Index: cfg.py ================================================================== --- cfg.py +++ cfg.py @@ -48,24 +48,24 @@ f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 f3 0 1025 10 1 t 0 60 ''' - start = 0 + 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"], start): + 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)) - start = score_len(longest_score) + section_start += score_len(longest_score) def render_instr(instr, sync, max_time): grammars = instr["grammars"] @@ -76,17 +76,17 @@ 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) + score = choose_node(score, grammars, time_remaining, sync) except ValueError: break return score -def choose_node(score, grammars, time_remaining): +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)): @@ -99,85 +99,25 @@ 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) + if sync: + + else: + 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",