Mercurial > dottes
annotate abcrange.py @ 1046:cb85dc5c3c4a
Added tag build-default-377 for changeset 41f73f8bfd2c
author | Jenkins Build Manager <jenkins@cryhavoc.org.uk> |
---|---|
date | Sun, 12 Apr 2020 05:24:39 +0100 (2020-04-12) |
parents | 2f6e05d0aba0 |
children |
rev | line source |
---|---|
587
1b79867b4f35
Convert remaining Python to Python3 and add +: support.
Jim Hague <jim.hague@acm.org>
parents:
322
diff
changeset
|
1 #!/usr/bin/env python3 |
322
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
2 # |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
3 # Find the range of a tune. Do minimal parsing of an ABC input file |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
4 # and print the lowest and highest notes therein. Accidentals are |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
5 # ignored. |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
6 # |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
7 # The output is given in purely numeric form, to avoid needing to |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
8 # re-parse it in an external script. A single line is printed with |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
9 # the highest note followed by a space and the lowest note. Middle C ('C') is |
671
2f6e05d0aba0
Add experimental Alto Recorder (C Fingering) instrument.
Jim Hague <jim.hague@acm.org>
parents:
587
diff
changeset
|
10 # 100. D an octave above ('d') is 108. D an octave above that ('d'') is |
322
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
11 # 205. D below middle C ('d,') is 94. And so on. |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
12 # |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
13 # For example: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
14 # $./abcrange.py choon.abc |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
15 # choon.abc: 112 97 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
16 # |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
17 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
18 import sys |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
19 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
20 def process(filename, inf): |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
21 highest = 0 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
22 lowest = 1000 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
23 for line in inf: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
24 line = line.strip() |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
25 # If it is empty or starts "%", ignore it. |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
26 if len(line) == 0 or line[0] == "%": |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
27 continue |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
28 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
29 # Is it a header line? I.e. does it start LETTER COLON? |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
30 # If so, ignore. |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
31 start = line[:2] |
587
1b79867b4f35
Convert remaining Python to Python3 and add +: support.
Jim Hague <jim.hague@acm.org>
parents:
322
diff
changeset
|
32 if len(start) > 1 and start[1] == ":" and (start[0].isalpha() or start[0] == '+'): |
322
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
33 continue |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
34 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
35 # Tune line. |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
36 inchord = False |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
37 note = 0 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
38 notevals = { |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
39 "C": 100, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
40 "D": 101, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
41 "E": 102, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
42 "F": 103, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
43 "G": 104, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
44 "A": 105, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
45 "B": 106, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
46 "c": 107, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
47 "d": 108, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
48 "e": 109, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
49 "f": 110, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
50 "g": 111, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
51 "a": 112, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
52 "b": 113, |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
53 } |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
54 for c in line: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
55 if c == "," and note > 0: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
56 note = note - 7 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
57 continue |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
58 elif c == "'" and note > 0: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
59 note = note + 7 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
60 continue |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
61 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
62 if note > 0: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
63 if note > highest: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
64 highest = note |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
65 if note < lowest: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
66 lowest = note |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
67 note = 0 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
68 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
69 if c == '"': |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
70 inchord = not inchord |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
71 continue |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
72 if inchord: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
73 continue |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
74 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
75 if c in notevals: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
76 note = notevals[c] |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
77 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
78 if note > 0: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
79 if note > highest: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
80 highest = note |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
81 if note < lowest: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
82 lowest = note |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
83 note = 0 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
84 |
587
1b79867b4f35
Convert remaining Python to Python3 and add +: support.
Jim Hague <jim.hague@acm.org>
parents:
322
diff
changeset
|
85 print("{0}: {1} {2}".format(filename, highest, lowest)) |
322
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
86 |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
87 if len(sys.argv) > 1: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
88 for arg in sys.argv[1:]: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
89 try: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
90 inf = open(arg, "r") |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
91 process(arg, inf) |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
92 finally: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
93 inf.close() |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
94 else: |
b4a0161e8870
Add abcrange.py to return the range of a tune, and use it in instrument transposition.
Jim Hague <jim.hague@acm.org>
parents:
diff
changeset
|
95 process("stdin", sys.stdin) |