14 print bps 14 print bps 15 tempo = 1/bps 15 tempo = 1/bps 16 max_duration = 1 16 max_duration = 1 17 17 18 composition = { 18 composition = { 19 "a": { # Movement block 'a' for reuse throughout the piece 19 "a": { # Movement block 'a' for reuse throughout the piece 20 "melody": { # Instrument 'melody' 20 "melody": { # Instrument 'melody' 21 "csound_parameters": { | 21 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 22 "instrument": 1, < 23 }, < 24 "grammars": { # Notes for this instrument to use in this piece 22 "grammars": { # Notes for this instrument to use in this piece 25 "u": ["I V V V I I IV u u", "I IV u u", "I VII IV u u" , "e 23 "u": ["I V V V I I IV u u", "I IV u u", "I VII IV u u" , "e 26 "e": [""], 24 "e": [""], 27 }, 25 }, 28 "score": "u u u u u", 26 "score": "u u u u u", 29 }, 27 }, 30 "rhythm": { 28 "rhythm": { 31 "csound_parameters": { | 29 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 32 "instrument": 1, < 33 }, < 34 "grammars": { 30 "grammars": { 35 "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "I" u u', '"I" "vi 31 "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "I" u u', '"I" "vi 36 # "u": ['"i" "I" "ii" "II" "v" "V" u', "e"], 32 # "u": ['"i" "I" "ii" "II" "v" "V" u', "e"], 37 "e": [""] 33 "e": [""] 38 }, 34 }, 39 "score": "u u u", 35 "score": "u u u", 40 }, 36 }, 41 }, 37 }, 42 "b": { 38 "b": { 43 "melody": { # Instrument 'melody' 39 "melody": { # Instrument 'melody' 44 "csound_parameters": { | 40 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 45 "instrument": 1, < 46 }, < 47 "grammars": { # Notes for this instrument to use in this piece 41 "grammars": { # Notes for this instrument to use in this piece 48 "u": ["I V I I/2 IV/2 u u", "I2 IV u u", "I IV IV VI V u u" 42 "u": ["I V I I/2 IV/2 u u", "I2 IV u u", "I IV IV VI V u u" 49 # "u": ["I IV I V u u u", "e"], < 50 "e": [""], 43 "e": [""], 51 }, 44 }, 52 "score": "u u u", 45 "score": "u u u", 53 }, 46 }, 54 "rhythm": { 47 "rhythm": { 55 "csound_parameters": { | 48 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 56 "instrument": 1, < 57 }, < 58 "grammars": { 49 "grammars": { 59 "u": ['"I" "IV"/2 "V"2 "IV" "I" u u', '"I" "VII" "IV" u u', 50 "u": ['"I" "IV"/2 "V"2 "IV" "I" u u', '"I" "VII" "IV" u u', 60 "e": [""] 51 "e": [""] 61 }, 52 }, 62 "score": "u u u", 53 "score": "u u u", 63 }, 54 }, 64 }, 55 }, ................................................................................................................................................................................ 72 generated_score = generate_score(instr["score"], instr["grammars"]) 63 generated_score = generate_score(instr["score"], instr["grammars"]) 73 score = parse.parse(generated_score) # Return Node/Chord objects 64 score = parse.parse(generated_score) # Return Node/Chord objects 74 65 75 # Generate timestamps for the notes 66 # Generate timestamps for the notes 76 t = instr_start_time 67 t = instr_start_time 77 for note in range(len(score)): 68 for note in range(len(score)): 78 score[note].time = t 69 score[note].time = t 79 # print "Original duration:", score[note].duration < 80 score[note].duration *= tempo 70 score[note].duration *= tempo 81 # print "New duration:", score[note].duration < 82 t += score[note].duration 71 t += score[note].duration 83 # print "t:", t < 84 max_t = t if t > max_t else max_t 72 max_t = t if t > max_t else max_t 85 composition[comp_name][instr_name]["score"] = score 73 composition[comp_name][instr_name]["score"] = score 86 74 87 # Must be done after all note times keyed in, else you can't coordinate melo 75 # Must be done after all note times keyed in, else you can't coordinate melo 88 for comp_name in progression.split(): 76 for comp_name in progression.split(): 89 for instr_name, instr in composition[comp_name].iteritems(): 77 for instr_name, instr in composition[comp_name].iteritems(): 90 composition[comp_name][instr_name]["score"] = transliterate_score(co 78 composition[comp_name][instr_name]["score"] = transliterate_score(co 91 # print "\nMovement %s instrument %s" % (comp_name, instr_name) 79 # print "\nMovement %s instrument %s" % (comp_name, instr_name) 92 # print composition[comp_name][instr_name]["score"] 80 # print composition[comp_name][instr_name]["score"] 93 print "f1 0 256 10 1 0 3 ; sine wave function table" 81 print "f1 0 256 10 1 0 3 ; sine wave function table" 94 final_score = generate_csound_score(composition[comp_name][instr_nam | 82 final_score = generate_csound_score(composition[comp_name][instr_nam 95 for line in final_score: 83 for line in final_score: 96 print line 84 print line 97 85 98 86 99 def make_scale(key): 87 def make_scale(key): 100 notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"] 88 notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"] 101 scale = [key] 89 scale = [key] ................................................................................................................................................................................ 150 chord.append(scale[(root_note_index+5) % 8]) 138 chord.append(scale[(root_note_index+5) % 8]) 151 score[i].chord = chord 139 score[i].chord = chord 152 elif isinstance(score[i], parse.Rest): 140 elif isinstance(score[i], parse.Rest): 153 pass 141 pass 154 return score 142 return score 155 143 156 144 157 def generate_csound_score(score): | 145 def generate_csound_score(score, score_line): 158 csound_note_values = { 146 csound_note_values = { 159 "C": "00", 147 "C": "00", 160 "C#": "01", 148 "C#": "01", 161 "D": "02", 149 "D": "02", 162 "D#": "03", 150 "D#": "03", 163 "E": "04", 151 "E": "04", 164 "F": "05", 152 "F": "05", ................................................................................................................................................................................ 170 "B": "11", 158 "B": "11", 171 } 159 } 172 csound_score = [] 160 csound_score = [] 173 for token in score: 161 for token in score: 174 if isinstance(token, parse.Chord): # Chords 162 if isinstance(token, parse.Chord): # Chords 175 for note in token.chord: 163 for note in token.chord: 176 note = csound_note_values[note] 164 note = csound_note_values[note] 177 csound_score.append("i2 %(time)f %(duration)f 7000 %(octave)d.%( | 165 # csound_score.append("i2 %(time)f %(duration)f 7000 %(octave)d.% > 166 csound_score.append(score_line % {"time": token.time, "octave": 178 elif isinstance(token, parse.Note): # Individual notes 167 elif isinstance(token, parse.Note): # Individual notes 179 note = csound_note_values[token.value] 168 note = csound_note_values[token.value] > 169 csound_score.append(score_line % {"time": token.time, "octave": rand 180 csound_score.append("i2 %(time)f %(duration)f 7000 %(octave)d.%(note | 170 # csound_score.append("i2 %(time)f %(duration)f 7000 %(octave)d.%(not 181 return csound_score 171 return csound_score 182 172 183 173 184 if __name__ == "__main__": main() 174 if __name__ == "__main__": main()