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Comment:Added basic ABC tokenizing via the PLY module
Timelines: family | ancestors | descendants | both | ply
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SHA1: 729263ecd0a0667808ef21000d72bce85c8a89a2
User & Date: spiffytech@gmail.com on 2010-11-13 08:26:53
Other Links: branch diff | manifest | tags
Context
2010-11-13
08:28
Added basic ABC tokenizing via the PLY module check-in: ff84293301 user: spiffytech@gmail.com tags: ply
08:26
Added basic ABC tokenizing via the PLY module check-in: 729263ecd0 user: spiffytech@gmail.com tags: ply
00:12
Now handles chords check-in: 5aa14570f1 user: spiffytech@gmail.com tags: ply
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified cfg.py from [43fd8f5bb3] to [df0a6863be]. 

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import os
import random
import sys
import time
random.seed(time.time())

def main():
    key = "C"
    note_grammars = {
        "u": ["I V I IV u", "I IV", "I VII IV"  , "e"],
        "e": [""],
    }
    chord_grammars = {
        "u": ["I IV V IV I", "e"],
        "e": [""]
    }
    compose_piece(key, note_grammars)
    compose_piece(key, chord_grammars, chords=True)

def compose_piece(key, grammars, chords=False):
    score = ""
    while len(score.split()) < 15:
        score = "u u u"
        score = generate_score(score, grammars)
    score = transliterate_score(score, key, chords)
    score = generate_csound_score(score)
    print "f1  0   256 10  1 0 3   ; sine wave function table"
    for line in score:
        print line








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import os
import random
import sys
import time
random.seed(time.time())

def main():
    key = "A"
    note_grammars = {
        "u": ["I V V V I I IV u u", "I IV u u", "I VII IV u u"  , "e"],
        "e": [""],
    }
    chord_grammars = {
        "u": ["I IV V IV I u u", "I VII IV u u", "I V IV u u", "e"],
        "e": [""]
    }
    compose_piece(key, note_grammars)
    compose_piece(key, chord_grammars, chords=True)

def compose_piece(key, grammars, chords=False):
    score = ""
    while len(score.split()) < 200:
        score = "u u u"
        score = generate_score(score, grammars)
    score = transliterate_score(score, key, chords)
    score = generate_csound_score(score)
    print "f1  0   256 10  1 0 3   ; sine wave function table"
    for line in score:
        print line

Added parse.py version [7bbfef5961]. 

















































































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#!/usr/bin/env python

from ply import lex

tokens = (
    "NOTE",
    "REST",
    "SHARP",
    "FLAT",
    "OCTAVE",
    "NATURAL",
    "LENGTH",
)

t_NOTE = r"[A-Ga-g]"
t_REST = r"z"
t_SHARP = r"\^"
t_FLAT = r"_"
t_NATURAL = r"="
t_OCTAVE = r"'+|,+"

def t_LENGTH(t):
    r"/?\d+"
    multiplier = float(t.value.strip("/"))
    if t.value.startswith("/"):
        multiplier = 1/multiplier
    t.value = multiplier
    return t

def t_error(t):
    raise TypeError("Unknown text '%s'" % (t.value,))

t_ignore = " |"

lex.lex()

lex.input("GFG B'AB,, | g/2fg gab | GFG BAB | d2A AFD")
for tok in iter(lex.token, None):
    print repr(tok.type), repr(tok.value)

Modified test.sco from [3dafd59328] to [da39a3ee5e]. 

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f1  0   256 10  1 0 3   ; sine wave function table
i2 0.000000 1 7000 9.00 9.00 0 6
i2 0.250000 1 7000 8.07 8.07 0 6
i2 0.500000 1 7000 8.00 8.00 0 6
i2 0.750000 1 7000 8.05 8.05 0 6
i2 1.000000 1 7000 9.00 9.00 0 6
i2 1.250000 1 7000 9.07 9.07 0 6
i2 1.500000 1 7000 8.00 8.00 0 6
i2 1.750000 1 7000 8.05 8.05 0 6
i2 2.000000 1 7000 8.00 8.00 0 6
i2 2.250000 1 7000 9.11 9.11 0 6
i2 2.500000 1 7000 8.05 8.05 0 6
i2 2.750000 1 7000 9.00 9.00 0 6
i2 3.000000 1 7000 9.07 9.07 0 6
i2 3.250000 1 7000 9.00 9.00 0 6
i2 3.500000 1 7000 8.05 8.05 0 6
f1  0   256 10  1 0 3   ; sine wave function table
i2 0.000000 1 7000 8.02 8.02 0 6
i2 0.000000 1 7000 7.07 7.07 0 6
i2 0.000000 1 7000 8.11 8.11 0 6
i2 1.000000 1 7000 7.07 7.07 0 6
i2 1.000000 1 7000 8.00 8.00 0 6
i2 1.000000 1 7000 7.02 7.02 0 6
i2 2.000000 1 7000 8.09 8.09 0 6
i2 2.000000 1 7000 8.00 8.00 0 6
i2 2.000000 1 7000 8.04 8.04 0 6
i2 3.000000 1 7000 8.07 8.07 0 6
i2 3.000000 1 7000 8.00 8.00 0 6
i2 3.000000 1 7000 8.02 8.02 0 6
i2 4.000000 1 7000 7.02 7.02 0 6
i2 4.000000 1 7000 7.07 7.07 0 6
i2 4.000000 1 7000 7.11 7.11 0 6
i2 5.000000 1 7000 7.02 7.02 0 6
i2 5.000000 1 7000 7.07 7.07 0 6
i2 5.000000 1 7000 8.11 8.11 0 6
i2 6.000000 1 7000 8.07 8.07 0 6
i2 6.000000 1 7000 7.00 7.00 0 6
i2 6.000000 1 7000 7.02 7.02 0 6
i2 7.000000 1 7000 8.09 8.09 0 6
i2 7.000000 1 7000 7.00 7.00 0 6
i2 7.000000 1 7000 7.04 7.04 0 6
i2 8.000000 1 7000 7.07 7.07 0 6
i2 8.000000 1 7000 7.00 7.00 0 6
i2 8.000000 1 7000 7.02 7.02 0 6
i2 9.000000 1 7000 8.02 8.02 0 6
i2 9.000000 1 7000 8.07 8.07 0 6
i2 9.000000 1 7000 7.11 7.11 0 6
i2 10.000000 1 7000 7.02 7.02 0 6
i2 10.000000 1 7000 8.07 8.07 0 6
i2 10.000000 1 7000 8.11 8.11 0 6
i2 11.000000 1 7000 7.07 7.07 0 6
i2 11.000000 1 7000 8.00 8.00 0 6
i2 11.000000 1 7000 7.02 7.02 0 6
i2 12.000000 1 7000 8.09 8.09 0 6
i2 12.000000 1 7000 7.00 7.00 0 6
i2 12.000000 1 7000 8.04 8.04 0 6
i2 13.000000 1 7000 7.07 7.07 0 6
i2 13.000000 1 7000 7.00 7.00 0 6
i2 13.000000 1 7000 8.02 8.02 0 6
i2 14.000000 1 7000 7.02 7.02 0 6
i2 14.000000 1 7000 7.07 7.07 0 6
i2 14.000000 1 7000 7.11 7.11 0 6

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