46 } 46 } 47 print '''f1 0 512 10 1 47 print '''f1 0 512 10 1 48 f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 48 f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08 49 f3 0 1025 10 1 49 f3 0 1025 10 1 50 t 0 60 50 t 0 60 51 ''' 51 ''' 52 52 53 start = 0 | 53 section_start = 0 54 for section in ["verse1", "verse2"]: 54 for section in ["verse1", "verse2"]: 55 section = composition[section] 55 section = composition[section] 56 # for subsection in section 56 # for subsection in section 57 instrs = [] 57 instrs = [] 58 for instr in section.values(): 58 for instr in section.values(): 59 sync = None 59 sync = None 60 max_time = instr["duration"] 60 max_time = instr["duration"] 61 instr_score = render_instr(instr, sync, max_time) 61 instr_score = render_instr(instr, sync, max_time) 62 instrs.append(instr_score) 62 instrs.append(instr_score) 63 for line in generate_csound_score(instr_score, instr["score_line"], | 63 for line in generate_csound_score(instr_score, instr["score_line"], 64 print line 64 print line 65 longest_score = max(instrs, key=lambda i: score_len(i)) 65 longest_score = max(instrs, key=lambda i: score_len(i)) 66 start = score_len(longest_score) | 66 section_start += score_len(longest_score) 67 67 68 68 69 69 70 def render_instr(instr, sync, max_time): 70 def render_instr(instr, sync, max_time): 71 grammars = instr["grammars"] 71 grammars = instr["grammars"] 72 for g in instr["grammars"]: 72 for g in instr["grammars"]: 73 for i in range(len(grammars[g])): 73 for i in range(len(grammars[g])): ................................................................................................................................................................................ 74 grammars[g][i] = parse.parse(grammars[g][i]) 74 grammars[g][i] = parse.parse(grammars[g][i]) 75 init_node = random.choice(instr["grammars"].keys()) 75 init_node = random.choice(instr["grammars"].keys()) 76 init_score = random.choice(instr["grammars"][init_node]) 76 init_score = random.choice(instr["grammars"][init_node]) 77 score = init_score 77 score = init_score 78 while True: 78 while True: 79 time_remaining = max_time - score_len(score) 79 time_remaining = max_time - score_len(score) 80 try: 80 try: 81 score = choose_node(score, grammars, time_remaining) | 81 score = choose_node(score, grammars, time_remaining, sync) 82 except ValueError: 82 except ValueError: 83 break 83 break 84 return score 84 return score 85 85 86 86 87 def choose_node(score, grammars, time_remaining): | 87 def choose_node(score, grammars, time_remaining, sync): 88 if time_remaining <= 0: 88 if time_remaining <= 0: 89 raise ValueError("No time remaining in the score") 89 raise ValueError("No time remaining in the score") 90 node = None 90 node = None 91 node_index = None 91 node_index = None 92 for item in range(len(score)): 92 for item in range(len(score)): 93 if isinstance(score[item], tree.Tree): 93 if isinstance(score[item], tree.Tree): 94 node = score[item].name 94 node = score[item].name ................................................................................................................................................................................ 97 raise ValueError("No more nodes to fill in") 97 raise ValueError("No more nodes to fill in") 98 options = [] 98 options = [] 99 for g in range(len(grammars[node])): 99 for g in range(len(grammars[node])): 100 if score_len(grammars[node][g]) <= time_remaining: 100 if score_len(grammars[node][g]) <= time_remaining: 101 options.append(grammars[node][g]) 101 options.append(grammars[node][g]) 102 if len(options) == 0: 102 if len(options) == 0: 103 raise ValueError("No available grammars that will fit in the score") 103 raise ValueError("No available grammars that will fit in the score") > 104 if sync: > 105 > 106 else: 104 phrase = random.choice(options) | 107 phrase = random.choice(options) 105 score = score[:node_index-1] + phrase + score[node_index+1:] 108 score = score[:node_index-1] + phrase + score[node_index+1:] 106 return score 109 return score 107 110 108 < 109 < 110 < 111 < 112 < 113 # movement_start = 0 < 114 # progression = "verse1 verse2" < 115 # for comp_name in progression.split(): < 116 # # We need an arbitrary grammar from this instrument to start the score < 117 # max_instr = 0 < 118 # for instr_name, instr in composition[comp_name].iteritems(): < 119 # for grammar in instr["grammars"]: < 120 # for g in range(len(instr["grammars"][grammar])): < 121 # instr["grammars"][grammar][g] = parse.parse(instr["grammars < 122 # g = random.choice(instr["grammars"].keys()) < 123 # ins_score = random.choice(instr["grammars"][g]) < 124 ## ins_score = instr["grammars"][g] < 125 # score_complete = False < 126 # while score_complete is False: < 127 # if score_len(ins_score) >= instr["duration"]: < 128 # score_complete = True < 129 # break < 130 # for i in range(len(ins_score)): < 131 # if isinstance(ins_score[i], tree.Tree): < 132 # unrolled_score = select_node(instr["grammars"][ins_scor < 133 # new_score = ins_score[:i-1] + unrolled_score + ins_scor < 134 # ins_score = new_score < 135 # if i == len(ins_score): < 136 # score_complete = True < 137 # break < 138 # < 139 # < 140 # ins_score = [n for n in ins_score if not isinstance(n, tree.Tree)] < 141 # composition[comp_name][instr_name]["score"] = ins_score < 142 # < 143 # if score_len(ins_score) > max_instr: < 144 # max_instr = score_len(ins_score) < 145 # for line in generate_csound_score(composition[comp_name][instr_name < 146 # print line < 147 # < 148 # movement_start += max_instr < 149 < 150 111 151 def score_len(score): 112 def score_len(score): 152 total = 0 113 total = 0 153 for n in score: 114 for n in score: 154 if not isinstance(n, tree.Tree): 115 if not isinstance(n, tree.Tree): 155 total += n.duration 116 total += n.duration 156 return total 117 return total 157 118 158 def select_node(grammar): < 159 return random.choice(grammar) < 160 < 161 < 162 def generate_score(score, grammars): < 163 while 1: < 164 found_substitution = False < 165 for key,value in grammars.iteritems(): < 166 if score.find(key) != -1: < 167 found_substitution = True < 168 while score.find(key) != -1: < 169 score = score.replace(key, random.choice(grammars[key]), 1) < 170 # print scoe < 171 if len(score.split()) > 2000: < 172 for k in grammars.keys(): < 173 score = score.replace(k, "") < 174 return score < 175 if found_substitution is False: < 176 break < 177 return score < 178 < 179 119 180 def generate_csound_score(score, score_line, t): 120 def generate_csound_score(score, score_line, t): 181 csound_note_values = { 121 csound_note_values = { 182 "C": "00", 122 "C": "00", 183 "C#": "01", 123 "C#": "01", 184 "D": "02", 124 "D": "02", 185 "D#": "03", 125 "D#": "03",