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import parse
import tree
random.seed(time.time())
def main():
key = "A"
bps = 60/60
tempo = 1/bps
max_duration = 1
"duration": 40,
"duration": 10,
"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 (w)"],
"w": ['E/4 A/4 D/4 G/4 F/4 F/4 B2 (u)'],
"w": ["E/4 A/4 D/4 G/4 F/4 F/4 B2 (u)"],
},
"score": "u u",
"duration": 40,
"duration": 10,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C C C C F/2 F/2 F/2 (u)"],
"u": ["C C C C F/2 F/2 F/2 (u)", "D D G/2 A/2 D D (u)"],
},
"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
t 0 60
'''
movement_start = 0
progression = "verse1 verse2"
for comp_name in progression.split():
# We need an arbitrary grammar from this instrument to start the score with
max_instr = 0
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) >= 10:
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
if score_len(ins_score) > max_instr:
max_instr = score_len(ins_score)
for line in generate_csound_score(composition[comp_name][instr_name]["score"], instr["score_line"], movement_start):
print line
movement_start += max_instr
pdb.set_trace()
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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})
elif isinstance(token, tree.Tree):
continue
t += token.duration
return csound_score
if __name__ == "__main__": main()
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