Changes In Branch feature/abc Through [7a6ab725ee] Excluding Merge-Ins
This is equivalent to a diff from 843dabad43 to 7a6ab725ee
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2011-09-15
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| 19:19 | Movements work again check-in: a9b80ad75f user: brian tags: feature/abc | |
| 19:09 | Program prints stuff out again check-in: 7a6ab725ee user: brian tags: feature/abc | |
| 15:28 | Got the program to run through again. Now without the roman numerals check-in: 33ddc6fee4 user: brian tags: feature/abc | |
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2011-09-13
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| 18:29 | Create new branch named "feature/abc" check-in: 3833b59ec2 user: brian tags: feature/abc | |
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2011-02-10
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| 22:34 | Added lexical support for parens instead of quotes for chords, cleaned up the yacc parser, added lex tokens for syncopation check-in: 702d933446 user: brian@linux-85dd.site tags: master | |
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2010-11-30
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| 17:33 | This is what I submitted as my final piece for MUS 306 check-in: 843dabad43 user: spiffytech@gmail.com tags: master | |
| 06:22 | Added a timbre instrument, doubled the length of the piece, added intros and outro check-in: de7c009e4d user: spiffytech@gmail.com tags: master | |
Modified cfg.py from [019c552e42] to [6f8ab10545].
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#!/usr/bin/env python from __future__ import division import os import random import sys import time random.seed(time.time()) import parse def main(): key = "A" bps = 60/60 tempo = 1/bps max_duration = 1 composition = { "intro1": { "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 4, "grammars": { "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'], "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'], "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'], "y": ['"I" "vi"2 "IV" "V" y y u'], }, "score": "u x u y x w u", }, }, "intro2": { "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 8, "grammars": { "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'], "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'], "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'], "y": ['"I" "vi"2 "IV" "V" y y u'], }, "score": "u x u y x w u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 8, "grammars": { # Notes for this instrument to use in this piece "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u'] }, "score": "u u u u u", }, }, "overview": { "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 40, "grammars": { # Notes for this instrument to use in this piece "u": ["I V/2 V/2 V/2 I VII, IV' I IV I VII IV"], "w": ['III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2'], "x": ['I/2 I/2 VI IV/2 V2 z I/2 I/2 VI IV/2 V'], }, "score": "u u w w w w w x x", }, "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 44, "grammars": { "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'], "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'], "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'], "y": ['"I" "vi"2 "IV" "V" y y u'], }, "score": "u x u y x w u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 44, "grammars": { # Notes for this instrument to use in this piece "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u'] }, "score": "u u u u u", }, }, "a": { # Movement block 'a' for reuse throughout the piece "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 40, "grammars": { # Notes for this instrument to use in this piece "u": ["I V/2 V/2 V/2 I VII, IV' x", "I IV w", "I VII IV u"], "w": ['VII I IV V VI VII I IV V VI VII u'], "x": ['VI/4 III/4 II/4 I/4 w'], }, "score": "u", }, "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 48, "grammars": { "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'], "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'], "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'], "y": ['"I" "vi"2 "IV" "V" y y u'], }, "score": "u x u y x w u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 42, "grammars": { # Notes for this instrument to use in this piece "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u'] }, "score": "u u u u u", }, }, "b": { # Movement block 'a' for reuse throughout the piece "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 40, "grammars": { # Notes for this instrument to use in this piece "u": ['I VII V III u', "y"], "w": ['VII I IV V VI u', 'w'], "x": ['VI/4 III/4 II/4 I/4 w', 'x x'], "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2"], }, "score": "w w x x w", }, "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 44, "grammars": { "u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"], "y": ['"I" "vi"2 "IV" "V" y y u'], }, "score": "u u y y u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 40, "grammars": { # Notes for this instrument to use in this piece "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u'] }, "score": "u u u u u", }, }, "zelda1": { # Movement block 'a' for reuse throughout the piece "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 50, "grammars": { # Notes for this instrument to use in this piece "u": ['I VI/2 VI/2 IV/2 I VI/2 VI/2 IV/2 I VI/2 VI/2 IV/2 w', "y"], "w": ['VII/2 I/2 II/2 V/2 u'], "x": ['VI/4 III/4 II/4 I/4 w'], "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2 x"], }, "score": "w", }, "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 54, "grammars": { "u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"], "y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'], }, "score": "u u y y u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 54, "grammars": { # Notes for this instrument to use in this piece "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u'] }, "score": "u u u u u", }, }, "zelda2": { # Movement block 'a' for reuse throughout the piece "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 40, "grammars": { # Notes for this instrument to use in this piece "u": ['I/2 I/2 VI IV/2 V2 z I/2 I/2 VI IV/2 V u', "w"], "w": ['III/2 II/2 IV/2 III/2 V/2 IV/2 VI/2 V/2 w', 'u', 'x'], "x": ['VII3 z2 V/4 IV/4 V/4 IV/4 V/4 VI/4 II/4 II/4 II/4 I/4 II/2 u', 'w'], }, "score": "u", }, "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 44, "grammars": { "u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"], "y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'], }, "score": "u u y y u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 44, "grammars": { # Notes for this instrument to use in this piece "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u'] }, "score": "u u u u u", }, }, "timbre_solo": { # Movement block 'a' for reuse throughout the piece "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 30, "grammars": { "u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"], "y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'], }, "score": "u u y y u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 30, "grammars": { # Notes for this instrument to use in this piece "u": ['I VI/2 VI/2 IV/2 u', "y"], "w": ['VII/2 I/2 II/2 V/2 u', 'w w', 'u x'], "x": ['VI/4 III/4 II/4 I/4 w', 'x x', 'x u'], "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2 w", 'y y'], }, "score": "u", }, }, "outro1": { # Movement block 'a' for reuse throughout the piece "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 20, "grammars": { # Notes for this instrument to use in this piece "u": ['I VII V III u', "y"], "w": ['VII I IV V VI u', 'w w'], "x": ['VI/4 III/4 II/4 I/4 w', 'x x'], "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2"], }, "score": "w w x x w", }, "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 26, "grammars": { "u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"], "y": ['"I" "vi"2 "IV" "V" y y u'], }, "score": "u u y y u", }, "timbre": { "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3", "octave": 6, "duration": 26, "grammars": { # Notes for this instrument to use in this piece "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u'] }, "score": "u u u u u", }, }, "outro2": { "rhythm": { "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6", "octave": 7, "duration": 4, "grammars": { "u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"], "y": ['"I" "vi"2 "IV" "V" y y u'], }, "score": "u u y y u", }, }, } max_t = 0 # max time encountered so far. Used for movement timing progression = "intro1 intro2 overview a timbre_solo zelda1 b zelda2 outro1 outro2" # progression = "zelda1" for comp_name in progression.split(): comp_start_time = max_t for instr_name, instr in composition[comp_name].iteritems(): generated_score = generate_score(instr["score"], instr["grammars"]) # Fill in the scores by generating them based on the grammars # print generated_score score = parse.parse(generated_score, default_octave=instr["octave"]) # Return Node/Chord objects # Generate timestamps for the notes t = comp_start_time for note in range(len(score)): score[note].time = t score[note].duration *= tempo t += score[note].duration # print "time difference =", t-comp_start_time # print "instrument duration =",composition[comp_name][instr_name]["duration"] if (t-comp_start_time) > float(composition[comp_name][instr_name]["duration"]): # print "here" score = score[:note] break max_t = t if t > max_t else max_t composition[comp_name][instr_name]["score"] = score # Must be done after all note times keyed in, else you can't coordinate melodies with the rhythm chords print '''f1 0 512 10 1 f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 f3 0 1025 10 1 ''' for comp_name in progression.split(): print "; Movement:", comp_name for instr_name, instr in composition[comp_name].iteritems(): composition[comp_name][instr_name]["score"] = transliterate_score(composition[comp_name][instr_name]["score"], key) # print "\nMovement %s instrument %s" % (comp_name, instr_name) # print composition[comp_name][instr_name]["score"] final_score = generate_csound_score(composition[comp_name][instr_name]["score"], composition[comp_name][instr_name]["score_line"]) for line in final_score: print line def make_scale(key): notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"] scale = [key] pos = notes.index(key) progression = [2,2,1,2,2,2,1] for p in progression: pos = (pos + p) % 12 scale.append(notes[pos]) return scale def generate_score(score, grammars): while 1: found_substitution = False for key,value in grammars.iteritems(): if score.find(key) != -1: found_substitution = True while score.find(key) != -1: score = score.replace(key, random.choice(grammars[key]), 1) ................................................................................ for k in grammars.keys(): score = score.replace(k, "") return score if found_substitution is False: break return score def transliterate_score(score, key): scale = make_scale(key) scale_conversion = { "I": 1, "II": 2, "III": 3, "IV": 4, "V": 5, "VI": 6, "VII": 7, "VIII": 8, } keyed_score = [] for i in range(len(score)): if isinstance(score[i], parse.Note): score[i].value = scale[scale_conversion[score[i].value]-1] elif isinstance(score[i], parse.Chord): chord = [] root_note_index = scale.index(key) + scale_conversion[score[i].value] chord.append(scale[root_note_index]) chord.append(scale[(root_note_index+3) % 8]) if score[i].chord_type == "m": # Minor chords, flat the 5th chord.append(scale[(root_note_index+4) % 8]) else: chord.append(scale[(root_note_index+5) % 8]) score[i].chord = chord elif isinstance(score[i], parse.Rest): pass return score def generate_csound_score(score, score_line): csound_note_values = { "C": "00", "C#": "01", "D": "02", "D#": "03", "E": "04", "F": "05", ................................................................................ "G": "07", "G#": "08", "A": "09", "A#": "10", "B": "11", } csound_score = [] for token in score: if isinstance(token, parse.Chord): # Chords for note in token.chord: note = csound_note_values[note] csound_score.append(score_line % {"time": token.time, "octave": token.octave, "note": note, "duration": token.duration}) elif isinstance(token, parse.Note): # Individual notes note = csound_note_values[token.value] csound_score.append(score_line % {"time": token.time, "octave": token.octave, "note": note, "duration": token.duration}) return csound_score if __name__ == "__main__": main() |
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#!/usr/bin/env python from __future__ import division import os import pdb import random import sys import time import parse import tree random.seed(time.time()) def main(): key = "A" bps = 60/60 tempo = 1/bps max_duration = 1 composition = { "overview": { "melody": { # Instrument 'melody' "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", "octave": 8, "duration": 40, "grammars": { # Notes for this instrument to use in this piece "u": ["C G/2 G/2 G/2 C B, F' C F C B F (u)"], # "w": ['E/4 A/4 D/4 G/4 F/4 F/4 B2'], }, "score": "u u", }, }, } print '''f1 0 512 10 1 f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 f3 0 1025 10 1 ''' movement_start = 0 max_t = 0 # max time encountered so far. Used for movement timing progression = "overview" for comp_name in progression.split(): comp_start_time = max_t # We need an arbitrary grammar from this instrument to start the score with max_instr = 0 movement_start += max_instr for instr_name, instr in composition[comp_name].iteritems(): for grammar in instr["grammars"]: for g in range(len(instr["grammars"][grammar])): instr["grammars"][grammar][g] = parse.parse(instr["grammars"][grammar][g], default_octave=instr["octave"]) g = random.choice(instr["grammars"].keys()) ins_score = random.choice(instr["grammars"][g]) # ins_score = instr["grammars"][g] score_complete = False while score_complete is False: if score_len(ins_score) >= 50: score_complete = True break for i in range(len(ins_score)): if isinstance(ins_score[i], tree.Tree): unrolled_score = select_node(instr["grammars"][ins_score[i].name]) new_score = ins_score[:i-1] + unrolled_score + ins_score[i+i:] ins_score = new_score if i == len(ins_score): score_complete = True break ins_score = [n for n in ins_score if not isinstance(n, tree.Tree)] composition[comp_name][instr_name]["score"] = ins_score # Generate timestamps for the notes # t = comp_start_time # for note in range(len(ins_score)): # ins_score[note].time = t # ins_score[note].duration *= tempo # t += score[note].duration ## print "time difference =", t-comp_start_time ## print "instrument duration =",composition[comp_name][instr_name]["duration"] # if (t-comp_start_time) > float(composition[comp_name][instr_name]["duration"]): ## print "here" # ins_score = ins_score[:note] # break # max_t = t if t > max_t else max_t # composition[comp_name][instr_name]["score"] = ins_score # Must be done after all note times keyed in, else you can't coordinate melodies with the rhythm chords # for comp_name in progression.split(): # print "; Movement:", comp_name # for instr_name, instr in composition[comp_name].iteritems(): ## print "\nMovement %s instrument %s" % (comp_name, instr_name) ## print composition[comp_name][instr_name]["score"] # final_score = generate_csound_score(composition[comp_name][instr_name]["score"], composition[comp_name][instr_name]["score_line"]) # for line in final_score: # print line if score_len(ins_score) > max_instr: max_instr = ins_score for line in generate_csound_score(composition[comp_name][instr_name]["score"], instr["score_line"], movement_start): print line def score_len(score): total = 0 for n in score: if not isinstance(n, tree.Tree): total += n.duration return total def select_node(grammar): return random.choice(grammar) def generate_score(score, grammars): pdb.set_trace() while 1: found_substitution = False for key,value in grammars.iteritems(): if score.find(key) != -1: found_substitution = True while score.find(key) != -1: score = score.replace(key, random.choice(grammars[key]), 1) ................................................................................ for k in grammars.keys(): score = score.replace(k, "") return score if found_substitution is False: break return score def generate_csound_score(score, score_line, t): csound_note_values = { "C": "00", "C#": "01", "D": "02", "D#": "03", "E": "04", "F": "05", ................................................................................ "G": "07", "G#": "08", "A": "09", "A#": "10", "B": "11", } csound_score = [] pdb.set_trace() for token in score: if isinstance(token, parse.Chord): # Chords for note in token.chord: note = csound_note_values[note] csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration}) elif isinstance(token, parse.Note): # Individual notes note = csound_note_values[token.value] csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration}) t += token.duration return csound_score if __name__ == "__main__": main() |
Modified parse.py from [9c47a4ff24] to [8755d61a44].
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#!/usr/bin/env python
from ply import lex, yacc
class Note():
def __init__(self, value, duration=.25, octave=8):
self.value = value
self.duration = duration
self.octave = octave
................................................................................
"NOTE_LENGTH",
"BASENOTE",
"ACCIDENTAL",
"REST",
"OCTAVE",
"CHORD_TYPE",
"QUOTE",
)
t_ignore = " |"
#t_BASENOTE = r"[A-Ga-g]"
t_BASENOTE = r"I+V?|VI*|i+v?|vi*"
t_ACCIDENTAL = r"\^{1,2}|_{1,2}|="
t_REST = r"z"
t_OCTAVE = r"'+|,+"
t_CHORD_TYPE = r"m|7|m7|0|o|\+|mb5|sus|sus4|maj7|mmaj7|7sus4|dim|dim7|7b5|m7b5|6|b6|m6|mb6|46|maj9|9|add9|7b9|m9"
t_QUOTE = '"'
def t_NOTE_LENGTH(t):
r"/?\d+"
multiplier = float(t.value.strip("/"))
if t.value.startswith("/"):
multiplier = 1/multiplier
t.value = multiplier
................................................................................
# Parse (yacc)
def p_pitch_list(p):
'''score : score note
| score chord
| score rest
'''
p[0] = p[1] + [p[2]]
def p_score(p):
'''score : note
| chord
| rest
'''
p[0] = [p[1]]
def p_note(p):
'''note : pitch
'''
................................................................................
def p_rest(p):
''' rest : REST
| REST NOTE_LENGTH
'''
p[0] = Rest()
if len(p) > 2:
p[0].duration = p[2]
def p_error(p):
raise Exception("Syntax error at '%s' of element type %s" % (p.value, p.type))
yacc.yacc()
#print yacc.parse("GFG B'AB,, | g/2fg gab | GFG BAB | d2A AFD")
return yacc.parse(score)
|
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#!/usr/bin/env python import tree from ply import lex, yacc class Note(): def __init__(self, value, duration=.25, octave=8): self.value = value self.duration = duration self.octave = octave ................................................................................ "NOTE_LENGTH", "BASENOTE", "ACCIDENTAL", "REST", "OCTAVE", "CHORD_TYPE", "QUOTE", "NODE", ) t_ignore = " |" t_BASENOTE = r"[A-Ga-g]" # t_BASENOTE = r"I+V?|VI*|i+v?|vi*" t_ACCIDENTAL = r"\^{1,2}|_{1,2}|=" t_REST = r"z" t_OCTAVE = r"'+|,+" t_CHORD_TYPE = r"m|7|m7|0|o|\+|mb5|sus|sus4|maj7|mmaj7|7sus4|dim|dim7|7b5|m7b5|6|b6|m6|mb6|46|maj9|9|add9|7b9|m9" t_QUOTE = '"' t_NODE = r"\([a-zA-Z0-9_-]+\)" def t_NOTE_LENGTH(t): r"/?\d+" multiplier = float(t.value.strip("/")) if t.value.startswith("/"): multiplier = 1/multiplier t.value = multiplier ................................................................................ # Parse (yacc) def p_pitch_list(p): '''score : score note | score chord | score rest | score node ''' p[0] = p[1] + [p[2]] def p_score(p): '''score : note | chord | rest | node ''' p[0] = [p[1]] def p_note(p): '''note : pitch ''' ................................................................................ def p_rest(p): ''' rest : REST | REST NOTE_LENGTH ''' p[0] = Rest() if len(p) > 2: p[0].duration = p[2] def p_node(p): '''node : NODE ''' p[0] = tree.Tree(p[1].strip("(").strip(")")) def p_error(p): print p raise Exception("Syntax error at '%s' of element type %s" % (p.value, p.type)) yacc.yacc() #print yacc.parse("GFG B'AB,, | g/2fg gab | GFG BAB | d2A AFD") return yacc.parse(score) |
Added tree.py version [29c78902c8].
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import pdb class Tree(): def __init__(self, name): self.nodes = [] self.name = name def traverse_depth_first(self): all_nodes = [] for node in self.nodes: if isinstance(node, Node): all_nodes.append(node) elif isinstance(node, Tree): # pdb.set_trace() all_nodes.extend(node.traverse_depth_first()) return all_nodes def __str__(self): return str(self.__unicode__()) def __unicode__(self): return self.nodes class Node(): def __init__(self, parent, data): self.parent = parent self.data = data def __str__(self): return str(self.__unicode__()) def __unicode__(self): return self.data |