 |
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207 class pObj (object): # every relevant parse result is converted into a pObj |
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208 def __init__ (s, name, t, seq=0): # t = list of nested parse results |
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209 s.name = name # name uniqueliy identifies this pObj |
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210 rest = [] # collect parse results that are not a pObj |
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211 attrs = {} # new attributes |
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212 for x in t: # nested pObj's become attributes of this pObj |
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213 if type (x) == pObj: |
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214 attrs [x.name] = attrs.get (x.name, []) + [x] |
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215 else: |
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216 rest.append (x) # collect non-pObj's (mostly literals) |
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217 for name, xs in attrs.items (): |
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218 if len (xs) == 1: xs = xs[0] # only list if more then one pObj |
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219 setattr (s, name, xs) # create the new attributes |
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220 s.t = rest # all nested non-pObj's (mostly literals) |
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221 s.objs = seq and t or [] # for nested ordered (lyric) pObj's |
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222 |
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223 def __repr__ (s): # make a nice string representation of a pObj |
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224 r = [] |
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225 for nm in dir (s): |
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226 if nm.startswith ('_'): continue # skip build in attributes |
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227 elif nm == 'name': continue # redundant |
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228 else: |
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229 x = getattr (s, nm) |
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230 if not x: continue # s.t may be empty (list of non-pObj's) |
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231 if type (x) == types.ListType: r.extend (x) |
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232 else: r.append (x) |
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233 xs = [] |
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234 for x in r: # recursively call __repr__ and convert all strings to latin-1 |
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235 if isinstance (x, types.StringTypes): |
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236 try: xs.append (x.encode ('latin-1')) |
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237 except: xs.append (repr (x)) # string -> no recursion |
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238 else: xs.append (repr (x)) # pObj -> recursive call |
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239 return '(' + s.name + ' ' +','.join (xs) + ')' |
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240 |
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241 global prevloc # global to remember previous match position of a note/rest |
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242 prevloc = 0 |
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243 def detectBeamBreak (line, loc, t): |
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244 global prevloc # location in string 'line' of previous note match |
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245 xs = line[prevloc:loc+1] # string between previous and current note match |
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246 xs = xs.lstrip () # first note match starts on a space! |
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247 prevloc = loc # location in string 'line' of current note match |
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248 b = pObj ('bbrk', [' ' in xs]) # space somewhere between two notes -> beambreak |
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249 t.insert (0, b) # insert beambreak as a nested parse result |
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250 |
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251 def noteActn (line, loc, t): # detect beambreak between previous and current note/rest |
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252 if 'y' in t[0].t: return [] # discard spacer |
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253 detectBeamBreak (line, loc, t) # adds beambreak to parse result t as side effect |
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254 return pObj ('note', t) |
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255 |
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256 def restActn (line, loc, t): # detect beambreak between previous and current note/rest |
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257 detectBeamBreak (line, loc, t) # adds beambreak to parse result t as side effect |
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258 return pObj ('rest', t) |
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259 |
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260 def errorWarn (line, loc, t): # warning for misplaced symbols and skip them |
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261 info ('**misplaced symbol: %s' % t[0], warn=0) |
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262 lineCopy = line [:] |
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263 if loc > 40: |
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264 lineCopy = line [loc - 40: loc + 40] |
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265 loc = 40 |
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266 info (lineCopy.replace ('\n', ' '), warn=0) |
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267 info (loc * '-' + '^', warn=0) |
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268 return [] |
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269 |
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270 #------------------------------------------------------------- |
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271 # transformations of a measure (called by parse action doMaat) |
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272 #------------------------------------------------------------- |
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273 |
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274 def simplify (a, b): # divide a and b by their greatest common divisor |
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275 x, y = a, b |
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276 while b: a, b = b, a % b |
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277 return x / a, y / a |
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278 |
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279 def doBroken (prev, brk, x): |
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280 if not prev: info ('error in broken rhythm: %s' % x); return # no changes |
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281 nom1, den1 = prev.dur.t # duration of first note/chord |
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282 nom2, den2 = x.dur.t # duration of second note/chord |
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283 if brk == '>': |
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284 nom1, den1 = simplify (3 * nom1, 2 * den1) |
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285 nom2, den2 = simplify (1 * nom2, 2 * den2) |
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286 elif brk == '<': |
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287 nom1, den1 = simplify (1 * nom1, 2 * den1) |
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288 nom2, den2 = simplify (3 * nom2, 2 * den2) |
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289 elif brk == '>>': |
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290 nom1, den1 = simplify (7 * nom1, 4 * den1) |
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291 nom2, den2 = simplify (1 * nom2, 4 * den2) |
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292 elif brk == '<<': |
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293 nom1, den1 = simplify (1 * nom1, 4 * den1) |
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294 nom2, den2 = simplify (7 * nom2, 4 * den2) |
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295 else: return # give up |
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296 prev.dur.t = nom1, den1 # change duration of previous note/chord |
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297 x.dur.t = nom2, den2 # and current note/chord |
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298 |
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299 def convertBroken (t): # convert broken rhythms to normal note durations |
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300 prev = None # the last note/chord before the broken symbol |
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301 brk = '' # the broken symbol |
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302 remove = [] # indexes to broken symbols (to be deleted) in measure |
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303 for i, x in enumerate (t): # scan all elements in measure |
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304 if x.name == 'note' or x.name == 'chord' or x.name == 'rest': |
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305 if brk: # a broken symbol was encountered before |
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306 doBroken (prev, brk, x) # change duration previous note/chord/rest and current one |
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307 brk = '' |
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308 else: |
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309 prev = x # remember the last note/chord/rest |
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310 elif x.name == 'broken': |
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311 brk = x.t[0] # remember the broken symbol (=string) |
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312 remove.insert (0, i) # and its index, highest index first |
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313 for i in remove: del t[i] # delete broken symbols from high to low |
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314 |
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315 def convertChord (t): # convert chord to sequence of notes in musicXml-style |
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316 ins = [] |
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317 for i, x in enumerate (t): |
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318 if x.name == 'chord': |
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319 if hasattr (x, 'rest') and not hasattr (x, 'note'): # chords containing only rests |
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320 if type (x.rest) == types.ListType: x.rest = x.rest[0] # more rests == one rest |
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321 ins.insert (0, (i, [x.rest])) # just output a single rest, no chord |
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322 continue |
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323 num1, den1 = x.dur.t # chord duration |
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324 tie = getattr (x, 'tie', None) # chord tie |
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325 slurs = getattr (x, 'slurs', []) # slur endings |
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326 deco = getattr (x, 'deco', []) # chord decorations |
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327 if type (x.note) != types.ListType: x.note = [x.note] # when chord has only one note ... |
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328 for j, nt in enumerate (x.note): # all notes of the chord |
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329 num2, den2 = nt.dur.t # note duration * chord duration |
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330 nt.dur.t = simplify (num1 * num2, den1 * den2) |
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331 if tie: nt.tie = tie # tie on all chord notes |
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332 if j == 0 and deco: nt.deco = deco # decorations only on first chord note |
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333 if j == 0 and slurs: nt.slurs = slurs # slur endings only on first chord note |
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334 if j > 0: nt.chord = pObj ('chord', [1]) # label all but first as chord notes |
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335 else: # remember all pitches of the chord in the first note |
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336 pitches = [n.pitch for n in x.note] # to implement conversion of erroneous ties to slurs |
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337 nt.pitches = pObj ('pitches', pitches) |
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338 ins.insert (0, (i, x.note)) # high index first |
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339 for i, notes in ins: # insert from high to low |
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340 for nt in reversed (notes): |
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341 t.insert (i+1, nt) # insert chord notes after chord |
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342 del t[i] # remove chord itself |
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343 |
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344 def doMaat (t): # t is a Group() result -> the measure is in t[0] |
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345 convertBroken (t[0]) # remove all broken rhythms and convert to normal durations |
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346 convertChord (t[0]) # replace chords by note sequences in musicXML style |
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347 |
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348 def doGrace (t): # t is a Group() result -> the grace sequence is in t[0] |
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349 convertChord (t[0]) # a grace sequence may have chords |
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350 for nt in t[0]: # flag all notes within the grace sequence |
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351 if nt.name == 'note': nt.grace = 1 # set grace attribute |
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352 return t[0] # ungroup the parse result |
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353 #-------------------- |
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354 # musicXML generation |
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355 #---------------------------------- |
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356 |
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357 def compChordTab (): # avoid some typing work: returns mapping constant {ABC chordsyms -> musicXML kind} |
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358 maj, min, aug, dim, dom, ch7, ch6, ch9, ch11, hd = 'major minor augmented diminished dominant -seventh -sixth -ninth -11th half-diminished'.split () |
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359 triad = zip ('ma Maj maj M mi min m aug dim o + -'.split (), [maj, maj, maj, maj, min, min, min, aug, dim, dim, aug, min]) |
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360 seventh = zip ('7 ma7 Maj7 M7 maj7 mi7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5'.split (), |
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361 [dom, maj+ch7, maj+ch7, maj+ch7, maj+ch7, min+ch7, min+ch7, dim+ch7, dim+ch7, min+ch7, aug+ch7, aug+ch7, hd, hd]) |
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362 sixth = zip ('6 ma6 M6 mi6 m6'.split (), [maj+ch6, maj+ch6, maj+ch6, min+ch6, min+ch6]) |
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363 ninth = zip ('9 ma9 M9 maj9 Maj9 mi9 m9'.split (), [dom+ch9, maj+ch9, maj+ch9, maj+ch9, maj+ch9, min+ch9, min+ch9]) |
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364 elevn = zip ('11 ma11 M11 maj11 Maj11 mi11 m11'.split (), [dom+ch11, maj+ch11, maj+ch11, maj+ch11, maj+ch11, min+ch11, min+ch11]) |
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365 return dict (triad + seventh + sixth + ninth + elevn) |
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366 |
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367 def addElem (parent, child, level): |
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368 indent = 2 |
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369 chldrn = parent.getchildren () |
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370 if chldrn: |
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371 chldrn[-1].tail += indent * ' ' |
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372 else: |
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373 parent.text = '\n' + level * indent * ' ' |
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374 parent.append (child) |
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375 child.tail = '\n' + (level-1) * indent * ' ' |
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376 |
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377 def addElemT (parent, tag, text, level): |
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378 e = E.Element (tag) |
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379 e.text = text |
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380 addElem (parent, e, level) |
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381 |
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382 def mkTmod (tmnum, tmden, lev): |
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383 tmod = E.Element ('time-modification') |
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384 addElemT (tmod, 'actual-notes', str (tmnum), lev + 1) |
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385 addElemT (tmod, 'normal-notes', str (tmden), lev + 1) |
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386 return tmod |
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387 |
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388 def addDirection (parent, elem, lev, gstaff, subelms=[], placement='below', cue_on=0): |
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389 dir = E.Element ('direction', placement=placement) |
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390 addElem (parent, dir, lev) |
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391 typ = E.Element ('direction-type') |
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392 addElem (dir, typ, lev + 1) |
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393 addElem (typ, elem, lev + 2) |
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394 for subel in subelms: addElem (elem, subel, lev + 3) |
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395 if cue_on: addElem (dir, E.Element ('level', size='cue'), lev + 1) |
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396 if gstaff: addElemT (dir, 'staff', str (gstaff), lev + 1) |
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397 return dir |
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398 |
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399 def removeElems (root_elem, parent_str, elem_str): |
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400 for p in root_elem.findall (parent_str): |
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401 e = p.find (elem_str) |
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402 if e != None: p.remove (e) |
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403 |
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404 def alignLyr (vce, lyrs): |
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405 empty_el = pObj ('leeg', '*') |
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406 for k, lyr in enumerate (lyrs): # lyr = one full line of lyrics |
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407 i = 0 # syl counter |
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408 for msre in vce: # reiterate the voice block for each lyrics line |
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409 for elem in msre: |
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410 if elem.name == 'note' and not (hasattr (elem, 'chord') or hasattr (elem, 'grace')): |
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411 if i >= len (lyr): lr = empty_el |
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412 else: lr = lyr [i] |
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413 elem.objs.append (lr) |
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414 if lr.name != 'sbar': i += 1 |
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415 if i < len (lyr) and lyr[i].name == 'sbar': i += 1 |
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416 return vce |
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417 |
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418 slur_move = re.compile (r'(?<![!+])([}><][<>]?)(\)+)') # (?<!...) means: not preceeded by ... |
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419 mm_rest = re.compile (r'([XZ])(\d+)') |
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420 bar_space = re.compile (r'([:|][ |\[\]]+[:|])') # barlines with spaces |
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421 def fixSlurs (x): # repair slurs when after broken sign or grace-close |
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422 def f (mo): # replace a multi-measure rest by single measure rests |
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423 n = int (mo.group (2)) |
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424 return (n * (mo.group (1) + '|')) [:-1] |
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425 def g (mo): # squash spaces in barline expressions |
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426 return mo.group (1).replace (' ','') |
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427 x = mm_rest.sub (f, x) |
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428 x = bar_space.sub (g, x) |
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429 return slur_move.sub (r'\2\1', x) |
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430 |
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431 def splitHeaderVoices (abctext): |
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432 r1 = re.compile (r'%.*$') # comments |
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433 r2 = re.compile (r'^[A-Z]:.*$') # information field |
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434 r3 = re.compile (r'^%%(?=[^%])') # directive: ^%% folowed by not a % |
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435 xs, nx = [], 0 |
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436 for x in abctext.splitlines (): |
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437 x = x.strip () |
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438 if not x and nx == 1: break # end of tune |
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439 x = r3.sub ('I:', x) # replace %% -> I: |
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440 x2 = r1.sub ('', x) # remove comment |
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441 while x2.endswith ('*'): x2 = x2[:-1] # remove old syntax for right adjusting |
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442 if not x2: continue # empty line |
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443 if x2[:2] == 'W:': continue # skip W: lyrics |
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444 if x2[:2] == 'w:' and xs[-1][-1] == '\\': |
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445 xs[-1] = xs[-1][:-1] # ignore line continuation before lyrics line |
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446 ro = r2.match (x2) |
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447 if ro: # field -> inline_field, escape all ']' |
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448 if x2[-1] == '\\': x2 = x2[:-1] # ignore continuation after field line |
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449 x2 = '[' + x2.replace (']',r'\]') + ']' |
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450 if x2[:2] == '+:': # new style continuation |
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451 xs[-1] += x2[2:] |
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452 elif xs and xs[-1][-1] == '\\': # old style continuation |
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453 xs[-1] = xs[-1][:-1] + x2 |
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454 else: # skip lines (except I:) until first X: |
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455 if x.startswith ('X:'): |
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456 if nx == 1: break # second tune starts without an empty line !! |
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457 nx = 1 # start of first tune |
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458 if nx == 1 or x.startswith ('I:'): |
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459 xs.append (x2) |
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460 if xs and xs[-1][-1] == '\\': # nothing left to continue with, remove last continuation |
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461 xs[-1] = xs[-1][:-1] |
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462 |
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463 r1 = re.compile (r'\[[A-Z]:(\\.|[^]\\])*\]') # inline field with escaped ']' |
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464 r2 = re.compile (r'\[K:') # start of K: field |
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465 r3 = re.compile (r'\[V:|\[I:MIDI') # start of V: field or midi field |
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466 fields, voices, b = [], [], 0 |
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467 for i, x in enumerate (xs): |
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468 n = len (r1.sub ('', x)) # remove all inline fields |
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469 if n > 0: b = 1; break # real abc present -> end of header |
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470 if r2.search (x): # start of K: field |
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471 fields.append (x) |
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472 i += 1; b = 1 |
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473 break # first K: field -> end of header |
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474 if r3.search (x): # start of V: field |
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475 voices.append (x) |
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476 else: |
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477 fields.append (x) |
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478 if b: voices += xs[i:] |
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479 else: voices += [] # tune has only header fields |
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480 header = '\n'.join (fields) |
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481 abctext = '\n'.join (voices) |
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482 |
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483 xs = abctext.split ('[V:') |
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484 if len (xs) == 1: abctext = '[V:1]' + abctext # abc has no voice defs at all |
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485 elif r1.sub ('', xs[0]).strip (): # remove inline fields from starting text, if any |
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486 abctext = '[V:1]' + abctext # abc with voices has no V: at start |
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487 |
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488 r1 = re.compile (r'\[V:\s*(\S*)[ \]]') # get voice id from V: field (skip spaces betwee V: and ID) |
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489 vmap = {} # {voice id -> [voice abc string]} |
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490 vorder = {} # mark document order of voices |
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491 xs = re.split (r'(\[V:[^]]*\])', abctext) # split on every V-field (V-fields included in split result list) |
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492 if len (xs) == 1: raise (Exception ('bugs ...')) |
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493 else: |
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494 header += xs[0] # xs[0] = text between K: and first V:, normally empty, but we put it in the header |
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495 i = 1 |
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496 while i < len (xs): # xs = ['', V-field, voice abc, V-field, voice abc, ...] |
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497 vce, abc = xs[i:i+2] |
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498 id = r1.search (vce).group (1) # get voice ID from V-field |
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499 vmap[id] = vmap.get (id, []) + [vce, abc] # collect abc-text for each voice id (include V-fields) |
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500 if id not in vorder: vorder [id] = i # store document order of first occurrence of voice id |
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501 i += 2 |
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502 voices = [] |
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503 ixs = sorted ([(i, id) for id, i in vorder.items ()]) # restore document order of voices |
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504 for i, id in ixs: |
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505 voice = ''.join (vmap [id]) # all abc of one voice |
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506 xs = re.split (r'((?:\nw:[^\n]*)+)', voice) # split voice into voice-lyrics blocks |
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507 if len (xs) == 1: # no lyrics |
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508 voice = fixSlurs (xs[0]) # put slurs right after the notes |
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509 vce_lyr = [[voice, '']] |
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510 else: |
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511 if xs[-1].strip () != '': xs.append ('w:') # last block had no lyrics |
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512 vce_lyr = [] # [[voice, lyrics],[],...] list of voice-lyrics blocks |
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513 for k in range (0, len (xs) - 1, 2): |
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514 voice, lyrics = xs [k:k+2] |
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515 voice = fixSlurs (voice) # put slurs right after the notes |
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516 vce_lyr.append ((voice, lyrics)) |
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517 voices.append ((id, vce_lyr)) |
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518 return header, voices |
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519 |
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520 def mergeMeasure (m1, m2, slur_offset, voice_offset, is_grand=0): |
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521 slurs = m2.findall ('note/notations/slur') |
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522 for slr in slurs: |
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523 slrnum = int (slr.get ('number')) + slur_offset |
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524 slr.set ('number', str (slrnum)) # make unique slurnums in m2 |
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525 vs = m2.findall ('note/voice') # set all voice number elements in m2 |
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526 for v in vs: v.text = str (voice_offset + int (v.text)) |
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527 ls = m1.findall ('note/lyric') # all lyric elements in m1 |
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528 lnum_max = max ([int (l.get ('number')) for l in ls] + [0]) # highest lyric number in m1 |
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529 ls = m2.findall ('note/lyric') # update lyric elements in m2 |
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530 for el in ls: |
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531 n = int (el.get ('number')) |
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532 el.set ('number', str (n + lnum_max)) |
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533 ns = m1.findall ('note') # determine the total duration of m1, subtract all backups |
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534 dur1 = sum (int (n.find ('duration').text) for n in ns |
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535 if n.find ('grace') == None and n.find ('chord') == None) |
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536 dur1 -= sum (int (b.text) for b in m1.findall ('backup/duration')) |
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537 nns, es = 0, [] # nns = number of real notes in m2 |
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538 for e in m2.getchildren (): # scan all elements of m2 |
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539 if e.tag == 'attributes': |
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540 if not is_grand: continue # no attribute merging for normal voices |
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541 else: nns += 1 # but we do merge (clef) attributes for a grand staff |
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542 if e.tag == 'print': continue |
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543 if e.tag == 'note' and (mxm.gmwr or e.find ('rest') == None): nns += 1 |
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544 es.append (e) # buffer elements to be merged |
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545 if nns > 0: # only merge if m2 contains any real notes |
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546 if dur1 > 0: # only insert backup if duration of m1 > 0 |
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547 b = E.Element ('backup') |
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548 addElem (m1, b, level=3) |
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549 addElemT (b, 'duration', str (dur1), level=4) |
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550 for e in es: addElem (m1, e, level=3) # merge buffered elements of m2 |
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551 |
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552 def mergePartList (parts, is_grand=0): # merge parts, make grand staff when is_grand true |
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553 |
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554 def delAttrs (part): # for the time being we only keep clef attributes |
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555 xs = [(m, e) for m in part.findall ('measure') for e in m.findall ('attributes')] |
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556 for m, e in xs: |
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557 for c in e.getchildren (): |
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558 if c.tag == 'clef': continue # keep clef attribute |
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559 e.remove (c) # delete all other attrinutes for higher staff numbers |
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560 if len (e.getchildren ()) == 0: m.remove (e) # remove empty attributes element |
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561 |
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562 p1 = parts[0] |
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563 for p2 in parts[1:]: |
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564 if is_grand: delAttrs (p2) # delete all attributes except clef |
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565 for i in range (len (p1) + 1, len (p2) + 1): # second part longer than first one |
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566 maat = E.Element ('measure', number = str(i)) # append empty measures |
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567 addElem (p1, maat, 2) |
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568 slurs = p1.findall ('measure/note/notations/slur') # find highest slur num in first part |
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569 slur_max = max ([int (slr.get ('number')) for slr in slurs] + [0]) |
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570 vs = p1.findall ('measure/note/voice') # all voice number elements in first part |
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571 vnum_max = max ([int (v.text) for v in vs] + [0]) # highest voice number in first part |
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572 for im, m2 in enumerate (p2.findall ('measure')): # merge all measures of p2 into p1 |
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573 mergeMeasure (p1[im], m2, slur_max, vnum_max, is_grand) # may change slur numbers in p1 |
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574 return p1 |
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575 |
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576 def mergeParts (parts, vids, staves, is_grand=0): |
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577 if not staves: return parts, vids # no voice mapping |
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578 partsnew, vidsnew = [], [] |
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579 for voice_ids in staves: |
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580 pixs = [] |
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581 for vid in voice_ids: |
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582 if vid in vids: pixs.append (vids.index (vid)) |
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583 else: info ('score partname %s does not exist' % vid) |
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584 if pixs: |
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585 xparts = [parts[pix] for pix in pixs] |
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586 if len (xparts) > 1: mergedpart = mergePartList (xparts, is_grand) |
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587 else: mergedpart = xparts [0] |
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588 partsnew.append (mergedpart) |
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589 vidsnew.append (vids [pixs[0]]) |
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590 return partsnew, vidsnew |
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591 |
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592 def mergePartMeasure (part, msre, ovrlaynum): # merge msre into last measure of part, only for overlays |
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593 slurs = part.findall ('measure/note/notations/slur') # find highest slur num in part |
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594 slur_max = max ([int (slr.get ('number')) for slr in slurs] + [0]) |
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595 last_msre = part.getchildren ()[-1] # last measure in part |
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596 mergeMeasure (last_msre, msre, slur_max, ovrlaynum) # voice offset = s.overlayVNum |
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597 |
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598 def setFristVoiceNameFromGroup (vids, vdefs): # vids = [vid], vdef = {vid -> (name, subname, voicedef)} |
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599 vids = [v for v in vids if v in vdefs] # only consider defined voices |
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600 if not vids: return vdefs |
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601 vid0 = vids [0] # first vid of the group |
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602 _, _, vdef0 = vdefs [vid0] # keep de voice definition (vdef0) when renaming vid0 |
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603 for vid in vids: |
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604 nm, snm, vdef = vdefs [vid] |
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605 if nm: # first non empty name encountered will become |
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606 vdefs [vid0] = nm, snm, vdef0 # name of merged group == name of first voice in group (vid0) |
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607 break |
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608 return vdefs |
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609 |
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610 def mkGrand (p, vdefs): # transform parse subtree into list needed for s.grands |
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611 xs = [] |
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612 for i, x in enumerate (p.objs): # changing p.objs [i] alters the tree. changing x has no effect on the tree. |
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613 if type (x) == pObj: |
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614 us = mkGrand (x, vdefs) # first get transformation results of current pObj |
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615 if x.name == 'grand': # x.objs contains ordered list of nested parse results within x |
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616 vids = [y.objs[0] for y in x.objs[1:]] # the voice ids in the grand staff |
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617 nms = [vdefs [u][0] for u in vids if u in vdefs] # the names of those voices |
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618 accept = sum ([1 for nm in nms if nm]) == 1 # accept as grand staff when only one of the voices has a name |
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619 if accept or us[0] == '{*': |
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620 xs.append (us[1:]) # append voice ids as a list (discard first item '{' or '{*') |
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621 vdefs = setFristVoiceNameFromGroup (vids, vdefs) |
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622 p.objs [i] = x.objs[1] # replace voices by first one in the grand group (this modifies the parse tree) |
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623 else: |
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624 xs.extend (us[1:]) # extend current result with all voice ids of rejected grand staff |
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625 else: xs.extend (us) # extend current result with transformed pObj |
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626 else: xs.append (p.t[0]) # append the non pObj (== voice id string) |
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627 return xs |
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628 |
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629 def mkStaves (p, vdefs): # transform parse tree into list needed for s.staves |
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630 xs = [] |
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631 for i, x in enumerate (p.objs): # structure and comments identical to mkGrand |
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632 if type (x) == pObj: |
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633 us = mkStaves (x, vdefs) |
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634 if x.name == 'voicegr': |
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635 xs.append (us) |
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636 vids = [y.objs[0] for y in x.objs] |
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637 vdefs = setFristVoiceNameFromGroup (vids, vdefs) |
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638 p.objs [i] = x.objs[0] |
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639 else: |
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640 xs.extend (us) |
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641 else: |
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642 if p.t[0] not in '{*': xs.append (p.t[0]) |
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643 return xs |
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644 |
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645 def mkGroups (p): # transform parse tree into list needed for s.groups |
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646 xs = [] |
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647 for x in p.objs: |
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648 if type (x) == pObj: |
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649 if x.name == 'vid': xs.extend (mkGroups (x)) |
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650 elif x.name == 'bracketgr': xs.extend (['['] + mkGroups (x) + [']']) |
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651 elif x.name == 'bracegr': xs.extend (['{'] + mkGroups (x) + ['}']) |
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652 else: xs.extend (mkGroups (x) + ['}']) # x.name == 'grand' == rejected grand staff |
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653 else: |
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654 xs.append (p.t[0]) |
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655 return xs |
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656 |
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657 class MusicXml: |
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658 typeMap = {1:'long', 2:'breve', 4:'whole', 8:'half', 16:'quarter', 32:'eighth', 64:'16th', 128:'32nd', 256:'64th'} |
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659 dynaMap = {'p':1,'pp':1,'ppp':1,'f':1,'ff':1,'fff':1,'mp':1,'mf':1,'sfz':1} |
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660 wedgeMap = {'>(':1, '>)':1, '<(':1,'<)':1,'crescendo(':1,'crescendo)':1,'diminuendo(':1,'diminuendo)':1} |
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661 artMap = {'.':'staccato','>':'accent','accent':'accent','wedge':'staccatissimo','tenuto':'tenuto'} |
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662 ornMap = {'trill':'trill-mark','T':'trill-mark','turn':'turn','uppermordent':'inverted-mordent','lowermordent':'mordent', |
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663 'pralltriller':'inverted-mordent','mordent':'mordent','turn':'turn','invertedturn':'inverted-turn'} |
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664 tecMap = {'upbow':'up-bow', 'downbow':'down-bow'} |
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665 capoMap = {'fine':('Fine','fine','yes'), 'D.S.':('D.S.','dalsegno','segno'), 'D.C.':('D.C.','dacapo','yes'),'dacapo':('D.C.','dacapo','yes'), |
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666 'dacoda':('To Coda','tocoda','coda'), 'coda':('coda','coda','coda'), 'segno':('segno','segno','segno')} |
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667 sharpness = ['Fb', 'Cb','Gb','Db','Ab','Eb','Bb','F','C','G','D','A', 'E', 'B', 'F#','C#','G#','D#','A#','E#','B#'] |
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668 offTab = {'maj':8, 'm':11, 'min':11, 'mix':9, 'dor':10, 'phr':12, 'lyd':7, 'loc':13} |
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669 modTab = {'maj':'major', 'm':'minor', 'min':'minor', 'mix':'mixolydian', 'dor':'dorian', 'phr':'phrygian', 'lyd':'lydian', 'loc':'locrian'} |
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670 clefMap = { 'alto1':('C','1'), 'alto2':('C','2'), 'alto':('C','3'), 'alto4':('C','4'), 'tenor':('C','4'), |
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671 'bass3':('F','3'), 'bass':('F','4'), 'treble':('G','2'), 'perc':('percussion',''), 'none':('','')} |
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672 clefLineMap = {'B':'treble', 'G':'alto1', 'E':'alto2', 'C':'alto', 'A':'tenor', 'F':'bass3', 'D':'bass'} |
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673 alterTab = {'=':'0', '_':'-1', '__':'-2', '^':'1', '^^':'2'} |
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674 accTab = {'=':'natural', '_':'flat', '__':'flat-flat', '^':'sharp', '^^':'sharp-sharp'} |
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675 chordTab = compChordTab () |
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676 uSyms = {'~':'roll', 'H':'fermata','L':'>','M':'lowermordent','O':'coda', |
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677 'P':'uppermordent','S':'segno','T':'trill','u':'upbow','v':'downbow'} |
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678 pageFmtDef = [1.764,297,210,10,10,10,10] # the MuseScore page formatting defaults for A4 |
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679 creditTab = {'O':'origin', 'A':'area', 'Z':'transcription', 'N':'notes', 'G':'group', 'H':'history', 'R':'rhythm', |
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680 'B':'book', 'D':'discography', 'F':'fileurl', 'S':'source'} |
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681 |
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682 def __init__ (s): |
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683 s.pageFmtCmd = [] # set by command line option -p |
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684 s.gmwr = 0 # set by command line option -r |
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685 s.reset () |
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686 def reset (s): |
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687 s.divisions = 120 # xml duration of 1/4 note |
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688 s.ties = {} # {abc pitch tuple -> alteration} for all open ties |
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689 s.slurstack = [] # stack of open slur numbers |
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690 s.slurbeg = 0 # number of slurs to start (when slurs are detected at element-level) |
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691 s.tmnum = 0 # time modification, numerator |
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692 s.tmden = 0 # time modification, denominator |
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693 s.ntup = 0 # number of tuplet notes remaining |
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694 s.tupnts = [] # all tuplet modifiers with corresp. durations: [(duration, modifier), ...] |
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695 s.irrtup = 0 # 1 if an irregular tuplet |
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696 s.ntype = '' # the normal-type of a tuplet (== duration type of a normal tuplet note) |
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697 s.unitL = (1, 8) # default unit length |
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698 s.unitLcur = (1, 8) # unit length of current voice |
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699 s.keyAlts = {} # alterations implied by key |
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700 s.msreAlts = {} # temporarily alterations |
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701 s.curVolta = '' # open volta bracket |
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702 s.slurstack = [] # stack of open slur numbers |
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703 s.title = '' # title of music |
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704 s.creator = {} # {creator-type -> creator string} |
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705 s.credits = {} # {credit-type -> string} |
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706 s.lyrdash = {} # {lyric number -> 1 if dash between syllables} |
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707 s.usrSyms = s.uSyms # user defined symbols |
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708 s.prevNote = None # xml element of previous beamed note to correct beams (start, continue) |
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709 s.grcbbrk = False # remember any bbrk in a grace sequence |
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710 s.linebrk = 0 # 1 if next measure should start with a line break |
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711 s.bardecos = [] # barline decorations (coda, segno) that go into the next measure (MuseScore deficiency!) |
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712 s.nextdecos = [] # decorations for the next note |
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713 s.prevmsre = None # the previous measure |
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714 s.supports_tag = 0 # issue supports-tag in xml file when abc uses explicit linebreaks |
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715 s.staveDefs = [] # collected %%staves or %%score instructions from score |
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716 s.staves = [] # staves = [[voice names to be merged into one stave]] |
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717 s.groups = [] # list of merged part names with interspersed {[ and }] |
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718 s.grands = [] # [[vid1, vid2, ..], ...] voiceIds to be merged in a grand staff |
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719 s.gStaffNums = {} # map each voice id in a grand staff to a staff number |
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720 s.gNstaves = {} # map each voice id in a grand staff to total number of staves |
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721 s.pageFmtAbc = [] # formatting from abc directives |
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722 s.mdur = (4,4) # duration of one measure |
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723 s.gtrans = 0 # octave transposition (by clef) |
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724 s.midprg = ['', ''] # MIDI channel nr, program nr for the current part |
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725 s.vid = '' # abc voice id for the current part |
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726 s.gcue_on = 0 # insert <cue/> tag in each note |
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727 |
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728 def mkPitch (s, acc, note, oct, lev): |
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729 nUp = note.upper () |
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730 octnum = (4 if nUp == note else 5) + int (oct) + s.gtrans |
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731 pitch = E.Element ('pitch') |
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732 addElemT (pitch, 'step', nUp, lev + 1) |
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733 alter = '' |
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734 if (note, oct) in s.ties: |
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735 tied_alter, _, vnum = s.ties [(note,oct)] # vnum = overlay voice number when tie started |
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736 if vnum == s.overlayVnum: alter = tied_alter # tied note in the same overlay -> same alteration |
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737 elif acc: |
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738 s.msreAlts [(nUp, octnum)] = s.alterTab [acc] |
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739 alter = s.alterTab [acc] # explicit notated alteration |
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740 elif (nUp, octnum) in s.msreAlts: alter = s.msreAlts [(nUp, octnum)] # temporary alteration |
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741 elif nUp in s.keyAlts: alter = s.keyAlts [nUp] # alteration implied by the key |
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742 if alter: addElemT (pitch, 'alter', alter, lev + 1) |
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743 addElemT (pitch, 'octave', str (octnum), lev + 1) |
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744 return pitch, alter |
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745 |
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746 def mkNote (s, n, lev): |
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747 nnum, nden = n.dur.t # abc dutation of note |
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748 if nden == 0: nden = 1 # occurs with illegal ABC like: "A2 1". Now interpreted as A2/1 |
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749 num, den = simplify (nnum * s.unitLcur[0], nden * s.unitLcur[1]) # normalised with unit length |
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750 if den > 64: # limit denominator to 64 |
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751 num = int (round (64 * float (num) / den)) # scale note to num/64 |
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752 num, den = simplify (max ([num, 1]), 64) # smallest num == 1 |
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753 info ('duration too small: rounded to %d/%d' % (num, den)) |
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754 if n.name == 'rest' and ('Z' in n.t or 'X' in n.t): |
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755 num, den = s.mdur # duration of one measure |
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756 dvs = (4 * s.divisions * num) / den # divisions is xml-duration of 1/4 |
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757 rdvs = dvs # real duration (will be 0 for chord/grace) |
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758 num, den = simplify (num, den * 4) # scale by 1/4 for s.typeMap |
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759 ndot = 0 |
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760 if num == 3: ndot = 1; den = den / 2 # look for dotted notes |
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761 if num == 7: ndot = 2; den = den / 4 |
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762 nt = E.Element ('note') |
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763 if getattr (n, 'grace', ''): # a grace note (and possibly a chord note) |
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764 grace = E.Element ('grace') |
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765 if s.acciatura: grace.set ('slash', 'yes'); s.acciatura = 0 |
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766 addElem (nt, grace, lev + 1) |
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767 dvs = rdvs = 0 # no (real) duration for a grace note |
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768 if den <= 16: den = 32 # not longer than 1/8 for a grace note |
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769 if s.gcue_on: # insert cue tag |
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770 cue = E.Element ('cue') |
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771 addElem (nt, cue, lev + 1) |
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772 if getattr (n, 'chord', ''): # a chord note |
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773 chord = E.Element ('chord') |
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774 addElem (nt, chord, lev + 1) |
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775 rdvs = 0 # chord notes no real duration |
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776 if rdvs and s.ntup >= 0: s.ntup -= 1 # count tuplet notes only on non-chord, non grace notes (rdvs > 0) |
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777 if den not in s.typeMap: # take the nearest smaller legal duration |
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778 info ('illegal duration %d/%d' % (nnum, nden)) |
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779 den = min (x for x in s.typeMap.keys () if x > den) |
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780 xmltype = str (s.typeMap [den]) # xml needs the note type in addition to duration |
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781 acc, step, oct = '', 'C', '0' # abc-notated pitch elements (accidental, pitch step, octave) |
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782 alter = '' # xml alteration |
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783 if n.name == 'rest': |
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784 if 'x' in n.t or 'X' in n.t: nt.set ('print-object', 'no') |
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785 rest = E.Element ('rest') |
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786 addElem (nt, rest, lev + 1) |
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787 else: |
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788 p = n.pitch.t # get pitch elements from parsed tokens |
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789 if len (p) == 3: acc, step, oct = p |
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790 else: step, oct = p |
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791 pitch, alter = s.mkPitch (acc, step, oct, lev + 1) |
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792 addElem (nt, pitch, lev + 1) |
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793 if s.ntup >= 0: # modify duration for tuplet notes |
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794 dvs = dvs * s.tmden / s.tmnum |
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795 if dvs: addElemT (nt, 'duration', str (dvs), lev + 1) # skip when dvs == 0, requirement of musicXML |
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796 inst = E.Element ('instrument', id='I-'+s.vid) # instrument id for midi |
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797 if s.midprg != ['', '']: addElem (nt, inst, lev + 1) # only add when %%midi was present |
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798 addElemT (nt, 'voice', '1', lev + 1) # default voice, for merging later |
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799 addElemT (nt, 'type', xmltype, lev + 1) # add note type |
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800 for i in range (ndot): # add dots |
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801 dot = E.Element ('dot') |
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802 addElem (nt, dot, lev + 1) |
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803 ptup = (step, oct) # pitch tuple without alteration to check for ties |
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804 tstop = ptup in s.ties and s.ties[ptup][2] == s.overlayVnum # open tie on this pitch tuple in this overlay |
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805 if acc and not tstop: addElemT (nt, 'accidental', s.accTab [acc], lev + 1) # only add accidental if note not tied |
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806 tupnotation = '' # start/stop notation element for tuplets |
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807 if s.ntup >= 0: # add time modification element for tuplet notes |
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808 tmod = mkTmod (s.tmnum, s.tmden, lev + 1) |
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809 addElem (nt, tmod, lev + 1) |
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810 if s.ntup > 0 and not s.tupnts: tupnotation = 'start' |
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811 s.tupnts.append ((rdvs, tmod)) # remember all tuplet modifiers with corresp. durations |
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812 if s.ntup == 0: # last tuplet note (and possible chord notes there after) |
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813 if rdvs: tupnotation = 'stop' # only insert notation in the real note (rdvs > 0) |
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814 s.cmpNormType (rdvs, lev + 1) # compute and/or add normal-type elements (-> s.ntype) |
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815 gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice |
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816 if gstaff: addElemT (nt, 'staff', str (gstaff), lev + 1) |
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817 s.doBeams (n, nt, den, lev + 1) |
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818 s.doNotations (n, ptup, alter, tupnotation, tstop, nt, lev + 1) |
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819 if n.objs: s.doLyr (n, nt, lev + 1) |
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820 return nt |
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821 |
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822 def cmpNormType (s, rdvs, lev): # compute the normal-type of a tuplet (only needed for Finale) |
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823 if rdvs: # the last real tuplet note (chord notes can still follow afterwards with rdvs == 0) |
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824 durs = [dur for dur, tmod in s.tupnts if dur > 0] |
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825 ndur = sum (durs) / s.tmnum # duration of the normal type |
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826 s.irrtup = any ((dur != ndur) for dur in durs) # irregular tuplet |
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827 tix = 16 * s.divisions / ndur # index in typeMap of normal-type duration |
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828 if tix in s.typeMap: |
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829 s.ntype = str (s.typeMap [tix]) # the normal-type |
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830 else: s.irrtup = 0 # give up, no normal type possible |
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|
831 if s.irrtup: # only add normal-type for irregular tuplets |
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832 for dur, tmod in s.tupnts: # add normal-type to all modifiers |
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833 addElemT (tmod, 'normal-type', s.ntype, lev + 1) |
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|
834 s.tupnts = [] # reset the tuplet buffer |
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|
835 |
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|
836 def doNotations (s, n, ptup, alter, tupnotation, tstop, nt, lev): |
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|
837 slurs = getattr (n, 'slurs', 0) # slur ends |
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838 pts = getattr (n, 'pitches', []) # all chord notes available in the first note |
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839 if pts: # make list of pitches in chord: [(pitch, octave), ..] |
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840 if type (pts.pitch) == pObj: pts = [pts.pitch] # chord with one note |
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841 else: pts = [tuple (p.t[-2:]) for p in pts.pitch] # normal chord |
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842 for pt, (tie_alter, nts, vnum) in s.ties.items (): # scan all open ties and delete illegal ones |
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843 if vnum != s.overlayVnum: continue # tie belongs to different overlay |
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844 if pts and pt in pts: continue # pitch tuple of tie exists in chord |
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845 if getattr (n, 'chord', 0): continue # skip chord notes |
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846 if pt == ptup: continue # skip correct single note tie |
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847 if getattr (n, 'grace', 0): continue # skip grace notes |
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parents:
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848 info ('tie between different pitches: %s%s converted to slur' % pt) |
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849 del s.ties [pt] # remove the note from pending ties |
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850 e = [t for t in nts.findall ('tied') if t.get ('type') == 'start'][0] # get the tie start element |
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851 e.tag = 'slur' # convert tie into slur |
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852 slurnum = len (s.slurstack) + 1 |
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|
853 s.slurstack.append (slurnum) |
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854 e.set ('number', str (slurnum)) |
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855 if slurs: slurs.t.append (')') # close slur on this note |
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856 else: slurs = pObj ('slurs', [')']) |
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857 tstart = getattr (n, 'tie', 0) # start a new tie |
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858 decos = s.nextdecos # decorations encountered so far |
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859 ndeco = getattr (n, 'deco', 0) # possible decorations of notes of a chord |
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860 if ndeco: # add decorations, translate used defined symbols |
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861 decos += [s.usrSyms.get (d, d).strip ('!+') for d in ndeco.t] |
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|
862 s.nextdecos = [] |
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863 if not (tstop or tstart or decos or slurs or s.slurbeg or tupnotation): return nt |
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864 nots = E.Element ('notations') # notation element needed |
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|
865 if tupnotation: # add tuplet type |
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866 tup = E.Element ('tuplet', type=tupnotation) |
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867 if tupnotation == 'start': tup.set ('bracket', 'yes') |
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868 addElem (nots, tup, lev + 1) |
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869 if tstop: # stop tie |
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parents:
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870 del s.ties[ptup] # remove flag |
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|
871 tie = E.Element ('tied', type='stop') |
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872 addElem (nots, tie, lev + 1) |
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|
873 if tstart: # start a tie |
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874 s.ties[ptup] = (alter, nots, s.overlayVnum) # remember pitch tuple to stop tie and apply same alteration |
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875 tie = E.Element ('tied', type='start') |
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876 addElem (nots, tie, lev + 1) |
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877 if decos: # look for slurs and decorations |
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parents:
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878 arts = [] # collect articulations |
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879 for d in decos: # do all slurs and decos |
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880 if d == '(': s.slurbeg += 1; continue # slurs made in while loop at the end |
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881 elif d == 'fermata' or d == 'H': |
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882 ntn = E.Element ('fermata', type='upright') |
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883 elif d == 'arpeggio': |
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884 ntn = E.Element ('arpeggiate', number='1') |
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885 else: arts.append (d); continue |
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|
886 addElem (nots, ntn, lev + 1) |
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|
887 if arts: # do only note articulations and collect staff annotations in xmldecos |
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|
888 rest = s.doArticulations (nots, arts, lev + 1) |
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|
889 if rest: info ('unhandled note decorations: %s' % rest) |
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diff
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|
890 while s.slurbeg > 0: |
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diff
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891 s.slurbeg -= 1 |
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892 slurnum = len (s.slurstack) + 1 |
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893 s.slurstack.append (slurnum) |
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|
894 ntn = E.Element ('slur', number='%d' % slurnum, type='start') |
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895 addElem (nots, ntn, lev + 1) |
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diff
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|
896 if slurs: # these are only slur endings |
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897 for d in slurs.t: |
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898 if not s.slurstack: break # no more open slurs |
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899 slurnum = s.slurstack.pop () |
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900 slur = E.Element ('slur', number='%d' % slurnum, type='stop') |
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901 addElem (nots, slur, lev + 1) |
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902 if nots.getchildren() != []: # only add notations if not empty |
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parents:
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|
903 addElem (nt, nots, lev) |
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|
904 |
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parents:
diff
changeset
|
905 def doArticulations (s, nots, arts, lev): |
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parents:
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906 decos = [] |
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907 for a in arts: |
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908 if a in s.artMap: |
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|
909 art = E.Element ('articulations') |
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|
910 addElem (nots, art, lev) |
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parents:
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changeset
|
911 addElem (art, E.Element (s.artMap[a]), lev + 1) |
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parents:
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912 elif a in s.ornMap: |
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|
913 orn = E.Element ('ornaments') |
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|
914 addElem (nots, orn, lev) |
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diff
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|
915 addElem (orn, E.Element (s.ornMap[a]), lev + 1) |
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diff
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|
916 elif a in s.tecMap: |
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parents:
diff
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|
917 tec = E.Element ('technical') |
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|
918 addElem (nots, tec, lev) |
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919 addElem (tec, E.Element (s.tecMap[a]), lev + 1) |
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920 else: decos.append (a) # return staff annotations |
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parents:
diff
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|
921 return decos |
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|
922 |
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|
923 def doLyr (s, n, nt, lev): |
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|
924 for i, lyrobj in enumerate (n.objs): |
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parents:
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925 if lyrobj.name != 'syl': continue |
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926 dash = len (lyrobj.t) == 2 |
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|
927 if dash: |
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928 if i in s.lyrdash: type = 'middle' |
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|
929 else: type = 'begin'; s.lyrdash [i] = 1 |
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930 else: |
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931 if i in s.lyrdash: type = 'end'; del s.lyrdash [i] |
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932 else: type = 'single' |
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changeset
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933 lyrel = E.Element ('lyric', number = str (i + 1)) |
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|
934 addElem (nt, lyrel, lev) |
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|
935 addElemT (lyrel, 'syllabic', type, lev + 1) |
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936 addElemT (lyrel, 'text', lyrobj.t[0].replace ('~',' '), lev + 1) |
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|
937 |
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changeset
|
938 def doBeams (s, n, nt, den, lev): |
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939 if hasattr (n, 'chord') or hasattr (n, 'grace'): |
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940 s.grcbbrk = s.grcbbrk or n.bbrk.t[0] # remember if there was any bbrk in or before a grace sequence |
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941 return |
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942 bbrk = s.grcbbrk or n.bbrk.t[0] or den < 32 |
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changeset
|
943 s.grcbbrk = False |
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parents:
diff
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|
944 if not s.prevNote: pbm = None |
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parents:
diff
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|
945 else: pbm = s.prevNote.find ('beam') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
946 bm = E.Element ('beam', number='1') |
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Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
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|
947 bm.text = 'begin' |
4fab69a1027d
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
948 if pbm != None: |
4fab69a1027d
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
949 if bbrk: |
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Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
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|
950 if pbm.text == 'begin': |
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Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
951 s.prevNote.remove (pbm) |
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Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
952 elif pbm.text == 'continue': |
4fab69a1027d
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
953 pbm.text = 'end' |
4fab69a1027d
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
954 s.prevNote = None |
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Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
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|
955 else: bm.text = 'continue' |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
956 if den >= 32 and n.name != 'rest': |
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Add MusicXML conversion to tune pages.
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parents:
diff
changeset
|
957 addElem (nt, bm, lev) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
958 s.prevNote = nt |
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Jim Hague <jim.hague@acm.org>
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diff
changeset
|
959 |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
960 def stopBeams (s): |
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parents:
diff
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|
961 if not s.prevNote: return |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
962 pbm = s.prevNote.find ('beam') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
963 if pbm != None: |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
964 if pbm.text == 'begin': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
965 s.prevNote.remove (pbm) |
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parents:
diff
changeset
|
966 elif pbm.text == 'continue': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
967 pbm.text = 'end' |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
968 s.prevNote = None |
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parents:
diff
changeset
|
969 |
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parents:
diff
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|
970 def staffDecos (s, decos, maat, lev, bardecos=0): |
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parents:
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971 gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice |
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parents:
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|
972 for d in decos: |
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973 d = s.usrSyms.get (d, d).strip ('!+') # try to replace user defined symbol |
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parents:
diff
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|
974 if d in s.dynaMap: |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
975 dynel = E.Element ('dynamics') |
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parents:
diff
changeset
|
976 addDirection (maat, dynel, lev, gstaff, [E.Element (d)], 'below', s.gcue_on) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
977 elif d in s.wedgeMap: # wedge |
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parents:
diff
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|
978 if ')' in d: type = 'stop' |
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parents:
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|
979 else: type = 'crescendo' if '<' in d or 'crescendo' in d else 'diminuendo' |
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parents:
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980 addDirection (maat, E.Element ('wedge', type=type), lev, gstaff) |
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parents:
diff
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|
981 elif d in ['coda', 'segno']: |
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parents:
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changeset
|
982 if bardecos: s.bardecos.append (d) # postpone to begin next measure |
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parents:
diff
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|
983 else: |
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Jim Hague <jim.hague@acm.org>
parents:
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|
984 text, attr, val = s.capoMap [d] |
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parents:
diff
changeset
|
985 dir = addDirection (maat, E.Element (text), lev, gstaff, placement='above') |
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parents:
diff
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|
986 sound = E.Element ('sound'); sound.set (attr, val) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
987 addElem (dir, sound, lev + 1) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
988 elif d in s.capoMap: |
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parents:
diff
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|
989 text, attr, val = s.capoMap [d] |
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|
990 words = E.Element ('words'); words.text = text |
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parents:
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|
991 dir = addDirection (maat, words, lev, gstaff, placement='above') |
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parents:
diff
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|
992 sound = E.Element ('sound'); sound.set (attr, val) |
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parents:
diff
changeset
|
993 addElem (dir, sound, lev + 1) |
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parents:
diff
changeset
|
994 elif d == '(': s.slurbeg += 1 # start slur on next note |
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parents:
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|
995 else: s.nextdecos.append (d) # keep annotation for the next note |
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parents:
diff
changeset
|
996 |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
997 def doFields (s, maat, fieldmap, lev): |
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parents:
diff
changeset
|
998 def doClef (): |
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parents:
diff
changeset
|
999 clef, gtrans = 0, 0 |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1000 clefn = re.search (r'alto1|alto2|alto4|alto|tenor|bass3|bass|treble|perc|none', field) |
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parents:
diff
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|
1001 clefm = re.search (r"(?:^m=| m=|middle=)([A-Ga-g])([,']*)", field) |
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diff
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|
1002 trans_oct2 = re.search (r'octave=([-+]\d)', field) |
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parents:
diff
changeset
|
1003 trans = re.search (r'(?:^t=| t=|transpose=)(-?[\d]+)', field) |
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|
1004 trans_oct = re.search (r'([+-^_])(8|15)', field) |
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diff
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|
1005 cue_onoff = re.search (r'cue=(on|off)', field) |
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diff
changeset
|
1006 if clefn: |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1007 clef = clefn.group () |
4fab69a1027d
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1008 if clefm: |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1009 note, octstr = clefm.groups () |
4fab69a1027d
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1010 nUp = note.upper () |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1011 octnum = (4 if nUp == note else 5) + (len (octstr) if "'" in octstr else -len (octstr)) |
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1012 gtrans = (3 if nUp in 'AFD' else 4) - octnum |
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parents:
diff
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|
1013 if clef not in ['perc', 'none']: clef = s.clefLineMap [nUp] |
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parents:
diff
changeset
|
1014 if clef: |
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parents:
diff
changeset
|
1015 s.gtrans = gtrans # only change global tranposition when a clef is really defined |
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Jim Hague <jim.hague@acm.org>
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diff
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|
1016 sign, line = s.clefMap [clef] |
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parents:
diff
changeset
|
1017 if not sign: return |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1018 c = E.Element ('clef') |
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diff
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|
1019 gstaff = s.gStaffNums.get (s.vid, 0) # the current staff number |
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1020 if gstaff: c.set ('number', str (gstaff)) # only add staff number when defined |
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parents:
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|
1021 addElemT (c, 'sign', sign, lev + 2) |
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diff
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|
1022 if line: addElemT (c, 'line', line, lev + 2) |
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parents:
diff
changeset
|
1023 if trans_oct: |
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parents:
diff
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|
1024 n = trans_oct.group (1) in '-_' and -1 or 1 |
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|
1025 if trans_oct.group (2) == '15': n *= 2 # 8 => 1 octave, 15 => 2 octaves |
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parents:
diff
changeset
|
1026 addElemT (c, 'clef-octave-change', str (n), lev + 2) # transpose print out |
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parents:
diff
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|
1027 if trans_oct.group (1) in '+-': s.gtrans += n # also transpose all pitches with one octave |
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parents:
diff
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|
1028 if trans_oct2: |
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parents:
diff
changeset
|
1029 n = int (trans_oct2.group (1)) |
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parents:
diff
changeset
|
1030 s.gtrans += n |
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parents:
diff
changeset
|
1031 atts.append ((7, c)) |
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parents:
diff
changeset
|
1032 if trans != None: # add transposition in semitones |
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parents:
diff
changeset
|
1033 e = E.Element ('transpose') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1034 addElemT (e, 'chromatic', str (trans.group (1)), lev + 3) |
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parents:
diff
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|
1035 atts.append ((9, e)) |
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parents:
diff
changeset
|
1036 if cue_onoff: s.gcue_on = cue_onoff.group (1) == 'on' |
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parents:
diff
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|
1037 atts = [] # collect xml attribute elements [(order-number, xml-element), ..] |
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parents:
diff
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|
1038 for ftype, field in fieldmap.items (): |
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parents:
diff
changeset
|
1039 if not field: # skip empty fields |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1040 continue |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1041 if ftype == 'Div': # not an abc field, but handled as if |
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parents:
diff
changeset
|
1042 d = E.Element ('divisions') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1043 d.text = field |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1044 atts.append ((1, d)) |
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parents:
diff
changeset
|
1045 elif ftype == 'gstaff': # make grand staff |
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parents:
diff
changeset
|
1046 e = E.Element ('staves') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1047 e.text = str (field) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1048 atts.append ((4, e)) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1049 elif ftype == 'M': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1050 if field == 'none': continue |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1051 if field == 'C': field = '4/4' |
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parents:
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|
1052 elif field == 'C|': field = '2/2' |
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parents:
diff
changeset
|
1053 t = E.Element ('time') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1054 if '/' not in field: |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1055 info ('M:%s not recognized, 4/4 assumed' % field) |
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parents:
diff
changeset
|
1056 field = '4/4' |
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parents:
diff
changeset
|
1057 beats, btype = field.split ('/')[:2] |
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parents:
diff
changeset
|
1058 try: s.mdur = simplify (eval (beats), int (btype)) # measure duration for Z and X rests (eval allows M:2+3/4) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1059 except: |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1060 info ('error in M:%s, 4/4 assumed' % field) |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1061 s.mdur = (4,4) |
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parents:
diff
changeset
|
1062 beats, btype = '4','4' |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1063 addElemT (t, 'beats', beats, lev + 2) |
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parents:
diff
changeset
|
1064 addElemT (t, 'beat-type', btype, lev + 2) |
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parents:
diff
changeset
|
1065 atts.append ((3, t)) |
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1066 elif ftype == 'K': |
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1067 accs = ['F','C','G','D','A','E','B'] # == s.sharpness [7:14] |
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1068 mode = '' |
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1069 key = re.match (r'\s*([A-G][#b]?)\s*([a-zA-Z]*)', field) |
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1070 alts = re.search (r'\s((\s?[=^_][A-Ga-g])+)', ' ' + field) # avoid matching middle=G and m=G |
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1071 if key: |
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1072 key, mode = key.groups () |
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1073 mode = mode.lower ()[:3] # only first three chars, no case |
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1074 if mode not in s.offTab: mode = 'maj' |
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1075 fifths = s.sharpness.index (key) - s.offTab [mode] |
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|
1076 if fifths >= 0: s.keyAlts = dict (zip (accs[:fifths], fifths * ['1'])) |
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1077 else: s.keyAlts = dict (zip (accs[fifths:], -fifths * ['-1'])) |
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1078 elif field.startswith ('none') or field == '': # the default key |
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1079 fifths = 0 |
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1080 mode = 'maj' |
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|
1081 if alts: |
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1082 alts = re.findall (r'[=^_][A-Ga-g]', alts.group(1)) # list of explicit alterations |
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1083 alts = [(x[1], s.alterTab [x[0]]) for x in alts] # [step, alter] |
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1084 for step, alter in alts: # correct permanent alterations for this key |
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1085 s.keyAlts [step.upper ()] = alter |
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1086 k = E.Element ('key') |
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|
1087 koctave = [] |
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1088 lowerCaseSteps = [step.upper () for step, alter in alts if step.islower ()] |
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1089 for step, alter in s.keyAlts.items (): |
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1090 if alter == '0': # skip neutrals |
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1091 del s.keyAlts [step.upper ()] # otherwise you get neutral signs on normal notes |
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1092 continue |
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1093 addElemT (k, 'key-step', step.upper (), lev + 2) |
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1094 addElemT (k, 'key-alter', alter, lev + 2) |
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1095 koctave.append ('5' if step in lowerCaseSteps else '4') |
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1096 if koctave: # only key signature if not empty |
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|
1097 for oct in koctave: |
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1098 e = E.Element ('key-octave', number=oct) |
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1099 addElem (k, e, lev + 2) |
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1100 atts.append ((2, k)) |
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1101 elif mode: |
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1102 k = E.Element ('key') |
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1103 addElemT (k, 'fifths', str (fifths), lev + 2) |
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1104 addElemT (k, 'mode', s.modTab [mode], lev + 2) |
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1105 atts.append ((2, k)) |
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1106 doClef () |
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1107 elif ftype == 'L': |
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1108 s.unitLcur = map (int, field.split ('/')) |
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1109 if len (s.unitLcur) == 1 or s.unitLcur[1] not in s.typeMap: |
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1110 info ('L:%s is not allowed, 1/8 assumed' % field) |
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1111 s.unitLcur = 1,8 |
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1112 elif ftype == 'V': |
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|
1113 doClef () |
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1114 elif ftype == 'I': |
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1115 xs = s.doField_I (ftype, field) |
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1116 if xs and len (xs) == 1: # when "%%MIDI transpose" matched insert 'attribute/transpose/chromatic' |
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1117 e = E.Element ('transpose') |
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1118 addElemT (e, 'chromatic', xs[0], lev + 2) # xs[0] == signed number string given after transpose |
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1119 atts.append ((9, e)) |
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1120 if xs and len (xs) == 2: # repeated occurrence of [I:MIDI] -> instrument change |
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1121 midchan, midprog = xs |
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1122 snd = E.Element ('sound') |
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1123 mi = E.Element ('midi-instrument', id='I-' + s.vid) |
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1124 addElem (maat, snd, lev) |
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|
1125 addElem (snd, mi, lev + 1) |
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1126 if midchan: addElemT (mi, 'midi-channel', midchan, lev + 2) |
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1127 if midprog: addElemT (mi, 'midi-program', str (int (midprog) + 1), lev + 2) # compatible with abc2midi |
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|
1128 |
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|
1129 elif ftype == 'Q': |
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|
1130 s.doTempo (maat, field, lev) |
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1131 elif ftype in 'TCOAZNGHRBDFSU': |
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parents:
diff
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1132 info ('**illegal header field in body: %s, content: %s' % (ftype, field)) |
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1133 else: |
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Jim Hague <jim.hague@acm.org>
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1134 info ('unhandled field: %s, content: %s' % (ftype, field)) |
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|
1135 |
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|
1136 if atts: |
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|
1137 att = E.Element ('attributes') # insert sub elements in the order required by musicXML |
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diff
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|
1138 addElem (maat, att, lev) |
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|
1139 for _, att_elem in sorted (atts): # ordering ! |
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|
1140 addElem (att, att_elem, lev + 1) |
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diff
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|
1141 |
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1142 def doTempo (s, maat, field, lev): |
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1143 gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice |
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|
1144 t = re.search (r'(\d)/(\d\d?)\s*=\s*([.\d]+)|([.\d]+)', field) |
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|
1145 if not t: return |
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parents:
diff
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|
1146 try: |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1147 if t.group (4): |
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Jim Hague <jim.hague@acm.org>
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diff
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|
1148 num, den, upm = 1, s.unitLcur[1] , float (t.group (4)) |
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|
1149 else: |
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|
1150 num, den, upm = int (t.group (1)), int (t.group (2)), float (t.group (3)) |
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|
1151 except: return # float or int conversion failure |
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|
1152 if num != 1: info ('in Q: numerator > 1 in %d/%d not supported' % (num, den)) |
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|
1153 qpm = 4. * num * upm / den |
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|
1154 metro = E.Element ('metronome') |
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|
1155 u = E.Element ('beat-unit'); u.text = s.typeMap [4 * den] |
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1156 pm = E.Element ('per-minute'); pm.text = '%.2f' % upm |
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1157 dir = addDirection (maat, metro, lev, gstaff, [u, pm], placement='above') |
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diff
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|
1158 sound = E.Element ('sound'); sound.set ('tempo', '%.2f' % qpm) |
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|
1159 addElem (dir, sound, lev + 1) |
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diff
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|
1160 |
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|
1161 def mkBarline (s, maat, loc, lev, style='', dir='', ending=''): |
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|
1162 b = E.Element ('barline', location=loc) |
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|
1163 if style: |
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|
1164 addElemT (b, 'bar-style', style, lev + 1) |
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|
1165 if s.curVolta: # first stop a current volta |
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1166 end = E.Element ('ending', number=s.curVolta, type='stop') |
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|
1167 s.curVolta = '' |
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|
1168 if loc == 'left': # stop should always go to a right barline |
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|
1169 bp = E.Element ('barline', location='right') |
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|
1170 addElem (bp, end, lev + 1) |
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|
1171 addElem (s.prevmsre, bp, lev) # prevmsre has no right barline! (ending would have stopped there) |
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1172 else: |
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|
1173 addElem (b, end, lev + 1) |
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|
1174 if ending: |
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1175 ending = ending.replace ('-',',') # MusicXML only accepts comma's |
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1176 endtxt = '' |
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1177 if ending.startswith ('"'): # ending is a quoted string |
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|
1178 endtxt = ending.strip ('"') |
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1179 ending = '33' # any number that is not likely to occur elsewhere |
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1180 end = E.Element ('ending', number=ending, type='start') |
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1181 if endtxt: end.text = endtxt # text appears in score in stead of number attribute |
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|
1182 addElem (b, end, lev + 1) |
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|
1183 s.curVolta = ending |
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|
1184 if dir: |
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1185 r = E.Element ('repeat', direction=dir) |
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1186 addElem (b, r, lev + 1) |
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parents:
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1187 addElem (maat, b, lev) |
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diff
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|
1188 |
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|
1189 def doChordSym (s, maat, sym, lev): |
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|
1190 alterMap = {'#':'1','=':'0','b':'-1'} |
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|
1191 rnt = sym.root.t |
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|
1192 chord = E.Element ('harmony') |
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parents:
diff
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|
1193 addElem (maat, chord, lev) |
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parents:
diff
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|
1194 root = E.Element ('root') |
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diff
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|
1195 addElem (chord, root, lev + 1) |
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|
1196 addElemT (root, 'root-step', rnt[0], lev + 2) |
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1197 if len (rnt) == 2: addElemT (root, 'root-alter', alterMap [rnt[1]], lev + 2) |
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1198 kind = s.chordTab.get (sym.kind.t[0], 'major') |
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parents:
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1199 addElemT (chord, 'kind', kind, lev + 1) |
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1200 degs = getattr (sym, 'degree', '') |
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1201 if degs: |
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Jim Hague <jim.hague@acm.org>
parents:
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|
1202 if type (degs) != types.ListType: degs = [degs] |
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Jim Hague <jim.hague@acm.org>
parents:
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|
1203 for deg in degs: |
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parents:
diff
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|
1204 deg = deg.t[0] |
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parents:
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|
1205 if deg[0] == '#': alter = '1'; deg = deg[1:] |
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1206 elif deg[0] == 'b': alter = '-1'; deg = deg[1:] |
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1207 else: alter = '0'; deg = deg |
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|
1208 degree = E.Element ('degree') |
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Jim Hague <jim.hague@acm.org>
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diff
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|
1209 addElem (chord, degree, lev + 1) |
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parents:
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1210 addElemT (degree, 'degree-value', deg, lev + 2) |
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1211 addElemT (degree, 'degree-alter', alter, lev + 2) |
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1212 addElemT (degree, 'degree-type', 'add', lev + 2) |
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1213 |
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1214 def mkMeasure (s, i, t, lev, fieldmap={}): |
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1215 s.msreAlts = {} |
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|
1216 s.ntup = -1 |
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|
1217 s.acciatura = 0 # next grace element gets acciatura attribute |
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1218 overlay = 0 |
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1219 maat = E.Element ('measure', number = str(i)) |
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|
1220 if fieldmap: s.doFields (maat, fieldmap, lev + 1) |
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parents:
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|
1221 if s.linebrk: # there was a line break in the previous measure |
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parents:
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|
1222 e = E.Element ('print') |
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|
1223 e.set ('new-system', 'yes') |
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|
1224 addElem (maat, e, lev + 1) |
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|
1225 s.linebrk = 0 |
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Jim Hague <jim.hague@acm.org>
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|
1226 if s.bardecos: # output coda and segno attached to the previous right barline |
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parents:
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|
1227 s.staffDecos (s.bardecos, maat, lev + 1) |
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parents:
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|
1228 s.bardecos = [] |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1229 for it, x in enumerate (t): |
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parents:
diff
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|
1230 if x.name == 'note' or x.name == 'rest': |
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parents:
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|
1231 note = s.mkNote (x, lev + 1) |
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parents:
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|
1232 addElem (maat, note, lev + 1) |
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diff
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|
1233 elif x.name == 'lbar': |
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parents:
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|
1234 bar = x.t[0] |
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|
1235 if bar == '|': pass # skip redundant bar |
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|
1236 elif ':' in bar: # forward repeat |
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diff
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|
1237 volta = x.t[1] if len (x.t) == 2 else '' |
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|
1238 s.mkBarline (maat, 'left', lev + 1, style='heavy-light', dir='forward', ending=volta) |
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|
1239 else: # bar must be a volta number |
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diff
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|
1240 s.mkBarline (maat, 'left', lev + 1, ending=bar) |
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parents:
diff
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|
1241 elif x.name == 'rbar': |
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parents:
diff
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|
1242 if hasattr (x, 'deco'): # MuseScore does not support this -> emergency solution |
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parents:
diff
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|
1243 s.staffDecos (x.deco.t, maat, lev + 1, bardecos=1) # coda, segno -> next measure |
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|
1244 bar = x.t[0] |
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parents:
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|
1245 if bar == '.|': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1246 s.mkBarline (maat, 'right', lev + 1, style='dotted') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1247 elif ':' in bar: # backward repeat |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1248 s.mkBarline (maat, 'right', lev + 1, style='light-heavy', dir='backward') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1249 elif bar == '||': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1250 s.mkBarline (maat, 'right', lev + 1, style='light-light') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1251 elif bar == '[|]' or bar == '[]': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1252 s.mkBarline (maat, 'right', lev + 1, style='none') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1253 elif '[' in bar or ']' in bar: |
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parents:
diff
changeset
|
1254 s.mkBarline (maat, 'right', lev + 1, style='light-heavy') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1255 elif bar[0] == '&': overlay = 1 |
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parents:
diff
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|
1256 elif x.name == 'tup': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1257 if len (x.t) == 3: n, into, nts = x.t |
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parents:
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|
1258 else: n, into, nts = x.t[0], 0, 0 |
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parents:
diff
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|
1259 if into == 0: into = 3 if n in [2,4,8] else 2 |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1260 if nts == 0: nts = n |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1261 s.tmnum, s.tmden, s.ntup = n, into, nts |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1262 elif x.name == 'deco': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1263 s.staffDecos (x.t, maat, lev + 1) # output staff decos, postpone note decos to next note |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1264 elif x.name == 'text': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1265 pos, text = x.t[:2] |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1266 place = 'above' if pos == '^' else 'below' |
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Jim Hague <jim.hague@acm.org>
parents:
diff
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|
1267 words = E.Element ('words') |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1268 words.text = text |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1269 gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice |
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parents:
diff
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|
1270 addDirection (maat, words, lev + 1, gstaff, placement=place) |
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parents:
diff
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|
1271 elif x.name == 'inline': |
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Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1272 fieldtype, fieldval = x.t[:2] |
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parents:
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|
1273 s.doFields (maat, {fieldtype:fieldval}, lev + 1) |
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parents:
diff
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1274 elif x.name == 'accia': s.acciatura = 1 |
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parents:
diff
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|
1275 elif x.name == 'linebrk': |
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parents:
diff
changeset
|
1276 s.supports_tag = 1 |
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|
1277 if it > 0 and t[it -1].name == 'lbar': # we are at start of measure |
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|
1278 e = E.Element ('print') # output linebreak now |
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|
1279 e.set ('new-system', 'yes') |
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|
1280 addElem (maat, e, lev + 1) |
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|
1281 else: |
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1282 s.linebrk = 1 # output linebreak at start of next measure |
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|
1283 elif x.name == 'chordsym': |
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|
1284 s.doChordSym (maat, x, lev + 1) |
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|
1285 s.stopBeams () |
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|
1286 s.prevmsre = maat |
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parents:
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|
1287 return maat, overlay |
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diff
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|
1288 |
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diff
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|
1289 def mkPart (s, maten, id, lev, attrs, nstaves): |
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|
1290 s.slurstack = [] |
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|
1291 s.unitLcur = s.unitL # set the default unit length at begin of each voice |
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|
1292 s.curVolta = '' |
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parents:
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|
1293 s.lyrdash = {} |
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|
1294 s.linebrk = 0 |
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|
1295 s.midprg = ['', ''] # MIDI channel nr, program nr for the current part |
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|
1296 s.gcue_on = 0 # reset cue note marker for each new voice |
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|
1297 s.gtrans = 0 # reset octave transposition (by clef) |
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|
1298 part = E.Element ('part', id=id) |
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|
1299 s.overlayVnum = 0 # overlay voice number to relate ties that extend from one overlayed measure to the next |
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1300 gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice |
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1301 attrs_cpy = attrs.copy () # don't change attrs itself in next line |
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|
1302 if gstaff == 1: attrs_cpy ['gstaff'] = nstaves # make a grand staff |
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|
1303 msre, overlay = s.mkMeasure (1, maten[0], lev + 1, attrs_cpy) |
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|
1304 addElem (part, msre, lev + 1) |
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|
1305 for i, maat in enumerate (maten[1:]): |
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1306 s.overlayVnum = s.overlayVnum + 1 if overlay else 0 |
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parents:
diff
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|
1307 msre, next_overlay = s.mkMeasure (i+2, maat, lev + 1) |
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parents:
diff
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|
1308 if overlay: mergePartMeasure (part, msre, s.overlayVnum) |
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|
1309 else: addElem (part, msre, lev + 1) |
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1310 overlay = next_overlay |
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diff
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1311 return part |
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diff
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|
1312 |
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parents:
diff
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|
1313 def mkScorePart (s, id, vids_p, partAttr, lev): |
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1314 naam, subnm, midprg = partAttr [id] |
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parents:
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1315 sp = E.Element ('score-part', id='P'+id) |
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1316 nm = E.Element ('part-name') |
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1317 nm.text = naam |
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parents:
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|
1318 addElem (sp, nm, lev + 1) |
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parents:
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|
1319 snm = E.Element ('part-abbreviation') |
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|
1320 snm.text = subnm |
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|
1321 if subnm: addElem (sp, snm, lev + 1) # only add if subname was given |
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1322 if s.staves: instr_vids = [vids for vids in s.staves if vids[0] == id][0] |
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1323 else: instr_vids = [id] |
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1324 inst = [] |
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|
1325 for id in instr_vids: |
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1326 if id not in partAttr: continue # error in %%score -> instr_vids may have non existing id's |
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1327 naam, subnm, midprg = partAttr [id] |
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1328 midchan, midprog = midprg |
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1329 if not midchan and not midprog: continue # only add if program nr or channel was given |
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1330 si = E.Element ('score-instrument', id='I-'+id) |
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1331 addElemT (si, 'instrument-name', naam, lev + 2) |
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1332 mi = E.Element ('midi-instrument', id='I-'+id) |
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1333 if midchan: addElemT (mi, 'midi-channel', midchan, lev + 2) |
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1334 if midprog: addElemT (mi, 'midi-program', str (int (midprog) + 1), lev + 2) # compatible with abc2midi |
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1335 inst.append ((si, mi)) |
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1336 for si, mi in inst: addElem (sp, si, lev + 1) |
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|
1337 for si, mi in inst: addElem (sp, mi, lev + 1) |
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parents:
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|
1338 return sp, len (inst) |
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|
1339 |
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1340 def mkPartlist (s, vids, partAttr, lev): |
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|
1341 def addPartGroup (sym, num): |
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1342 pg = E.Element ('part-group', number=str (num), type='start') |
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1343 addElem (partlist, pg, lev + 1) |
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1344 addElemT (pg, 'group-symbol', sym, lev + 2) |
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1345 addElemT (pg, 'group-barline', 'yes', lev + 2) |
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1346 partlist = E.Element ('part-list') |
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1347 g_num = 0 # xml group number |
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1348 nInstrs = [] # number of instruments in each part |
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1349 for g in (s.groups or vids): # brace/bracket or abc_voice_id |
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1350 if g == '[': g_num += 1; addPartGroup ('bracket', g_num) |
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1351 elif g == '{': g_num += 1; addPartGroup ('brace', g_num) |
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1352 elif g in '}]': |
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1353 pg = E.Element ('part-group', number=str (g_num), type='stop') |
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1354 addElem (partlist, pg, lev + 1) |
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1355 g_num -= 1 |
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1356 else: # g = abc_voice_id |
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1357 if g not in vids: continue # error in %%score |
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1358 sp, nInst = s.mkScorePart (g, vids, partAttr, lev + 1) |
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1359 addElem (partlist, sp, lev + 1) |
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|
1360 nInstrs.append (nInst) |
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|
1361 return partlist, nInstrs |
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diff
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|
1362 |
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diff
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|
1363 def doField_I (s, type, x): |
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1364 def readPfmt (x, n): # read ABC page formatting constant |
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1365 if not s.pageFmtAbc: s.pageFmtAbc = s.pageFmtDef # set the default values on first change |
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|
1366 ro = re.search (r'[^.\d]*([\d.]+)\s*(cm|in|pt)?', x) # float followed by unit |
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|
1367 if ro: |
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|
1368 x, unit = ro.groups () # unit == None when not present |
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|
1369 u = {'cm':10., 'in':25.4, 'pt':25.4/72} [unit] if unit else 1. |
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|
1370 s.pageFmtAbc [n] = float (x) * u # convert ABC values to millimeters |
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1371 else: info ('error in page format: %s' % x) |
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diff
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|
1372 |
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1373 if x.startswith ('score') or x.startswith ('staves'): |
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1374 s.staveDefs += [x] # collect all voice mappings |
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1375 elif x.startswith ('staffwidth'): info ('skipped I-field: %s' % x) |
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1376 elif x.startswith ('staff'): # set new staff number of the current voice |
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|
1377 r1 = re.search (r'staff *([+-]?)(\d)', x) |
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diff
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|
1378 if r1: |
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parents:
diff
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|
1379 sign = r1.group (1) |
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diff
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|
1380 num = int (r1.group (2)) |
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1381 gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice |
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diff
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|
1382 if sign: # relative staff number |
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diff
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|
1383 num = (sign == '-') and gstaff - num or gstaff + num |
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|
1384 else: # absolute abc staff number |
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|
1385 try: vabc = s.staves [num - 1][0] # vid of (first voice of) abc-staff num |
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1386 except: vabc = 0; info ('abc staff %s does not exist' % num) |
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1387 num = s.gStaffNumsOrg.get (vabc, 0) # xml staff number of abc-staff num |
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diff
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1388 if gstaff and num > 0 and num <= s.gNstaves [s.vid]: |
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|
1389 s.gStaffNums [s.vid] = num |
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|
1390 else: info ('could not relocate to staff: %s' % r1.group ()) |
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1391 else: info ('not a valid staff redirection: %s' % x) |
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1392 elif x.startswith ('scale'): readPfmt (x, 0) |
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|
1393 elif x.startswith ('pageheight'): readPfmt (x, 1) |
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|
1394 elif x.startswith ('pagewidth'): readPfmt (x, 2) |
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1395 elif x.startswith ('leftmargin'): readPfmt (x, 3) |
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1396 elif x.startswith ('rightmargin'): readPfmt (x, 4) |
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1397 elif x.startswith ('topmargin'): readPfmt (x, 5) |
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|
1398 elif x.startswith ('botmargin'): readPfmt (x, 6) |
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1399 elif x.startswith ('MIDI'): |
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1400 r1 = re.search (r'program *(\d*) +(\d+)', x) |
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1401 r2 = re.search (r'channel\D*(\d+)', x) |
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1402 if r1: ch, prg = r1.groups () # channel nr or '', program nr |
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1403 if r2: ch, prg = r2.group (1), '' # channel nr only |
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|
1404 if r1 or r2: |
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1405 if s.midprg[1] == '': # no instrument defined yet |
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|
1406 s.midprg[1] = prg |
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1407 if ch: s.midprg[0] = ch |
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1408 elif ch and s.midprg[0] == '': # no channel defined yet |
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|
1409 s.midprg[0] = ch |
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1410 else: # repeated midi def -> insert instument change |
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|
1411 return [ch, prg] |
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1412 r = re.search (r'transpose[^-\d]*(-?\d+)', x) |
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1413 if r: return [r.group (1)] |
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1414 else: info ('skipped I-field: %s' % x) |
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|
1415 |
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|
1416 def parseStaveDef (s, vdefs): |
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1417 if not s.staveDefs: return vdefs |
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|
1418 for x in s.staveDefs [1:]: info ('%%%%%s dropped, multiple stave mappings not supported' % x) |
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1419 x = s.staveDefs [0] # only the first %%score is honoured |
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|
1420 score = abc_scoredef.parseString (x) [0] |
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|
1421 f = lambda x: type (x) == types.UnicodeType and [x] or x |
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|
1422 s.staves = map (f, mkStaves (score, vdefs)) |
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|
1423 s.grands = map (f, mkGrand (score, vdefs)) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1424 s.groups = mkGroups (score) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1425 vce_groups = [vids for vids in s.staves if len (vids) > 1] # all voice groups |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1426 d = {} # for each voice group: map first voice id -> all merged voice ids |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1427 for vgr in vce_groups: d [vgr[0]] = vgr |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1428 for gstaff in s.grands: # for all grand staves |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1429 if len (gstaff) == 1: continue # skip single parts |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1430 for v, stf_num in zip (gstaff, range (1, len (gstaff) + 1)): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1431 for vx in d.get (v, [v]): # allocate staff numbers |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1432 s.gStaffNums [vx] = stf_num # to all constituant voices |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1433 s.gNstaves [vx] = len (gstaff) # also remember total number of staves |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1434 s.gStaffNumsOrg = s.gStaffNums.copy () # keep original allocation for abc -> xml staff map |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1435 return vdefs |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1436 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1437 def voiceNamesAndMaps (s, ps): # get voice names and mappings |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1438 vdefs = {} |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1439 for vid, vcedef, vce in ps: # vcedef == emtpy of first pObj == voice definition |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1440 pname, psubnm = '', '' # part name and abbreviation |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1441 if not vcedef: # simple abc without voice definitions |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1442 vdefs [vid] = pname, psubnm, '' |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1443 else: # abc with voice definitions |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1444 if vid != vcedef.t[1]: info ('voice ids unequal: %s (reg-ex) != %s (grammar)' % (vid, vcedef.t[1])) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1445 rn = re.search (r'(?:name|nm)="([^"]*)"', vcedef.t[2]) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1446 if rn: pname = rn.group (1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1447 rn = re.search (r'(?:subname|snm|sname)="([^"]*)"', vcedef.t[2]) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1448 if rn: psubnm = rn.group (1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1449 vdefs [vid] = pname, psubnm, vcedef.t[2] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1450 xs = [pObj.t[1] for maat in vce for pObj in maat if pObj.name == 'inline'] # all inline statements in vce |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1451 s.staveDefs += [x for x in xs if x.startswith ('score') or x.startswith ('staves')] # filter %%score and %%staves |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1452 return vdefs |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1453 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1454 def doHeaderField (s, fld, attrmap): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1455 type, value = fld.t[:2] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1456 if not value: # skip empty field |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1457 return |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1458 if type == 'M': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1459 attrmap [type] = value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1460 elif type == 'L': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1461 try: s.unitL = map (int, fld.t[1].split ('/')) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1462 except: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1463 info ('illegal unit length:%s, 1/8 assumed' % fld.t[1]) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1464 s.unitL = 1,8 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1465 if len (s.unitL) == 1 or s.unitL[1] not in s.typeMap: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1466 info ('L:%s is not allowed, 1/8 assumed' % fld.t[1]) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1467 s.unitL = 1,8 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1468 elif type == 'K': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1469 attrmap[type] = value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1470 elif type == 'T': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1471 if s.title: s.title = s.title + '\n' + value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1472 else: s.title = value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1473 elif type == 'C': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1474 s.creator ['composer'] = s.creator.get ('composer', '') + value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1475 elif type == 'Z': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1476 s.creator ['lyricist'] = s.creator.get ('lyricist', '') + value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1477 elif type == 'U': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1478 sym = fld.t[2].strip ('!+') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1479 s.usrSyms [value] = sym |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1480 elif type == 'I': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1481 s.doField_I (type, value) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1482 elif type == 'Q': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1483 attrmap[type] = value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1484 elif type in s.creditTab: s.credits [s.creditTab [type]] = value |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1485 else: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1486 info ('skipped header: %s' % fld) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1487 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1488 def mkIdentification (s, score, lev): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1489 if s.title: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1490 addElemT (score, 'movement-title', s.title, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1491 ident = E.Element ('identification') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1492 addElem (score, ident, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1493 if s.creator: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1494 for ctype, cname in s.creator.items (): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1495 c = E.Element ('creator', type=ctype) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1496 c.text = cname |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1497 addElem (ident, c, lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1498 encoding = E.Element ('encoding') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1499 addElem (ident, encoding, lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1500 encoder = E.Element ('encoder') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1501 encoder.text = 'abc2xml version %d' % VERSION |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1502 addElem (encoding, encoder, lev + 3) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1503 if s.supports_tag: # avoids interference of auto-flowing and explicit linebreaks |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1504 suports = E.Element ('supports', attribute="new-system", element="print", type="yes", value="yes") |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1505 addElem (encoding, suports, lev + 3) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1506 encodingDate = E.Element ('encoding-date') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1507 encodingDate.text = str (datetime.date.today ()) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1508 addElem (encoding, encodingDate, lev + 3) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1509 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1510 def mkDefaults (s, score, lev): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1511 if s.pageFmtCmd: s.pageFmtAbc = s.pageFmtCmd |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1512 if not s.pageFmtAbc: return # do not output the defaults if none is desired |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1513 space, h, w, l, r, t, b = s.pageFmtAbc |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1514 mils = 4 * space # staff height in millimeters |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1515 scale = 40. / mils # tenth's per millimeter |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1516 dflts = E.Element ('defaults') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1517 addElem (score, dflts, lev) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1518 scaling = E.Element ('scaling') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1519 addElem (dflts, scaling, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1520 addElemT (scaling, 'millimeters', '%g' % mils, lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1521 addElemT (scaling, 'tenths', '40', lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1522 layout = E.Element ('page-layout') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1523 addElem (dflts, layout, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1524 addElemT (layout, 'page-height', '%g' % (h * scale), lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1525 addElemT (layout, 'page-width', '%g' % (w * scale), lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1526 margins = E.Element ('page-margins', type='both') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1527 addElem (layout, margins, lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1528 addElemT (margins, 'left-margin', '%g' % (l * scale), lev + 3) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1529 addElemT (margins, 'right-margin', '%g' % (r * scale), lev + 3) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1530 addElemT (margins, 'top-margin', '%g' % (t * scale), lev + 3) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1531 addElemT (margins, 'bottom-margin', '%g' % (b * scale), lev + 3) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1532 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1533 def mkCredits (s, score, lev): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1534 if not s.credits: return |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1535 for ctype, ctext in s.credits.items (): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1536 credit = E.Element ('credit', page='1') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1537 addElemT (credit, 'credit-type', ctype, lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1538 addElemT (credit, 'credit-words', ctext, lev + 2) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1539 addElem (score, credit, lev) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1540 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1541 def parse (s, abc_string): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1542 abctext = abc_string if type (abc_string) == types.UnicodeType else decodeInput (abc_string) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1543 abctext = abctext.replace ('[I:staff ','[I:staff') # avoid false beam breaks |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1544 s.reset () |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1545 header, voices = splitHeaderVoices (abctext) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1546 ps = [] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1547 try: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1548 hs = abc_header.parseString (header) if header else '' |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1549 for id, vce_lyr in voices: # vce_lyr = [voice-block] where voice-block = (measures, corresponding lyric lines) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1550 vcelyr = [] # list of measures where measure = list of elements (see syntax) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1551 prevLeftBar = None # previous voice ended with a left-bar symbol (double repeat) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1552 for voice, lyr in vce_lyr: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1553 vce = abc_voice.parseString (voice).asList () |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1554 if not vce: # empty voice, insert an inline field that will be rejected |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1555 vce = [[pObj ('inline', ['I', 'empty voice'])]] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1556 if prevLeftBar: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1557 vce[0].insert (0, prevLeftBar) # insert at begin of first measure |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1558 prevLeftBar = None |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1559 if vce[-1] and vce[-1][-1].name == 'lbar': # last measure ends with an lbar |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1560 prevLeftBar = vce[-1][-1] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1561 if len (vce) > 1: # vce should not become empty (-> exception when taking vcelyr [0][0]) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1562 del vce[-1] # lbar was the only element in measure vce[-1] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1563 lyr = lyr.strip () # strip leading \n (because we split on '\nw:...') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1564 if lyr: # no lyrics for this measures-lyrics block |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1565 lyr = lyr_block.parseString (lyr).asList () |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1566 xs = alignLyr (vce, lyr) # put all syllables into corresponding notes |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1567 else: xs = vce |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1568 vcelyr += xs |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1569 elem1 = vcelyr [0][0] # the first element of the first measure |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1570 if elem1.name == 'inline'and elem1.t[0] == 'V': # is a voice definition |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1571 voicedef = elem1 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1572 del vcelyr [0][0] # do not read voicedef twice |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1573 else: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1574 voicedef = '' |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1575 ps.append ((id, voicedef, vcelyr)) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1576 except ParseException, err: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1577 if err.loc > 40: # limit length of error message, compatible with markInputline |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1578 err.pstr = err.pstr [err.loc - 40: err.loc + 40] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1579 err.loc = 40 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1580 xs = err.line[err.col-1:] |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1581 try: info (err.line.encode ('utf-8'), warn=0) # err.line is a unicode string!! |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1582 except: info (err.line.encode ('latin-1'), warn=0) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1583 info ((err.col-1) * '-' + '^', warn=0) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1584 if re.search (r'\[U:[XYZxyz]', xs): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1585 info ('Error: illegal user defined symbol: %s' % xs[1:], warn=0) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1586 elif re.search (r'\[[OAPZNGHRBDFSXTCIU]:', xs): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1587 info ('Error: header-only field %s appears after K:' % xs[1:], warn=0) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1588 else: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1589 info ('Syntax error at column %d' % err.col, warn=0) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1590 raise err |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1591 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1592 s.unitL = (1, 8) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1593 s.title = '' |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1594 s.creator = {} # {creator type -> name string} |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1595 s.credits = {} # {credit type -> string} |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1596 score = E.Element ('score-partwise') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1597 attrmap = {'Div': str (s.divisions), 'K':'C treble', 'M':'4/4'} |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1598 for res in hs: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1599 if res.name == 'field': |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1600 s.doHeaderField (res, attrmap) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1601 else: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1602 info ('unexpected header item: %s' % res) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1603 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1604 vdefs = s.voiceNamesAndMaps (ps) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1605 vdefs = s.parseStaveDef (vdefs) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1606 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1607 lev = 0 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1608 vids, parts, partAttr = [], [], {} |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1609 for vid, _, vce in ps: # voice id, voice parse tree |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1610 pname, psubnm, voicedef = vdefs [vid] # part name |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1611 attrmap ['V'] = voicedef # abc text of first voice definition (after V:vid) or empty |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1612 pid = 'P%s' % vid # let part id start with an alpha |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1613 s.vid = vid # avoid parameter passing, needed in mkNote for instrument id |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1614 part = s.mkPart (vce, pid, lev + 1, attrmap, s.gNstaves.get (vid, 0)) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1615 if 'Q' in attrmap: del attrmap ['Q'] # header tempo only in first part |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1616 parts.append (part) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1617 vids.append (vid) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1618 partAttr [vid] = (pname, psubnm, s.midprg) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1619 parts, vidsnew = mergeParts (parts, vids, s.staves) # merge parts into staves as indicated by %%score |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1620 parts, _ = mergeParts (parts, vidsnew, s.grands, 1) # merge grand staves |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1621 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1622 s.mkIdentification (score, lev) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1623 s.mkDefaults (score, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1624 s.mkCredits (score, lev) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1625 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1626 partlist, nInstrs = s.mkPartlist (vids, partAttr, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1627 addElem (score, partlist, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1628 for ip, part in enumerate (parts): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1629 if nInstrs [ip] < 2: # no instrument tag needed for one- or no-instrument parts |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1630 removeElems (part, 'measure/note', 'instrument') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1631 addElem (score, part, lev + 1) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1632 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1633 return score |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1634 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1635 def decodeInput (data_string): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1636 try: enc = 'utf-8'; unicode_string = data_string.decode (enc) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1637 except: |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1638 try: enc = 'latin-1'; unicode_string = data_string.decode (enc) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1639 except: raise Exception ('data not encoded in utf-8 nor in latin-1') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1640 info ('decoded from %s' % enc) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1641 return unicode_string |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1642 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1643 xmlVersion = "<?xml version='1.0' encoding='utf-8'?>" |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1644 def fixDoctype (elem, enc): |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1645 xs = E.tostring (elem, encoding=enc) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1646 ys = xs.split ('\n') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1647 if enc == 'utf-8': ys.insert (0, xmlVersion) # crooked logic of ElementTree lib |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1648 ys.insert (1, '<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 3.0 Partwise//EN" "http://www.musicxml.org/dtds/partwise.dtd">') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1649 return '\n'.join (ys) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1650 |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1651 def xml2mxl (pad, fnm, data): # write xml data to compressed .mxl file |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1652 from zipfile import ZipFile, ZIP_DEFLATED |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1653 fnmext = fnm + '.xml' # file name with extension, relative to the root within the archive |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1654 outfile = os.path.join (pad, fnm + '.mxl') |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1655 meta = '%s\n<container><rootfiles>\n' % xmlVersion |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1656 meta += '<rootfile full-path="%s" media-type="application/vnd.recordare.musicxml+xml"/>\n' % fnmext |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1657 meta += '</rootfiles></container>' |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1658 f = ZipFile (outfile, 'w', ZIP_DEFLATED) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1659 f.writestr ('META-INF/container.xml', meta) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1660 f.writestr (fnmext, data) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1661 f.close () |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1662 info ('%s written' % outfile, warn=0) |
4fab69a1027d
Add MusicXML conversion to tune pages.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
1663 |
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1664 def convert (pad, fnm, abc_string, mxl): |
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1665 # these globals should be initialised (as in the __main__ secion) before calling convert |
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1666 global mxm # optimisation 1: keep instance of MusicXml |
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1667 global abc_header, abc_voice, lyr_block, abc_scoredef # optimisation 2: keep computed grammars |
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1668 score = mxm.parse (abc_string) |
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1669 if pad: |
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1670 data = fixDoctype (score, 'utf-8') |
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1671 if not mxl or mxl in ['a', 'add']: |
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1672 outfnm = os.path.join (pad, fnm + '.xml') |
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1673 outfile = file (outfnm, 'wb') |
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1674 outfile.write (data) |
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1675 outfile.close () |
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1676 info ('%s written' % outfnm, warn=0) |
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1677 if mxl: xml2mxl (pad, fnm, data) # also write a compressed version |
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1678 else: |
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1679 outfile = sys.stdout |
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1680 outfile.write (fixDoctype (score, 'utf-8')) |
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1681 outfile.write ('\n') |
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1682 |
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1683 #---------------- |
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1684 # Main Program |
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1685 #---------------- |
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1686 if __name__ == '__main__': |
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1687 from optparse import OptionParser |
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1688 from glob import glob |
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1689 import time |
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1690 global mxm # keep instance of MusicXml |
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1691 global abc_header, abc_voice, lyr_block, abc_scoredef # keep computed grammars |
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1692 mxm = MusicXml () |
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1693 |
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1694 parser = OptionParser (usage='%prog [-h] [-r] [-m SKIP NUM] [-o DIR] [-p PFMT] [-z MODE] <file1> [<file2> ...]', version='version %d' % VERSION) |
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1695 parser.add_option ("-o", action="store", help="store xml files in DIR", default='', metavar='DIR') |
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1696 parser.add_option ("-m", action="store", help="skip SKIP tunes, then read at most NUM tunes", nargs=2, type='int', default=(0,1), metavar='SKIP NUM') |
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1697 parser.add_option ("-p", action="store", help="page formatting in PFMT", default='', metavar='PFMT') |
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1698 parser.add_option ("-z", "--mxl", dest="mxl", help="store as compressed mxl, MODE = a(dd) or r(eplace)", default='', metavar='MODE') |
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1699 parser.add_option ("-r", action="store_true", help="show whole measure rests in merged staffs", default=False) |
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1700 options, args = parser.parse_args () |
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1701 if len (args) == 0: parser.error ('no input file given') |
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1702 pad = options.o |
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1703 if options.mxl and options.mxl not in ['a','add', 'r', 'replace']: |
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1704 parser.error ('MODE should be a(dd) or r(eplace), not: %s' % options.mxl) |
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1705 if pad: |
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1706 if not os.path.exists (pad): os.mkdir (pad) |
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1707 if not os.path.isdir (pad): parser.error ('%s is not a directory' % pad) |
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1708 if options.p: # set page formatting values |
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1709 try: # space, page-height, -width, margin-left, -right, -top, -bottom |
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1710 mxm.pageFmtCmd = map (float, options.p.split (',')) |
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1711 if len (mxm.pageFmtCmd) != 7: raise Exception ('-p needs 7 values') |
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1712 except Exception, err: parser.error (err) |
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1713 mxm.gmwr = options.r # ugly: needs to be globally accessable |
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1714 |
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1715 abc_header, abc_voice, lyr_block, abc_scoredef = abc_grammar () # compute grammar only once per file set |
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1716 fnmext_list = [] |
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1717 for i in args: fnmext_list += glob (i) |
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1718 if not fnmext_list: parser.error ('none of the input files exist') |
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1719 t_start = time.time () |
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1720 for X, fnmext in enumerate (fnmext_list): |
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1721 fnm, ext = os.path.splitext (fnmext) |
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1722 if ext.lower () not in ('.abc'): |
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1723 info ('skipped input file %s, it should have extension .abc' % fnmext) |
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1724 continue |
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1725 if os.path.isdir (fnmext): |
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1726 info ('skipped directory %s. Only files are accepted' % fnmext) |
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1727 continue |
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1728 |
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1729 fobj = open (fnmext, 'rb') |
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1730 encoded_data = fobj.read () |
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1731 fobj.close () |
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1732 fragments = encoded_data.split ('X:') |
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1733 preamble = fragments [0] # tunes can be preceeded by formatting instructions |
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1734 tunes = fragments[1:] |
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1735 if not tunes and preamble: tunes, preamble = ['1\n' + preamble], '' # tune without X: |
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1736 skip, num = options.m # skip tunes, then read at most num tunes |
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1737 numtunes = min ([len (tunes), num]) # number of tunes to be converted |
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1738 for itune, tune in enumerate (tunes): |
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1739 if itune < skip: continue |
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1740 if itune >= skip + num: break |
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1741 tune = preamble + 'X:' + tune # restore preamble before each tune |
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1742 fnmNum = '%s%02d' % (fnm, itune + 1) if numtunes > 1 else fnm |
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1743 try: # convert string abctext -> file pad/fnmNum.xml |
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1744 convert (pad, fnmNum, tune, options.mxl) |
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1745 except ParseException, err: pass # output already printed |
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1746 except Exception, err: info ('an exception occurred.\n%s' % err) |
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1747 info ('done in %.2f secs' % (time.time () - t_start)) |