Overview
| SHA1 Hash: | 3cac4f013df3b3a7be932583f18353a04078c6c5 |
|---|---|
| Date: | 2011-09-22 17:04:24 |
| User: | brian |
| Comment: | Finally broke the program out into functions. It's now much cleaner and easier to underntand. |
| Timelines: | family | ancestors | descendants | both | feature/abc |
| Other Links: | files | file ages | manifest |
Tags And Properties
- branch=feature/abc inherited from [3833b59ec2]
- sym-feature/abc inherited from [3833b59ec2]
Changes
Modified cfg.py from [eefff49c8fc33785] to [77ab4fec9becbad0].
9 9 import parse 10 10 11 11 import tree 12 12 13 13 random.seed(time.time()) 14 14 15 15 def main(): 16 - key = "A" 17 - bps = 60/60 18 - tempo = 1/bps 19 - max_duration = 1 20 - 21 16 composition = { 22 17 "verse1": { 23 18 "melody": { # Instrument 'melody' 24 19 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", 25 20 "octave": 8, 26 - "duration": 40, 21 + "duration": 10, 27 22 "grammars": { # Notes for this instrument to use in this piece 28 23 "u": ["C G/2 G/2 G/2 C B, F' C F C B F (w)"], 29 - "w": ['E/4 A/4 D/4 G/4 F/4 F/4 B2 (u)'], 24 + "w": ["E/4 A/4 D/4 G/4 F/4 F/4 B2 (u)"], 30 25 }, 31 - "score": "u u", 32 26 }, 33 27 }, 34 28 "verse2": { 35 29 "melody": { # Instrument 'melody' 36 30 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2", 37 31 "octave": 8, 38 - "duration": 40, 32 + "duration": 10, 39 33 "grammars": { # Notes for this instrument to use in this piece 40 - "u": ["C C C C F/2 F/2 F/2 (u)"], 34 + "u": ["C C C C F/2 F/2 F/2 (u)", "D D G/2 A/2 D D (u)"], 41 35 }, 42 - "score": "u u", 43 36 }, 44 37 }, 45 38 } 46 - print '''f1 0 512 10 1 47 - f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 48 - f3 0 1025 10 1 49 - t 0 60 39 + print '''f1 0 512 10 1 40 +f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 41 +f3 0 1025 10 1 42 +t 0 60 50 43 ''' 51 - movement_start = 0 52 - progression = "verse1 verse2" 53 - for comp_name in progression.split(): 54 - # We need an arbitrary grammar from this instrument to start the score with 55 - max_instr = 0 56 - for instr_name, instr in composition[comp_name].iteritems(): 57 - for grammar in instr["grammars"]: 58 - for g in range(len(instr["grammars"][grammar])): 59 - instr["grammars"][grammar][g] = parse.parse(instr["grammars"][grammar][g], default_octave=instr["octave"]) 60 - g = random.choice(instr["grammars"].keys()) 61 - ins_score = random.choice(instr["grammars"][g]) 62 -# ins_score = instr["grammars"][g] 63 - score_complete = False 64 - while score_complete is False: 65 - if score_len(ins_score) >= 10: 66 - score_complete = True 67 - break 68 - for i in range(len(ins_score)): 69 - if isinstance(ins_score[i], tree.Tree): 70 - unrolled_score = select_node(instr["grammars"][ins_score[i].name]) 71 - new_score = ins_score[:i-1] + unrolled_score + ins_score[i+i:] 72 - ins_score = new_score 73 - if i == len(ins_score): 74 - score_complete = True 75 - break 44 + 45 + start = 0 46 + for section in composition.values(): 47 +# for subsection in section 48 + instrs = [] 49 + for instr in section.values(): 50 + sync = None 51 + max_time = instr["duration"] 52 + instr_score = render_instr(instr, sync, max_time) 53 + instrs.append(instr_score) 54 + for line in generate_csound_score(instr_score, instr["score_line"], start): 55 + print line 56 + longest_score = max(instrs, key=lambda i: score_len(i)) 57 + start = score_len(longest_score) 58 + 59 + 60 + 61 +def render_instr(instr, sync, max_time): 62 + grammars = instr["grammars"] 63 + for g in instr["grammars"]: 64 + for i in range(len(grammars[g])): 65 + grammars[g][i] = parse.parse(grammars[g][i]) 66 + init_node = random.choice(instr["grammars"].keys()) 67 + init_score = random.choice(instr["grammars"][init_node]) 68 + score = init_score 69 + while True: 70 + time_remaining = max_time - score_len(score) 71 + try: 72 + score = choose_node(score, grammars, time_remaining) 73 + except ValueError: 74 + break 75 + return score 76 + 77 + 78 +def choose_node(score, grammars, time_remaining): 79 + if time_remaining <= 0: 80 + raise ValueError("No time remaining in the score") 81 + node = None 82 + node_index = None 83 + for item in range(len(score)): 84 + if isinstance(score[item], tree.Tree): 85 + node = score[item].name 86 + node_index = item 87 + if node is None: 88 + raise ValueError("No more nodes to fill in") 89 + options = [] 90 + for g in range(len(grammars[node])): 91 + if score_len(grammars[node][g]) <= time_remaining: 92 + options.append(grammars[node][g]) 93 + if len(options) == 0: 94 + raise ValueError("No available grammars that will fit in the score") 95 + phrase = random.choice(options) 96 + score = score[:node_index-1] + phrase + score[node_index+1:] 97 + return score 98 + 99 + 76 100 77 101 78 - ins_score = [n for n in ins_score if not isinstance(n, tree.Tree)] 79 - composition[comp_name][instr_name]["score"] = ins_score 102 + 80 103 81 - if score_len(ins_score) > max_instr: 82 - max_instr = score_len(ins_score) 83 - for line in generate_csound_score(composition[comp_name][instr_name]["score"], instr["score_line"], movement_start): 84 - print line 85 - 86 - movement_start += max_instr 104 +# movement_start = 0 105 +# progression = "verse1 verse2" 106 +# for comp_name in progression.split(): 107 +# # We need an arbitrary grammar from this instrument to start the score with 108 +# max_instr = 0 109 +# for instr_name, instr in composition[comp_name].iteritems(): 110 +# for grammar in instr["grammars"]: 111 +# for g in range(len(instr["grammars"][grammar])): 112 +# instr["grammars"][grammar][g] = parse.parse(instr["grammars"][grammar][g], default_octave=instr["octave"]) 113 +# g = random.choice(instr["grammars"].keys()) 114 +# ins_score = random.choice(instr["grammars"][g]) 115 +## ins_score = instr["grammars"][g] 116 +# score_complete = False 117 +# while score_complete is False: 118 +# if score_len(ins_score) >= instr["duration"]: 119 +# score_complete = True 120 +# break 121 +# for i in range(len(ins_score)): 122 +# if isinstance(ins_score[i], tree.Tree): 123 +# unrolled_score = select_node(instr["grammars"][ins_score[i].name]) 124 +# new_score = ins_score[:i-1] + unrolled_score + ins_score[i+1:] 125 +# ins_score = new_score 126 +# if i == len(ins_score): 127 +# score_complete = True 128 +# break 129 +# 130 +# 131 +# ins_score = [n for n in ins_score if not isinstance(n, tree.Tree)] 132 +# composition[comp_name][instr_name]["score"] = ins_score 133 +# 134 +# if score_len(ins_score) > max_instr: 135 +# max_instr = score_len(ins_score) 136 +# for line in generate_csound_score(composition[comp_name][instr_name]["score"], instr["score_line"], movement_start): 137 +# print line 138 +# 139 +# movement_start += max_instr 87 140 88 141 89 142 def score_len(score): 90 143 total = 0 91 144 for n in score: 92 145 if not isinstance(n, tree.Tree): 93 146 total += n.duration ................................................................................ 94 147 return total 95 148 96 149 def select_node(grammar): 97 150 return random.choice(grammar) 98 151 99 152 100 153 def generate_score(score, grammars): 101 - pdb.set_trace() 102 154 while 1: 103 155 found_substitution = False 104 156 for key,value in grammars.iteritems(): 105 157 if score.find(key) != -1: 106 158 found_substitution = True 107 159 while score.find(key) != -1: 108 160 score = score.replace(key, random.choice(grammars[key]), 1) ................................................................................ 136 188 if isinstance(token, parse.Chord): # Chords 137 189 for note in token.chord: 138 190 note = csound_note_values[note] 139 191 csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration}) 140 192 elif isinstance(token, parse.Note): # Individual notes 141 193 note = csound_note_values[token.value] 142 194 csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration}) 195 + elif isinstance(token, tree.Tree): 196 + continue 143 197 t += token.duration 144 198 return csound_score 145 199 146 200 147 201 if __name__ == "__main__": main()
Modified test.sco from [5e21d18eb05a5ddb] to [4da964b4dce982b8].
1 1 f1 0 512 10 1 2 2 f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 3 3 f3 0 1025 10 1 4 4 t 0 60 5 5 6 -i2 0.000000 0.250000 7000 8.04 2 7 -i2 0.250000 0.250000 7000 8.09 2 8 -i2 0.500000 0.250000 7000 8.02 2 9 -i2 0.750000 0.250000 7000 8.07 2 10 -i2 1.000000 0.250000 7000 8.05 2 11 -i2 1.250000 0.250000 7000 8.05 2 12 -i2 1.500000 0.250000 7000 8.00 2 13 -i2 1.750000 0.500000 7000 8.07 2 14 -i2 2.250000 0.500000 7000 8.07 2 15 -i2 2.750000 0.500000 7000 8.07 2 16 -i2 3.250000 0.250000 7000 8.00 2 17 -i2 3.500000 0.250000 7000 7.11 2 18 -i2 3.750000 0.250000 7000 9.05 2 19 -i2 4.000000 0.250000 7000 8.00 2 20 -i2 4.250000 0.250000 7000 8.05 2 21 -i2 4.500000 0.250000 7000 8.00 2 22 -i2 4.750000 0.250000 7000 8.11 2 23 -i2 5.000000 0.250000 7000 8.04 2 24 -i2 5.250000 0.250000 7000 8.09 2 25 -i2 5.500000 0.250000 7000 8.02 2 26 -i2 5.750000 0.250000 7000 8.07 2 27 -i2 6.000000 0.250000 7000 8.05 2 28 -i2 6.250000 0.250000 7000 8.05 2 29 -i2 6.500000 0.250000 7000 8.00 2 30 -i2 6.750000 0.500000 7000 8.07 2 31 -i2 7.250000 0.500000 7000 8.07 2 32 -i2 7.750000 0.500000 7000 8.07 2 33 -i2 8.250000 0.250000 7000 8.00 2 34 -i2 8.500000 0.250000 7000 7.11 2 35 -i2 8.750000 0.250000 7000 9.05 2 36 -i2 9.000000 0.250000 7000 8.00 2 37 -i2 9.250000 0.250000 7000 8.05 2 38 -i2 9.500000 0.250000 7000 8.00 2 39 -i2 9.750000 0.250000 7000 8.11 2 40 -i2 10.000000 0.250000 7000 8.05 2 41 -i2 10.250000 0.250000 7000 8.00 2 42 -i2 10.500000 0.250000 7000 8.00 2 43 -i2 10.750000 0.250000 7000 8.00 2 44 -i2 11.000000 0.250000 7000 8.00 2 45 -i2 11.250000 0.500000 7000 8.05 2 46 -i2 11.750000 0.500000 7000 8.05 2 6 +i2 0.000000 0.250000 7000 8.00 2 7 +i2 0.250000 0.500000 7000 8.07 2 8 +i2 0.750000 0.500000 7000 8.07 2 9 +i2 1.250000 0.500000 7000 8.07 2 10 +i2 1.750000 0.250000 7000 8.00 2 11 +i2 2.000000 0.250000 7000 7.11 2 12 +i2 2.250000 0.250000 7000 9.05 2 13 +i2 2.500000 0.250000 7000 8.00 2 14 +i2 2.750000 0.250000 7000 8.05 2 15 +i2 3.000000 0.250000 7000 8.00 2 16 +i2 3.250000 0.250000 7000 8.11 2 17 +i2 3.500000 0.250000 7000 8.04 2 18 +i2 3.750000 0.250000 7000 8.09 2 19 +i2 4.000000 0.250000 7000 8.02 2 20 +i2 4.250000 0.250000 7000 8.07 2 21 +i2 4.500000 0.250000 7000 8.05 2 22 +i2 4.750000 0.250000 7000 8.05 2 23 +i2 5.000000 0.250000 7000 8.00 2 24 +i2 5.250000 0.500000 7000 8.07 2 25 +i2 5.750000 0.500000 7000 8.07 2 26 +i2 6.250000 0.500000 7000 8.07 2 27 +i2 6.750000 0.250000 7000 8.00 2 28 +i2 7.000000 0.250000 7000 7.11 2 29 +i2 7.250000 0.250000 7000 9.05 2 30 +i2 7.500000 0.250000 7000 8.00 2 31 +i2 7.750000 0.250000 7000 8.05 2 32 +i2 8.000000 0.250000 7000 8.00 2 33 +i2 8.250000 0.250000 7000 8.11 2 34 +i2 8.500000 0.250000 7000 8.04 2 35 +i2 8.750000 0.250000 7000 8.09 2 36 +i2 9.000000 0.250000 7000 8.02 2 37 +i2 9.250000 0.250000 7000 8.07 2 38 +i2 9.500000 0.250000 7000 8.05 2 39 +i2 9.750000 0.250000 7000 8.05 2 40 +i2 10.000000 2.000000 7000 8.11 2 41 +i2 12.000000 0.250000 7000 8.00 2 47 42 i2 12.250000 0.250000 7000 8.00 2 48 43 i2 12.500000 0.250000 7000 8.00 2 49 44 i2 12.750000 0.250000 7000 8.00 2 50 -i2 13.000000 0.250000 7000 8.00 2 51 -i2 13.250000 0.500000 7000 8.05 2 52 -i2 13.750000 0.500000 7000 8.05 2 45 +i2 13.000000 0.500000 7000 8.05 2 46 +i2 13.500000 0.500000 7000 8.05 2 47 +i2 14.000000 0.250000 7000 8.00 2 53 48 i2 14.250000 0.250000 7000 8.00 2 54 49 i2 14.500000 0.250000 7000 8.00 2 55 50 i2 14.750000 0.250000 7000 8.00 2 56 -i2 15.000000 0.250000 7000 8.00 2 57 -i2 15.250000 0.500000 7000 8.05 2 58 -i2 15.750000 0.500000 7000 8.05 2 51 +i2 15.000000 0.500000 7000 8.05 2 52 +i2 15.500000 0.500000 7000 8.05 2 53 +i2 16.000000 0.250000 7000 8.00 2 59 54 i2 16.250000 0.250000 7000 8.00 2 60 55 i2 16.500000 0.250000 7000 8.00 2 61 56 i2 16.750000 0.250000 7000 8.00 2 62 -i2 17.000000 0.250000 7000 8.00 2 63 -i2 17.250000 0.500000 7000 8.05 2 64 -i2 17.750000 0.500000 7000 8.05 2 57 +i2 17.000000 0.500000 7000 8.05 2 58 +i2 17.500000 0.500000 7000 8.05 2 59 +i2 18.000000 0.250000 7000 8.00 2 65 60 i2 18.250000 0.250000 7000 8.00 2 66 61 i2 18.500000 0.250000 7000 8.00 2 67 62 i2 18.750000 0.250000 7000 8.00 2 68 -i2 19.000000 0.250000 7000 8.00 2 69 -i2 19.250000 0.500000 7000 8.05 2 70 -i2 19.750000 0.500000 7000 8.05 2 71 -i2 20.250000 0.500000 7000 8.05 2 63 +i2 19.000000 0.500000 7000 8.05 2 64 +i2 19.500000 0.500000 7000 8.05 2 65 +i2 20.000000 0.250000 7000 8.00 2 66 +i2 20.250000 0.250000 7000 8.00 2 67 +i2 20.500000 0.250000 7000 8.00 2 68 +i2 20.750000 0.250000 7000 8.00 2 69 +i2 21.000000 0.500000 7000 8.05 2 70 +i2 21.500000 0.500000 7000 8.05 2 71 +i2 22.000000 0.500000 7000 8.05 2