Overview
| Comment: | Fixed bug that prevented more than two sections from working properly |
|---|---|
| Timelines: | family | ancestors | descendants | both | feature/abc |
| Files: | files | file ages | folders |
| SHA1: |
b2ce9522e9d8cad38398a713e26d4d8f |
| User & Date: | brian on 2011-09-22 18:04:07 |
| Other Links: | branch diff | manifest | tags |
Context
|
2011-09-22
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| 18:30 | Added back in support for subsections check-in: f653a4fa10 user: brian tags: feature/abc | |
| 18:04 | Fixed bug that prevented more than two sections from working properly check-in: b2ce9522e9 user: brian tags: feature/abc | |
| 17:58 | Fixed tempo for realz this time check-in: 4b32d1483b user: brian tags: feature/abc | |
Changes
Modified cfg.py from [b052479df1] to [fb69d16646].
46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 .. 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 .. 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 |
}
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
'''
start = 0
for section in ["verse1", "verse2"]:
section = composition[section]
# for subsection in section
instrs = []
for instr in section.values():
sync = None
max_time = instr["duration"]
instr_score = render_instr(instr, sync, max_time)
instrs.append(instr_score)
for line in generate_csound_score(instr_score, instr["score_line"], start):
print line
longest_score = max(instrs, key=lambda i: score_len(i))
start = score_len(longest_score)
def render_instr(instr, sync, max_time):
grammars = instr["grammars"]
for g in instr["grammars"]:
for i in range(len(grammars[g])):
................................................................................
grammars[g][i] = parse.parse(grammars[g][i])
init_node = random.choice(instr["grammars"].keys())
init_score = random.choice(instr["grammars"][init_node])
score = init_score
while True:
time_remaining = max_time - score_len(score)
try:
score = choose_node(score, grammars, time_remaining)
except ValueError:
break
return score
def choose_node(score, grammars, time_remaining):
if time_remaining <= 0:
raise ValueError("No time remaining in the score")
node = None
node_index = None
for item in range(len(score)):
if isinstance(score[item], tree.Tree):
node = score[item].name
................................................................................
raise ValueError("No more nodes to fill in")
options = []
for g in range(len(grammars[node])):
if score_len(grammars[node][g]) <= time_remaining:
options.append(grammars[node][g])
if len(options) == 0:
raise ValueError("No available grammars that will fit in the score")
phrase = random.choice(options)
score = score[:node_index-1] + phrase + score[node_index+1:]
return score
# 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) >= instr["duration"]:
# 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+1:]
# 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
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):
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)
# print scoe
if len(score.split()) > 2000:
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",
|
| | | | | > > > | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < |
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}
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
'''
section_start = 0
for section in ["verse1", "verse2"]:
section = composition[section]
# for subsection in section
instrs = []
for instr in section.values():
sync = None
max_time = instr["duration"]
instr_score = render_instr(instr, sync, max_time)
instrs.append(instr_score)
for line in generate_csound_score(instr_score, instr["score_line"], section_start):
print line
longest_score = max(instrs, key=lambda i: score_len(i))
section_start += score_len(longest_score)
def render_instr(instr, sync, max_time):
grammars = instr["grammars"]
for g in instr["grammars"]:
for i in range(len(grammars[g])):
................................................................................
grammars[g][i] = parse.parse(grammars[g][i])
init_node = random.choice(instr["grammars"].keys())
init_score = random.choice(instr["grammars"][init_node])
score = init_score
while True:
time_remaining = max_time - score_len(score)
try:
score = choose_node(score, grammars, time_remaining, sync)
except ValueError:
break
return score
def choose_node(score, grammars, time_remaining, sync):
if time_remaining <= 0:
raise ValueError("No time remaining in the score")
node = None
node_index = None
for item in range(len(score)):
if isinstance(score[item], tree.Tree):
node = score[item].name
................................................................................
raise ValueError("No more nodes to fill in")
options = []
for g in range(len(grammars[node])):
if score_len(grammars[node][g]) <= time_remaining:
options.append(grammars[node][g])
if len(options) == 0:
raise ValueError("No available grammars that will fit in the score")
if sync:
else:
phrase = random.choice(options)
score = score[:node_index-1] + phrase + score[node_index+1:]
return score
def score_len(score):
total = 0
for n in score:
if not isinstance(n, tree.Tree):
total += n.duration
return total
def generate_csound_score(score, score_line, t):
csound_note_values = {
"C": "00",
"C#": "01",
"D": "02",
"D#": "03",
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