spiffyscore

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Overview
Comment:Fixed program to now handle notes with accidentals
Timelines: family | ancestors | descendants | both | feature/diskin2
Files: files | file ages | folders
SHA1: b5a8b202425e299491f6a7e3d9f1dd7502f81244
User & Date: brian on 2011-11-03 18:34:00
Other Links: branch diff | manifest | tags
Context
2011-11-03
18:49
By magic, fixed problem with not all bass notes playing via diskin2 Closed-Leaf check-in: 1bc01ba9c9 user: brian tags: feature/diskin2
18:34
Fixed program to now handle notes with accidentals check-in: b5a8b20242 user: brian tags: feature/diskin2
2011-11-01
19:46
Got diskin2 sample method partially working; it won't play all of the files, though check-in: c9abf46a9f user: brian tags: feature/diskin2
Changes
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Modified parse.py from [2afbfc4534] to [a8d0994825]. 

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#!/usr/bin/env python

import tree

from ply import lex, yacc
class Note():
    def __init__(self, value, duration=1, octave=8):
        self.value = value
        self.duration = duration
        self.octave = octave
        self.accidental = None
    def __repr__(self):
        return "Note %s %s %s" % (self.value, self.duration, self.octave)

class Chord():
    def __init__(self, value, duration=1, chord_type="major", octave=5):
        self.value = value
        self.duration = duration
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        "NODE",
    )

    t_ignore = " |"

    t_BASENOTE = r"[A-Ga-g]"
#    t_BASENOTE = r"I+V?|VI*|i+v?|vi*"
    t_ACCIDENTAL = r"\^{1,2}|_{1,2}|="
    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_PAREN = "\(|\)"
    t_SYNCOPATE = "\+|-"
    t_NODE = r"\([a-zA-Z0-9_-]+\)"
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        '''
        note.syncopate = p[2]


    def p_accidental(p):
        '''note : ACCIDENTAL note
        '''
        p[2].accidental = p[1]
        if p[1] == "^":
            p[2].value += "#"
        else:
            p[2].value += "b"
        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
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    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)

Modified spiffyscore.py from [7509ae0a18] to [d189f30210].

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#                },
                "follow_instr": {  # Instrument 'melody'
                    "score_line": "i3 %(time)f %(duration)f 7000 %(octave)d.%(note)s",
#                    "sync": "lead_instr",
                    "octave": 2,
                    "duration": 30,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["A ^A B C ^C D ^D E F ^F G ^G"],
                        "u": ["E F G E (v)"],
                        "v": ["G A A A (e)", "G A A A (v)"],
                        "e": ["B A G A (v)"],
#                        "u": ["E F G E (v)"],
#                        "v": ["G A A A (e)", "G A A A (v)"],
#                        "e": ["B A G A (v)"],
                    },
                },
            },
        },
    }
    print '''f1 0 512 10 1
f2 0 8192 10 .24 .64 .88 .76 .06 .5 .34 .08
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            total += n.duration
    return total


def generate_csound_score(score, score_line, t):
    csound_note_values = {
        "C": "00",
        "C#": "01",
        "C#": "01", "Db": "01",
        "D": "02",
        "D#": "03",
        "D#": "03", "Eb": "03",
        "E": "04",
        "F": "05",
        "F#": "06",
        "F#": "06", "Gb": "06",
        "G": "07",
        "G#": "08",
        "G#": "08", "Ab": "08",
        "A": "09",
        "A#": "10",
        "A#": "10", "Bb": "10",
        "B": "11",
    }
    csound_score = []
    for token in score:
        if isinstance(token, parse.Chord):  # Chords
            for note in token.chord: 
                note = csound_note_values[note]
                csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration})
                csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration})
        elif isinstance(token, parse.Note):  # Individual notes
            note = csound_note_values[token.value]
            csound_score.append(score_line % {"time": t, "octave": token.octave, "note": note, "duration": token.duration})
        elif isinstance(token, tree.Tree):
            continue
        t += token.duration
    return csound_score


if __name__ == "__main__": main()