Overview
Comment: | Fixed bug that prevented more than two sections from working properly |
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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].
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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 ''' 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", |