#!/usr/bin/env python
import os
import random
import sys
import time
random.seed(time.time())
grammars = {
"u": ["I V I IV u", "e"],
"e": [""],
}
# Generate the scale for the key we're in
comp_key = "C"
notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
scale = [comp_key]
pos = notes.index(comp_key)
progression = [2,2,1,2,2,2,1]
for p in progression:
pos = (pos + p) % 12
scale.append(notes[pos])
scale_conversion = {
"I": 1,
"II": 2,
"III": 3,
"IV": 4,
"V": 5,
"VI": 6,
"VII": 7,
"VIII": 8,
}
csound_note_values = {
"C": "00",
"C#": "01",
"D": "02",
"D#": "03",
"E": "04",
"F": "05",
"F#": "06",
"G": "07",
"F#": "08",
"A": "09",
"A#": "10",
"B": "11",
}
score = "u u u"
print score
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 score
# time.sleep(.25)
if found_substitution is False:
break
csound_score = []
for token in score.split():
csound_score.append(scale[scale_conversion[token]-1])
print csound_score
t = 0
for token in csound_score:
note = csound_note_values[token]
print "i2 %f 2 7000 %d.%s %d.%s 0 6" % (t, random.choice([8,9]), note, random.choice([8,9]), note)
t += .25