1748 lines
96 KiB
Python
1748 lines
96 KiB
Python
# coding=latin-1
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'''
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Copyright (C) 2012: Willem G. Vree
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Contributions: Nils Liberg, Nicolas Froment, Norman Schmidt, Reinier Maliepaard, Martin Tarenskeen
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This program is free software; you can redistribute it and/or modify it under the terms of the
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GNU General Public License as published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details. <http://www.gnu.org/licenses/gpl.html>.
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'''
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from pyparsing import Word, OneOrMore, Optional, Literal, NotAny, MatchFirst
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from pyparsing import Group, oneOf, Suppress, ZeroOrMore, Combine, FollowedBy
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from pyparsing import srange, CharsNotIn, StringEnd, LineEnd, White, Regex
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from pyparsing import nums, alphas, alphanums, ParseException, Forward
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try: import xml.etree.cElementTree as E
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except: import xml.etree.ElementTree as E
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import types, sys, os, re, datetime
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VERSION = 58
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def info (s, warn=1):
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x = (warn and '-- ' or '') + s
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try: sys.stderr.write (x + '\n')
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except: sys.stderr.write (repr (x) + '\n')
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def abc_grammar (): # header, voice and lyrics grammar for ABC
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b1 = Word (u"-,'<>\u2019#", exact=1) # catch misplaced chars in chords
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#-----------------------------------------------------------------
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# ABC header (fld_text elements are matched later with reg. epr's)
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#-----------------------------------------------------------------
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number = Word (nums).setParseAction (lambda t: int (t[0]))
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field_str = Regex (r'(?:\\.|[^]\\])*') # match anything until end of field, skip escaped \]
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field_str.setParseAction (lambda t: t[0].strip ()) # and strip spacing
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userdef_symbol = Word (srange ('[H-Wh-w~]'), exact=1)
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fieldId = oneOf ('K L M Q P I T C O A Z N G H R B D F S E r') # info fields
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X_field = Literal ('X') + Suppress (':') + number + field_str
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U_field = Literal ('U') + Suppress (':') + userdef_symbol + Suppress ('=') + field_str
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V_field = Literal ('V') + Suppress (':') + Word (alphanums + '_') + field_str
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inf_fld = fieldId + Suppress (':') + field_str
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ifield = Suppress ('[') + (X_field | U_field | V_field | inf_fld) + Suppress (']')
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abc_header = OneOrMore (ifield) + StringEnd ()
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#---------------------------------------------------------------------------------
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# I:score with recursive part groups and {* grand staff marker
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#---------------------------------------------------------------------------------
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voiceId = Suppress (Optional ('*')) + Word (alphanums + '_')
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voice_gr = Suppress ('(') + OneOrMore (voiceId | Suppress ('|')) + Suppress (')')
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simple_part = voiceId | voice_gr | Suppress ('|')
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grand_staff = oneOf ('{* {') + OneOrMore (simple_part) + Suppress ('}')
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part = Forward ()
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part_seq = OneOrMore (part | Suppress ('|'))
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brace_gr = Suppress ('{') + part_seq + Suppress ('}')
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bracket_gr = Suppress ('[') + part_seq + Suppress ('\]') # closing brackets are escaped by splitHeaderVoices
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part << MatchFirst (simple_part | grand_staff | brace_gr | bracket_gr | Suppress ('|'))
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abc_scoredef = Suppress (oneOf ('staves score')) + OneOrMore (part)
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#---------------------------------------------------------------------------------
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# ABC voice (not white space sensitive, beams detected in note/rest parse actions)
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#---------------------------------------------------------------------------------
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inline_field = Suppress ('[') + (inf_fld | U_field | V_field) + Suppress (']')
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note_length = Optional (number, 1) + Group (ZeroOrMore ('/')) + Optional (number, 2)
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octaveHigh = OneOrMore ("'").setParseAction (lambda t: len(t))
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octaveLow = OneOrMore (',').setParseAction (lambda t: -len(t))
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octave = octaveHigh | octaveLow
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basenote = oneOf ('C D E F G A B c d e f g a b y') # includes spacer for parse efficiency
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accidental = oneOf ('^^ __ ^ _ =')
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rest_sym = oneOf ('x X z Z')
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slur_beg = oneOf ('( .(') + ~Word (nums) # no tuplet_start
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slur_ends = OneOrMore (oneOf (') .)'))
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long_decoration = Combine (oneOf ('! +') + CharsNotIn ('!+ \n') + oneOf ('! +'))
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staccato = Literal ('.') + ~Literal ('|') # avoid dotted barline
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decoration = staccato | userdef_symbol | long_decoration | slur_beg
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decorations = OneOrMore (decoration)
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staff_decos = decorations + ~oneOf (': | [|] []')
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tie = oneOf ('.- -')
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rest = Optional (accidental) + rest_sym + note_length
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pitch = Optional (accidental) + basenote + Optional (octave, 0)
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note = pitch + note_length + Optional (tie) + Optional (slur_ends)
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chord_note = Optional (decorations) + pitch + note_length + Optional (tie) + Optional (slur_ends)
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chord_notes = OneOrMore (chord_note | rest | b1)
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grace_notes = Forward ()
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chord = Suppress ('[') + OneOrMore (chord_notes | grace_notes) + Suppress (']') + note_length + Optional (tie) + Optional (slur_ends)
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stem = note | chord | rest
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broken = Combine (OneOrMore ('<') | OneOrMore ('>'))
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tuplet_num = Suppress ('(') + number
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tuplet_into = Suppress (':') + Optional (number, 0)
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tuplet_notes = Suppress (':') + Optional (number, 0)
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tuplet_start = tuplet_num + Optional (tuplet_into + Optional (tuplet_notes))
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acciaccatura = Literal ('/')
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grace_stem = Optional (decorations) + stem
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grace_notes << Group (Suppress ('{') + Optional (acciaccatura) + OneOrMore (grace_stem) + Suppress ('}'))
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text_expression = Optional (oneOf ('^ _ < > @'), '^') + Optional (CharsNotIn ('"'), "")
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chord_accidental = oneOf ('# b =')
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triad = oneOf ('ma Maj maj M mi min m aug dim o + -')
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seventh = oneOf ('7 ma7 Maj7 M7 maj7 mi7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5')
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sixth = oneOf ('6 ma6 M6 m6 mi6')
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ninth = oneOf ('9 ma9 M9 maj9 Maj9 mi9 m9')
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elevn = oneOf ('11 ma11 M11 maj11 Maj11 mi m11')
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suspended = oneOf ('sus sus2 sus4')
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chord_degree = Combine (Optional (chord_accidental) + oneOf ('2 4 5 6 7 9 11 13'))
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chord_kind = Optional (seventh | sixth | ninth | elevn | triad, '_') + Optional (suspended)
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chord_root = oneOf ('C D E F G A B') + Optional (chord_accidental)
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chord_bass = oneOf ('C D E F G A B') + Optional (chord_accidental) # needs a different parse action
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chordsym = chord_root + chord_kind + ZeroOrMore (chord_degree) + Optional (Suppress ('/') + chord_bass)
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chord_sym = chordsym + Optional (Literal ('(') + CharsNotIn (')') + Literal (')')).suppress ()
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chord_or_text = Suppress ('"') + (chord_sym ^ text_expression) + Suppress ('"')
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volta_nums = Optional ('[').suppress () + Combine (Word (nums) + ZeroOrMore (oneOf (', -') + Word (nums)))
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volta_text = Literal ('[').suppress () + Regex (r'"[^"]+"')
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volta = volta_nums | volta_text
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invisible_barline = oneOf ('[|] []')
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dashed_barline = oneOf (': .|')
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double_rep = Literal (':') + FollowedBy (':') # otherwise ambiguity with dashed barline
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voice_overlay = Combine (OneOrMore ('&'))
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bare_volta = FollowedBy (Literal ('[') + Word (nums)) # no barline, but volta follows (volta is parsed in next measure)
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bar_left = (oneOf ('[|: |: [: :') + Optional (volta)) | Optional ('|').suppress () + volta | oneOf ('| [|')
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bars = ZeroOrMore (':') + ZeroOrMore ('[') + OneOrMore (oneOf ('| ]'))
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bar_right = Optional (decorations) + (invisible_barline | double_rep | Combine (bars) | dashed_barline | voice_overlay | bare_volta)
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errors = ~bar_right + Optional (Word (' \n')) + CharsNotIn (':&|', exact=1)
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linebreak = Literal ('$') | ~decorations + Literal ('!') # no need for I:linebreak !!!
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element = inline_field | broken | staff_decos | stem | chord_or_text | grace_notes | tuplet_start | linebreak | errors
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measure = Group (ZeroOrMore (inline_field) + Optional (bar_left) + ZeroOrMore (element) + bar_right + Optional (linebreak))
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noBarMeasure = Group (ZeroOrMore (inline_field) + Optional (bar_left) + OneOrMore (element) + Optional (linebreak))
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abc_voice = ZeroOrMore (measure) + Optional (noBarMeasure | Group (bar_left)) + ZeroOrMore (inline_field).suppress () + StringEnd ()
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#----------------------------------------
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# ABC lyric lines (white space sensitive)
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#----------------------------------------
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skip_note = oneOf ('* - ~')
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extend_note = Literal ('_')
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measure_end = Literal ('|')
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syl_chars = CharsNotIn ('*~-_| \t\n')
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white = Word (' \t')
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syllable = Combine (Optional ('~') + syl_chars + ZeroOrMore (Literal ('~') + syl_chars)) + Optional ('-')
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lyr_elem = (syllable | skip_note | extend_note | measure_end) + Optional (white).suppress ()
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lyr_head = (Literal ('w:') + Optional (white)).suppress ()
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lyr_line = Group (lyr_head + ZeroOrMore (lyr_elem) + LineEnd ().suppress ())
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#----------------------------------------------------------------
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# Parse actions to convert all relevant results into an abstract
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# syntax tree where all tree nodes are instances of pObj
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#----------------------------------------------------------------
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ifield.setParseAction (lambda t: pObj ('field', t))
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grand_staff.setParseAction (lambda t: pObj ('grand', t, 1)) # 1 = keep ordered list of results
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brace_gr.setParseAction (lambda t: pObj ('bracegr', t, 1))
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bracket_gr.setParseAction (lambda t: pObj ('bracketgr', t, 1))
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voice_gr.setParseAction (lambda t: pObj ('voicegr', t, 1))
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voiceId.setParseAction (lambda t: pObj ('vid', t, 1))
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abc_scoredef.setParseAction (lambda t: pObj ('score', t, 1))
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note_length.setParseAction (lambda t: pObj ('dur', (t[0], (t[2] << len (t[1])) >> 1)))
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chordsym.setParseAction (lambda t: pObj ('chordsym', t))
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chord_root.setParseAction (lambda t: pObj ('root', t))
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chord_kind.setParseAction (lambda t: pObj ('kind', t))
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chord_degree.setParseAction (lambda t: pObj ('degree', t))
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chord_bass.setParseAction (lambda t: pObj ('bass', t))
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text_expression.setParseAction (lambda t: pObj ('text', t))
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inline_field.setParseAction (lambda t: pObj ('inline', t))
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grace_notes.setParseAction (doGrace) # (lambda t: pObj ('grace', t))
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acciaccatura.setParseAction (lambda t: pObj ('accia', t))
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note.setParseAction (noteActn)
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chord_note.setParseAction (noteActn)
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rest.setParseAction (restActn)
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decorations.setParseAction (lambda t: pObj ('deco', t))
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slur_ends.setParseAction (lambda t: pObj ('slurs', t))
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chord.setParseAction (lambda t: pObj ('chord', t))
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tie.setParseAction (lambda t: pObj ('tie', t))
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pitch.setParseAction (lambda t: pObj ('pitch', t))
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bare_volta.setParseAction (lambda t: ['|']) # return barline that user forgot
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dashed_barline.setParseAction (lambda t: ['.|'])
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bar_right.setParseAction (lambda t: pObj ('rbar', t))
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bar_left.setParseAction (lambda t: pObj ('lbar', t))
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broken.setParseAction (lambda t: pObj ('broken', t))
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tuplet_start.setParseAction (lambda t: pObj ('tup', t))
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linebreak.setParseAction (lambda t: pObj ('linebrk', t))
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measure.setParseAction (doMaat)
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noBarMeasure.setParseAction (doMaat)
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syllable.setParseAction (lambda t: pObj ('syl', t))
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skip_note.setParseAction (lambda t: pObj ('skip', t))
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extend_note.setParseAction (lambda t: pObj ('ext', t))
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measure_end.setParseAction (lambda t: pObj ('sbar', t))
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b1.setParseAction (errorWarn)
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errors.setParseAction (errorWarn)
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lyr_block = OneOrMore (lyr_line).leaveWhitespace () # after leaveWhiteSpace no more parse actions can be set!!
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return abc_header, abc_voice, lyr_block, abc_scoredef
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class pObj (object): # every relevant parse result is converted into a pObj
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def __init__ (s, name, t, seq=0): # t = list of nested parse results
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s.name = name # name uniqueliy identifies this pObj
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rest = [] # collect parse results that are not a pObj
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attrs = {} # new attributes
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for x in t: # nested pObj's become attributes of this pObj
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if type (x) == pObj:
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attrs [x.name] = attrs.get (x.name, []) + [x]
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else:
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rest.append (x) # collect non-pObj's (mostly literals)
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for name, xs in attrs.items ():
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if len (xs) == 1: xs = xs[0] # only list if more then one pObj
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setattr (s, name, xs) # create the new attributes
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s.t = rest # all nested non-pObj's (mostly literals)
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s.objs = seq and t or [] # for nested ordered (lyric) pObj's
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def __repr__ (s): # make a nice string representation of a pObj
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r = []
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for nm in dir (s):
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if nm.startswith ('_'): continue # skip build in attributes
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elif nm == 'name': continue # redundant
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else:
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x = getattr (s, nm)
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if not x: continue # s.t may be empty (list of non-pObj's)
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if type (x) == types.ListType: r.extend (x)
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else: r.append (x)
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xs = []
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for x in r: # recursively call __repr__ and convert all strings to latin-1
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if isinstance (x, types.StringTypes):
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try: xs.append (x.encode ('latin-1'))
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except: xs.append (repr (x)) # string -> no recursion
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else: xs.append (repr (x)) # pObj -> recursive call
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return '(' + s.name + ' ' +','.join (xs) + ')'
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global prevloc # global to remember previous match position of a note/rest
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prevloc = 0
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def detectBeamBreak (line, loc, t):
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global prevloc # location in string 'line' of previous note match
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xs = line[prevloc:loc+1] # string between previous and current note match
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xs = xs.lstrip () # first note match starts on a space!
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prevloc = loc # location in string 'line' of current note match
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b = pObj ('bbrk', [' ' in xs]) # space somewhere between two notes -> beambreak
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t.insert (0, b) # insert beambreak as a nested parse result
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def noteActn (line, loc, t): # detect beambreak between previous and current note/rest
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if 'y' in t[0].t: return [] # discard spacer
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detectBeamBreak (line, loc, t) # adds beambreak to parse result t as side effect
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return pObj ('note', t)
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def restActn (line, loc, t): # detect beambreak between previous and current note/rest
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detectBeamBreak (line, loc, t) # adds beambreak to parse result t as side effect
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return pObj ('rest', t)
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def errorWarn (line, loc, t): # warning for misplaced symbols and skip them
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info ('**misplaced symbol: %s' % t[0], warn=0)
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lineCopy = line [:]
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if loc > 40:
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lineCopy = line [loc - 40: loc + 40]
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loc = 40
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info (lineCopy.replace ('\n', ' '), warn=0)
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info (loc * '-' + '^', warn=0)
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return []
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#-------------------------------------------------------------
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# transformations of a measure (called by parse action doMaat)
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#-------------------------------------------------------------
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def simplify (a, b): # divide a and b by their greatest common divisor
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x, y = a, b
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while b: a, b = b, a % b
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return x / a, y / a
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def doBroken (prev, brk, x):
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if not prev: info ('error in broken rhythm: %s' % x); return # no changes
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nom1, den1 = prev.dur.t # duration of first note/chord
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nom2, den2 = x.dur.t # duration of second note/chord
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if brk == '>':
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nom1, den1 = simplify (3 * nom1, 2 * den1)
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nom2, den2 = simplify (1 * nom2, 2 * den2)
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elif brk == '<':
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nom1, den1 = simplify (1 * nom1, 2 * den1)
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nom2, den2 = simplify (3 * nom2, 2 * den2)
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elif brk == '>>':
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nom1, den1 = simplify (7 * nom1, 4 * den1)
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nom2, den2 = simplify (1 * nom2, 4 * den2)
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elif brk == '<<':
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nom1, den1 = simplify (1 * nom1, 4 * den1)
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nom2, den2 = simplify (7 * nom2, 4 * den2)
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else: return # give up
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prev.dur.t = nom1, den1 # change duration of previous note/chord
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x.dur.t = nom2, den2 # and current note/chord
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def convertBroken (t): # convert broken rhythms to normal note durations
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prev = None # the last note/chord before the broken symbol
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brk = '' # the broken symbol
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remove = [] # indexes to broken symbols (to be deleted) in measure
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for i, x in enumerate (t): # scan all elements in measure
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if x.name == 'note' or x.name == 'chord' or x.name == 'rest':
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if brk: # a broken symbol was encountered before
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doBroken (prev, brk, x) # change duration previous note/chord/rest and current one
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brk = ''
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else:
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prev = x # remember the last note/chord/rest
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elif x.name == 'broken':
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brk = x.t[0] # remember the broken symbol (=string)
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remove.insert (0, i) # and its index, highest index first
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for i in remove: del t[i] # delete broken symbols from high to low
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def convertChord (t): # convert chord to sequence of notes in musicXml-style
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ins = []
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for i, x in enumerate (t):
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if x.name == 'chord':
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if hasattr (x, 'rest') and not hasattr (x, 'note'): # chords containing only rests
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if type (x.rest) == types.ListType: x.rest = x.rest[0] # more rests == one rest
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ins.insert (0, (i, [x.rest])) # just output a single rest, no chord
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continue
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num1, den1 = x.dur.t # chord duration
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tie = getattr (x, 'tie', None) # chord tie
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slurs = getattr (x, 'slurs', []) # slur endings
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deco = getattr (x, 'deco', []) # chord decorations
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if type (x.note) != types.ListType: x.note = [x.note] # when chord has only one note ...
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for j, nt in enumerate (x.note): # all notes of the chord
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num2, den2 = nt.dur.t # note duration * chord duration
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nt.dur.t = simplify (num1 * num2, den1 * den2)
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if tie: nt.tie = tie # tie on all chord notes
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if j == 0 and deco: nt.deco = deco # decorations only on first chord note
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if j == 0 and slurs: nt.slurs = slurs # slur endings only on first chord note
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if j > 0: nt.chord = pObj ('chord', [1]) # label all but first as chord notes
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else: # remember all pitches of the chord in the first note
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pitches = [n.pitch for n in x.note] # to implement conversion of erroneous ties to slurs
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nt.pitches = pObj ('pitches', pitches)
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ins.insert (0, (i, x.note)) # high index first
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for i, notes in ins: # insert from high to low
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for nt in reversed (notes):
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t.insert (i+1, nt) # insert chord notes after chord
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del t[i] # remove chord itself
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def doMaat (t): # t is a Group() result -> the measure is in t[0]
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convertBroken (t[0]) # remove all broken rhythms and convert to normal durations
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convertChord (t[0]) # replace chords by note sequences in musicXML style
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def doGrace (t): # t is a Group() result -> the grace sequence is in t[0]
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convertChord (t[0]) # a grace sequence may have chords
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for nt in t[0]: # flag all notes within the grace sequence
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if nt.name == 'note': nt.grace = 1 # set grace attribute
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return t[0] # ungroup the parse result
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#--------------------
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# musicXML generation
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#----------------------------------
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def compChordTab (): # avoid some typing work: returns mapping constant {ABC chordsyms -> musicXML kind}
|
|
maj, min, aug, dim, dom, ch7, ch6, ch9, ch11, hd = 'major minor augmented diminished dominant -seventh -sixth -ninth -11th half-diminished'.split ()
|
|
triad = zip ('ma Maj maj M mi min m aug dim o + -'.split (), [maj, maj, maj, maj, min, min, min, aug, dim, dim, aug, min])
|
|
seventh = zip ('7 ma7 Maj7 M7 maj7 mi7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5'.split (),
|
|
[dom, maj+ch7, maj+ch7, maj+ch7, maj+ch7, min+ch7, min+ch7, dim+ch7, dim+ch7, min+ch7, aug+ch7, aug+ch7, hd, hd])
|
|
sixth = zip ('6 ma6 M6 mi6 m6'.split (), [maj+ch6, maj+ch6, maj+ch6, min+ch6, min+ch6])
|
|
ninth = zip ('9 ma9 M9 maj9 Maj9 mi9 m9'.split (), [dom+ch9, maj+ch9, maj+ch9, maj+ch9, maj+ch9, min+ch9, min+ch9])
|
|
elevn = zip ('11 ma11 M11 maj11 Maj11 mi11 m11'.split (), [dom+ch11, maj+ch11, maj+ch11, maj+ch11, maj+ch11, min+ch11, min+ch11])
|
|
return dict (triad + seventh + sixth + ninth + elevn)
|
|
|
|
def addElem (parent, child, level):
|
|
indent = 2
|
|
chldrn = parent.getchildren ()
|
|
if chldrn:
|
|
chldrn[-1].tail += indent * ' '
|
|
else:
|
|
parent.text = '\n' + level * indent * ' '
|
|
parent.append (child)
|
|
child.tail = '\n' + (level-1) * indent * ' '
|
|
|
|
def addElemT (parent, tag, text, level):
|
|
e = E.Element (tag)
|
|
e.text = text
|
|
addElem (parent, e, level)
|
|
|
|
def mkTmod (tmnum, tmden, lev):
|
|
tmod = E.Element ('time-modification')
|
|
addElemT (tmod, 'actual-notes', str (tmnum), lev + 1)
|
|
addElemT (tmod, 'normal-notes', str (tmden), lev + 1)
|
|
return tmod
|
|
|
|
def addDirection (parent, elem, lev, gstaff, subelms=[], placement='below', cue_on=0):
|
|
dir = E.Element ('direction', placement=placement)
|
|
addElem (parent, dir, lev)
|
|
typ = E.Element ('direction-type')
|
|
addElem (dir, typ, lev + 1)
|
|
addElem (typ, elem, lev + 2)
|
|
for subel in subelms: addElem (elem, subel, lev + 3)
|
|
if cue_on: addElem (dir, E.Element ('level', size='cue'), lev + 1)
|
|
if gstaff: addElemT (dir, 'staff', str (gstaff), lev + 1)
|
|
return dir
|
|
|
|
def removeElems (root_elem, parent_str, elem_str):
|
|
for p in root_elem.findall (parent_str):
|
|
e = p.find (elem_str)
|
|
if e != None: p.remove (e)
|
|
|
|
def alignLyr (vce, lyrs):
|
|
empty_el = pObj ('leeg', '*')
|
|
for k, lyr in enumerate (lyrs): # lyr = one full line of lyrics
|
|
i = 0 # syl counter
|
|
for msre in vce: # reiterate the voice block for each lyrics line
|
|
for elem in msre:
|
|
if elem.name == 'note' and not (hasattr (elem, 'chord') or hasattr (elem, 'grace')):
|
|
if i >= len (lyr): lr = empty_el
|
|
else: lr = lyr [i]
|
|
elem.objs.append (lr)
|
|
if lr.name != 'sbar': i += 1
|
|
if i < len (lyr) and lyr[i].name == 'sbar': i += 1
|
|
return vce
|
|
|
|
slur_move = re.compile (r'(?<![!+])([}><][<>]?)(\)+)') # (?<!...) means: not preceeded by ...
|
|
mm_rest = re.compile (r'([XZ])(\d+)')
|
|
bar_space = re.compile (r'([:|][ |\[\]]+[:|])') # barlines with spaces
|
|
def fixSlurs (x): # repair slurs when after broken sign or grace-close
|
|
def f (mo): # replace a multi-measure rest by single measure rests
|
|
n = int (mo.group (2))
|
|
return (n * (mo.group (1) + '|')) [:-1]
|
|
def g (mo): # squash spaces in barline expressions
|
|
return mo.group (1).replace (' ','')
|
|
x = mm_rest.sub (f, x)
|
|
x = bar_space.sub (g, x)
|
|
return slur_move.sub (r'\2\1', x)
|
|
|
|
def splitHeaderVoices (abctext):
|
|
r1 = re.compile (r'%.*$') # comments
|
|
r2 = re.compile (r'^[A-Z]:.*$') # information field
|
|
r3 = re.compile (r'^%%(?=[^%])') # directive: ^%% folowed by not a %
|
|
xs, nx = [], 0
|
|
for x in abctext.splitlines ():
|
|
x = x.strip ()
|
|
if not x and nx == 1: break # end of tune
|
|
x = r3.sub ('I:', x) # replace %% -> I:
|
|
x2 = r1.sub ('', x) # remove comment
|
|
while x2.endswith ('*'): x2 = x2[:-1] # remove old syntax for right adjusting
|
|
if not x2: continue # empty line
|
|
if x2[:2] == 'W:': continue # skip W: lyrics
|
|
if x2[:2] == 'w:' and xs[-1][-1] == '\\':
|
|
xs[-1] = xs[-1][:-1] # ignore line continuation before lyrics line
|
|
ro = r2.match (x2)
|
|
if ro: # field -> inline_field, escape all ']'
|
|
if x2[-1] == '\\': x2 = x2[:-1] # ignore continuation after field line
|
|
x2 = '[' + x2.replace (']',r'\]') + ']'
|
|
if x2[:2] == '+:': # new style continuation
|
|
xs[-1] += x2[2:]
|
|
elif xs and xs[-1][-1] == '\\': # old style continuation
|
|
xs[-1] = xs[-1][:-1] + x2
|
|
else: # skip lines (except I:) until first X:
|
|
if x.startswith ('X:'):
|
|
if nx == 1: break # second tune starts without an empty line !!
|
|
nx = 1 # start of first tune
|
|
if nx == 1 or x.startswith ('I:'):
|
|
xs.append (x2)
|
|
if xs and xs[-1][-1] == '\\': # nothing left to continue with, remove last continuation
|
|
xs[-1] = xs[-1][:-1]
|
|
|
|
r1 = re.compile (r'\[[A-Z]:(\\.|[^]\\])*\]') # inline field with escaped ']'
|
|
r2 = re.compile (r'\[K:') # start of K: field
|
|
r3 = re.compile (r'\[V:|\[I:MIDI') # start of V: field or midi field
|
|
fields, voices, b = [], [], 0
|
|
for i, x in enumerate (xs):
|
|
n = len (r1.sub ('', x)) # remove all inline fields
|
|
if n > 0: b = 1; break # real abc present -> end of header
|
|
if r2.search (x): # start of K: field
|
|
fields.append (x)
|
|
i += 1; b = 1
|
|
break # first K: field -> end of header
|
|
if r3.search (x): # start of V: field
|
|
voices.append (x)
|
|
else:
|
|
fields.append (x)
|
|
if b: voices += xs[i:]
|
|
else: voices += [] # tune has only header fields
|
|
header = '\n'.join (fields)
|
|
abctext = '\n'.join (voices)
|
|
|
|
xs = abctext.split ('[V:')
|
|
if len (xs) == 1: abctext = '[V:1]' + abctext # abc has no voice defs at all
|
|
elif r1.sub ('', xs[0]).strip (): # remove inline fields from starting text, if any
|
|
abctext = '[V:1]' + abctext # abc with voices has no V: at start
|
|
|
|
r1 = re.compile (r'\[V:\s*(\S*)[ \]]') # get voice id from V: field (skip spaces betwee V: and ID)
|
|
vmap = {} # {voice id -> [voice abc string]}
|
|
vorder = {} # mark document order of voices
|
|
xs = re.split (r'(\[V:[^]]*\])', abctext) # split on every V-field (V-fields included in split result list)
|
|
if len (xs) == 1: raise (Exception ('bugs ...'))
|
|
else:
|
|
header += xs[0] # xs[0] = text between K: and first V:, normally empty, but we put it in the header
|
|
i = 1
|
|
while i < len (xs): # xs = ['', V-field, voice abc, V-field, voice abc, ...]
|
|
vce, abc = xs[i:i+2]
|
|
id = r1.search (vce).group (1) # get voice ID from V-field
|
|
vmap[id] = vmap.get (id, []) + [vce, abc] # collect abc-text for each voice id (include V-fields)
|
|
if id not in vorder: vorder [id] = i # store document order of first occurrence of voice id
|
|
i += 2
|
|
voices = []
|
|
ixs = sorted ([(i, id) for id, i in vorder.items ()]) # restore document order of voices
|
|
for i, id in ixs:
|
|
voice = ''.join (vmap [id]) # all abc of one voice
|
|
xs = re.split (r'((?:\nw:[^\n]*)+)', voice) # split voice into voice-lyrics blocks
|
|
if len (xs) == 1: # no lyrics
|
|
voice = fixSlurs (xs[0]) # put slurs right after the notes
|
|
vce_lyr = [[voice, '']]
|
|
else:
|
|
if xs[-1].strip () != '': xs.append ('w:') # last block had no lyrics
|
|
vce_lyr = [] # [[voice, lyrics],[],...] list of voice-lyrics blocks
|
|
for k in range (0, len (xs) - 1, 2):
|
|
voice, lyrics = xs [k:k+2]
|
|
voice = fixSlurs (voice) # put slurs right after the notes
|
|
vce_lyr.append ((voice, lyrics))
|
|
voices.append ((id, vce_lyr))
|
|
return header, voices
|
|
|
|
def mergeMeasure (m1, m2, slur_offset, voice_offset, is_grand=0):
|
|
slurs = m2.findall ('note/notations/slur')
|
|
for slr in slurs:
|
|
slrnum = int (slr.get ('number')) + slur_offset
|
|
slr.set ('number', str (slrnum)) # make unique slurnums in m2
|
|
vs = m2.findall ('note/voice') # set all voice number elements in m2
|
|
for v in vs: v.text = str (voice_offset + int (v.text))
|
|
ls = m1.findall ('note/lyric') # all lyric elements in m1
|
|
lnum_max = max ([int (l.get ('number')) for l in ls] + [0]) # highest lyric number in m1
|
|
ls = m2.findall ('note/lyric') # update lyric elements in m2
|
|
for el in ls:
|
|
n = int (el.get ('number'))
|
|
el.set ('number', str (n + lnum_max))
|
|
ns = m1.findall ('note') # determine the total duration of m1, subtract all backups
|
|
dur1 = sum (int (n.find ('duration').text) for n in ns
|
|
if n.find ('grace') == None and n.find ('chord') == None)
|
|
dur1 -= sum (int (b.text) for b in m1.findall ('backup/duration'))
|
|
nns, es = 0, [] # nns = number of real notes in m2
|
|
for e in m2.getchildren (): # scan all elements of m2
|
|
if e.tag == 'attributes':
|
|
if not is_grand: continue # no attribute merging for normal voices
|
|
else: nns += 1 # but we do merge (clef) attributes for a grand staff
|
|
if e.tag == 'print': continue
|
|
if e.tag == 'note' and (mxm.gmwr or e.find ('rest') == None): nns += 1
|
|
es.append (e) # buffer elements to be merged
|
|
if nns > 0: # only merge if m2 contains any real notes
|
|
if dur1 > 0: # only insert backup if duration of m1 > 0
|
|
b = E.Element ('backup')
|
|
addElem (m1, b, level=3)
|
|
addElemT (b, 'duration', str (dur1), level=4)
|
|
for e in es: addElem (m1, e, level=3) # merge buffered elements of m2
|
|
|
|
def mergePartList (parts, is_grand=0): # merge parts, make grand staff when is_grand true
|
|
|
|
def delAttrs (part): # for the time being we only keep clef attributes
|
|
xs = [(m, e) for m in part.findall ('measure') for e in m.findall ('attributes')]
|
|
for m, e in xs:
|
|
for c in e.getchildren ():
|
|
if c.tag == 'clef': continue # keep clef attribute
|
|
e.remove (c) # delete all other attrinutes for higher staff numbers
|
|
if len (e.getchildren ()) == 0: m.remove (e) # remove empty attributes element
|
|
|
|
p1 = parts[0]
|
|
for p2 in parts[1:]:
|
|
if is_grand: delAttrs (p2) # delete all attributes except clef
|
|
for i in range (len (p1) + 1, len (p2) + 1): # second part longer than first one
|
|
maat = E.Element ('measure', number = str(i)) # append empty measures
|
|
addElem (p1, maat, 2)
|
|
slurs = p1.findall ('measure/note/notations/slur') # find highest slur num in first part
|
|
slur_max = max ([int (slr.get ('number')) for slr in slurs] + [0])
|
|
vs = p1.findall ('measure/note/voice') # all voice number elements in first part
|
|
vnum_max = max ([int (v.text) for v in vs] + [0]) # highest voice number in first part
|
|
for im, m2 in enumerate (p2.findall ('measure')): # merge all measures of p2 into p1
|
|
mergeMeasure (p1[im], m2, slur_max, vnum_max, is_grand) # may change slur numbers in p1
|
|
return p1
|
|
|
|
def mergeParts (parts, vids, staves, is_grand=0):
|
|
if not staves: return parts, vids # no voice mapping
|
|
partsnew, vidsnew = [], []
|
|
for voice_ids in staves:
|
|
pixs = []
|
|
for vid in voice_ids:
|
|
if vid in vids: pixs.append (vids.index (vid))
|
|
else: info ('score partname %s does not exist' % vid)
|
|
if pixs:
|
|
xparts = [parts[pix] for pix in pixs]
|
|
if len (xparts) > 1: mergedpart = mergePartList (xparts, is_grand)
|
|
else: mergedpart = xparts [0]
|
|
partsnew.append (mergedpart)
|
|
vidsnew.append (vids [pixs[0]])
|
|
return partsnew, vidsnew
|
|
|
|
def mergePartMeasure (part, msre, ovrlaynum): # merge msre into last measure of part, only for overlays
|
|
slurs = part.findall ('measure/note/notations/slur') # find highest slur num in part
|
|
slur_max = max ([int (slr.get ('number')) for slr in slurs] + [0])
|
|
last_msre = part.getchildren ()[-1] # last measure in part
|
|
mergeMeasure (last_msre, msre, slur_max, ovrlaynum) # voice offset = s.overlayVNum
|
|
|
|
def setFristVoiceNameFromGroup (vids, vdefs): # vids = [vid], vdef = {vid -> (name, subname, voicedef)}
|
|
vids = [v for v in vids if v in vdefs] # only consider defined voices
|
|
if not vids: return vdefs
|
|
vid0 = vids [0] # first vid of the group
|
|
_, _, vdef0 = vdefs [vid0] # keep de voice definition (vdef0) when renaming vid0
|
|
for vid in vids:
|
|
nm, snm, vdef = vdefs [vid]
|
|
if nm: # first non empty name encountered will become
|
|
vdefs [vid0] = nm, snm, vdef0 # name of merged group == name of first voice in group (vid0)
|
|
break
|
|
return vdefs
|
|
|
|
def mkGrand (p, vdefs): # transform parse subtree into list needed for s.grands
|
|
xs = []
|
|
for i, x in enumerate (p.objs): # changing p.objs [i] alters the tree. changing x has no effect on the tree.
|
|
if type (x) == pObj:
|
|
us = mkGrand (x, vdefs) # first get transformation results of current pObj
|
|
if x.name == 'grand': # x.objs contains ordered list of nested parse results within x
|
|
vids = [y.objs[0] for y in x.objs[1:]] # the voice ids in the grand staff
|
|
nms = [vdefs [u][0] for u in vids if u in vdefs] # the names of those voices
|
|
accept = sum ([1 for nm in nms if nm]) == 1 # accept as grand staff when only one of the voices has a name
|
|
if accept or us[0] == '{*':
|
|
xs.append (us[1:]) # append voice ids as a list (discard first item '{' or '{*')
|
|
vdefs = setFristVoiceNameFromGroup (vids, vdefs)
|
|
p.objs [i] = x.objs[1] # replace voices by first one in the grand group (this modifies the parse tree)
|
|
else:
|
|
xs.extend (us[1:]) # extend current result with all voice ids of rejected grand staff
|
|
else: xs.extend (us) # extend current result with transformed pObj
|
|
else: xs.append (p.t[0]) # append the non pObj (== voice id string)
|
|
return xs
|
|
|
|
def mkStaves (p, vdefs): # transform parse tree into list needed for s.staves
|
|
xs = []
|
|
for i, x in enumerate (p.objs): # structure and comments identical to mkGrand
|
|
if type (x) == pObj:
|
|
us = mkStaves (x, vdefs)
|
|
if x.name == 'voicegr':
|
|
xs.append (us)
|
|
vids = [y.objs[0] for y in x.objs]
|
|
vdefs = setFristVoiceNameFromGroup (vids, vdefs)
|
|
p.objs [i] = x.objs[0]
|
|
else:
|
|
xs.extend (us)
|
|
else:
|
|
if p.t[0] not in '{*': xs.append (p.t[0])
|
|
return xs
|
|
|
|
def mkGroups (p): # transform parse tree into list needed for s.groups
|
|
xs = []
|
|
for x in p.objs:
|
|
if type (x) == pObj:
|
|
if x.name == 'vid': xs.extend (mkGroups (x))
|
|
elif x.name == 'bracketgr': xs.extend (['['] + mkGroups (x) + [']'])
|
|
elif x.name == 'bracegr': xs.extend (['{'] + mkGroups (x) + ['}'])
|
|
else: xs.extend (mkGroups (x) + ['}']) # x.name == 'grand' == rejected grand staff
|
|
else:
|
|
xs.append (p.t[0])
|
|
return xs
|
|
|
|
class MusicXml:
|
|
typeMap = {1:'long', 2:'breve', 4:'whole', 8:'half', 16:'quarter', 32:'eighth', 64:'16th', 128:'32nd', 256:'64th'}
|
|
dynaMap = {'p':1,'pp':1,'ppp':1,'f':1,'ff':1,'fff':1,'mp':1,'mf':1,'sfz':1}
|
|
wedgeMap = {'>(':1, '>)':1, '<(':1,'<)':1,'crescendo(':1,'crescendo)':1,'diminuendo(':1,'diminuendo)':1}
|
|
artMap = {'.':'staccato','>':'accent','accent':'accent','wedge':'staccatissimo','tenuto':'tenuto'}
|
|
ornMap = {'trill':'trill-mark','T':'trill-mark','turn':'turn','uppermordent':'inverted-mordent','lowermordent':'mordent',
|
|
'pralltriller':'inverted-mordent','mordent':'mordent','turn':'turn','invertedturn':'inverted-turn'}
|
|
tecMap = {'upbow':'up-bow', 'downbow':'down-bow'}
|
|
capoMap = {'fine':('Fine','fine','yes'), 'D.S.':('D.S.','dalsegno','segno'), 'D.C.':('D.C.','dacapo','yes'),'dacapo':('D.C.','dacapo','yes'),
|
|
'dacoda':('To Coda','tocoda','coda'), 'coda':('coda','coda','coda'), 'segno':('segno','segno','segno')}
|
|
sharpness = ['Fb', 'Cb','Gb','Db','Ab','Eb','Bb','F','C','G','D','A', 'E', 'B', 'F#','C#','G#','D#','A#','E#','B#']
|
|
offTab = {'maj':8, 'm':11, 'min':11, 'mix':9, 'dor':10, 'phr':12, 'lyd':7, 'loc':13}
|
|
modTab = {'maj':'major', 'm':'minor', 'min':'minor', 'mix':'mixolydian', 'dor':'dorian', 'phr':'phrygian', 'lyd':'lydian', 'loc':'locrian'}
|
|
clefMap = { 'alto1':('C','1'), 'alto2':('C','2'), 'alto':('C','3'), 'alto4':('C','4'), 'tenor':('C','4'),
|
|
'bass3':('F','3'), 'bass':('F','4'), 'treble':('G','2'), 'perc':('percussion',''), 'none':('','')}
|
|
clefLineMap = {'B':'treble', 'G':'alto1', 'E':'alto2', 'C':'alto', 'A':'tenor', 'F':'bass3', 'D':'bass'}
|
|
alterTab = {'=':'0', '_':'-1', '__':'-2', '^':'1', '^^':'2'}
|
|
accTab = {'=':'natural', '_':'flat', '__':'flat-flat', '^':'sharp', '^^':'sharp-sharp'}
|
|
chordTab = compChordTab ()
|
|
uSyms = {'~':'roll', 'H':'fermata','L':'>','M':'lowermordent','O':'coda',
|
|
'P':'uppermordent','S':'segno','T':'trill','u':'upbow','v':'downbow'}
|
|
pageFmtDef = [1.764,297,210,10,10,10,10] # the MuseScore page formatting defaults for A4
|
|
creditTab = {'O':'origin', 'A':'area', 'Z':'transcription', 'N':'notes', 'G':'group', 'H':'history', 'R':'rhythm',
|
|
'B':'book', 'D':'discography', 'F':'fileurl', 'S':'source'}
|
|
|
|
def __init__ (s):
|
|
s.pageFmtCmd = [] # set by command line option -p
|
|
s.gmwr = 0 # set by command line option -r
|
|
s.reset ()
|
|
def reset (s):
|
|
s.divisions = 120 # xml duration of 1/4 note
|
|
s.ties = {} # {abc pitch tuple -> alteration} for all open ties
|
|
s.slurstack = [] # stack of open slur numbers
|
|
s.slurbeg = 0 # number of slurs to start (when slurs are detected at element-level)
|
|
s.tmnum = 0 # time modification, numerator
|
|
s.tmden = 0 # time modification, denominator
|
|
s.ntup = 0 # number of tuplet notes remaining
|
|
s.tupnts = [] # all tuplet modifiers with corresp. durations: [(duration, modifier), ...]
|
|
s.irrtup = 0 # 1 if an irregular tuplet
|
|
s.ntype = '' # the normal-type of a tuplet (== duration type of a normal tuplet note)
|
|
s.unitL = (1, 8) # default unit length
|
|
s.unitLcur = (1, 8) # unit length of current voice
|
|
s.keyAlts = {} # alterations implied by key
|
|
s.msreAlts = {} # temporarily alterations
|
|
s.curVolta = '' # open volta bracket
|
|
s.slurstack = [] # stack of open slur numbers
|
|
s.title = '' # title of music
|
|
s.creator = {} # {creator-type -> creator string}
|
|
s.credits = {} # {credit-type -> string}
|
|
s.lyrdash = {} # {lyric number -> 1 if dash between syllables}
|
|
s.usrSyms = s.uSyms # user defined symbols
|
|
s.prevNote = None # xml element of previous beamed note to correct beams (start, continue)
|
|
s.grcbbrk = False # remember any bbrk in a grace sequence
|
|
s.linebrk = 0 # 1 if next measure should start with a line break
|
|
s.bardecos = [] # barline decorations (coda, segno) that go into the next measure (MuseScore deficiency!)
|
|
s.nextdecos = [] # decorations for the next note
|
|
s.prevmsre = None # the previous measure
|
|
s.supports_tag = 0 # issue supports-tag in xml file when abc uses explicit linebreaks
|
|
s.staveDefs = [] # collected %%staves or %%score instructions from score
|
|
s.staves = [] # staves = [[voice names to be merged into one stave]]
|
|
s.groups = [] # list of merged part names with interspersed {[ and }]
|
|
s.grands = [] # [[vid1, vid2, ..], ...] voiceIds to be merged in a grand staff
|
|
s.gStaffNums = {} # map each voice id in a grand staff to a staff number
|
|
s.gNstaves = {} # map each voice id in a grand staff to total number of staves
|
|
s.pageFmtAbc = [] # formatting from abc directives
|
|
s.mdur = (4,4) # duration of one measure
|
|
s.gtrans = 0 # octave transposition (by clef)
|
|
s.midprg = ['', ''] # MIDI channel nr, program nr for the current part
|
|
s.vid = '' # abc voice id for the current part
|
|
s.gcue_on = 0 # insert <cue/> tag in each note
|
|
|
|
def mkPitch (s, acc, note, oct, lev):
|
|
nUp = note.upper ()
|
|
octnum = (4 if nUp == note else 5) + int (oct) + s.gtrans
|
|
pitch = E.Element ('pitch')
|
|
addElemT (pitch, 'step', nUp, lev + 1)
|
|
alter = ''
|
|
if (note, oct) in s.ties:
|
|
tied_alter, _, vnum = s.ties [(note,oct)] # vnum = overlay voice number when tie started
|
|
if vnum == s.overlayVnum: alter = tied_alter # tied note in the same overlay -> same alteration
|
|
elif acc:
|
|
s.msreAlts [(nUp, octnum)] = s.alterTab [acc]
|
|
alter = s.alterTab [acc] # explicit notated alteration
|
|
elif (nUp, octnum) in s.msreAlts: alter = s.msreAlts [(nUp, octnum)] # temporary alteration
|
|
elif nUp in s.keyAlts: alter = s.keyAlts [nUp] # alteration implied by the key
|
|
if alter: addElemT (pitch, 'alter', alter, lev + 1)
|
|
addElemT (pitch, 'octave', str (octnum), lev + 1)
|
|
return pitch, alter
|
|
|
|
def mkNote (s, n, lev):
|
|
nnum, nden = n.dur.t # abc dutation of note
|
|
if nden == 0: nden = 1 # occurs with illegal ABC like: "A2 1". Now interpreted as A2/1
|
|
num, den = simplify (nnum * s.unitLcur[0], nden * s.unitLcur[1]) # normalised with unit length
|
|
if den > 64: # limit denominator to 64
|
|
num = int (round (64 * float (num) / den)) # scale note to num/64
|
|
num, den = simplify (max ([num, 1]), 64) # smallest num == 1
|
|
info ('duration too small: rounded to %d/%d' % (num, den))
|
|
if n.name == 'rest' and ('Z' in n.t or 'X' in n.t):
|
|
num, den = s.mdur # duration of one measure
|
|
dvs = (4 * s.divisions * num) / den # divisions is xml-duration of 1/4
|
|
rdvs = dvs # real duration (will be 0 for chord/grace)
|
|
num, den = simplify (num, den * 4) # scale by 1/4 for s.typeMap
|
|
ndot = 0
|
|
if num == 3: ndot = 1; den = den / 2 # look for dotted notes
|
|
if num == 7: ndot = 2; den = den / 4
|
|
nt = E.Element ('note')
|
|
if getattr (n, 'grace', ''): # a grace note (and possibly a chord note)
|
|
grace = E.Element ('grace')
|
|
if s.acciatura: grace.set ('slash', 'yes'); s.acciatura = 0
|
|
addElem (nt, grace, lev + 1)
|
|
dvs = rdvs = 0 # no (real) duration for a grace note
|
|
if den <= 16: den = 32 # not longer than 1/8 for a grace note
|
|
if s.gcue_on: # insert cue tag
|
|
cue = E.Element ('cue')
|
|
addElem (nt, cue, lev + 1)
|
|
if getattr (n, 'chord', ''): # a chord note
|
|
chord = E.Element ('chord')
|
|
addElem (nt, chord, lev + 1)
|
|
rdvs = 0 # chord notes no real duration
|
|
if rdvs and s.ntup >= 0: s.ntup -= 1 # count tuplet notes only on non-chord, non grace notes (rdvs > 0)
|
|
if den not in s.typeMap: # take the nearest smaller legal duration
|
|
info ('illegal duration %d/%d' % (nnum, nden))
|
|
den = min (x for x in s.typeMap.keys () if x > den)
|
|
xmltype = str (s.typeMap [den]) # xml needs the note type in addition to duration
|
|
acc, step, oct = '', 'C', '0' # abc-notated pitch elements (accidental, pitch step, octave)
|
|
alter = '' # xml alteration
|
|
if n.name == 'rest':
|
|
if 'x' in n.t or 'X' in n.t: nt.set ('print-object', 'no')
|
|
rest = E.Element ('rest')
|
|
addElem (nt, rest, lev + 1)
|
|
else:
|
|
p = n.pitch.t # get pitch elements from parsed tokens
|
|
if len (p) == 3: acc, step, oct = p
|
|
else: step, oct = p
|
|
pitch, alter = s.mkPitch (acc, step, oct, lev + 1)
|
|
addElem (nt, pitch, lev + 1)
|
|
if s.ntup >= 0: # modify duration for tuplet notes
|
|
dvs = dvs * s.tmden / s.tmnum
|
|
if dvs: addElemT (nt, 'duration', str (dvs), lev + 1) # skip when dvs == 0, requirement of musicXML
|
|
inst = E.Element ('instrument', id='I-'+s.vid) # instrument id for midi
|
|
if s.midprg != ['', '']: addElem (nt, inst, lev + 1) # only add when %%midi was present
|
|
addElemT (nt, 'voice', '1', lev + 1) # default voice, for merging later
|
|
addElemT (nt, 'type', xmltype, lev + 1) # add note type
|
|
for i in range (ndot): # add dots
|
|
dot = E.Element ('dot')
|
|
addElem (nt, dot, lev + 1)
|
|
ptup = (step, oct) # pitch tuple without alteration to check for ties
|
|
tstop = ptup in s.ties and s.ties[ptup][2] == s.overlayVnum # open tie on this pitch tuple in this overlay
|
|
if acc and not tstop: addElemT (nt, 'accidental', s.accTab [acc], lev + 1) # only add accidental if note not tied
|
|
tupnotation = '' # start/stop notation element for tuplets
|
|
if s.ntup >= 0: # add time modification element for tuplet notes
|
|
tmod = mkTmod (s.tmnum, s.tmden, lev + 1)
|
|
addElem (nt, tmod, lev + 1)
|
|
if s.ntup > 0 and not s.tupnts: tupnotation = 'start'
|
|
s.tupnts.append ((rdvs, tmod)) # remember all tuplet modifiers with corresp. durations
|
|
if s.ntup == 0: # last tuplet note (and possible chord notes there after)
|
|
if rdvs: tupnotation = 'stop' # only insert notation in the real note (rdvs > 0)
|
|
s.cmpNormType (rdvs, lev + 1) # compute and/or add normal-type elements (-> s.ntype)
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
if gstaff: addElemT (nt, 'staff', str (gstaff), lev + 1)
|
|
s.doBeams (n, nt, den, lev + 1)
|
|
s.doNotations (n, ptup, alter, tupnotation, tstop, nt, lev + 1)
|
|
if n.objs: s.doLyr (n, nt, lev + 1)
|
|
return nt
|
|
|
|
def cmpNormType (s, rdvs, lev): # compute the normal-type of a tuplet (only needed for Finale)
|
|
if rdvs: # the last real tuplet note (chord notes can still follow afterwards with rdvs == 0)
|
|
durs = [dur for dur, tmod in s.tupnts if dur > 0]
|
|
ndur = sum (durs) / s.tmnum # duration of the normal type
|
|
s.irrtup = any ((dur != ndur) for dur in durs) # irregular tuplet
|
|
tix = 16 * s.divisions / ndur # index in typeMap of normal-type duration
|
|
if tix in s.typeMap:
|
|
s.ntype = str (s.typeMap [tix]) # the normal-type
|
|
else: s.irrtup = 0 # give up, no normal type possible
|
|
if s.irrtup: # only add normal-type for irregular tuplets
|
|
for dur, tmod in s.tupnts: # add normal-type to all modifiers
|
|
addElemT (tmod, 'normal-type', s.ntype, lev + 1)
|
|
s.tupnts = [] # reset the tuplet buffer
|
|
|
|
def doNotations (s, n, ptup, alter, tupnotation, tstop, nt, lev):
|
|
slurs = getattr (n, 'slurs', 0) # slur ends
|
|
pts = getattr (n, 'pitches', []) # all chord notes available in the first note
|
|
if pts: # make list of pitches in chord: [(pitch, octave), ..]
|
|
if type (pts.pitch) == pObj: pts = [pts.pitch] # chord with one note
|
|
else: pts = [tuple (p.t[-2:]) for p in pts.pitch] # normal chord
|
|
for pt, (tie_alter, nts, vnum) in s.ties.items (): # scan all open ties and delete illegal ones
|
|
if vnum != s.overlayVnum: continue # tie belongs to different overlay
|
|
if pts and pt in pts: continue # pitch tuple of tie exists in chord
|
|
if getattr (n, 'chord', 0): continue # skip chord notes
|
|
if pt == ptup: continue # skip correct single note tie
|
|
if getattr (n, 'grace', 0): continue # skip grace notes
|
|
info ('tie between different pitches: %s%s converted to slur' % pt)
|
|
del s.ties [pt] # remove the note from pending ties
|
|
e = [t for t in nts.findall ('tied') if t.get ('type') == 'start'][0] # get the tie start element
|
|
e.tag = 'slur' # convert tie into slur
|
|
slurnum = len (s.slurstack) + 1
|
|
s.slurstack.append (slurnum)
|
|
e.set ('number', str (slurnum))
|
|
if slurs: slurs.t.append (')') # close slur on this note
|
|
else: slurs = pObj ('slurs', [')'])
|
|
tstart = getattr (n, 'tie', 0) # start a new tie
|
|
decos = s.nextdecos # decorations encountered so far
|
|
ndeco = getattr (n, 'deco', 0) # possible decorations of notes of a chord
|
|
if ndeco: # add decorations, translate used defined symbols
|
|
decos += [s.usrSyms.get (d, d).strip ('!+') for d in ndeco.t]
|
|
s.nextdecos = []
|
|
if not (tstop or tstart or decos or slurs or s.slurbeg or tupnotation): return nt
|
|
nots = E.Element ('notations') # notation element needed
|
|
if tupnotation: # add tuplet type
|
|
tup = E.Element ('tuplet', type=tupnotation)
|
|
if tupnotation == 'start': tup.set ('bracket', 'yes')
|
|
addElem (nots, tup, lev + 1)
|
|
if tstop: # stop tie
|
|
del s.ties[ptup] # remove flag
|
|
tie = E.Element ('tied', type='stop')
|
|
addElem (nots, tie, lev + 1)
|
|
if tstart: # start a tie
|
|
s.ties[ptup] = (alter, nots, s.overlayVnum) # remember pitch tuple to stop tie and apply same alteration
|
|
tie = E.Element ('tied', type='start')
|
|
addElem (nots, tie, lev + 1)
|
|
if decos: # look for slurs and decorations
|
|
arts = [] # collect articulations
|
|
for d in decos: # do all slurs and decos
|
|
if d == '(': s.slurbeg += 1; continue # slurs made in while loop at the end
|
|
elif d == 'fermata' or d == 'H':
|
|
ntn = E.Element ('fermata', type='upright')
|
|
elif d == 'arpeggio':
|
|
ntn = E.Element ('arpeggiate', number='1')
|
|
else: arts.append (d); continue
|
|
addElem (nots, ntn, lev + 1)
|
|
if arts: # do only note articulations and collect staff annotations in xmldecos
|
|
rest = s.doArticulations (nots, arts, lev + 1)
|
|
if rest: info ('unhandled note decorations: %s' % rest)
|
|
while s.slurbeg > 0:
|
|
s.slurbeg -= 1
|
|
slurnum = len (s.slurstack) + 1
|
|
s.slurstack.append (slurnum)
|
|
ntn = E.Element ('slur', number='%d' % slurnum, type='start')
|
|
addElem (nots, ntn, lev + 1)
|
|
if slurs: # these are only slur endings
|
|
for d in slurs.t:
|
|
if not s.slurstack: break # no more open slurs
|
|
slurnum = s.slurstack.pop ()
|
|
slur = E.Element ('slur', number='%d' % slurnum, type='stop')
|
|
addElem (nots, slur, lev + 1)
|
|
if nots.getchildren() != []: # only add notations if not empty
|
|
addElem (nt, nots, lev)
|
|
|
|
def doArticulations (s, nots, arts, lev):
|
|
decos = []
|
|
for a in arts:
|
|
if a in s.artMap:
|
|
art = E.Element ('articulations')
|
|
addElem (nots, art, lev)
|
|
addElem (art, E.Element (s.artMap[a]), lev + 1)
|
|
elif a in s.ornMap:
|
|
orn = E.Element ('ornaments')
|
|
addElem (nots, orn, lev)
|
|
addElem (orn, E.Element (s.ornMap[a]), lev + 1)
|
|
elif a in s.tecMap:
|
|
tec = E.Element ('technical')
|
|
addElem (nots, tec, lev)
|
|
addElem (tec, E.Element (s.tecMap[a]), lev + 1)
|
|
else: decos.append (a) # return staff annotations
|
|
return decos
|
|
|
|
def doLyr (s, n, nt, lev):
|
|
for i, lyrobj in enumerate (n.objs):
|
|
if lyrobj.name != 'syl': continue
|
|
dash = len (lyrobj.t) == 2
|
|
if dash:
|
|
if i in s.lyrdash: type = 'middle'
|
|
else: type = 'begin'; s.lyrdash [i] = 1
|
|
else:
|
|
if i in s.lyrdash: type = 'end'; del s.lyrdash [i]
|
|
else: type = 'single'
|
|
lyrel = E.Element ('lyric', number = str (i + 1))
|
|
addElem (nt, lyrel, lev)
|
|
addElemT (lyrel, 'syllabic', type, lev + 1)
|
|
addElemT (lyrel, 'text', lyrobj.t[0].replace ('~',' '), lev + 1)
|
|
|
|
def doBeams (s, n, nt, den, lev):
|
|
if hasattr (n, 'chord') or hasattr (n, 'grace'):
|
|
s.grcbbrk = s.grcbbrk or n.bbrk.t[0] # remember if there was any bbrk in or before a grace sequence
|
|
return
|
|
bbrk = s.grcbbrk or n.bbrk.t[0] or den < 32
|
|
s.grcbbrk = False
|
|
if not s.prevNote: pbm = None
|
|
else: pbm = s.prevNote.find ('beam')
|
|
bm = E.Element ('beam', number='1')
|
|
bm.text = 'begin'
|
|
if pbm != None:
|
|
if bbrk:
|
|
if pbm.text == 'begin':
|
|
s.prevNote.remove (pbm)
|
|
elif pbm.text == 'continue':
|
|
pbm.text = 'end'
|
|
s.prevNote = None
|
|
else: bm.text = 'continue'
|
|
if den >= 32 and n.name != 'rest':
|
|
addElem (nt, bm, lev)
|
|
s.prevNote = nt
|
|
|
|
def stopBeams (s):
|
|
if not s.prevNote: return
|
|
pbm = s.prevNote.find ('beam')
|
|
if pbm != None:
|
|
if pbm.text == 'begin':
|
|
s.prevNote.remove (pbm)
|
|
elif pbm.text == 'continue':
|
|
pbm.text = 'end'
|
|
s.prevNote = None
|
|
|
|
def staffDecos (s, decos, maat, lev, bardecos=0):
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
for d in decos:
|
|
d = s.usrSyms.get (d, d).strip ('!+') # try to replace user defined symbol
|
|
if d in s.dynaMap:
|
|
dynel = E.Element ('dynamics')
|
|
addDirection (maat, dynel, lev, gstaff, [E.Element (d)], 'below', s.gcue_on)
|
|
elif d in s.wedgeMap: # wedge
|
|
if ')' in d: type = 'stop'
|
|
else: type = 'crescendo' if '<' in d or 'crescendo' in d else 'diminuendo'
|
|
addDirection (maat, E.Element ('wedge', type=type), lev, gstaff)
|
|
elif d in ['coda', 'segno']:
|
|
if bardecos: s.bardecos.append (d) # postpone to begin next measure
|
|
else:
|
|
text, attr, val = s.capoMap [d]
|
|
dir = addDirection (maat, E.Element (text), lev, gstaff, placement='above')
|
|
sound = E.Element ('sound'); sound.set (attr, val)
|
|
addElem (dir, sound, lev + 1)
|
|
elif d in s.capoMap:
|
|
text, attr, val = s.capoMap [d]
|
|
words = E.Element ('words'); words.text = text
|
|
dir = addDirection (maat, words, lev, gstaff, placement='above')
|
|
sound = E.Element ('sound'); sound.set (attr, val)
|
|
addElem (dir, sound, lev + 1)
|
|
elif d == '(': s.slurbeg += 1 # start slur on next note
|
|
else: s.nextdecos.append (d) # keep annotation for the next note
|
|
|
|
def doFields (s, maat, fieldmap, lev):
|
|
def doClef ():
|
|
clef, gtrans = 0, 0
|
|
clefn = re.search (r'alto1|alto2|alto4|alto|tenor|bass3|bass|treble|perc|none', field)
|
|
clefm = re.search (r"(?:^m=| m=|middle=)([A-Ga-g])([,']*)", field)
|
|
trans_oct2 = re.search (r'octave=([-+]\d)', field)
|
|
trans = re.search (r'(?:^t=| t=|transpose=)(-?[\d]+)', field)
|
|
trans_oct = re.search (r'([+-^_])(8|15)', field)
|
|
cue_onoff = re.search (r'cue=(on|off)', field)
|
|
if clefn:
|
|
clef = clefn.group ()
|
|
if clefm:
|
|
note, octstr = clefm.groups ()
|
|
nUp = note.upper ()
|
|
octnum = (4 if nUp == note else 5) + (len (octstr) if "'" in octstr else -len (octstr))
|
|
gtrans = (3 if nUp in 'AFD' else 4) - octnum
|
|
if clef not in ['perc', 'none']: clef = s.clefLineMap [nUp]
|
|
if clef:
|
|
s.gtrans = gtrans # only change global tranposition when a clef is really defined
|
|
sign, line = s.clefMap [clef]
|
|
if not sign: return
|
|
c = E.Element ('clef')
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # the current staff number
|
|
if gstaff: c.set ('number', str (gstaff)) # only add staff number when defined
|
|
addElemT (c, 'sign', sign, lev + 2)
|
|
if line: addElemT (c, 'line', line, lev + 2)
|
|
if trans_oct:
|
|
n = trans_oct.group (1) in '-_' and -1 or 1
|
|
if trans_oct.group (2) == '15': n *= 2 # 8 => 1 octave, 15 => 2 octaves
|
|
addElemT (c, 'clef-octave-change', str (n), lev + 2) # transpose print out
|
|
if trans_oct.group (1) in '+-': s.gtrans += n # also transpose all pitches with one octave
|
|
if trans_oct2:
|
|
n = int (trans_oct2.group (1))
|
|
s.gtrans += n
|
|
atts.append ((7, c))
|
|
if trans != None: # add transposition in semitones
|
|
e = E.Element ('transpose')
|
|
addElemT (e, 'chromatic', str (trans.group (1)), lev + 3)
|
|
atts.append ((9, e))
|
|
if cue_onoff: s.gcue_on = cue_onoff.group (1) == 'on'
|
|
atts = [] # collect xml attribute elements [(order-number, xml-element), ..]
|
|
for ftype, field in fieldmap.items ():
|
|
if not field: # skip empty fields
|
|
continue
|
|
if ftype == 'Div': # not an abc field, but handled as if
|
|
d = E.Element ('divisions')
|
|
d.text = field
|
|
atts.append ((1, d))
|
|
elif ftype == 'gstaff': # make grand staff
|
|
e = E.Element ('staves')
|
|
e.text = str (field)
|
|
atts.append ((4, e))
|
|
elif ftype == 'M':
|
|
if field == 'none': continue
|
|
if field == 'C': field = '4/4'
|
|
elif field == 'C|': field = '2/2'
|
|
t = E.Element ('time')
|
|
if '/' not in field:
|
|
info ('M:%s not recognized, 4/4 assumed' % field)
|
|
field = '4/4'
|
|
beats, btype = field.split ('/')[:2]
|
|
try: s.mdur = simplify (eval (beats), int (btype)) # measure duration for Z and X rests (eval allows M:2+3/4)
|
|
except:
|
|
info ('error in M:%s, 4/4 assumed' % field)
|
|
s.mdur = (4,4)
|
|
beats, btype = '4','4'
|
|
addElemT (t, 'beats', beats, lev + 2)
|
|
addElemT (t, 'beat-type', btype, lev + 2)
|
|
atts.append ((3, t))
|
|
elif ftype == 'K':
|
|
accs = ['F','C','G','D','A','E','B'] # == s.sharpness [7:14]
|
|
mode = ''
|
|
key = re.match (r'\s*([A-G][#b]?)\s*([a-zA-Z]*)', field)
|
|
alts = re.search (r'\s((\s?[=^_][A-Ga-g])+)', ' ' + field) # avoid matching middle=G and m=G
|
|
if key:
|
|
key, mode = key.groups ()
|
|
mode = mode.lower ()[:3] # only first three chars, no case
|
|
if mode not in s.offTab: mode = 'maj'
|
|
fifths = s.sharpness.index (key) - s.offTab [mode]
|
|
if fifths >= 0: s.keyAlts = dict (zip (accs[:fifths], fifths * ['1']))
|
|
else: s.keyAlts = dict (zip (accs[fifths:], -fifths * ['-1']))
|
|
elif field.startswith ('none') or field == '': # the default key
|
|
fifths = 0
|
|
mode = 'maj'
|
|
if alts:
|
|
alts = re.findall (r'[=^_][A-Ga-g]', alts.group(1)) # list of explicit alterations
|
|
alts = [(x[1], s.alterTab [x[0]]) for x in alts] # [step, alter]
|
|
for step, alter in alts: # correct permanent alterations for this key
|
|
s.keyAlts [step.upper ()] = alter
|
|
k = E.Element ('key')
|
|
koctave = []
|
|
lowerCaseSteps = [step.upper () for step, alter in alts if step.islower ()]
|
|
for step, alter in s.keyAlts.items ():
|
|
if alter == '0': # skip neutrals
|
|
del s.keyAlts [step.upper ()] # otherwise you get neutral signs on normal notes
|
|
continue
|
|
addElemT (k, 'key-step', step.upper (), lev + 2)
|
|
addElemT (k, 'key-alter', alter, lev + 2)
|
|
koctave.append ('5' if step in lowerCaseSteps else '4')
|
|
if koctave: # only key signature if not empty
|
|
for oct in koctave:
|
|
e = E.Element ('key-octave', number=oct)
|
|
addElem (k, e, lev + 2)
|
|
atts.append ((2, k))
|
|
elif mode:
|
|
k = E.Element ('key')
|
|
addElemT (k, 'fifths', str (fifths), lev + 2)
|
|
addElemT (k, 'mode', s.modTab [mode], lev + 2)
|
|
atts.append ((2, k))
|
|
doClef ()
|
|
elif ftype == 'L':
|
|
s.unitLcur = map (int, field.split ('/'))
|
|
if len (s.unitLcur) == 1 or s.unitLcur[1] not in s.typeMap:
|
|
info ('L:%s is not allowed, 1/8 assumed' % field)
|
|
s.unitLcur = 1,8
|
|
elif ftype == 'V':
|
|
doClef ()
|
|
elif ftype == 'I':
|
|
xs = s.doField_I (ftype, field)
|
|
if xs and len (xs) == 1: # when "%%MIDI transpose" matched insert 'attribute/transpose/chromatic'
|
|
e = E.Element ('transpose')
|
|
addElemT (e, 'chromatic', xs[0], lev + 2) # xs[0] == signed number string given after transpose
|
|
atts.append ((9, e))
|
|
if xs and len (xs) == 2: # repeated occurrence of [I:MIDI] -> instrument change
|
|
midchan, midprog = xs
|
|
snd = E.Element ('sound')
|
|
mi = E.Element ('midi-instrument', id='I-' + s.vid)
|
|
addElem (maat, snd, lev)
|
|
addElem (snd, mi, lev + 1)
|
|
if midchan: addElemT (mi, 'midi-channel', midchan, lev + 2)
|
|
if midprog: addElemT (mi, 'midi-program', str (int (midprog) + 1), lev + 2) # compatible with abc2midi
|
|
|
|
elif ftype == 'Q':
|
|
s.doTempo (maat, field, lev)
|
|
elif ftype in 'TCOAZNGHRBDFSU':
|
|
info ('**illegal header field in body: %s, content: %s' % (ftype, field))
|
|
else:
|
|
info ('unhandled field: %s, content: %s' % (ftype, field))
|
|
|
|
if atts:
|
|
att = E.Element ('attributes') # insert sub elements in the order required by musicXML
|
|
addElem (maat, att, lev)
|
|
for _, att_elem in sorted (atts): # ordering !
|
|
addElem (att, att_elem, lev + 1)
|
|
|
|
def doTempo (s, maat, field, lev):
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
t = re.search (r'(\d)/(\d\d?)\s*=\s*([.\d]+)|([.\d]+)', field)
|
|
if not t: return
|
|
try:
|
|
if t.group (4):
|
|
num, den, upm = 1, s.unitLcur[1] , float (t.group (4))
|
|
else:
|
|
num, den, upm = int (t.group (1)), int (t.group (2)), float (t.group (3))
|
|
except: return # float or int conversion failure
|
|
if num != 1: info ('in Q: numerator > 1 in %d/%d not supported' % (num, den))
|
|
qpm = 4. * num * upm / den
|
|
metro = E.Element ('metronome')
|
|
u = E.Element ('beat-unit'); u.text = s.typeMap [4 * den]
|
|
pm = E.Element ('per-minute'); pm.text = '%.2f' % upm
|
|
dir = addDirection (maat, metro, lev, gstaff, [u, pm], placement='above')
|
|
sound = E.Element ('sound'); sound.set ('tempo', '%.2f' % qpm)
|
|
addElem (dir, sound, lev + 1)
|
|
|
|
def mkBarline (s, maat, loc, lev, style='', dir='', ending=''):
|
|
b = E.Element ('barline', location=loc)
|
|
if style:
|
|
addElemT (b, 'bar-style', style, lev + 1)
|
|
if s.curVolta: # first stop a current volta
|
|
end = E.Element ('ending', number=s.curVolta, type='stop')
|
|
s.curVolta = ''
|
|
if loc == 'left': # stop should always go to a right barline
|
|
bp = E.Element ('barline', location='right')
|
|
addElem (bp, end, lev + 1)
|
|
addElem (s.prevmsre, bp, lev) # prevmsre has no right barline! (ending would have stopped there)
|
|
else:
|
|
addElem (b, end, lev + 1)
|
|
if ending:
|
|
ending = ending.replace ('-',',') # MusicXML only accepts comma's
|
|
endtxt = ''
|
|
if ending.startswith ('"'): # ending is a quoted string
|
|
endtxt = ending.strip ('"')
|
|
ending = '33' # any number that is not likely to occur elsewhere
|
|
end = E.Element ('ending', number=ending, type='start')
|
|
if endtxt: end.text = endtxt # text appears in score in stead of number attribute
|
|
addElem (b, end, lev + 1)
|
|
s.curVolta = ending
|
|
if dir:
|
|
r = E.Element ('repeat', direction=dir)
|
|
addElem (b, r, lev + 1)
|
|
addElem (maat, b, lev)
|
|
|
|
def doChordSym (s, maat, sym, lev):
|
|
alterMap = {'#':'1','=':'0','b':'-1'}
|
|
rnt = sym.root.t
|
|
chord = E.Element ('harmony')
|
|
addElem (maat, chord, lev)
|
|
root = E.Element ('root')
|
|
addElem (chord, root, lev + 1)
|
|
addElemT (root, 'root-step', rnt[0], lev + 2)
|
|
if len (rnt) == 2: addElemT (root, 'root-alter', alterMap [rnt[1]], lev + 2)
|
|
kind = s.chordTab.get (sym.kind.t[0], 'major')
|
|
addElemT (chord, 'kind', kind, lev + 1)
|
|
degs = getattr (sym, 'degree', '')
|
|
if degs:
|
|
if type (degs) != types.ListType: degs = [degs]
|
|
for deg in degs:
|
|
deg = deg.t[0]
|
|
if deg[0] == '#': alter = '1'; deg = deg[1:]
|
|
elif deg[0] == 'b': alter = '-1'; deg = deg[1:]
|
|
else: alter = '0'; deg = deg
|
|
degree = E.Element ('degree')
|
|
addElem (chord, degree, lev + 1)
|
|
addElemT (degree, 'degree-value', deg, lev + 2)
|
|
addElemT (degree, 'degree-alter', alter, lev + 2)
|
|
addElemT (degree, 'degree-type', 'add', lev + 2)
|
|
|
|
def mkMeasure (s, i, t, lev, fieldmap={}):
|
|
s.msreAlts = {}
|
|
s.ntup = -1
|
|
s.acciatura = 0 # next grace element gets acciatura attribute
|
|
overlay = 0
|
|
maat = E.Element ('measure', number = str(i))
|
|
if fieldmap: s.doFields (maat, fieldmap, lev + 1)
|
|
if s.linebrk: # there was a line break in the previous measure
|
|
e = E.Element ('print')
|
|
e.set ('new-system', 'yes')
|
|
addElem (maat, e, lev + 1)
|
|
s.linebrk = 0
|
|
if s.bardecos: # output coda and segno attached to the previous right barline
|
|
s.staffDecos (s.bardecos, maat, lev + 1)
|
|
s.bardecos = []
|
|
for it, x in enumerate (t):
|
|
if x.name == 'note' or x.name == 'rest':
|
|
note = s.mkNote (x, lev + 1)
|
|
addElem (maat, note, lev + 1)
|
|
elif x.name == 'lbar':
|
|
bar = x.t[0]
|
|
if bar == '|': pass # skip redundant bar
|
|
elif ':' in bar: # forward repeat
|
|
volta = x.t[1] if len (x.t) == 2 else ''
|
|
s.mkBarline (maat, 'left', lev + 1, style='heavy-light', dir='forward', ending=volta)
|
|
else: # bar must be a volta number
|
|
s.mkBarline (maat, 'left', lev + 1, ending=bar)
|
|
elif x.name == 'rbar':
|
|
if hasattr (x, 'deco'): # MuseScore does not support this -> emergency solution
|
|
s.staffDecos (x.deco.t, maat, lev + 1, bardecos=1) # coda, segno -> next measure
|
|
bar = x.t[0]
|
|
if bar == '.|':
|
|
s.mkBarline (maat, 'right', lev + 1, style='dotted')
|
|
elif ':' in bar: # backward repeat
|
|
s.mkBarline (maat, 'right', lev + 1, style='light-heavy', dir='backward')
|
|
elif bar == '||':
|
|
s.mkBarline (maat, 'right', lev + 1, style='light-light')
|
|
elif bar == '[|]' or bar == '[]':
|
|
s.mkBarline (maat, 'right', lev + 1, style='none')
|
|
elif '[' in bar or ']' in bar:
|
|
s.mkBarline (maat, 'right', lev + 1, style='light-heavy')
|
|
elif bar[0] == '&': overlay = 1
|
|
elif x.name == 'tup':
|
|
if len (x.t) == 3: n, into, nts = x.t
|
|
else: n, into, nts = x.t[0], 0, 0
|
|
if into == 0: into = 3 if n in [2,4,8] else 2
|
|
if nts == 0: nts = n
|
|
s.tmnum, s.tmden, s.ntup = n, into, nts
|
|
elif x.name == 'deco':
|
|
s.staffDecos (x.t, maat, lev + 1) # output staff decos, postpone note decos to next note
|
|
elif x.name == 'text':
|
|
pos, text = x.t[:2]
|
|
place = 'above' if pos == '^' else 'below'
|
|
words = E.Element ('words')
|
|
words.text = text
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
addDirection (maat, words, lev + 1, gstaff, placement=place)
|
|
elif x.name == 'inline':
|
|
fieldtype, fieldval = x.t[:2]
|
|
s.doFields (maat, {fieldtype:fieldval}, lev + 1)
|
|
elif x.name == 'accia': s.acciatura = 1
|
|
elif x.name == 'linebrk':
|
|
s.supports_tag = 1
|
|
if it > 0 and t[it -1].name == 'lbar': # we are at start of measure
|
|
e = E.Element ('print') # output linebreak now
|
|
e.set ('new-system', 'yes')
|
|
addElem (maat, e, lev + 1)
|
|
else:
|
|
s.linebrk = 1 # output linebreak at start of next measure
|
|
elif x.name == 'chordsym':
|
|
s.doChordSym (maat, x, lev + 1)
|
|
s.stopBeams ()
|
|
s.prevmsre = maat
|
|
return maat, overlay
|
|
|
|
def mkPart (s, maten, id, lev, attrs, nstaves):
|
|
s.slurstack = []
|
|
s.unitLcur = s.unitL # set the default unit length at begin of each voice
|
|
s.curVolta = ''
|
|
s.lyrdash = {}
|
|
s.linebrk = 0
|
|
s.midprg = ['', ''] # MIDI channel nr, program nr for the current part
|
|
s.gcue_on = 0 # reset cue note marker for each new voice
|
|
s.gtrans = 0 # reset octave transposition (by clef)
|
|
part = E.Element ('part', id=id)
|
|
s.overlayVnum = 0 # overlay voice number to relate ties that extend from one overlayed measure to the next
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
attrs_cpy = attrs.copy () # don't change attrs itself in next line
|
|
if gstaff == 1: attrs_cpy ['gstaff'] = nstaves # make a grand staff
|
|
msre, overlay = s.mkMeasure (1, maten[0], lev + 1, attrs_cpy)
|
|
addElem (part, msre, lev + 1)
|
|
for i, maat in enumerate (maten[1:]):
|
|
s.overlayVnum = s.overlayVnum + 1 if overlay else 0
|
|
msre, next_overlay = s.mkMeasure (i+2, maat, lev + 1)
|
|
if overlay: mergePartMeasure (part, msre, s.overlayVnum)
|
|
else: addElem (part, msre, lev + 1)
|
|
overlay = next_overlay
|
|
return part
|
|
|
|
def mkScorePart (s, id, vids_p, partAttr, lev):
|
|
naam, subnm, midprg = partAttr [id]
|
|
sp = E.Element ('score-part', id='P'+id)
|
|
nm = E.Element ('part-name')
|
|
nm.text = naam
|
|
addElem (sp, nm, lev + 1)
|
|
snm = E.Element ('part-abbreviation')
|
|
snm.text = subnm
|
|
if subnm: addElem (sp, snm, lev + 1) # only add if subname was given
|
|
if s.staves: instr_vids = [vids for vids in s.staves if vids[0] == id][0]
|
|
else: instr_vids = [id]
|
|
inst = []
|
|
for id in instr_vids:
|
|
if id not in partAttr: continue # error in %%score -> instr_vids may have non existing id's
|
|
naam, subnm, midprg = partAttr [id]
|
|
midchan, midprog = midprg
|
|
if not midchan and not midprog: continue # only add if program nr or channel was given
|
|
si = E.Element ('score-instrument', id='I-'+id)
|
|
addElemT (si, 'instrument-name', naam, lev + 2)
|
|
mi = E.Element ('midi-instrument', id='I-'+id)
|
|
if midchan: addElemT (mi, 'midi-channel', midchan, lev + 2)
|
|
if midprog: addElemT (mi, 'midi-program', str (int (midprog) + 1), lev + 2) # compatible with abc2midi
|
|
inst.append ((si, mi))
|
|
for si, mi in inst: addElem (sp, si, lev + 1)
|
|
for si, mi in inst: addElem (sp, mi, lev + 1)
|
|
return sp, len (inst)
|
|
|
|
def mkPartlist (s, vids, partAttr, lev):
|
|
def addPartGroup (sym, num):
|
|
pg = E.Element ('part-group', number=str (num), type='start')
|
|
addElem (partlist, pg, lev + 1)
|
|
addElemT (pg, 'group-symbol', sym, lev + 2)
|
|
addElemT (pg, 'group-barline', 'yes', lev + 2)
|
|
partlist = E.Element ('part-list')
|
|
g_num = 0 # xml group number
|
|
nInstrs = [] # number of instruments in each part
|
|
for g in (s.groups or vids): # brace/bracket or abc_voice_id
|
|
if g == '[': g_num += 1; addPartGroup ('bracket', g_num)
|
|
elif g == '{': g_num += 1; addPartGroup ('brace', g_num)
|
|
elif g in '}]':
|
|
pg = E.Element ('part-group', number=str (g_num), type='stop')
|
|
addElem (partlist, pg, lev + 1)
|
|
g_num -= 1
|
|
else: # g = abc_voice_id
|
|
if g not in vids: continue # error in %%score
|
|
sp, nInst = s.mkScorePart (g, vids, partAttr, lev + 1)
|
|
addElem (partlist, sp, lev + 1)
|
|
nInstrs.append (nInst)
|
|
return partlist, nInstrs
|
|
|
|
def doField_I (s, type, x):
|
|
def readPfmt (x, n): # read ABC page formatting constant
|
|
if not s.pageFmtAbc: s.pageFmtAbc = s.pageFmtDef # set the default values on first change
|
|
ro = re.search (r'[^.\d]*([\d.]+)\s*(cm|in|pt)?', x) # float followed by unit
|
|
if ro:
|
|
x, unit = ro.groups () # unit == None when not present
|
|
u = {'cm':10., 'in':25.4, 'pt':25.4/72} [unit] if unit else 1.
|
|
s.pageFmtAbc [n] = float (x) * u # convert ABC values to millimeters
|
|
else: info ('error in page format: %s' % x)
|
|
|
|
if x.startswith ('score') or x.startswith ('staves'):
|
|
s.staveDefs += [x] # collect all voice mappings
|
|
elif x.startswith ('staffwidth'): info ('skipped I-field: %s' % x)
|
|
elif x.startswith ('staff'): # set new staff number of the current voice
|
|
r1 = re.search (r'staff *([+-]?)(\d)', x)
|
|
if r1:
|
|
sign = r1.group (1)
|
|
num = int (r1.group (2))
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
if sign: # relative staff number
|
|
num = (sign == '-') and gstaff - num or gstaff + num
|
|
else: # absolute abc staff number
|
|
try: vabc = s.staves [num - 1][0] # vid of (first voice of) abc-staff num
|
|
except: vabc = 0; info ('abc staff %s does not exist' % num)
|
|
num = s.gStaffNumsOrg.get (vabc, 0) # xml staff number of abc-staff num
|
|
if gstaff and num > 0 and num <= s.gNstaves [s.vid]:
|
|
s.gStaffNums [s.vid] = num
|
|
else: info ('could not relocate to staff: %s' % r1.group ())
|
|
else: info ('not a valid staff redirection: %s' % x)
|
|
elif x.startswith ('scale'): readPfmt (x, 0)
|
|
elif x.startswith ('pageheight'): readPfmt (x, 1)
|
|
elif x.startswith ('pagewidth'): readPfmt (x, 2)
|
|
elif x.startswith ('leftmargin'): readPfmt (x, 3)
|
|
elif x.startswith ('rightmargin'): readPfmt (x, 4)
|
|
elif x.startswith ('topmargin'): readPfmt (x, 5)
|
|
elif x.startswith ('botmargin'): readPfmt (x, 6)
|
|
elif x.startswith ('MIDI'):
|
|
r1 = re.search (r'program *(\d*) +(\d+)', x)
|
|
r2 = re.search (r'channel\D*(\d+)', x)
|
|
if r1: ch, prg = r1.groups () # channel nr or '', program nr
|
|
if r2: ch, prg = r2.group (1), '' # channel nr only
|
|
if r1 or r2:
|
|
if s.midprg[1] == '': # no instrument defined yet
|
|
s.midprg[1] = prg
|
|
if ch: s.midprg[0] = ch
|
|
elif ch and s.midprg[0] == '': # no channel defined yet
|
|
s.midprg[0] = ch
|
|
else: # repeated midi def -> insert instument change
|
|
return [ch, prg]
|
|
r = re.search (r'transpose[^-\d]*(-?\d+)', x)
|
|
if r: return [r.group (1)]
|
|
else: info ('skipped I-field: %s' % x)
|
|
|
|
def parseStaveDef (s, vdefs):
|
|
if not s.staveDefs: return vdefs
|
|
for x in s.staveDefs [1:]: info ('%%%%%s dropped, multiple stave mappings not supported' % x)
|
|
x = s.staveDefs [0] # only the first %%score is honoured
|
|
score = abc_scoredef.parseString (x) [0]
|
|
f = lambda x: type (x) == types.UnicodeType and [x] or x
|
|
s.staves = map (f, mkStaves (score, vdefs))
|
|
s.grands = map (f, mkGrand (score, vdefs))
|
|
s.groups = mkGroups (score)
|
|
vce_groups = [vids for vids in s.staves if len (vids) > 1] # all voice groups
|
|
d = {} # for each voice group: map first voice id -> all merged voice ids
|
|
for vgr in vce_groups: d [vgr[0]] = vgr
|
|
for gstaff in s.grands: # for all grand staves
|
|
if len (gstaff) == 1: continue # skip single parts
|
|
for v, stf_num in zip (gstaff, range (1, len (gstaff) + 1)):
|
|
for vx in d.get (v, [v]): # allocate staff numbers
|
|
s.gStaffNums [vx] = stf_num # to all constituant voices
|
|
s.gNstaves [vx] = len (gstaff) # also remember total number of staves
|
|
s.gStaffNumsOrg = s.gStaffNums.copy () # keep original allocation for abc -> xml staff map
|
|
return vdefs
|
|
|
|
def voiceNamesAndMaps (s, ps): # get voice names and mappings
|
|
vdefs = {}
|
|
for vid, vcedef, vce in ps: # vcedef == emtpy of first pObj == voice definition
|
|
pname, psubnm = '', '' # part name and abbreviation
|
|
if not vcedef: # simple abc without voice definitions
|
|
vdefs [vid] = pname, psubnm, ''
|
|
else: # abc with voice definitions
|
|
if vid != vcedef.t[1]: info ('voice ids unequal: %s (reg-ex) != %s (grammar)' % (vid, vcedef.t[1]))
|
|
rn = re.search (r'(?:name|nm)="([^"]*)"', vcedef.t[2])
|
|
if rn: pname = rn.group (1)
|
|
rn = re.search (r'(?:subname|snm|sname)="([^"]*)"', vcedef.t[2])
|
|
if rn: psubnm = rn.group (1)
|
|
vdefs [vid] = pname, psubnm, vcedef.t[2]
|
|
xs = [pObj.t[1] for maat in vce for pObj in maat if pObj.name == 'inline'] # all inline statements in vce
|
|
s.staveDefs += [x for x in xs if x.startswith ('score') or x.startswith ('staves')] # filter %%score and %%staves
|
|
return vdefs
|
|
|
|
def doHeaderField (s, fld, attrmap):
|
|
type, value = fld.t[:2]
|
|
if not value: # skip empty field
|
|
return
|
|
if type == 'M':
|
|
attrmap [type] = value
|
|
elif type == 'L':
|
|
try: s.unitL = map (int, fld.t[1].split ('/'))
|
|
except:
|
|
info ('illegal unit length:%s, 1/8 assumed' % fld.t[1])
|
|
s.unitL = 1,8
|
|
if len (s.unitL) == 1 or s.unitL[1] not in s.typeMap:
|
|
info ('L:%s is not allowed, 1/8 assumed' % fld.t[1])
|
|
s.unitL = 1,8
|
|
elif type == 'K':
|
|
attrmap[type] = value
|
|
elif type == 'T':
|
|
if s.title: s.title = s.title + '\n' + value
|
|
else: s.title = value
|
|
elif type == 'C':
|
|
s.creator ['composer'] = s.creator.get ('composer', '') + value
|
|
elif type == 'Z':
|
|
s.creator ['lyricist'] = s.creator.get ('lyricist', '') + value
|
|
elif type == 'U':
|
|
sym = fld.t[2].strip ('!+')
|
|
s.usrSyms [value] = sym
|
|
elif type == 'I':
|
|
s.doField_I (type, value)
|
|
elif type == 'Q':
|
|
attrmap[type] = value
|
|
elif type in s.creditTab: s.credits [s.creditTab [type]] = value
|
|
else:
|
|
info ('skipped header: %s' % fld)
|
|
|
|
def mkIdentification (s, score, lev):
|
|
if s.title:
|
|
addElemT (score, 'movement-title', s.title, lev + 1)
|
|
ident = E.Element ('identification')
|
|
addElem (score, ident, lev + 1)
|
|
if s.creator:
|
|
for ctype, cname in s.creator.items ():
|
|
c = E.Element ('creator', type=ctype)
|
|
c.text = cname
|
|
addElem (ident, c, lev + 2)
|
|
encoding = E.Element ('encoding')
|
|
addElem (ident, encoding, lev + 2)
|
|
encoder = E.Element ('encoder')
|
|
encoder.text = 'abc2xml version %d' % VERSION
|
|
addElem (encoding, encoder, lev + 3)
|
|
if s.supports_tag: # avoids interference of auto-flowing and explicit linebreaks
|
|
suports = E.Element ('supports', attribute="new-system", element="print", type="yes", value="yes")
|
|
addElem (encoding, suports, lev + 3)
|
|
encodingDate = E.Element ('encoding-date')
|
|
encodingDate.text = str (datetime.date.today ())
|
|
addElem (encoding, encodingDate, lev + 3)
|
|
|
|
def mkDefaults (s, score, lev):
|
|
if s.pageFmtCmd: s.pageFmtAbc = s.pageFmtCmd
|
|
if not s.pageFmtAbc: return # do not output the defaults if none is desired
|
|
space, h, w, l, r, t, b = s.pageFmtAbc
|
|
mils = 4 * space # staff height in millimeters
|
|
scale = 40. / mils # tenth's per millimeter
|
|
dflts = E.Element ('defaults')
|
|
addElem (score, dflts, lev)
|
|
scaling = E.Element ('scaling')
|
|
addElem (dflts, scaling, lev + 1)
|
|
addElemT (scaling, 'millimeters', '%g' % mils, lev + 2)
|
|
addElemT (scaling, 'tenths', '40', lev + 2)
|
|
layout = E.Element ('page-layout')
|
|
addElem (dflts, layout, lev + 1)
|
|
addElemT (layout, 'page-height', '%g' % (h * scale), lev + 2)
|
|
addElemT (layout, 'page-width', '%g' % (w * scale), lev + 2)
|
|
margins = E.Element ('page-margins', type='both')
|
|
addElem (layout, margins, lev + 2)
|
|
addElemT (margins, 'left-margin', '%g' % (l * scale), lev + 3)
|
|
addElemT (margins, 'right-margin', '%g' % (r * scale), lev + 3)
|
|
addElemT (margins, 'top-margin', '%g' % (t * scale), lev + 3)
|
|
addElemT (margins, 'bottom-margin', '%g' % (b * scale), lev + 3)
|
|
|
|
def mkCredits (s, score, lev):
|
|
if not s.credits: return
|
|
for ctype, ctext in s.credits.items ():
|
|
credit = E.Element ('credit', page='1')
|
|
addElemT (credit, 'credit-type', ctype, lev + 2)
|
|
addElemT (credit, 'credit-words', ctext, lev + 2)
|
|
addElem (score, credit, lev)
|
|
|
|
def parse (s, abc_string):
|
|
abctext = abc_string if type (abc_string) == types.UnicodeType else decodeInput (abc_string)
|
|
abctext = abctext.replace ('[I:staff ','[I:staff') # avoid false beam breaks
|
|
s.reset ()
|
|
header, voices = splitHeaderVoices (abctext)
|
|
ps = []
|
|
try:
|
|
hs = abc_header.parseString (header) if header else ''
|
|
for id, vce_lyr in voices: # vce_lyr = [voice-block] where voice-block = (measures, corresponding lyric lines)
|
|
vcelyr = [] # list of measures where measure = list of elements (see syntax)
|
|
prevLeftBar = None # previous voice ended with a left-bar symbol (double repeat)
|
|
for voice, lyr in vce_lyr:
|
|
vce = abc_voice.parseString (voice).asList ()
|
|
if not vce: # empty voice, insert an inline field that will be rejected
|
|
vce = [[pObj ('inline', ['I', 'empty voice'])]]
|
|
if prevLeftBar:
|
|
vce[0].insert (0, prevLeftBar) # insert at begin of first measure
|
|
prevLeftBar = None
|
|
if vce[-1] and vce[-1][-1].name == 'lbar': # last measure ends with an lbar
|
|
prevLeftBar = vce[-1][-1]
|
|
if len (vce) > 1: # vce should not become empty (-> exception when taking vcelyr [0][0])
|
|
del vce[-1] # lbar was the only element in measure vce[-1]
|
|
lyr = lyr.strip () # strip leading \n (because we split on '\nw:...')
|
|
if lyr: # no lyrics for this measures-lyrics block
|
|
lyr = lyr_block.parseString (lyr).asList ()
|
|
xs = alignLyr (vce, lyr) # put all syllables into corresponding notes
|
|
else: xs = vce
|
|
vcelyr += xs
|
|
elem1 = vcelyr [0][0] # the first element of the first measure
|
|
if elem1.name == 'inline'and elem1.t[0] == 'V': # is a voice definition
|
|
voicedef = elem1
|
|
del vcelyr [0][0] # do not read voicedef twice
|
|
else:
|
|
voicedef = ''
|
|
ps.append ((id, voicedef, vcelyr))
|
|
except ParseException, err:
|
|
if err.loc > 40: # limit length of error message, compatible with markInputline
|
|
err.pstr = err.pstr [err.loc - 40: err.loc + 40]
|
|
err.loc = 40
|
|
xs = err.line[err.col-1:]
|
|
try: info (err.line.encode ('utf-8'), warn=0) # err.line is a unicode string!!
|
|
except: info (err.line.encode ('latin-1'), warn=0)
|
|
info ((err.col-1) * '-' + '^', warn=0)
|
|
if re.search (r'\[U:[XYZxyz]', xs):
|
|
info ('Error: illegal user defined symbol: %s' % xs[1:], warn=0)
|
|
elif re.search (r'\[[OAPZNGHRBDFSXTCIU]:', xs):
|
|
info ('Error: header-only field %s appears after K:' % xs[1:], warn=0)
|
|
else:
|
|
info ('Syntax error at column %d' % err.col, warn=0)
|
|
raise err
|
|
|
|
s.unitL = (1, 8)
|
|
s.title = ''
|
|
s.creator = {} # {creator type -> name string}
|
|
s.credits = {} # {credit type -> string}
|
|
score = E.Element ('score-partwise')
|
|
attrmap = {'Div': str (s.divisions), 'K':'C treble', 'M':'4/4'}
|
|
for res in hs:
|
|
if res.name == 'field':
|
|
s.doHeaderField (res, attrmap)
|
|
else:
|
|
info ('unexpected header item: %s' % res)
|
|
|
|
vdefs = s.voiceNamesAndMaps (ps)
|
|
vdefs = s.parseStaveDef (vdefs)
|
|
|
|
lev = 0
|
|
vids, parts, partAttr = [], [], {}
|
|
for vid, _, vce in ps: # voice id, voice parse tree
|
|
pname, psubnm, voicedef = vdefs [vid] # part name
|
|
attrmap ['V'] = voicedef # abc text of first voice definition (after V:vid) or empty
|
|
pid = 'P%s' % vid # let part id start with an alpha
|
|
s.vid = vid # avoid parameter passing, needed in mkNote for instrument id
|
|
part = s.mkPart (vce, pid, lev + 1, attrmap, s.gNstaves.get (vid, 0))
|
|
if 'Q' in attrmap: del attrmap ['Q'] # header tempo only in first part
|
|
parts.append (part)
|
|
vids.append (vid)
|
|
partAttr [vid] = (pname, psubnm, s.midprg)
|
|
parts, vidsnew = mergeParts (parts, vids, s.staves) # merge parts into staves as indicated by %%score
|
|
parts, _ = mergeParts (parts, vidsnew, s.grands, 1) # merge grand staves
|
|
|
|
s.mkIdentification (score, lev)
|
|
s.mkDefaults (score, lev + 1)
|
|
s.mkCredits (score, lev)
|
|
|
|
partlist, nInstrs = s.mkPartlist (vids, partAttr, lev + 1)
|
|
addElem (score, partlist, lev + 1)
|
|
for ip, part in enumerate (parts):
|
|
if nInstrs [ip] < 2: # no instrument tag needed for one- or no-instrument parts
|
|
removeElems (part, 'measure/note', 'instrument')
|
|
addElem (score, part, lev + 1)
|
|
|
|
return score
|
|
|
|
def decodeInput (data_string):
|
|
try: enc = 'utf-8'; unicode_string = data_string.decode (enc)
|
|
except:
|
|
try: enc = 'latin-1'; unicode_string = data_string.decode (enc)
|
|
except: raise Exception ('data not encoded in utf-8 nor in latin-1')
|
|
info ('decoded from %s' % enc)
|
|
return unicode_string
|
|
|
|
xmlVersion = "<?xml version='1.0' encoding='utf-8'?>"
|
|
def fixDoctype (elem, enc):
|
|
xs = E.tostring (elem, encoding=enc)
|
|
ys = xs.split ('\n')
|
|
if enc == 'utf-8': ys.insert (0, xmlVersion) # crooked logic of ElementTree lib
|
|
ys.insert (1, '<!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 3.0 Partwise//EN" "http://www.musicxml.org/dtds/partwise.dtd">')
|
|
return '\n'.join (ys)
|
|
|
|
def xml2mxl (pad, fnm, data): # write xml data to compressed .mxl file
|
|
from zipfile import ZipFile, ZIP_DEFLATED
|
|
fnmext = fnm + '.xml' # file name with extension, relative to the root within the archive
|
|
outfile = os.path.join (pad, fnm + '.mxl')
|
|
meta = '%s\n<container><rootfiles>\n' % xmlVersion
|
|
meta += '<rootfile full-path="%s" media-type="application/vnd.recordare.musicxml+xml"/>\n' % fnmext
|
|
meta += '</rootfiles></container>'
|
|
f = ZipFile (outfile, 'w', ZIP_DEFLATED)
|
|
f.writestr ('META-INF/container.xml', meta)
|
|
f.writestr (fnmext, data)
|
|
f.close ()
|
|
info ('%s written' % outfile, warn=0)
|
|
|
|
def convert (pad, fnm, abc_string, mxl):
|
|
# these globals should be initialised (as in the __main__ secion) before calling convert
|
|
global mxm # optimisation 1: keep instance of MusicXml
|
|
global abc_header, abc_voice, lyr_block, abc_scoredef # optimisation 2: keep computed grammars
|
|
score = mxm.parse (abc_string)
|
|
if pad:
|
|
data = fixDoctype (score, 'utf-8')
|
|
if not mxl or mxl in ['a', 'add']:
|
|
outfnm = os.path.join (pad, fnm + '.xml')
|
|
outfile = file (outfnm, 'wb')
|
|
outfile.write (data)
|
|
outfile.close ()
|
|
info ('%s written' % outfnm, warn=0)
|
|
if mxl: xml2mxl (pad, fnm, data) # also write a compressed version
|
|
else:
|
|
outfile = sys.stdout
|
|
outfile.write (fixDoctype (score, 'utf-8'))
|
|
outfile.write ('\n')
|
|
|
|
#----------------
|
|
# Main Program
|
|
#----------------
|
|
if __name__ == '__main__':
|
|
from optparse import OptionParser
|
|
from glob import glob
|
|
import time
|
|
global mxm # keep instance of MusicXml
|
|
global abc_header, abc_voice, lyr_block, abc_scoredef # keep computed grammars
|
|
mxm = MusicXml ()
|
|
|
|
parser = OptionParser (usage='%prog [-h] [-r] [-m SKIP NUM] [-o DIR] [-p PFMT] [-z MODE] <file1> [<file2> ...]', version='version %d' % VERSION)
|
|
parser.add_option ("-o", action="store", help="store xml files in DIR", default='', metavar='DIR')
|
|
parser.add_option ("-m", action="store", help="skip SKIP tunes, then read at most NUM tunes", nargs=2, type='int', default=(0,1), metavar='SKIP NUM')
|
|
parser.add_option ("-p", action="store", help="page formatting in PFMT", default='', metavar='PFMT')
|
|
parser.add_option ("-z", "--mxl", dest="mxl", help="store as compressed mxl, MODE = a(dd) or r(eplace)", default='', metavar='MODE')
|
|
parser.add_option ("-r", action="store_true", help="show whole measure rests in merged staffs", default=False)
|
|
options, args = parser.parse_args ()
|
|
if len (args) == 0: parser.error ('no input file given')
|
|
pad = options.o
|
|
if options.mxl and options.mxl not in ['a','add', 'r', 'replace']:
|
|
parser.error ('MODE should be a(dd) or r(eplace), not: %s' % options.mxl)
|
|
if pad:
|
|
if not os.path.exists (pad): os.mkdir (pad)
|
|
if not os.path.isdir (pad): parser.error ('%s is not a directory' % pad)
|
|
if options.p: # set page formatting values
|
|
try: # space, page-height, -width, margin-left, -right, -top, -bottom
|
|
mxm.pageFmtCmd = map (float, options.p.split (','))
|
|
if len (mxm.pageFmtCmd) != 7: raise Exception ('-p needs 7 values')
|
|
except Exception, err: parser.error (err)
|
|
mxm.gmwr = options.r # ugly: needs to be globally accessable
|
|
|
|
abc_header, abc_voice, lyr_block, abc_scoredef = abc_grammar () # compute grammar only once per file set
|
|
fnmext_list = []
|
|
for i in args: fnmext_list += glob (i)
|
|
if not fnmext_list: parser.error ('none of the input files exist')
|
|
t_start = time.time ()
|
|
for X, fnmext in enumerate (fnmext_list):
|
|
fnm, ext = os.path.splitext (fnmext)
|
|
if ext.lower () not in ('.abc'):
|
|
info ('skipped input file %s, it should have extension .abc' % fnmext)
|
|
continue
|
|
if os.path.isdir (fnmext):
|
|
info ('skipped directory %s. Only files are accepted' % fnmext)
|
|
continue
|
|
|
|
fobj = open (fnmext, 'rb')
|
|
encoded_data = fobj.read ()
|
|
fobj.close ()
|
|
fragments = encoded_data.split ('X:')
|
|
preamble = fragments [0] # tunes can be preceeded by formatting instructions
|
|
tunes = fragments[1:]
|
|
if not tunes and preamble: tunes, preamble = ['1\n' + preamble], '' # tune without X:
|
|
skip, num = options.m # skip tunes, then read at most num tunes
|
|
numtunes = min ([len (tunes), num]) # number of tunes to be converted
|
|
for itune, tune in enumerate (tunes):
|
|
if itune < skip: continue
|
|
if itune >= skip + num: break
|
|
tune = preamble + 'X:' + tune # restore preamble before each tune
|
|
fnmNum = '%s%02d' % (fnm, itune + 1) if numtunes > 1 else fnm
|
|
try: # convert string abctext -> file pad/fnmNum.xml
|
|
convert (pad, fnmNum, tune, options.mxl)
|
|
except ParseException, err: pass # output already printed
|
|
except Exception, err: info ('an exception occurred.\n%s' % err)
|
|
info ('done in %.2f secs' % (time.time () - t_start))
|