Changes In Branch develop Through [8f28834102] Excluding Merge-Ins
This is equivalent to a diff from 689adc054e to 8f28834102
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2011-12-04
| ||
| 20:52 | Made room for arbitrary-note chording whenever I figure out the CFY to represent iTSYntax to use for it Leaf check-in: 3023a967c2 user: brian tags: develop | |
|
2011-11-27
| ||
| 02:56 | Fixed chord support check-in: 8f28834102 user: brian tags: develop | |
| 02:26 | Fixed a bug that prevented sharps and flats from working check-in: bf135b5321 user: brian tags: develop | |
|
2011-06-12
| ||
| 20:32 | Made some changes to the parser. Don't remember what. Leaf check-in: 87435601e4 user: brian tags: master | |
| 20:31 | Create new branch named "develop" check-in: 9f4c4666c5 user: brian tags: develop | |
|
2011-02-10
| ||
| 23:50 | Program generates a render order for the instruments based on their sync order check-in: 689adc054e user: brian@linux-85dd.site tags: master | |
| 22:34 | Added lexical support for parens instead of quotes for chords, cleaned up the yacc parser, added lex tokens for syncopation check-in: 702d933446 user: brian@linux-85dd.site tags: master | |
Deleted cfg.orc version [9f49be1cae].
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Deleted cfg.py version [e9b556b4f3].
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Deleted cfg.sco version [c92bf3908c].
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Modified parse.py from [3ec57c3fbe] to [0884d30f89].
1 2 3 4 | #!/usr/bin/env python from ply import lex, yacc class Note(): | > > | > | | > > < | | < < | | | > | | | | > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 |
#!/usr/bin/env python
import tree
from ply import lex, yacc
class Note():
def __init__(self, value, duration=1, octave=8):
self.duration = duration
if value > 12:
self.duration += 1
value = value % 12
self.value = value
self.octave = octave
def __repr__(self):
return "Note %s %s %s" % (self.value, self.duration, self.octave)
class Chord():
def __init__(self, notes, duration=1):
self.notes = notes
self.duration = duration
def __repr__(self):
return "Chord %s" % (self.notes)
class Rest():
def __init__(self, duration=1):
self.duration = duration
def __repr__(self):
return "Rest node %s" % self.duration
def parse(score, default_octave=8):
# Tokenize (lex)
tokens = (
"NOTE_LENGTH",
"BASENOTE",
"ACCIDENTAL",
"REST",
"OCTAVE",
"CHORD_TYPE",
"BRACKET",
"SYNCOPATE",
"NODE",
)
t_ignore = " |"
t_BASENOTE = r"[A-Ga-g]"
# t_BASENOTE = r"I+V?|VI*|i+v?|vi*"
t_ACCIDENTAL = r"\^{1}|_{1}|="
t_REST = r"z"
t_OCTAVE = r"'+|,+"
t_CHORD_TYPE = r"m|7|m7|0|o|\+|mb5|sus|sus4|maj7|mmaj7|7sus4|dim|dim7|7b5|m7b5|6|b6|m6|mb6|46|maj9|9|add9|7b9|m9"
t_BRACKET = r"\[|\]"
t_SYNCOPATE = "\+|-"
t_NODE = r"\([a-zA-Z0-9_-]+\)"
def t_NOTE_LENGTH(t):
r"/?\d+"
multiplier = float(t.value.strip("/"))
if t.value.startswith("/"):
multiplier = 1/multiplier
t.value = multiplier
|
| ︙ | ︙ | |||
67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 |
# Parse (yacc)
def p_note_list(p):
'''score : score note
| score chord
| score rest
'''
p[0] = p[1] + [p[2]]
def p_score(p):
'''score : note
| chord
| rest
'''
p[0] = [p[1]]
def p_chord_length(p):
''' chord : chord NOTE_LENGTH
'''
| > > | 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 |
# Parse (yacc)
def p_note_list(p):
'''score : score note
| score chord
| score rest
| score node
'''
p[0] = p[1] + [p[2]]
def p_score(p):
'''score : note
| chord
| rest
| node
'''
p[0] = [p[1]]
def p_chord_length(p):
''' chord : chord NOTE_LENGTH
'''
|
| ︙ | ︙ | |||
95 96 97 98 99 100 101 |
'''
new_note = p[1]
new_note.duration = p[2]
p[0] = new_note
def p_chord(p):
| | | | > | > | | | | > > > > > > > > > > > > > | > > > > > > > > > | 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 |
'''
new_note = p[1]
new_note.duration = p[2]
p[0] = new_note
def p_chord(p):
'''chord : BRACKET note BRACKET
| BRACKET note CHORD_TYPE BRACKET
'''
root_note = p[2].value
chorded_notes = []
for offset in [0, 4, 7]:
chorded_notes.append(Note(root_note+offset, octave=p[2].octave))
p[0] = Chord(notes=chorded_notes)
def p_note_syncopate(p):
''' note : note SYNCOPATE
'''
note.syncopate = p[2]
def p_accidental(p):
'''note : ACCIDENTAL note
'''
if p[1] == "^":
p[2].value += 1
else:
p[2].value -= 1
p[0] = p[2]
def p_octave(p):
'''note : note OCTAVE
'''
count = len(p[2])
increment_or_decrement = 1 if p[2].startswith("'") else -1
p[1].octave += (count * increment_or_decrement)
p[0] = p[1]
def p_note(p):
'''note : BASENOTE
'''
notes = {
"C": 0,
"D": 2,
"E": 4,
"F": 5,
"G": 7,
"A": 9,
"B": 11
}
n = notes[p[1]]
p[0] = Note(n, octave=default_octave)
def p_rest(p):
''' rest : REST
| REST NOTE_LENGTH
'''
p[0] = Rest()
if len(p) > 2:
p[0].duration = p[2]
def p_node(p):
'''node : NODE
'''
p[0] = tree.Tree(p[1].strip("(").strip(")"))
def p_error(p):
# import ipdb
# ipdb.set_trace()
print p
raise Exception("Syntax error at '%s' of element type %s" % (p.value, p.type))
yacc.yacc()
return yacc.parse(score)
|
Added score.yaml version [29fd4ba47c].
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 |
---
chorus:
core:
rhythm:
csound_line: i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6
max_duration: 80
sync: timbre
octave: 7
sustain: 1
grammars:
u:
- (I) (ii)/4 (ii)/4 (IV)/2 (V)2 (IV) (ii) x u
- (I) (vii) (III) y u
- (I) (v) (IV) u u
w: (i) (VII)2 (VI)/4 (V)/4 (i)/4 (VII)2 (VI) (V) w u
x: (III/2) (VI)/2 (III)/2 (vii)2 (i)2 (V) u
y: (I) (vi)2 (IV) (V) y y u
timbre:
csound_line: i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3
max_duration: 80
sync: melody
sustain: 1
octave: 6
grammars:
u:
- I2+ VII2 V2 VI2 I2 IV/2 V/2 III2 u
- I2- IV2 V2 IV I V2 III2 II2. u
melody:
csound_line: i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2
max_duration: 80
octave: 8
grammars:
u:
- I V/2 V/2 V/2 I VII
- IV' I IV I VII IV
w: III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2
x: I/2 I/2 VI IV/2 V2 z I/2 I/2 VI IV/2 V
|
Added spiffyscore.py version [11e8d97d43].
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 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 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 |
#!/usr/bin/env python
from __future__ import division
import ipdb
import os
import random
import sys
import time
from midiutil.MidiFile import MIDIFile as midifile
import parse
import topsort
import yaml
import tree
random.seed(time.time())
mymidi = midifile(15)
def main():
composition = {
"intro": {
"body": {
"percusion": {
"channel": 14, # Orchestra kit
"octave": 4,
"duration": 60,
"grammars": {
"u": ["A ^A (u)"]
}
},
"pan_flute": {
"channel": 8,
"octave": 5,
"duration": 60,
"vol_offset": -15,
"grammars": { # Notes for this instrument to use in this piece
"u": ["[C2'] C2' | [A3] A3 (u)"],
# "u": ["[C2'] [B2] | [A3] D3 || B | C' | D | C2' C2' | z | (u)", "C2' C2' | C2' C2' | (x)"],
# "v": ["G2 F2 | E2 F2 | D5 (u)", "B/4 C/4' B/4 A/4 | D2 D2 | z | (u)"],
# "x": ["z4 | (v)"],
},
},
"bass": {
"channel": 4,
"sync": "pan_flute",
"octave": 2,
"duration": 60,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C/2 C/2 C/2 z/2 (u)"],
},
},
"horn_timbre1": {
"channel": 13, # 'Atmosphere'
"octave": 2,
"duration": 60,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C4 D4 (u)"],
},
},
"horn_timbre2": {
"channel": 13,
"octave": 2,
"duration": 60,
"grammars": { # Notes for this instrument to use in this piece
"u": ["G4 A4 (u)"],
},
},
},
},
"section1": {
"body": {
"guitar": { # Instrument 'melody'
"channel": 6,
"octave": 5,
"duration": 60,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C | E | A | F | G | z | (u)", "C | E | A | F | G | z | (v)"],
"v": ["A/2 D/2 | G/2 C/2 | F/2 B/2 | E/2 | z/2 | (u)"],
},
},
"bass": { # Instrument 'bass'
"channel": 4,
"sync": "guitar",
"octave": 2,
"duration": 60,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C/2 C/2 | C/2 z/2 | (u)"],
},
},
"horn_timbre1": {
"channel": 13,
"octave": 2,
"duration": 60,
"grammars": { # Notes for this instrument to use in this piece
"u": ["C4 D4 (u)"],
},
},
"horn_timbre2": {
"channel": 13,
"octave": 2,
"duration": 60,
"grammars": { # Notes for this instrument to use in this piece
"u": ["G4 A4 (u)"],
},
},
},
},
}
section_start = 0
for section_name in ["intro", "section1"]:
print "Section " + section_name
subsection_start = section_start
section = composition[section_name]
for subsection in ["intro", "body", "outro"]:
if not section.has_key(subsection):
continue
print "\tSubsection " + subsection
subsection = section[subsection]
unordered_instrs = []
for instr in subsection:
subsection[instr]["name"] = instr
if not "sync" in subsection[instr].keys():
subsection[instr]["sync"] = None
unordered_instrs.append([subsection[instr]["sync"], instr])
ordered_instrs = topsort.topsort(unordered_instrs)
ordered_instrs.remove(None) # None used as a placeholder for sort order for instruments with no sync setting
for sync_instr in ordered_instrs:
if sync_instr not in subsection.keys():
raise KeyError("The sync instrument '%s' does not exist in this subsection" % sync_instr)
instrs = []
syncs = {}
track = 0
for instr in ordered_instrs:
print "\t\tInstrument " + instr
# if instr == "guitar":
# ipdb.set_trace()
instr = subsection[instr]
max_time = instr["duration"]
instr_score, syncs = render_instr(instr, syncs, max_time)
instrs.append(instr_score)
volume = 100
if instr.has_key("vol_offset"):
volume += instr["vol_offset"]
midify_instr_score(instr_score, track, instr["channel"], subsection_start, volume=volume)
longest_score = max(instrs, key=lambda i: score_len(i))
subsection_start += score_len(longest_score)
section_start += score_len(longest_score)
track += 1
with open("out.mid", "wb") as outfile:
mymidi.writeFile(outfile)
def render_instr(instr, syncs, max_time):
for g in instr["grammars"]:
for i in range(len(instr["grammars"][g])):
instr["grammars"][g][i] = parse.parse(instr["grammars"][g][i], default_octave=instr["octave"])
score= []
try:
score, syncs = choose_phrase(instr, syncs, 0, max_time, None)
while True:
score_index_to_replace = None
for item in range(len(score)): # Optimize this by caching the index of the last node I replaced and startng there
if isinstance(score[item], tree.Tree): # Also, make this use the find_next_node() function (or whatever I called it)
score_index_to_replace = item
if score_index_to_replace is None:
raise ValueError("No more nodes to fill in")
time_remaining = max_time - score_len(score)
new_phrase, syncs = choose_phrase(instr, syncs, score_len(score), time_remaining, score)
score = score[:score_index_to_replace] + new_phrase + score[score_index_to_replace+1:]
except ValueError:
return (score, syncs)
def choose_phrase(instr, syncs, current_time, time_remaining, score):
'''Filters grammars for ones that match the sync option, and phrases that fit the time remaining in the score'''
time_filtered_grammars = {}
for grammar in instr["grammars"]:
fitting_phrases = get_phrases_that_fit(instr["grammars"][grammar], time_remaining)
if len(fitting_phrases) > 0:
time_filtered_grammars[grammar] = fitting_phrases
if len(time_filtered_grammars.keys()) == 0:
raise ValueError("No available grammars that will fit in the score")
grammar = None
if instr["sync"] is not None:
guiding_instr = instr["sync"]
sync_node = get_sync_node_at_time(syncs[guiding_instr], current_time)
if sync_node in time_filtered_grammars.keys():
grammar = sync_node
else:
grammar = random.choice(time_filtered_grammars.keys())
if score is None:
grammar = random.choice(time_filtered_grammars.keys())
elif instr["sync"] is None:
grammar = get_next_node(score);
if grammar not in instr["grammars"].keys():
raise Exception("You tried to direct a grammar to a node that doesn't exist")
if grammar not in time_filtered_grammars.keys():
return [], syncs
phrases = time_filtered_grammars[grammar]
if instr["name"] not in syncs.keys():
syncs[instr["name"]] = []
syncs[instr["name"]].append({"node": grammar, "time": current_time})
return random.choice(phrases), syncs
def get_phrases_that_fit(grammar, time_remaining):
valid_phrases = []
for phrase in grammar:
if score_len(phrase) <= time_remaining:
valid_phrases.append(phrase)
return valid_phrases
def get_sync_node_at_time(syncs, t):
for s in range(len(syncs)):
if syncs[s]["time"] >= t:
return syncs[s]["node"]
def get_next_node(score):
for token in score:
if isinstance(token, tree.Tree):
return token.name
def score_len(score):
total = 0
for n in score:
if not isinstance(n, tree.Tree):
total += n.duration
return total
def get_midi_note(octave, note):
return note + 12 * (octave+1)
def midify_instr_score(score, track, channel, t, volume):
# Assume get_midi_note()
global mymidi
for token in score:
if isinstance(token, parse.Chord):
for note in token.notes:
note = get_midi_note(note.octave, note.value)
mymidi.addNote(track=track, channel=channel,pitch=note, time=t, duration=token.duration, volume=volume)
elif isinstance(token, parse.Note): # Individual notes
note = get_midi_note(token.octave, token.value)
mymidi.addNote(track=track, channel=channel,pitch=note, time=t, duration=token.duration, volume=volume)
elif isinstance(token, tree.Tree):
continue
t += token.duration
return []
if __name__ == "__main__": main()
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Deleted test.sco version [c92bf3908c].
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Deleted todo.org version [510751b73f].
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Added tree.py version [29c78902c8].
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import pdb
class Tree():
def __init__(self, name):
self.nodes = []
self.name = name
def traverse_depth_first(self):
all_nodes = []
for node in self.nodes:
if isinstance(node, Node):
all_nodes.append(node)
elif isinstance(node, Tree):
# pdb.set_trace()
all_nodes.extend(node.traverse_depth_first())
return all_nodes
def __str__(self):
return str(self.__unicode__())
def __unicode__(self):
return self.nodes
class Node():
def __init__(self, parent, data):
self.parent = parent
self.data = data
def __str__(self):
return str(self.__unicode__())
def __unicode__(self):
return self.data
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