forked from CryHavoc/dottes
2240 lines
128 KiB
Python
2240 lines
128 KiB
Python
#!/usr/bin/env python
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# coding=latin-1
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'''
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Copyright (C) 2012-2018: Willem G. Vree
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Contributions: Nils Liberg, Nicolas Froment, Norman Schmidt, Reinier Maliepaard, Martin Tarenskeen,
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Paul Villiger, Alexander Scheutzow, Herbert Schneider, David Randolph, Michael Strasser
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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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Lesser GNU General Public License as published by the Free Software Foundation;
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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 Lesser GNU General Public License for more details. <http://www.gnu.org/licenses/lgpl.html>.
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'''
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from functools import reduce
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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 = 238
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python3 = sys.version_info[0] > 2
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lmap = lambda f, xs: list (map (f, xs)) # eager map for python 3
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if python3:
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int_type = int
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list_type = list
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str_type = str
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uni_type = str
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stdin = sys.stdin.buffer # read binary!
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else:
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int_type = types.IntType
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list_type = types.ListType
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str_type = types.StringTypes
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uni_type = types.UnicodeType
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stdin = sys.stdin
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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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#-----------------------------------------------------------------
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# expressions that catch and skip some syntax errors (see corresponding parse expressions)
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#-----------------------------------------------------------------
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b1 = Word (u"-,'<>\u2019#", exact=1) # catch misplaced chars in chords
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b2 = Regex ('[^H-Wh-w~=]*') # same in user defined symbol definition
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b3 = Regex ('[^=]*') # same, second part
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#-----------------------------------------------------------------
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# ABC header (field_str 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
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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 Y') # info fields
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X_field = Literal ('X') + Suppress (':') + field_str
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U_field = Literal ('U') + Suppress (':') + b2 + Optional (userdef_symbol, 'H') + b3 + 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 (']')
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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 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_str = CharsNotIn ('*~-_| \t\n\\]')
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syl_chars = Combine (OneOrMore (syl_str | Regex (r'\\.')))
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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_line = Optional (white).suppress () + ZeroOrMore (lyr_elem)
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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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lyr_line_wsp = lyr_line.leaveWhitespace () # parse actions must be set before calling leaveWhitespace
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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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lyr_fld = Suppress ('[') + Suppress ('w') + Suppress (':') + lyr_line_wsp + Suppress (']') # lyric line
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lyr_blk = OneOrMore (lyr_fld) # verses
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fld_or_lyr = inline_field | lyr_blk # inline field or block of lyric verses
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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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pizzicato = Literal ('!+!') # special case: plus sign is old style deco marker
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decoration = slur_beg | staccato | userdef_symbol | long_decoration | pizzicato
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decorations = OneOrMore (decoration)
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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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dec_note = Optional (decorations) + pitch + note_length + Optional (tie) + Optional (slur_ends)
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chord_note = dec_note | rest | b1
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grace_notes = Forward ()
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chord = Suppress ('[') + OneOrMore (chord_note | 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 min7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5')
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sixth = oneOf ('6 ma6 M6 mi6 min6 m6')
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ninth = oneOf ('9 ma9 M9 maj9 Maj9 mi9 min9 m9')
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elevn = oneOf ('11 ma11 M11 maj11 Maj11 mi11 min11 m11')
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thirt = oneOf ('13 ma13 M13 maj13 Maj13 mi13 min13 m13')
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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 | thirt | 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 = 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 = fld_or_lyr | broken | decorations | 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) + Optional (lyr_blk))
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noBarMeasure = Group (ZeroOrMore (inline_field) + Optional (bar_left) + OneOrMore (element) + Optional (linebreak) + Optional (lyr_blk))
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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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# I:percmap note [step] [midi] [note-head]
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#----------------------------------------
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white2 = (white | StringEnd ()).suppress ()
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w3 = Optional (white2)
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percid = Word (alphanums + '-')
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step = basenote + Optional (octave, 0)
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pitchg = Group (Optional (accidental, '') + step + FollowedBy (white2))
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stepg = Group (step + FollowedBy (white2)) | Literal ('*')
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midi = (Literal ('*') | number | pitchg | percid)
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nhd = Optional (Combine (percid + Optional ('+')), '')
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perc_wsp = Literal ('percmap') + w3 + pitchg + w3 + Optional (stepg, '*') + w3 + Optional (midi, '*') + w3 + nhd
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abc_percmap = perc_wsp.leaveWhitespace ()
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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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lyr_fld.setParseAction (lambda t: pObj ('lyr_fld', t, 1))
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lyr_blk.setParseAction (lambda t: pObj ('lyr_blk', t, 1)) # 1 = keep ordered list of lyric lines
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grace_notes.setParseAction (doGrace)
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acciaccatura.setParseAction (lambda t: pObj ('accia', t))
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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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pizzicato.setParseAction (lambda t: ['!plus!']) # translate !+!
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slur_ends.setParseAction (lambda t: pObj ('slurs', t))
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chord.setParseAction (lambda t: pObj ('chord', t, 1))
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dec_note.setParseAction (noteActn)
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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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b1.setParseAction (errorWarn)
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b2.setParseAction (errorWarn)
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b3.setParseAction (errorWarn)
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errors.setParseAction (errorWarn)
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return abc_header, abc_voice, abc_scoredef, abc_percmap
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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) == list_type: 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, str_type): xs.append (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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if not t[0]: return [] # only warn if catched string not empty
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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
|
|
|
|
def ptc2midi (n): # convert parsed pitch attribute to a midi number
|
|
pt = getattr (n, 'pitch', '')
|
|
if pt:
|
|
p = pt.t
|
|
if len (p) == 3: acc, step, oct = p
|
|
else: acc = ''; step, oct = p
|
|
nUp = step.upper ()
|
|
oct = (4 if nUp == step else 5) + int (oct)
|
|
midi = oct * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (nUp)] + {'^':1,'_':-1}.get (acc, 0) + 12
|
|
else: midi = 130 # all non pitch objects first
|
|
return midi
|
|
|
|
def convertChord (t): # convert chord to sequence of notes in musicXml-style
|
|
ins = []
|
|
for i, x in enumerate (t):
|
|
if x.name == 'chord':
|
|
if hasattr (x, 'rest') and not hasattr (x, 'note'): # chords containing only rests
|
|
if type (x.rest) == list_type: x.rest = x.rest[0] # more rests == one rest
|
|
ins.insert (0, (i, [x.rest])) # just output a single rest, no chord
|
|
continue
|
|
num1, den1 = x.dur.t # chord duration
|
|
tie = getattr (x, 'tie', None) # chord tie
|
|
slurs = getattr (x, 'slurs', []) # slur endings
|
|
if type (x.note) != list_type: x.note = [x.note] # when chord has only one note ...
|
|
elms = []; j = 0 # sort chord notes, highest first
|
|
nss = sorted (x.objs, key = ptc2midi, reverse=1) if mxm.orderChords else x.objs
|
|
for nt in nss: # all chord elements (note | decorations | rest | grace note)
|
|
if nt.name == 'note':
|
|
num2, den2 = nt.dur.t # note duration * chord duration
|
|
nt.dur.t = simplify (num1 * num2, den1 * den2)
|
|
if tie: nt.tie = tie # tie on all chord notes
|
|
if j == 0 and slurs: nt.slurs = slurs # slur endings only on first chord note
|
|
if j > 0: nt.chord = pObj ('chord', [1]) # label all but first as chord notes
|
|
else: # remember all pitches of the chord in the first note
|
|
pitches = [n.pitch for n in x.note] # to implement conversion of erroneous ties to slurs
|
|
nt.pitches = pObj ('pitches', pitches)
|
|
j += 1
|
|
if nt.name not in ['dur','tie','slurs','rest']: elms.append (nt)
|
|
ins.insert (0, (i, elms)) # chord position, [note|decotation|grace note]
|
|
for i, notes in ins: # insert from high to low
|
|
for nt in reversed (notes):
|
|
t.insert (i+1, nt) # insert chord notes after chord
|
|
del t[i] # remove chord itself
|
|
|
|
def doMaat (t): # t is a Group() result -> the measure is in t[0]
|
|
convertBroken (t[0]) # remove all broken rhythms and convert to normal durations
|
|
convertChord (t[0]) # replace chords by note sequences in musicXML style
|
|
|
|
def doGrace (t): # t is a Group() result -> the grace sequence is in t[0]
|
|
convertChord (t[0]) # a grace sequence may have chords
|
|
for nt in t[0]: # flag all notes within the grace sequence
|
|
if nt.name == 'note': nt.grace = 1 # set grace attribute
|
|
return t[0] # ungroup the parse result
|
|
#--------------------
|
|
# musicXML generation
|
|
#----------------------------------
|
|
|
|
def compChordTab (): # avoid some typing work: returns mapping constant {ABC chordsyms -> musicXML kind}
|
|
maj, min, aug, dim, dom, ch7, ch6, ch9, ch11, ch13, hd = 'major minor augmented diminished dominant -seventh -sixth -ninth -11th -13th 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 min7 m7 dim7 o7 -7 aug7 +7 m7b5 mi7b5'.split (),
|
|
[dom, maj+ch7, maj+ch7, maj+ch7, maj+ch7, min+ch7, min+ch7, min+ch7, dim+ch7, dim+ch7, min+ch7, aug+ch7, aug+ch7, hd, hd])
|
|
sixth = zip ('6 ma6 M6 mi6 min6 m6'.split (), [maj+ch6, maj+ch6, maj+ch6, min+ch6, min+ch6, min+ch6])
|
|
ninth = zip ('9 ma9 M9 maj9 Maj9 mi9 min9 m9'.split (), [dom+ch9, maj+ch9, maj+ch9, maj+ch9, maj+ch9, min+ch9, min+ch9, min+ch9])
|
|
elevn = zip ('11 ma11 M11 maj11 Maj11 mi11 min11 m11'.split (), [dom+ch11, maj+ch11, maj+ch11, maj+ch11, maj+ch11, min+ch11, min+ch11, min+ch11])
|
|
thirt = zip ('13 ma13 M13 maj13 Maj13 mi13 min13 m13'.split (), [dom+ch13, maj+ch13, maj+ch13, maj+ch13, maj+ch13, min+ch13, min+ch13, min+ch13])
|
|
sus = zip ('sus sus4 sus2'.split (), ['suspended-fourth', 'suspended-fourth', 'suspended-second'])
|
|
return dict (list (triad) + list (seventh) + list (sixth) + list (ninth) + list (elevn) + list (thirt) + list (sus))
|
|
|
|
def addElem (parent, child, level):
|
|
indent = 2
|
|
chldrn = list (parent)
|
|
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)
|
|
return e
|
|
|
|
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, elems, lev, gstaff, subelms=[], placement='below', cue_on=0):
|
|
dir = E.Element ('direction', placement=placement)
|
|
addElem (parent, dir, lev)
|
|
if type (elems) != list_type: elems = [(elems, subelms)] # ugly hack to provide for multiple direction types
|
|
for elem, subelms in elems: # add direction types
|
|
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 elem in vce: # reiterate the voice block for each lyrics line
|
|
if elem.name == 'note' and not (hasattr (elem, 'chord') or hasattr (elem, 'grace')):
|
|
if i >= len (lyr): lr = empty_el
|
|
else: lr = lyr [i]
|
|
lr.t[0] = lr.t[0].replace ('%5d',']')
|
|
elem.objs.append (lr)
|
|
if lr.name != 'sbar': i += 1
|
|
if elem.name == 'rbar' and 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):
|
|
escField = lambda x: '[' + x.replace (']',r'%5d') + ']' # hope nobody uses %5d in a field
|
|
r1 = re.compile (r'%.*$') # comments
|
|
r2 = re.compile (r'^([A-Zw]:.*$)|\[[A-Zw]:[^]]*]$') # information field, including lyrics
|
|
r3 = re.compile (r'^%%(?=[^%])') # directive: ^%% folowed by not a %
|
|
xs, nx, mcont, fcont = [], 0, 0, 0 # result lines, X-encountered, music continuation, field continuation
|
|
mln = fln = '' # music line, field line
|
|
for x in abctext.splitlines ():
|
|
x = x.strip ()
|
|
if not x and nx == 1: break # end of tune (empty line)
|
|
if x.startswith ('X:'):
|
|
if nx == 1: break # second tune starts without an empty line !!
|
|
nx = 1 # start first tune
|
|
x = r3.sub ('I:', x) # replace %% -> I:
|
|
x2 = r1.sub ('', x) # remove comment
|
|
while x2.endswith ('*') and not (x2.startswith ('w:') or x2.startswith ('+:') or 'percmap' in x2):
|
|
x2 = x2[:-1] # remove old syntax for right adjusting
|
|
if not x2: continue # empty line
|
|
if x2[:2] == 'W:':
|
|
field = x2 [2:].strip ()
|
|
ftype = mxm.metaMap.get ('W', 'W') # respect the (user defined --meta) mapping of various ABC fields to XML meta data types
|
|
c = mxm.metadata.get (ftype, '')
|
|
mxm.metadata [ftype] = c + '\n' + field if c else field # concatenate multiple info fields with new line as separator
|
|
continue # skip W: lyrics
|
|
if x2[:2] == '+:': # field continuation
|
|
fln += x2[2:]
|
|
continue
|
|
ro = r2.match (x2) # single field on a line
|
|
if ro: # field -> inline_field, escape all ']'
|
|
if fcont: # old style \-info-continuation active
|
|
fcont = x2 [-1] == '\\' # possible further \-info-continuation
|
|
fln += re.sub (r'^.:(.*?)\\*$', r'\1', x2) # add continuation, remove .: and \
|
|
continue
|
|
if fln: mln += escField (fln)
|
|
if x2.startswith ('['): x2 = x2.strip ('[]')
|
|
fcont = x2 [-1] == '\\' # first encounter of old style \-info-continuation
|
|
fln = x2.rstrip ('\\') # remove continuation from field and inline brackets
|
|
continue
|
|
if nx == 1: # x2 is a new music line
|
|
fcont = 0 # stop \-continuations (-> only adjacent \-info-continuations are joined)
|
|
if fln:
|
|
mln += escField (fln)
|
|
fln = ''
|
|
if mcont:
|
|
mcont = x2 [-1] == '\\'
|
|
mln += x2.rstrip ('\\')
|
|
else:
|
|
if mln: xs.append (mln); mln = ''
|
|
mcont = x2 [-1] == '\\'
|
|
mln = x2.rstrip ('\\')
|
|
if not mcont: xs.append (mln); mln = ''
|
|
if fln: mln += escField (fln)
|
|
if mln: xs.append (mln)
|
|
|
|
hs = re.split (r'(\[K:[^]]*\])', xs [0]) # look for end of header K:
|
|
if len (hs) == 1: header = hs[0]; xs [0] = '' # no K: present
|
|
else: header = hs [0] + hs [1]; xs [0] = ''.join (hs[2:]) # h[1] is the first K:
|
|
abctext = '\n'.join (xs) # the rest is body text
|
|
hfs, vfs = [], []
|
|
for x in header[1:-1].split (']['):
|
|
if x[0] == 'V': vfs.append (x) # filter voice- and midi-definitions
|
|
elif x[:6] == 'I:MIDI': vfs.append (x) # from the header to vfs
|
|
elif x[:9] == 'I:percmap': vfs.append (x) # and also percmap
|
|
else: hfs.append (x) # all other fields stay in header
|
|
header = '[' + ']['.join (hfs) + ']' # restore the header
|
|
abctext = ('[' + ']['.join (vfs) + ']' if vfs else '') + abctext # prepend voice/midi from header before abctext
|
|
|
|
xs = abctext.split ('[V:')
|
|
if len (xs) == 1: abctext = '[V:1]' + abctext # abc has no voice defs at all
|
|
elif re.sub (r'\[[A-Z]:[^]]*\]', '', 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 ValueError ('bugs ...')
|
|
else:
|
|
pm = re.findall (r'\[P:.\]', xs[0]) # all P:-marks after K: but before first V:
|
|
if pm: xs[2] = ''.join (pm) + xs[2] # prepend P:-marks to the text of the first voice
|
|
header += re.sub (r'\[P:.\]', '', xs[0]) # clear all P:-marks from text between K: and first V: and put text 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
|
|
if not id: id, vce = '1', '[V:1]' # voice def has no ID
|
|
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
|
|
voice = fixSlurs (voice) # put slurs right after the notes
|
|
voices.append ((id, voice))
|
|
return header, voices
|
|
|
|
def mergeMeasure (m1, m2, slur_offset, voice_offset, rOpt, is_grand=0, is_overlay=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'))
|
|
repbar, nns, es = 0, 0, [] # nns = number of real notes in m2
|
|
for e in list (m2): # 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 (rOpt or e.find ('rest') == None): nns += 1
|
|
if e.tag == 'barline' and e.find ('repeat') != None: repbar = e;
|
|
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
|
|
elif is_overlay and repbar: addElem (m1, repbar, level=3) # merge repeat in empty overlay
|
|
|
|
def mergePartList (parts, rOpt, 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 list (e):
|
|
if c.tag == 'clef': continue # keep clef attribute
|
|
if c.tag == 'staff-details': continue # keep staff-details attribute
|
|
e.remove (c) # delete all other attrinutes for higher staff numbers
|
|
if len (list (e)) == 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, rOpt, is_grand) # may change slur numbers in p1
|
|
return p1
|
|
|
|
def mergeParts (parts, vids, staves, rOpt, 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, rOpt, is_grand)
|
|
else: mergedpart = xparts [0]
|
|
partsnew.append (mergedpart)
|
|
vidsnew.append (vids [pixs[0]])
|
|
return partsnew, vidsnew
|
|
|
|
def mergePartMeasure (part, msre, ovrlaynum, rOpt): # merge msre into last measure of part, only for overlays
|
|
slur_offset = 0; # slur numbers determined by the slurstack size (as in a single voice)
|
|
last_msre = list (part)[-1] # last measure in part
|
|
mergeMeasure (last_msre, msre, slur_offset, ovrlaynum, rOpt, is_overlay=1) # voice offset = s.overlayVNum
|
|
|
|
def pushSlur (boogStapel, stem):
|
|
if stem not in boogStapel: boogStapel [stem] = [] # initialize slurstack for stem
|
|
boognum = sum (map (len, boogStapel.values ())) + 1 # number of open slurs in all (overlay) voices
|
|
boogStapel [stem].append (boognum)
|
|
return boognum
|
|
|
|
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
|
|
|
|
def stepTrans (step, soct, clef): # [A-G] (1...8)
|
|
if clef.startswith ('bass'):
|
|
nm7 = 'C,D,E,F,G,A,B'.split (',')
|
|
n = 14 + nm7.index (step) - 12 # two octaves extra to avoid negative numbers
|
|
step, soct = nm7 [n % 7], soct + n // 7 - 2 # subtract two octaves again
|
|
return step, soct
|
|
|
|
def reduceMids (parts, vidsnew, midiInst): # remove redundant instruments from a part
|
|
for pid, part in zip (vidsnew, parts):
|
|
mids, repls, has_perc = {}, {}, 0
|
|
for ipid, ivid, ch, prg, vol, pan in sorted (list (midiInst.values ())):
|
|
if ipid != pid: continue # only instruments from part pid
|
|
if ch == '10': has_perc = 1; continue # only consider non percussion instruments
|
|
instId, inst = 'I%s-%s' % (ipid, ivid), (ch, prg)
|
|
if inst in mids: # midi instrument already defined in this part
|
|
repls [instId] = mids [inst] # remember to replace instId by inst (see below)
|
|
del midiInst [instId] # instId is redundant
|
|
else: mids [inst] = instId # collect unique instruments in this part
|
|
if len (mids) < 2 and not has_perc: # only one instrument used -> no instrument tags needed in notes
|
|
removeElems (part, 'measure/note', 'instrument') # no instrument tag needed for one- or no-instrument parts
|
|
else:
|
|
for e in part.findall ('measure/note/instrument'):
|
|
id = e.get ('id') # replace all redundant instrument Id's
|
|
if id in repls: e.set ('id', repls [id])
|
|
|
|
class stringAlloc:
|
|
def __init__ (s):
|
|
s.snaarVrij = [] # [[(t1, t2) ...] for each string ]
|
|
s.snaarIx = [] # index in snaarVrij for each string
|
|
s.curstaff = -1 # staff being allocated
|
|
def beginZoek (s): # reset snaarIx at start of each voice
|
|
s.snaarIx = []
|
|
for i in range (len (s.snaarVrij)): s.snaarIx.append (0)
|
|
def setlines (s, stflines, stfnum):
|
|
if stfnum != s.curstaff: # initialize for new staff
|
|
s.curstaff = stfnum
|
|
s.snaarVrij = []
|
|
for i in range (stflines): s.snaarVrij.append ([])
|
|
s.beginZoek ()
|
|
def isVrij (s, snaar, t1, t2): # see if string snaar is free between t1 and t2
|
|
xs = s.snaarVrij [snaar]
|
|
for i in range (s.snaarIx [snaar], len (xs)):
|
|
tb, te = xs [i]
|
|
if t1 >= te: continue # te_prev < t1 <= te
|
|
if t1 >= tb: s.snaarIx [snaar] = i; return 0 # tb <= t1 < te
|
|
if t2 > tb: s.snaarIx [snaar] = i; return 0 # t1 < tb < t2
|
|
s.snaarIx [snaar] = i; # remember position for next call
|
|
xs.insert (i, (t1,t2)) # te_prev < t1 < t2 < tb
|
|
return 1
|
|
xs.append ((t1,t2))
|
|
s.snaarIx [snaar] = len (xs) - 1
|
|
return 1
|
|
def bezet (s, snaar, t1, t2): # force allocation of note (t1,t2) on string snaar
|
|
xs = s.snaarVrij [snaar]
|
|
for i, (tb, te) in enumerate (xs):
|
|
if t1 >= te: continue # te_prev < t1 <= te
|
|
xs.insert (i, (t1, t2))
|
|
return
|
|
xs.append ((t1,t2))
|
|
|
|
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,'pppp':1,'f':1,'ff':1,'fff':1,'ffff':1,'mp':1,'mf':1,'sfz':1}
|
|
tempoMap = {'larghissimo':40, 'moderato':104, 'adagissimo':44, 'allegretto':112, 'lentissimo':48, 'allegro':120, 'largo':56,
|
|
'vivace':168, 'adagio':59, 'vivo':180, 'lento':62, 'presto':192, 'larghetto':66, 'allegrissimo':208, 'adagietto':76,
|
|
'vivacissimo':220, 'andante':88, 'prestissimo':240, 'andantino':96}
|
|
wedgeMap = {'>(':1, '>)':1, '<(':1,'<)':1,'crescendo(':1,'crescendo)':1,'diminuendo(':1,'diminuendo)':1}
|
|
artMap = {'.':'staccato','>':'accent','accent':'accent','wedge':'staccatissimo','tenuto':'tenuto',
|
|
'breath':'breath-mark','marcato':'strong-accent','^':'strong-accent','slide':'scoop'}
|
|
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', 'plus':'stopped','open':'open-string','snap':'snap-pizzicato',
|
|
'thumb':'thumb-position'}
|
|
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':('',''), 'tab':('TAB','5')}
|
|
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 = [0.75,297,210,18,18,10,10] # the abcm2ps page formatting defaults for A4
|
|
metaTab = {'O':'origin', 'A':'area', 'Z':'transcription', 'N':'notes', 'G':'group', 'H':'history', 'R':'rhythm',
|
|
'B':'book', 'D':'discography', 'F':'fileurl', 'S':'source', 'P':'partmap', 'W':'lyrics'}
|
|
metaMap = {'C':'composer'} # mapping of composer is fixed
|
|
metaTypes = {'composer':1,'lyricist':1,'poet':1,'arranger':1,'translator':1, 'rights':1} # valid MusicXML meta data types
|
|
tuningDef = 'E2,A2,D3,G3,B3,E4'.split (',') # default string tuning (guitar)
|
|
|
|
def __init__ (s):
|
|
s.pageFmtCmd = [] # set by command line option -p
|
|
s.reset ()
|
|
def reset (s, fOpt=False):
|
|
s.divisions = 2520 # xml duration of 1/4 note, 2^3 * 3^2 * 5 * 7 => 5,7,9 tuplets
|
|
s.ties = {} # {abc pitch tuple -> alteration} for all open ties
|
|
s.slurstack = {} # stack of open slur numbers per (overlay) voice
|
|
s.slurbeg = [] # type 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.trem = 0 # number of bars for tremolo
|
|
s.intrem = 0 # mark tremolo sequence (for duration doubling)
|
|
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.title = '' # title of music
|
|
s.creator = {} # {creator-type -> creator string}
|
|
s.metadata = {} # {metadata-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.prevLyric = {} # xml element of previous lyric to add/correct extend type (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.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, volume, panning for the current part
|
|
s.vid = '' # abc voice id for the current voice
|
|
s.pid = '' # xml part id for the current voice
|
|
s.gcue_on = 0 # insert <cue/> tag in each note
|
|
s.percVoice = 0 # 1 if percussion enabled
|
|
s.percMap = {} # (part-id, abc_pitch, xml-octave) -> (abc staff step, midi note number, xml notehead)
|
|
s.pMapFound = 0 # at least one I:percmap has been found
|
|
s.vcepid = {} # voice_id -> part_id
|
|
s.midiInst = {} # inst_id -> (part_id, voice_id, channel, midi_number), remember instruments used
|
|
s.capo = 0 # fret position of the capodastro
|
|
s.tunmid = [] # midi numbers of strings
|
|
s.tunTup = [] # ordered midi numbers of strings [(midi_num, string_num), ...] (midi_num from high to low)
|
|
s.fOpt = fOpt # force string/fret allocations for tab staves
|
|
s.orderChords = 0 # order notes in a chord
|
|
s.chordDecos = {} # decos that should be distributed to all chord notes for xml
|
|
ch10 = 'acoustic-bass-drum,35;bass-drum-1,36;side-stick,37;acoustic-snare,38;hand-clap,39;electric-snare,40;low-floor-tom,41;closed-hi-hat,42;high-floor-tom,43;pedal-hi-hat,44;low-tom,45;open-hi-hat,46;low-mid-tom,47;hi-mid-tom,48;crash-cymbal-1,49;high-tom,50;ride-cymbal-1,51;chinese-cymbal,52;ride-bell,53;tambourine,54;splash-cymbal,55;cowbell,56;crash-cymbal-2,57;vibraslap,58;ride-cymbal-2,59;hi-bongo,60;low-bongo,61;mute-hi-conga,62;open-hi-conga,63;low-conga,64;high-timbale,65;low-timbale,66;high-agogo,67;low-agogo,68;cabasa,69;maracas,70;short-whistle,71;long-whistle,72;short-guiro,73;long-guiro,74;claves,75;hi-wood-block,76;low-wood-block,77;mute-cuica,78;open-cuica,79;mute-triangle,80;open-triangle,81'
|
|
s.percsnd = [x.split (',') for x in ch10.split (';')] # {name -> midi number} of standard channel 10 sound names
|
|
s.gTime = (0,0) # (XML begin time, XML end time) in divisions
|
|
s.tabStaff = '' # == pid (part ID) for a tab staff
|
|
|
|
def mkPitch (s, acc, note, oct, lev):
|
|
if s.percVoice: # percussion map switched off by perc=off (see doClef)
|
|
octq = int (oct) + s.gtrans # honour the octave= transposition when querying percmap
|
|
tup = s.percMap.get ((s.pid, acc+note, octq), s.percMap.get (('', acc+note, octq), 0))
|
|
if tup: step, soct, midi, notehead = tup
|
|
else: step, soct = note, octq
|
|
octnum = (4 if step.upper() == step else 5) + int (soct)
|
|
if not tup: # add percussion map for unmapped notes in this part
|
|
midi = str (octnum * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (step.upper())] + {'^':1,'_':-1}.get (acc, 0) + 12)
|
|
notehead = {'^':'x', '_':'circle-x'}.get (acc, 'normal')
|
|
if s.pMapFound: info ('no I:percmap for: %s%s in part %s, voice %s' % (acc+note, -oct*',' if oct<0 else oct*"'", s.pid, s.vid))
|
|
s.percMap [(s.pid, acc+note, octq)] = (note, octq, midi, notehead)
|
|
else: # correct step value for clef
|
|
step, octnum = stepTrans (step.upper (), octnum, s.curClef)
|
|
pitch = E.Element ('unpitched')
|
|
addElemT (pitch, 'display-step', step.upper (), lev + 1)
|
|
addElemT (pitch, 'display-octave', str (octnum), lev + 1)
|
|
return pitch, '', midi, notehead
|
|
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 getNoteDecos (s, n):
|
|
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 s.tabStaff == s.pid and s.fOpt and n.name != 'rest': # force fret/string allocation if explicit string decoration is missing
|
|
if [d for d in decos if d in '0123456789'] == []: decos.append ('0')
|
|
return decos
|
|
|
|
def mkNote (s, n, lev):
|
|
isgrace = getattr (n, 'grace', '')
|
|
ischord = getattr (n, 'chord', '')
|
|
if s.ntup >= 0 and not isgrace and not ischord:
|
|
s.ntup -= 1 # count tuplet notes only on non-chord, non grace notes
|
|
if s.ntup == -1 and s.trem <= 0:
|
|
s.intrem = 0 # tremolo pair ends at first note that is not a new tremolo pair (s.trem > 0)
|
|
nnum, nden = n.dur.t # abc dutation of note
|
|
if s.intrem: nnum += nnum # double duration of tremolo duplets
|
|
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
|
|
noMsrRest = not (n.name == 'rest' and (num, den) == s.mdur) # not a measure rest
|
|
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 and noMsrRest: ndot = 1; den = den // 2 # look for dotted notes
|
|
if num == 7 and noMsrRest: ndot = 2; den = den // 4
|
|
nt = E.Element ('note')
|
|
if isgrace: # 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 ischord: # a chord note
|
|
chord = E.Element ('chord')
|
|
addElem (nt, chord, lev + 1)
|
|
rdvs = 0 # chord notes no real duration
|
|
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, midi, notehead = '', '', '' # 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')
|
|
if not noMsrRest: rest.set ('measure', 'yes')
|
|
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, midi, notehead = s.mkPitch (acc, step, oct, lev + 1)
|
|
if midi: acc = '' # erase accidental for percussion notes
|
|
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
|
|
if not ischord: s.gTime = s.gTime [1], s.gTime [1] + dvs
|
|
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 tstop:
|
|
tie = E.Element ('tie', type='stop')
|
|
addElem (nt, tie, lev + 1)
|
|
if getattr (n, 'tie', 0):
|
|
tie = E.Element ('tie', type='start')
|
|
addElem (nt, tie, lev + 1)
|
|
if (s.midprg != ['', '', '', ''] or midi) and n.name != 'rest': # only add when %%midi was present or percussion
|
|
instId = 'I%s-%s' % (s.pid, 'X' + midi if midi else s.vid)
|
|
chan, midi = ('10', midi) if midi else s.midprg [:2]
|
|
inst = E.Element ('instrument', id=instId) # instrument id for midi
|
|
addElem (nt, inst, lev + 1)
|
|
if instId not in s.midiInst: s.midiInst [instId] = (s.pid, s.vid, chan, midi, s.midprg [2], s.midprg [3]) # for instrument list in mkScorePart
|
|
addElemT (nt, 'voice', '1', lev + 1) # default voice, for merging later
|
|
if noMsrRest: addElemT (nt, 'type', xmltype, lev + 1) # add note type if not a measure rest
|
|
for i in range (ndot): # add dots
|
|
dot = E.Element ('dot')
|
|
addElem (nt, dot, lev + 1)
|
|
decos = s.getNoteDecos (n) # get decorations for this note
|
|
if acc and not tstop: # only add accidental if note not tied
|
|
e = E.Element ('accidental')
|
|
if 'courtesy' in decos:
|
|
e.set ('parentheses', 'yes')
|
|
decos.remove ('courtesy')
|
|
e.text = s.accTab [acc]
|
|
addElem (nt, e, lev + 1)
|
|
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)
|
|
hasStem = 1
|
|
if not ischord: s.chordDecos = {} # clear on non chord note
|
|
if 'stemless' in decos or (s.nostems and n.name != 'rest') or 'stemless' in s.chordDecos:
|
|
hasStem = 0
|
|
addElemT (nt, 'stem', 'none', lev + 1)
|
|
if 'stemless' in decos: decos.remove ('stemless') # do not handle in doNotations
|
|
if hasattr (n, 'pitches'): s.chordDecos ['stemless'] = 1 # set on first chord note
|
|
if notehead:
|
|
nh = addElemT (nt, 'notehead', re.sub (r'[+-]$', '', notehead), lev + 1)
|
|
if notehead[-1] in '+-': nh.set ('filled', 'yes' if notehead[-1] == '+' else 'no')
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
if gstaff: addElemT (nt, 'staff', str (gstaff), lev + 1)
|
|
if hasStem: s.doBeams (n, nt, den, lev + 1) # no stems -> no beams in a tab staff
|
|
s.doNotations (n, decos, ptup, alter, tupnotation, tstop, nt, lev + 1)
|
|
if n.objs: s.doLyr (n, nt, lev + 1)
|
|
else: s.prevLyric = {} # clear on note without lyrics
|
|
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, decos, 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
|
|
ov = s.overlayVnum # current overlay voice number (0 for the main voice)
|
|
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, ntelm) in sorted (list (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 ntelm.findall ('tie') if t.get ('type') == 'start'][0] # get the tie start element
|
|
ntelm.remove (e) # delete start tie element
|
|
e = [t for t in nts.findall ('tied') if t.get ('type') == 'start'][0] # get the tied start element
|
|
e.tag = 'slur' # convert tie into slur
|
|
slurnum = pushSlur (s.slurstack, ov)
|
|
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
|
|
if not (tstop or tstart or decos or slurs or s.slurbeg or tupnotation or s.trem): return nt
|
|
nots = E.Element ('notations') # notation element needed
|
|
if s.trem: # +/- => tuple tremolo sequence / single note tremolo
|
|
if s.trem < 0: tupnotation = 'single'; s.trem = -s.trem
|
|
if not tupnotation: return # only add notation at first or last note of a tremolo sequence
|
|
orn = E.Element ('ornaments')
|
|
trm = E.Element ('tremolo', type=tupnotation) # type = start, stop or single
|
|
trm.text = str (s.trem) # the number of bars in a tremolo note
|
|
addElem (nots, orn, lev + 1)
|
|
addElem (orn, trm, lev + 2)
|
|
if tupnotation == 'stop' or tupnotation == 'single': s.trem = 0
|
|
elif 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, nt) # remember pitch tuple to stop tie and apply same alteration
|
|
tie = E.Element ('tied', type='start')
|
|
if tstart.t[0] == '.-': tie.set ('line-type', 'dotted')
|
|
addElem (nots, tie, lev + 1)
|
|
if decos: # look for slurs and decorations
|
|
slurMap = { '(':1, '.(':1, '(,':1, "('":1, '.(,':1, ".('":1 }
|
|
arts = [] # collect articulations
|
|
for d in decos: # do all slurs and decos
|
|
if d in slurMap: s.slurbeg.append (d); 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')
|
|
elif d in ['~(', '~)']:
|
|
if d[1] == '(': tp = 'start'; s.glisnum += 1; gn = s.glisnum
|
|
else: tp = 'stop'; gn = s.glisnum; s.glisnum -= 1
|
|
if s.glisnum < 0: s.glisnum = 0; continue # stop without previous start
|
|
ntn = E.Element ('glissando', {'line-type':'wavy', 'number':'%d' % gn, 'type':tp})
|
|
elif d in ['-(', '-)']:
|
|
if d[1] == '(': tp = 'start'; s.slidenum += 1; gn = s.slidenum
|
|
else: tp = 'stop'; gn = s.slidenum; s.slidenum -= 1
|
|
if s.slidenum < 0: s.slidenum = 0; continue # stop without previous start
|
|
ntn = E.Element ('slide', {'line-type':'solid', 'number':'%d' % gn, 'type':tp})
|
|
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 (nt, nots, arts, lev + 1)
|
|
if rest: info ('unhandled note decorations: %s' % rest)
|
|
if slurs: # these are only slur endings
|
|
for d in slurs.t: # slurs to be closed on this note
|
|
if not s.slurstack.get (ov, 0): break # no more open old slurs for this (overlay) voice
|
|
slurnum = s.slurstack [ov].pop ()
|
|
slur = E.Element ('slur', number='%d' % slurnum, type='stop')
|
|
addElem (nots, slur, lev + 1)
|
|
while s.slurbeg: # create slurs beginning on this note
|
|
stp = s.slurbeg.pop (0)
|
|
slurnum = pushSlur (s.slurstack, ov)
|
|
ntn = E.Element ('slur', number='%d' % slurnum, type='start')
|
|
if '.' in stp: ntn.set ('line-type', 'dotted')
|
|
if ',' in stp: ntn.set ('placement', 'below')
|
|
if "'" in stp: ntn.set ('placement', 'above')
|
|
addElem (nots, ntn, lev + 1)
|
|
if list (nots) != []: # only add notations if not empty
|
|
addElem (nt, nots, lev)
|
|
|
|
def doArticulations (s, nt, 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 ['trill(','trill)']:
|
|
orn = E.Element ('ornaments')
|
|
addElem (nots, orn, lev)
|
|
type = 'start' if a.endswith ('(') else 'stop'
|
|
if type == 'start': addElem (orn, E.Element ('trill-mark'), lev + 1)
|
|
addElem (orn, E.Element ('wavy-line', type=type), lev + 1)
|
|
elif a in s.tecMap:
|
|
tec = E.Element ('technical')
|
|
addElem (nots, tec, lev)
|
|
addElem (tec, E.Element (s.tecMap[a]), lev + 1)
|
|
elif a in '0123456':
|
|
tec = E.Element ('technical')
|
|
addElem (nots, tec, lev)
|
|
if s.tabStaff == s.pid: # current voice belongs to a tabStaff
|
|
alt = int (nt.findtext ('pitch/alter') or 0) # find midi number of current note
|
|
step = nt.findtext ('pitch/step')
|
|
oct = int (nt.findtext ('pitch/octave'))
|
|
midi = oct * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (step)] + alt + 12
|
|
if a == '0': # no string annotation: find one
|
|
firstFit = ''
|
|
for smid, istr in s.tunTup: # midi numbers of open strings from high to low
|
|
if midi >= smid: # highest open string where this note can be played
|
|
isvrij = s.strAlloc.isVrij (istr - 1, s.gTime [0], s.gTime [1])
|
|
a = str (istr) # string number
|
|
if not firstFit: firstFit = a
|
|
if isvrij: break
|
|
if not isvrij: # no free string, take the first fit (lowest fret)
|
|
a = firstFit
|
|
s.strAlloc.bezet (int (a) - 1, s.gTime [0], s.gTime [1])
|
|
else: # force annotated string number
|
|
s.strAlloc.bezet (int (a) - 1, s.gTime [0], s.gTime [1])
|
|
bmidi = s.tunmid [int (a) - 1] # midi number of allocated string (with capodastro)
|
|
fret = midi - bmidi # fret position (respecting capodastro)
|
|
if fret < 25 and fret >= 0:
|
|
addElemT (tec, 'fret', str (fret), lev + 1)
|
|
else:
|
|
altp = 'b' if alt == -1 else '#' if alt == 1 else ''
|
|
info ('fret %d out of range, note %s%d on string %s' % (fret, step+altp, oct, a))
|
|
addElemT (tec, 'string', a, lev + 1)
|
|
else:
|
|
addElemT (tec, 'fingering', 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):
|
|
lyrel = E.Element ('lyric', number = str (i + 1))
|
|
if lyrobj.name == 'syl':
|
|
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'
|
|
addElemT (lyrel, 'syllabic', type, lev + 1)
|
|
txt = lyrobj.t[0] # the syllabe
|
|
txt = re.sub (r'(?<!\\)~', ' ', txt) # replace ~ by space when not escaped (preceded by \)
|
|
txt = re.sub (r'\\(.)', r'\1', txt) # replace all escaped characters by themselves (for the time being)
|
|
addElemT (lyrel, 'text', txt, lev + 1)
|
|
elif lyrobj.name == 'ext' and i in s.prevLyric:
|
|
pext = s.prevLyric [i].find ('extend') # identify previous extend
|
|
if pext == None:
|
|
ext = E.Element ('extend', type = 'start')
|
|
addElem (s.prevLyric [i], ext, lev + 1)
|
|
elif pext.get('type') == 'stop': # subsequent extend: stop -> continue
|
|
pext.set ('type', 'continue')
|
|
ext = E.Element ('extend', type = 'stop') # always stop on current extend
|
|
addElem (lyrel, ext, lev + 1)
|
|
elif lyrobj.name == 'ext': info ('lyric extend error'); continue
|
|
else: continue # skip other lyric elements or errors
|
|
addElem (nt, lyrel, lev)
|
|
s.prevLyric [i] = lyrel # for extension (melisma) on the next note
|
|
|
|
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):
|
|
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.startswith ('8v'):
|
|
if 'a' in d: type, plce = 'down', 'above'
|
|
else: type, plce = 'up', 'below'
|
|
if ')' in d: type = 'stop'
|
|
addDirection (maat, E.Element ('octave-shift', type=type, size='8'), lev, gstaff, placement=plce)
|
|
elif d in (['ped','ped-up']):
|
|
type = 'stop' if d.endswith ('up') else 'start'
|
|
addDirection (maat, E.Element ('pedal', type=type), lev, gstaff)
|
|
elif d in ['coda', 'segno']:
|
|
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 == '(' or d == '.(': s.slurbeg.append (d) # start slur on next note
|
|
elif d in ['/-','//-','///-','////-']: # duplet tremolo sequence
|
|
s.tmnum, s.tmden, s.ntup, s.trem, s.intrem = 2, 1, 2, len (d) - 1, 1
|
|
elif d in ['/','//','///']: s.trem = - len (d) # single note tremolo
|
|
else: s.nextdecos.append (d) # keep annotation for the next note
|
|
|
|
def doFields (s, maat, fieldmap, lev):
|
|
def instDir (midelm, midnum, dirtxt):
|
|
instId = 'I%s-%s' % (s.pid, s.vid)
|
|
words = E.Element ('words'); words.text = dirtxt % midnum
|
|
snd = E.Element ('sound')
|
|
mi = E.Element ('midi-instrument', id=instId)
|
|
dir = addDirection (maat, words, lev, gstaff, placement='above')
|
|
addElem (dir, snd, lev + 1)
|
|
addElem (snd, mi, lev + 2)
|
|
addElemT (mi, midelm, midnum, lev + 3)
|
|
def addTrans (n):
|
|
e = E.Element ('transpose')
|
|
addElemT (e, 'chromatic', n, lev + 2) # n == signed number string given after transpose
|
|
atts.append ((9, e))
|
|
def doClef (field):
|
|
if re.search (r'perc|map', field): # percussion clef or new style perc=on or map=perc
|
|
r = re.search (r'(perc|map)\s*=\s*(\S*)', field)
|
|
s.percVoice = 0 if r and r.group (2) not in ['on','true','perc'] else 1
|
|
field = re.sub (r'(perc|map)\s*=\s*(\S*)', '', field) # erase the perc= for proper clef matching
|
|
clef, gtrans = 0, 0
|
|
clefn = re.search (r'alto1|alto2|alto4|alto|tenor|bass3|bass|treble|perc|none|tab', 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)
|
|
strings = re.search (r"strings=(\S+)", field)
|
|
stafflines = re.search (r'stafflines=\s*(\d)', field)
|
|
capo = re.search (r'capo=(\d+)', 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
|
|
if clef != 'none': s.curClef = clef # keep track of current abc clef (for percmap)
|
|
sign, line = s.clefMap [clef]
|
|
if not sign: return
|
|
c = E.Element ('clef')
|
|
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
|
|
atts.append ((7, c))
|
|
if trans_oct2: # octave= can also be in a K: field
|
|
n = int (trans_oct2.group (1))
|
|
s.gtrans = gtrans + n
|
|
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'
|
|
nlines = 0
|
|
if clef == 'tab':
|
|
s.tabStaff = s.pid
|
|
if capo: s.capo = int (capo.group (1))
|
|
if strings: s.tuning = strings.group (1).split (',')
|
|
s.tunmid = [int (boct) * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (bstep)] + 12 + s.capo for bstep, boct in s.tuning]
|
|
s.tunTup = sorted (zip (s.tunmid, range (len (s.tunmid), 0, -1)), reverse=1)
|
|
s.tunmid.reverse ()
|
|
nlines = str (len (s.tuning))
|
|
s.strAlloc.setlines (len (s.tuning), s.pid)
|
|
s.nostems = 'nostems' in field # tab clef without stems
|
|
s.diafret = 'diafret' in field # tab with diatonic fretting
|
|
if stafflines or nlines:
|
|
e = E.Element ('staff-details')
|
|
if gstaff: e.set ('number', str (gstaff)) # only add staff number when defined
|
|
if not nlines: nlines = stafflines.group (1)
|
|
addElemT (e, 'staff-lines', nlines, lev + 2)
|
|
if clef == 'tab':
|
|
for line, t in enumerate (s.tuning):
|
|
st = E.Element ('staff-tuning', line=str(line+1))
|
|
addElemT (st, 'tuning-step', t[0], lev + 3)
|
|
addElemT (st, 'tuning-octave', t[1], lev + 3)
|
|
addElem (e, st, lev + 2)
|
|
if s.capo: addElemT (e, 'capo', str (s.capo), lev + 2)
|
|
atts.append ((8, e))
|
|
s.diafret = 0 # chromatic fretting is default
|
|
atts = [] # collect xml attribute elements [(order-number, xml-element), ..]
|
|
gstaff = s.gStaffNums.get (s.vid, 0) # staff number of the current voice
|
|
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 sorted (list (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 (field)
|
|
elif ftype == 'L':
|
|
try: s.unitLcur = lmap (int, field.split ('/'))
|
|
except: s.unitLcur = (1,8)
|
|
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 (field)
|
|
elif ftype == 'I':
|
|
s.doField_I (ftype, field, instDir, addTrans)
|
|
elif ftype == 'Q':
|
|
s.doTempo (maat, field, lev)
|
|
elif ftype == 'P': # ad hoc translation of P: into a staff text direction
|
|
words = E.Element ('rehearsal')
|
|
words.set ('font-weight', 'bold')
|
|
words.text = field
|
|
addDirection (maat, words, lev, gstaff, placement='above')
|
|
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, key=lambda x: x[0]): # ordering !
|
|
addElem (att, att_elem, lev + 1)
|
|
if s.diafret:
|
|
other = E.Element ('other-direction'); other.text = 'diatonic fretting'
|
|
addDirection (maat, other, lev, 0)
|
|
|
|
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]*)|(\d[.\d]*)', field)
|
|
rtxt = re.search (r'"([^"]*)"', field) # look for text in Q: field
|
|
if not t and not rtxt: return
|
|
elems = [] # [(element, sub-elements)] will be added as direction-types
|
|
if rtxt:
|
|
num, den, upm = 1, 4, s.tempoMap.get (rtxt.group (1).lower ().strip (), 120)
|
|
words = E.Element ('words'); words.text = rtxt.group (1)
|
|
elems.append ((words, []))
|
|
if t:
|
|
try:
|
|
if t.group (4): num, den, upm = 1, s.unitLcur[1] , float (t.group (4)) # old syntax Q:120
|
|
else: num, den, upm = int (t.group (1)), int (t.group (2)), float (t.group (3))
|
|
except: info ('conversion error: %s' % field); return
|
|
num, den = simplify (num, den);
|
|
dotted, den_not = (1, den // 2) if num == 3 else (0, den)
|
|
metro = E.Element ('metronome')
|
|
u = E.Element ('beat-unit'); u.text = s.typeMap.get (4 * den_not, 'quarter')
|
|
pm = E.Element ('per-minute'); pm.text = ('%.2f' % upm).rstrip ('0').rstrip ('.')
|
|
subelms = [u, E.Element ('beat-unit-dot'), pm] if dotted else [u, pm]
|
|
elems.append ((metro, subelms))
|
|
dir = addDirection (maat, elems, lev, gstaff, [], placement='above')
|
|
if num != 1 and num != 3: info ('in Q: numerator in %d/%d not supported' % (num, den))
|
|
qpm = 4. * num * upm / den
|
|
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') if sym.kind.t else 'major'
|
|
addElemT (chord, 'kind', kind, lev + 1)
|
|
if hasattr (sym, 'bass'):
|
|
bnt = sym.bass.t
|
|
bass = E.Element ('bass')
|
|
addElem (chord, bass, lev + 1)
|
|
addElemT (bass, 'bass-step', bnt[0], lev + 2)
|
|
if len (bnt) == 2: addElemT (bass, 'bass-alter', alterMap [bnt[1]], lev + 2)
|
|
degs = getattr (sym, 'degree', '')
|
|
if degs:
|
|
if type (degs) != list_type: 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, s.trem, s.intrem = -1, 0, 0
|
|
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
|
|
for it, x in enumerate (t):
|
|
if x.name == 'note' or x.name == 'rest':
|
|
if x.dur.t[0] == 0: # a leading zero was used for stemmless in abcm2ps, we only support !stemless!
|
|
x.dur.t = tuple ([1, x.dur.t[1]])
|
|
note = s.mkNote (x, lev + 1)
|
|
addElem (maat, note, lev + 1)
|
|
elif x.name == 'lbar':
|
|
bar = x.t[0]
|
|
if bar == '|' or 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':
|
|
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
|
|
elif len (x.t) == 2: n, into, nts = x.t + [0]
|
|
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[0], ' '.join (x.t[1:])
|
|
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, rOpt):
|
|
s.slurstack = {}
|
|
s.glisnum = 0; # xml number attribute for glissandos
|
|
s.slidenum = 0; # xml number attribute for slides
|
|
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, volume, panning for the current part
|
|
s.gcue_on = 0 # reset cue note marker for each new voice
|
|
s.gtrans = 0 # reset octave transposition (by clef)
|
|
s.percVoice = 0 # 1 if percussion clef encountered
|
|
s.curClef = '' # current abc clef (for percmap)
|
|
s.nostems = 0 # for the tab clef
|
|
s.tuning = s.tuningDef # reset string tuning to default
|
|
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
|
|
if 'perc' in attrs_cpy.get ('V', ''): del attrs_cpy ['K'] # remove key from percussion voice
|
|
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, rOpt)
|
|
else: addElem (part, msre, lev + 1)
|
|
overlay = next_overlay
|
|
return part
|
|
|
|
def mkScorePart (s, id, vids_p, partAttr, lev):
|
|
def mkInst (instId, vid, midchan, midprog, midnot, vol, pan, lev):
|
|
si = E.Element ('score-instrument', id=instId)
|
|
pnm = partAttr.get (vid, [''])[0] # part name if present
|
|
addElemT (si, 'instrument-name', pnm or 'dummy', lev + 2) # MuseScore needs a name
|
|
mi = E.Element ('midi-instrument', id=instId)
|
|
if midchan: addElemT (mi, 'midi-channel', midchan, lev + 2)
|
|
if midprog: addElemT (mi, 'midi-program', str (int (midprog) + 1), lev + 2) # compatible with abc2midi
|
|
if midnot: addElemT (mi, 'midi-unpitched', str (int (midnot) + 1), lev + 2)
|
|
if vol: addElemT (mi, 'volume', '%.2f' % (int (vol) / 1.27), lev + 2)
|
|
if pan: addElemT (mi, 'pan', '%.2f' % (int (pan) / 127. * 180 - 90), lev + 2)
|
|
return (si, mi)
|
|
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
|
|
inst = []
|
|
for instId, (pid, vid, chan, midprg, vol, pan) in sorted (s.midiInst.items ()):
|
|
midprg, midnot = ('0', midprg) if chan == '10' else (midprg, '')
|
|
if pid == id: inst.append (mkInst (instId, vid, chan, midprg, midnot, vol, pan, lev))
|
|
for si, mi in inst: addElem (sp, si, lev + 1)
|
|
for si, mi in inst: addElem (sp, mi, lev + 1)
|
|
return sp
|
|
|
|
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
|
|
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 = s.mkScorePart (g, vids, partAttr, lev + 1)
|
|
addElem (partlist, sp, lev + 1)
|
|
return partlist
|
|
|
|
def doField_I (s, type, x, instDir, addTrans):
|
|
def instChange (midchan, midprog): # instDir -> doFields
|
|
if midchan and midchan != s.midprg [0]: instDir ('midi-channel', midchan, 'chan: %s')
|
|
if midprog and midprog != s.midprg [1]: instDir ('midi-program', str (int (midprog) + 1), 'prog: %s')
|
|
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)
|
|
def readPercMap (x): # parse I:percmap <abc_note> <step> <MIDI> <notehead>
|
|
def getMidNum (sndnm): # find midi number of GM drum sound name
|
|
pnms = sndnm.split ('-') # sound name parts (from I:percmap)
|
|
ps = s.percsnd [:] # copy of the instruments
|
|
_f = lambda ip, xs, pnm: ip < len (xs) and xs[ip].find (pnm) > -1 # part xs[ip] and pnm match
|
|
for ip, pnm in enumerate (pnms): # match all percmap sound name parts
|
|
ps = [(nm, mnum) for nm, mnum in ps if _f (ip, nm.split ('-'), pnm) ] # filter instruments
|
|
if len (ps) <= 1: break # no match or one instrument left
|
|
if len (ps) == 0: info ('drum sound: %s not found' % sndnm); return '38'
|
|
return ps [0][1] # midi number of (first) instrument found
|
|
def midiVal (acc, step, oct): # abc note -> midi note number
|
|
oct = (4 if step.upper() == step else 5) + int (oct)
|
|
return oct * 12 + [0,2,4,5,7,9,11]['CDEFGAB'.index (step.upper())] + {'^':1,'_':-1,'=':0}.get (acc, 0) + 12
|
|
p0, p1, p2, p3, p4 = abc_percmap.parseString (x).asList () # percmap, abc-note, display-step, midi, note-head
|
|
acc, astep, aoct = p1
|
|
nstep, noct = (astep, aoct) if p2 == '*' else p2
|
|
if p3 == '*': midi = str (midiVal (acc, astep, aoct))
|
|
elif isinstance (p3, list_type): midi = str (midiVal (p3[0], p3[1], p3[2]))
|
|
elif isinstance (p3, int_type): midi = str (p3)
|
|
else: midi = getMidNum (p3.lower ())
|
|
head = re.sub (r'(.)-([^x])', r'\1 \2', p4) # convert abc note head names to xml
|
|
s.percMap [(s.pid, acc + astep, aoct)] = (nstep, noct, midi, head)
|
|
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') or x.startswith ('midi'):
|
|
r1 = re.search (r'program *(\d*) +(\d+)', x)
|
|
r2 = re.search (r'channel *(\d+)', x)
|
|
r3 = re.search (r"drummap\s+([_=^]*)([A-Ga-g])([,']*)\s+(\d+)", x)
|
|
r4 = re.search (r'control *(\d+) +(\d+)', x)
|
|
ch_nw, prg_nw, vol_nw, pan_nw = '', '', '', ''
|
|
if r1: ch_nw, prg_nw = r1.groups () # channel nr or '', program nr
|
|
if r2: ch_nw = r2.group (1) # channel nr only
|
|
if r4:
|
|
cnum, cval = r4.groups () # controller number, controller value
|
|
if cnum == '7': vol_nw = cval
|
|
if cnum == '10': pan_nw = cval
|
|
if r1 or r2 or r4:
|
|
ch = ch_nw or s.midprg [0]
|
|
prg = prg_nw or s.midprg [1]
|
|
vol = vol_nw or s.midprg [2]
|
|
pan = pan_nw or s.midprg [3]
|
|
instId = 'I%s-%s' % (s.pid, s.vid) # only look for real instruments, no percussion
|
|
if instId in s.midiInst: instChange (ch, prg) # instChance -> doFields
|
|
s.midprg = [ch, prg, vol, pan] # mknote: new instrument -> s.midiInst
|
|
if r3: # translate drummap to percmap
|
|
acc, step, oct, midi = r3.groups ()
|
|
oct = -len (oct) if ',' in x else len (oct)
|
|
notehead = 'x' if acc == '^' else 'circle-x' if acc == '_' else 'normal'
|
|
s.percMap [(s.pid, acc + step, oct)] = (step, oct, midi, notehead)
|
|
r = re.search (r'transpose[^-\d]*(-?\d+)', x)
|
|
if r: addTrans (r.group (1)) # addTrans -> doFields
|
|
elif x.startswith ('percmap'): readPercMap (x); s.pMapFound = 1
|
|
else: info ('skipped I-field: %s' % x)
|
|
|
|
def parseStaveDef (s, vdefs):
|
|
for vid in vdefs: s.vcepid [vid] = vid # default: each voice becomes an xml part
|
|
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) == uni_type and [x] or x
|
|
s.staves = lmap (f, mkStaves (score, vdefs)) # [[vid] for each staff]
|
|
s.grands = lmap (f, mkGrand (score, vdefs)) # [staff-id], staff-id == [vid][0]
|
|
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
|
|
for xmlpart in s.grands:
|
|
pid = xmlpart [0] # part id == first staff id == first voice id
|
|
vces = [v for stf in xmlpart for v in d.get (stf, [stf])]
|
|
for v in vces: s.vcepid [v] = pid
|
|
return vdefs
|
|
|
|
def voiceNamesAndMaps (s, ps): # get voice names and mappings
|
|
vdefs = {}
|
|
for vid, vcedef, vce in ps: # vcedef == emtpy or 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)
|
|
vcedef.t[2] = vcedef.t[2].replace ('"%s"' % pname, '""').replace ('"%s"' % psubnm, '""') # clear voice name to avoid false clef matches later on
|
|
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.replace ('%5d',']') 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[0], fld.t[1].replace ('%5d',']') # restore closing brackets (see splitHeaderVoices)
|
|
if not value: # skip empty field
|
|
return
|
|
if type == 'M':
|
|
attrmap [type] = value
|
|
elif type == 'L':
|
|
try: s.unitL = lmap (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':
|
|
s.title = s.title + '\n' + value if s.title else value
|
|
elif type == 'U':
|
|
sym = fld.t[2].strip ('!+')
|
|
s.usrSyms [value] = sym
|
|
elif type == 'I':
|
|
s.doField_I (type, value, lambda x,y,z:0, lambda x:0)
|
|
elif type == 'Q':
|
|
attrmap[type] = value
|
|
elif type in 'CRZNOAGHBDFSP': # part maps are treated as meta data
|
|
type = s.metaMap.get (type, type) # respect the (user defined --meta) mapping of various ABC fields to XML meta data types
|
|
c = s.metadata.get (type, '')
|
|
s.metadata [type] = c + '\n' + value if c else value # concatenate multiple info fields with new line as separator
|
|
else:
|
|
info ('skipped header: %s' % fld)
|
|
|
|
def mkIdentification (s, score, lev):
|
|
if s.title:
|
|
xs = s.title.split ('\n') # the first T: line goes to work-title
|
|
ys = '\n'.join (xs [1:]) # place subsequent T: lines into work-number
|
|
w = E.Element ('work')
|
|
addElem (score, w, lev + 1)
|
|
if ys: addElemT (w, 'work-number', ys, lev + 2)
|
|
addElemT (w, 'work-title', xs[0], lev + 2)
|
|
ident = E.Element ('identification')
|
|
addElem (score, ident, lev + 1)
|
|
for mtype, mval in s.metadata.items ():
|
|
if mtype in s.metaTypes and mtype != 'rights': # all metaTypes are MusicXML creator types
|
|
c = E.Element ('creator', type=mtype)
|
|
c.text = mval
|
|
addElem (ident, c, lev + 2)
|
|
if 'rights' in s.metadata:
|
|
c = addElemT (ident, 'rights', s.metadata ['rights'], 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)
|
|
s.addMeta (ident, lev + 2)
|
|
|
|
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
|
|
abcScale, h, w, l, r, t, b = s.pageFmtAbc
|
|
space = abcScale * 2.117 # 2.117 = 6pt = space between staff lines for scale = 1.0 in abcm2ps
|
|
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 addMeta (s, parent, lev):
|
|
misc = E.Element ('miscellaneous')
|
|
mf = 0
|
|
for mtype, mval in sorted (s.metadata.items ()):
|
|
if mtype == 'S':
|
|
addElemT (parent, 'source', mval, lev)
|
|
elif mtype in s.metaTypes: continue # mapped meta data has already been output (in creator elements)
|
|
else:
|
|
mf = E.Element ('miscellaneous-field', name=s.metaTab [mtype])
|
|
mf.text = mval
|
|
addElem (misc, mf, lev + 1)
|
|
if mf != 0: addElem (parent, misc, lev)
|
|
|
|
def parse (s, abc_string, rOpt=False, bOpt=False, fOpt=False):
|
|
abctext = abc_string.replace ('[I:staff ','[I:staff') # avoid false beam breaks
|
|
s.reset (fOpt)
|
|
header, voices = splitHeaderVoices (abctext)
|
|
ps = []
|
|
try:
|
|
lbrk_insert = 0 if re.search (r'I:linebreak\s*([!$]|none)|I:continueall\s*(1|true)', header) else bOpt
|
|
hs = abc_header.parseString (header) if header else ''
|
|
for id, voice in voices:
|
|
if lbrk_insert: # insert linebreak at EOL
|
|
r1 = re.compile (r'\[[wA-Z]:[^]]*\]') # inline field
|
|
has_abc = lambda x: r1.sub ('', x).strip () # empty if line only contains inline fields
|
|
voice = '\n'.join ([balk.rstrip ('$!') + '$' if has_abc (balk) else balk for balk in voice.splitlines ()])
|
|
prevLeftBar = None # previous voice ended with a left-bar symbol (double repeat)
|
|
s.orderChords = s.fOpt and ('tab' in voice [:200] or [x for x in hs if x.t[0] == 'K' and 'tab' in x.t[1]])
|
|
vce = abc_voice.parseString (voice).asList ()
|
|
lyr_notes = [] # remember notes between lyric blocks
|
|
for m in vce: # all measures
|
|
for e in m: # all abc-elements
|
|
if e.name == 'lyr_blk': # -> e.objs is list of lyric lines
|
|
lyr = [line.objs for line in e.objs] # line.objs is listof syllables
|
|
alignLyr (lyr_notes, lyr) # put all syllables into corresponding notes
|
|
lyr_notes = []
|
|
else:
|
|
lyr_notes.append (e)
|
|
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]
|
|
vcelyr = vce
|
|
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 as 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:]
|
|
info (err.line, warn=0)
|
|
info ((err.col-1) * '-' + '^', warn=0)
|
|
if re.search (r'\[U:', 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
|
|
|
|
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 = [], [], {}
|
|
s.strAlloc = stringAlloc ()
|
|
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
|
|
s.pid = s.vcepid [s.vid] # xml part-id for the current voice
|
|
s.gTime = (0, 0) # reset time
|
|
s.strAlloc.beginZoek () # reset search index
|
|
part = s.mkPart (vce, pid, lev + 1, attrmap, s.gNstaves.get (vid, 0), rOpt)
|
|
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)
|
|
if s.midprg != ['', '', '', ''] and not s.percVoice: # when a part has only rests
|
|
instId = 'I%s-%s' % (s.pid, s.vid)
|
|
if instId not in s.midiInst: s.midiInst [instId] = (s.pid, s.vid, s.midprg [0], s.midprg [1], s.midprg [2], s.midprg [3])
|
|
parts, vidsnew = mergeParts (parts, vids, s.staves, rOpt) # merge parts into staves as indicated by %%score
|
|
parts, vidsnew = mergeParts (parts, vidsnew, s.grands, rOpt, 1) # merge grand staves
|
|
reduceMids (parts, vidsnew, s.midiInst)
|
|
|
|
s.mkIdentification (score, lev)
|
|
s.mkDefaults (score, lev + 1)
|
|
|
|
partlist = s.mkPartlist (vids, partAttr, lev + 1)
|
|
addElem (score, partlist, lev + 1)
|
|
for ip, part in enumerate (parts): 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 ValueError ('data not encoded in utf-8 nor in latin-1')
|
|
info ('decoded from %s' % enc)
|
|
return unicode_string
|
|
|
|
def ggd (a, b): # greatest common divisor
|
|
return a if b == 0 else ggd (b, a % b)
|
|
|
|
xmlVersion = "<?xml version='1.0' encoding='utf-8'?>"
|
|
def fixDoctype (elem):
|
|
if python3: xs = E.tostring (elem, encoding='unicode') # writing to file will auto-encode to utf-8
|
|
else: xs = E.tostring (elem, encoding='utf-8') # keep the string utf-8 encoded for writing to file
|
|
ys = xs.split ('\n')
|
|
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, rOpt=False, tOpt=False, bOpt=False, fOpt=False): # not used, backwards compatibility
|
|
score = mxm.parse (abc_string, rOpt, bOpt, fOpt)
|
|
writefile (pad, fnm, '', score, mxl, tOpt)
|
|
|
|
def writefile (pad, fnm, fnmNum, xmldoc, mxlOpt, tOpt=False):
|
|
ipad, ifnm = os.path.split (fnm) # base name of input path is
|
|
if tOpt:
|
|
x = xmldoc.findtext ('work/work-title', 'no_title')
|
|
ifnm = x.replace (',','_').replace ("'",'_').replace ('?','_')
|
|
else:
|
|
ifnm += fnmNum
|
|
xmlstr = fixDoctype (xmldoc)
|
|
if pad:
|
|
if not mxlOpt or mxlOpt in ['a', 'add']:
|
|
outfnm = os.path.join (pad, ifnm + '.xml') # joined with path from -o option
|
|
outfile = open (outfnm, 'w')
|
|
outfile.write (xmlstr)
|
|
outfile.close ()
|
|
info ('%s written' % outfnm, warn=0)
|
|
if mxlOpt: xml2mxl (pad, ifnm, xmlstr) # also write a compressed version
|
|
else:
|
|
outfile = sys.stdout
|
|
outfile.write (xmlstr)
|
|
outfile.write ('\n')
|
|
|
|
def readfile (fnmext, errmsg='read error: '):
|
|
try:
|
|
if fnmext == '-.abc': fobj = stdin # see python2/3 differences
|
|
else: fobj = open (fnmext, 'rb')
|
|
encoded_data = fobj.read ()
|
|
fobj.close ()
|
|
return encoded_data if type (encoded_data) == uni_type else decodeInput (encoded_data)
|
|
except Exception as e:
|
|
info (errmsg + repr (e) + ' ' + fnmext)
|
|
return None
|
|
|
|
def expand_abc_include (abctxt):
|
|
ys = []
|
|
for x in abctxt.splitlines ():
|
|
if x.startswith ('%%abc-include') or x.startswith ('I:abc-include'):
|
|
x = readfile (x[13:].strip (), 'include error: ')
|
|
if x != None: ys.append (x)
|
|
return '\n'.join (ys)
|
|
|
|
abc_header, abc_voice, abc_scoredef, abc_percmap = abc_grammar () # compute grammars only once
|
|
mxm = MusicXml () # same for instance of MusicXml
|
|
|
|
def getXmlScores (abc_string, skip=0, num=1, rOpt=False, bOpt=False, fOpt=False): # not used, backwards compatibility
|
|
return [fixDoctype (xml_doc) for xml_doc in
|
|
getXmlDocs (abc_string, skip=0, num=1, rOpt=False, bOpt=False, fOpt=False)]
|
|
|
|
def getXmlDocs (abc_string, skip=0, num=1, rOpt=False, bOpt=False, fOpt=False): # added by David Randolph
|
|
xml_docs = []
|
|
abctext = expand_abc_include (abc_string)
|
|
fragments = re.split ('^\s*X:', abctext, flags=re.M)
|
|
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:
|
|
for itune, tune in enumerate (tunes):
|
|
if itune < skip: continue # skip tunes, then read at most num tunes
|
|
if itune >= skip + num: break
|
|
tune = preamble + 'X:' + tune # restore preamble before each tune
|
|
try: # convert string abctext -> file pad/fnmNum.xml
|
|
score = mxm.parse (tune, rOpt, bOpt, fOpt)
|
|
ds = list (score.iter ('duration')) # need to iterate twice
|
|
ss = [int (d.text) for d in ds]
|
|
deler = reduce (ggd, ss + [21]) # greatest common divisor of all durations
|
|
for i, d in enumerate (ds): d.text = str (ss [i] // deler)
|
|
for d in score.iter ('divisions'): d.text = str (int (d.text) // deler)
|
|
xml_docs.append (score)
|
|
except ParseException:
|
|
pass # output already printed
|
|
except Exception as err:
|
|
info ('an exception occurred.\n%s' % err)
|
|
return xml_docs
|
|
|
|
#----------------
|
|
# Main Program
|
|
#----------------
|
|
if __name__ == '__main__':
|
|
from optparse import OptionParser
|
|
from glob import glob
|
|
import time
|
|
|
|
parser = OptionParser (usage='%prog [-h] [-r] [-t] [-b] [-m SKIP NUM] [-o DIR] [-p PFMT] [-z MODE] [--meta MAP] <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 (0) tunes, then read at most NUM (1) tunes", nargs=2, type='int', default=(0,1), metavar='SKIP NUM')
|
|
parser.add_option ("-p", action="store", help="pageformat PFMT (mm) = scale (0.75), pageheight (297), pagewidth (210), leftmargin (18), rightmargin (18), topmargin (10), botmargin (10)", 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)
|
|
parser.add_option ("-t", action="store_true", help="use tune title as file name", default=False)
|
|
parser.add_option ("-b", action="store_true", help="line break at EOL", default=False)
|
|
parser.add_option ("--meta", action="store", help="map infofields to XML metadata, MAP = R:poet,Z:lyricist,N:...", default='', metavar='MAP')
|
|
parser.add_option ("-f", action="store_true", help="force string/fret allocations for tab staves", 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 = lmap (float, options.p.split (','))
|
|
if len (mxm.pageFmtCmd) != 7: raise ValueError ('-p needs 7 values')
|
|
except Exception as err: parser.error (err)
|
|
for x in options.meta.split (','):
|
|
if not x: continue
|
|
try: field, tag = x.split (':')
|
|
except: parser.error ('--meta: %s cannot be split on colon' % x)
|
|
if field not in 'OAZNGHRBDFSPW': parser.error ('--meta: field %s is no valid ABC field' % field)
|
|
if tag not in mxm.metaTypes: parser.error ('--meta: tag %s is no valid XML creator type' % tag)
|
|
mxm.metaMap [field] = tag
|
|
fnmext_list = []
|
|
for i in args:
|
|
if i == '-': fnmext_list.append ('-.abc') # represents standard input
|
|
else: fnmext_list += glob (i)
|
|
if not fnmext_list: parser.error ('none of the input files exist')
|
|
t_start = time.time ()
|
|
for fnmext in 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
|
|
abctext = readfile (fnmext)
|
|
skip, num = options.m
|
|
xml_docs = getXmlDocs (abctext, skip, num, options.r, options.b, options.f)
|
|
for itune, xmldoc in enumerate (xml_docs):
|
|
fnmNum = '%02d' % (itune + 1) if len (xml_docs) > 1 else ''
|
|
writefile (pad, fnm, fnmNum, xmldoc, options.mxl, options.t)
|
|
info ('done in %.2f secs' % (time.time () - t_start))
|