j~UdZddlmZddlZddlZddlmZddlmZddlm Z ddlm Z ddlm Z dd lm Z dd lm Z dd lmZdd lmZdd lmZejrddlmZejZejZejZe jdZiZded<gdZdZdHdZdZdIdZ dJdZ!dZ"dKdZ#dZ$dZ%ddddLd!Z&d"Z'dJdMd%Z(dNd'Z)d(Z*d)d*dOd/Z+dJd0Z,d1Z-d2Z. dPd3Z/dQd5Z0dKd6Z1d7Z2dRd9Z3dSd<Z4d=Z5dIdTd?Z6dUdVdBZ7GdCdDe j8Z9GdEdFej:Z;e>> soprano = corpus.parse('bwv66.6').parts[0] >>> #_DOCS_SHOW soprano.show('braille.ascii') >>> print(converter.toData(soprano, 'braille.ascii')) # _DOCS_HIDE %%%.C #J .DJ [W?>> data = converter.toData(soprano, 'braille') >>> print(data) ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠩⠩⠩⠨⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠼⠚⠀⠨⠙⠚⠀⠪⠺⠹⠣⠇⠫⠀⠹⠺⠪⠣⠇⠹⠀⠊⠚⠳⠻⠣⠇⠪⠀⠺⠺⠻⠫⠀⠪⠺⠹⠣⠇⠹ ⠀⠀⠐⠪⠺⠹⠪⠀⠳⠻⠗⠣⠇⠀⠟⠻⠻⠈⠉⠀⠻⠛⠩⠋⠻⠣⠇⠣⠅ Any :class:`~music21.base.Music21Object` which cannot be transcribed in :mod:`~music21.braille.basic` returns a braille literary question mark and outputs a warning to the console, rather than raising an exception. This is so that a transcription of a :class:`~music21.stream.Stream` in :class:`~music21.braille.translate` is completed as thoroughly as possible. ) annotationsN) articulations)clef)duration) environment) exceptions21) expressions)interval)note)lookup) stringTools)tempozbasic.pyzdict[str, bool] beamStatus)beginLongBracketSlurendLongBracketSlurbeginLongDoubleSlurendLongDoubleSlur shortSlur beamStart beamContinuec tj|j}d|jd|g|j_|S#t $rDt d|dd|jdg|j_tdcYSwxYw)uk Takes in a :class:`~music21.bar.Barline` and returns its representation as a braille string in UTF-8 unicode. .. note:: Only dashed, double barlines, and final barlines can be transcribed. >>> from music21.braille.basic import barlineToBraille >>> doubleBarline = bar.Barline('double') >>> print(barlineToBraille(doubleBarline)) ⠣⠅⠄ >>> finalBarline = bar.Barline('final') >>> print(barlineToBraille(finalBarline)) ⠣⠅ Heavy gives an "unusual barline" symbol >>> heavyBarline = bar.Barline('heavy') >>> print(barlineToBraille(heavyBarline)) ⠇ zBarline  " cannot be transcribed to braille. Nonebasic_exception) r barlinestype editorialbrailleEnglishKeyError environRuleswarnsymbols)music21BarlinebrailleBarlines /Users/tedpeters/Documents/Projects/Claude Projects/Misc Tools/notename-sheets/.venv/lib/python3.11/site-packages/music21/braille/basic.pybarlineToBrailler'Ss**)<= =~* = =^ = =3? / ***W^WWWXXX3Xn>Q3X3X3X2Y /())))*s03A BBTc g|j_t|j}d}|r|nd}g}|d}t j||j}t||}|tdkrMt d|d|jj |d tdS| |d |jd g} |jj |d | td t!|D]} || } t#| ||jjn6#t$$r)t d| jd|dYnwxYwt)j|| j} | dkr| d z dzd z} | d krOt/| } | | |jj d| jd| n|| d z }t)j|| j}|dkrNt/| } | | |jj d| jd| nT| d krNt/| } | | |jj d| jd| | d krd} | t2j| |jj d| dt2j| d |S)u Takes in a :class:`~music21.chord.Chord` and returns its representation as a braille string in UTF-8 unicode. In braille, only one pitch of a chord is brailled, with the rest represented as numeric intervals from that one pitch. If descending is True, the highest (sounding) pitch is brailled, and intervals are labeled in descending order; if descending is False, the lowest (sounding) pitch is brailled, and the intervals are labeled in ascending order. Convention dictates that chords found in the treble clef are brailled descending, and those found in the bass clef are brailled ascending. If showOctave is True, the octave of the brailled pitch is shown. Other octave marks are shown in context relative to the brailled pitch. >>> from music21.braille.basic import chordToBraille >>> gMajorTriadA = chord.Chord(['G4', 'B4', 'D5', 'G5'], quarterLength=4.0) >>> print(chordToBraille(gMajorTriadA, descending=True)) ⠨⠷⠼⠴⠤ >>> gMajorTriadB = chord.Chord(['G2', 'B2', 'D3', 'G3'], quarterLength=4.0) >>> print(chordToBraille(gMajorTriadB, descending=False)) ⠘⠷⠬⠔⠤ >>> gMajorTriadRightHand = chord.Chord(['D4', 'B4', 'G5'], quarterLength=4.0) >>> print(chordToBraille(gMajorTriadRightHand, descending=True)) ⠨⠷⠴⠼ >>> gMajorTriadLeftHand = chord.Chord(['G2', 'D3', 'B3'], quarterLength=4.0) >>> print(chordToBraille(gMajorTriadLeftHand, descending=False)) ⠘⠷⠔⠬ >>> cMajorTriadRightHand = chord.Chord(['C4', 'E5'], quarterLength=4.0) >>> print(chordToBraille(cMajorTriadRightHand, descending=True)) ⠨⠯⠐⠬ >>> cMajorTriadLeftHand = chord.Chord(['C2', 'E3'], quarterLength=4.0) >>> print(chordToBraille(cMajorTriadLeftHand, descending=False)) ⠘⠽⠸⠬ >>> cMajorSeventhRightHand = chord.Chord(['C6', 'E5', 'B4'], quarterLength=4.0) >>> print(chordToBraille(cMajorSeventhRightHand, descending=True)) ⠰⠽⠴⠌ >>> cMajorSeventhLeftHand = chord.Chord(['G2', 'E3', 'E4'], quarterLength=4.0) >>> print(chordToBraille(cMajorSeventhLeftHand, descending=False)) ⠘⠷⠴⠐⠴ >>> chordWithoutAccidentals = chord.Chord(['C4', 'E4', 'F4'], quarterLength=4.0) >>> print(chordToBraille(chordWithoutAccidentals, descending=True)) ⠐⠿⠌⠼ >>> chordWithAccidentals = chord.Chord(['C4', 'E-4', 'F#4'], quarterLength=4.0) >>> chordWithAccidentals.pitches[0].accidental = 'natural' >>> print(chordToBraille(chordWithAccidentals, descending=True)) ⠩⠐⠿⠣⠌⠡⠼ Descending Ascendingr quarterLength) music21Note showOctaverzChord rr rz Chord:  Accidental z of chord Octave rz Interval )rrsortedpitchesreverser Noter, noteToBrailler#r!r"appendjoingetrangelenhandlePitchWithAccidentalr accidentalr notesToGeneric undirected pitchToOctaveoctaver intervals) music21Chord descendingr. allPitches direction chordTrans basePitchinitNote brailleNote englishJoinedcurrentPitchIndex currentPitchintervalDistance brailleOctave previousPitchrelativeIntervalDists r&chordToBraillerVss7f-/L) ,--JI  J1 Iy"0H Kg/000S<SSSTTT-44 5K5K5KLLL())k"""IIh0445ErJJKKM)00 ..}..#1c*oo66) ) !"34   %&5           Jl5JJ%JJJ       $29lKKV a   01 49A=  A%% -l ; ; !!-000&5<<Cl1CCMCCEEEE!++}?K(M(MMW%'1,,$1,$?$?M%%m444 *9@@G,"5GG GG " "),77M   m , , ,  " 1 8 8?,-?? ?? A A A q  &*+;<===-44 O( O O6+; 8 by tripling, etc. the number of octave marks. >>> pitchToOctave = braille.basic.pitchToOctave >>> print(pitchToOctave(pitch.Pitch('C4'))) ⠐ >>> print(pitchToOctave(pitch.Pitch('B-4'))) ⠐ >>> print(pitchToOctave(4)) ⠐ >>> print(pitchToOctave(3)) ⠸ >>> print(pitchToOctave(2)) ⠘ >>> print(pitchToOctave(1)) ⠈ >>> print(pitchToOctave(0)) ⠈⠈ >>> print(pitchToOctave(-1)) ⠈⠈⠈ >>> print(pitchToOctave(5)) ⠨ >>> print(pitchToOctave(6)) ⠰ >>> print(pitchToOctave(7)) ⠠ >>> print(pitchToOctave(8)) ⠠⠠ >>> print(pitchToOctave(9)) ⠠⠠⠠ rEr0r3N)hasattrrEr octaves)music21PitchOrIntrEs r&rDrDsL (++#")" ~f%% !~a AJ// !~a FQJ// Fc ddddddddd d d d }t|tjrd |g|j_dSt j}|d} |||j|jz } ||j j d|zg|j_n #t$rd|g|j_YnwxYwt|tj tj fr3||d|z }|r|jjdn||ddz }|S#t$r>td|d|dg|j_t"dcYSwxYw)u" Takes in a :class:`~music21.clef.Clef` and returns its representation as a braille string in UTF-8 unicode. Only :class:`~music21.clef.GClef`, :class:`~music21.clef.CClef`, :class:`~music21.clef.FClef`, :class:`~music21.clef.NoClef` and their subclasses (such as :class:`~music21.clef.TrebleClef`, :class:`~music21.clef.BassClef`) can be transcribed. If keyboardHandSwitched is True, the suffix of the brailled clef changes from dots 1-2-3 to dots 1-3. In scores of keyboard instruments, this change indicates that the playing hand differs from which implied by the clef. (E.g. A G clef in the left-hand part of a piano score needs the change of suffix.) Note that changeSuffix works only for G and F clefs. >>> from music21.braille.basic import clefToBraille >>> trebleClef = clef.TrebleClef() >>> print(clefToBraille(trebleClef)) ⠜⠌⠇ >>> print(clefToBraille(trebleClef, keyboardHandSwitched=True)) ⠜⠌⠅ >>> bassClef = clef.BassClef() >>> print(clefToBraille(bassClef)) ⠜⠼⠇ >>> print(clefToBraille(bassClef, keyboardHandSwitched=True)) ⠜⠼⠅ >>> altoClef = clef.AltoClef() >>> print(clefToBraille(altoClef)) ⠜⠬⠇ >>> tenorClef = clef.TenorClef() >>> print(clefToBraille(tenorClef)) ⠜⠬⠐⠇ >>> noClef = clef.NoClef() >>> clefToBraille(noClef) == '' True >>> sopranoClef = clef.SopranoClef() >>> print(f'{sopranoClef.sign}, {sopranoClef.line}, {clefToBraille(sopranoClef)}') C, 1, ⠜⠬⠈⠇ z French ViolinTreblez G-sopranoSopranoz Mezzo-sopranoAltoTenorz C-baritonez F-baritoneBasszSub-bass) FrenchViolinClef TrebleClef GSopranoClef SopranoClefMezzoSopranoClefAltoClef TenorClef CBaritoneClef FBaritoneClefBassClef SubBassClefzNo Clef r5prefixz Clef z Unnamed Clef suffixz Keyboard hand switchedFzClef rrr) isinstancerNoClefrrr clefssignline __class____name__r rermr;r!r"r#) music21ClefkeyboardHandSwitched clefNamesrs brailleClefs r& clefToBrailler|"sT,# +%%!  I+t{++0H;0H0H/I ,r LE/K*u[-.{/?@@  S;09:=Sk=S=SST  ! 0 0 S S S4QK4Q4Q3RK ! 0 0 0 S kDOT]#C D D 2 5?+?@ @K# W%4;;0E0E0E/F ,())))*s8D,#BDB-*D,B--A.DAE$#E$clg}g|j_|rM|td|jjdtd t |jd}nl#t $r_}td|d||jjd|jdtdcYd }~Sd }~wwxYw|jjd|jd |||d |S) u Takes in a :class:`~music21.dynamics.Dynamic` and returns its :attr:`~music21.dynamics.Dynamic.value` as a braille string in UTF-8 unicode. If precedeByWordSign is True, the value is preceded by a word sign (⠜). >>> from music21.braille.basic import dynamicToBraille >>> print(dynamicToBraille(dynamics.Dynamic('f'))) ⠜⠋ >>> print(dynamicToBraille(dynamics.Dynamic('pp'))) ⠜⠏⠏ wordzWord: TisTextExpressionzDynamic : rrNrr5) rrr;r# wordToBraillevalueBrailleBasicExceptionr!r"r<)music21DynamicprecedeByWordSign dynamicTransbrailleDynamic wordExceptions r&dynamicToBraillerrs\L.0N+SGFO,,, /667Q7Q7QRRR*&~';dSSS ***F^FF}FFGGG /667].BV7]7]7]^^^()))))))* +22:>'::.::<<<''' 77<  sA66 CACCCc&g|j_|} d|D}ny#t$rl}t d|d||jjd|dtdcYd}~Sd}~wwxYwtd |}|jjd|d||S) u Takes in a :class:`~music21.instrument.Instrument` and returns its "best name" as a braille string in UTF-8 unicode. >>> from music21.braille.basic import instrumentToBraille >>> print(instrumentToBraille(instrument.Bassoon())) ⠠⠃⠁⠎⠎⠕⠕⠝ >>> print(instrumentToBraille(instrument.BassClarinet())) ⠠⠃⠁⠎⠎⠀⠉⠇⠁⠗⠊⠝⠑⠞ c,g|]}t|S)r).0r~s r& z'instrumentToBraille..s :::t$$:::r]z Instrument rrrNspacer) rrbestNamesplitrr!r"r;r#r<)music21InstrumentallWordstransr brailleInsts r&instrumentToBraillersA24. ))++1133H*::::: ***L(9LL]LLMMM#299 =+4466 = = = ? ? ?())))))) * '"''..K.55B'0022BB[BBDDD s A B7 A!B2,B72B7ctj}g|j_|j} tj|}n^#t $rQtd|d|jj d|dtdcYSwxYw|dkr&|jj d|d|n2|jj dt|d|||S|j}t|}t|}g} |dks|dks ||z ||z krH| |||jj dd|d ||no||kri| |t||z |t||z } |jj dd|d | | |d |S#t $rEtd |d|jj |d |cYSwxYw)u Takes in a :class:`~music21.key.KeySignature` and returns its representation in braille as a string in UTF-8 unicode. >>> from music21.braille.basic import keySigToBraille >>> print(keySigToBraille(key.KeySignature(4))) ⠼⠙⠩ If given an old key signature, then its cancellation will be applied before and in relation to the new key signature. >>> print(keySigToBraille(key.KeySignature(0), outgoingKeySig = key.KeySignature(-3))) ⠡⠡⠡ zIncoming Key Signature rzKey Signature z sharps Nonerrz sharp(s) z flat(s) Nz naturals r5zOutgoing Key Signature z naturals=None)r naturalsrrsharps keySignaturesr r!r"r;r#absinsertr<) music21KeySignatureoutgoingKeySigrincomingSharps ks_brailleoutgoingSharps absOutgoing absIncomingr naturalsPrints r&keySigToBraillersH35!0(/N *).9 *** ]&9 ] ] ]    %4;; >0 > > >   ())))*%4;; C^ C Cz C C     %4;; GS00 G G: G G   #*Nn%%Kn%%K E a  !Q&&"[0n{6RSS LL+. / / /  ) 8 ? ?RRR8K;PRR T T T TK ' ' LL#n~&E"F"FG H H H$S.)H%I%IJM  ) 8 ? ?JJJ=JJ     Z   wwu~~  Xn X X X Z Z Z%4;;~<]<]<]^^^ s$4ABBC8HA I$#I$c|jdSg|j_ g}tjd|jj}t|d}||d |j dg}|jjd ||td |jjd td t|j}|||jjd |jd|d |S#t$rY}td |d||jj|dtdcYd}~Sd}~wwxYw)u Takes in a :class:`~music21.tempo.MetronomeMark` and returns it as a braille string in UTF-8 unicode. The format is (note C with duration of metronome's referent)(metronome symbol)(number/bpm). >>> from music21.braille.basic import metronomeMarkToBraille >>> mm1 = tempo.MetronomeMark(number=80, referent=note.Note(type='half')) >>> print(metronomeMarkToBraille(mm1)) ⠝⠶⠼⠓⠚ >>> mm2 = tempo.MetronomeMark(number=135, referent=note.Note(quarterLength=0.5)) >>> print(metronomeMarkToBraille(mm2)) ⠙⠶⠼⠁⠉⠑ >>> mm3 = tempo.MetronomeMark(numberSounding=80) >>> metronomeMarkToBraille(mm3) '' Nr5C4r+F)r.rrzMetronome Note metronomezMetronome symbol zMetronome number zMetronome Mark rrr)numberrrr r9referentr,r:r;r<r=r#numberToBraillerr!r")music21MetronomeMark metroTrans metroNoterNrO brailleNumbernumberExceptions r&metronomeMarkToBraillers$"*r46"1* Id2F2O2]^^^ #I%@@@ +&&&!4!8!89I2!N!NOO &5<< -m - -    '+.///&5<< 6 4 6 6   ((<(CDD -(((&5<< M 4 ; M Mm M M   wwz""" ***U,@UUOUUVVV&5<<@T=[=[=[\\\()))))))*sE E$$ G.AG<GGc#Kd}t|drt|j|D]}|jtjvrtj|j}n,|jtjvrtj|j}nYd|jvr*|jj d|jd||VdSdS)u Generator that yields braille before note articulations from a given note. Might yield nothing. "When a staccato or staccatissimo is shown with any of the other [before note expressions], it is brailled first." "The up-bow and down-bow marks for bowed string instruments are brailled before any other signs from Column A and before an ornament." (BMTM, 114) Beyond that, we yield in alphabetical order, which happens to satisfy this: "When an accent is shown with a tenuto, the accent is brailled first." (BMTM, 113) For reference: >>> brailleArt = braille.lookup.beforeNoteExpr >>> print(brailleArt['tenuto']) ⠸⠦ >>> print(brailleArt['staccato']) ⠦ >>> print(brailleArt['accent']) ⠨⠦ >>> brailleBowings = braille.lookup.bowingSymbols >>> print(brailleBowings['down bow']) ⠣⠃ >>> print(brailleBowings['up bow']) ⠣⠄ >>> n = note.Note() >>> n.articulations.append(articulations.DownBow()) >>> n.articulations.append(articulations.Tenuto()) >>> n.articulations.append(articulations.Staccato()) >>> n.articulations.append(articulations.Accent()) >>> n.articulations.append(articulations.Scoop()) # example unsupported articulation This will yield in order: DownBow, Staccato, Accent, Tenuto. >>> for brailleArt in braille.basic.yieldBrailleArticulations(n): ... print(brailleArt) ⠣⠃ ⠦ ⠨⠦ ⠸⠦ ct|tj}t|tj}| | |jfSN)rqrBowingStaccatoname)inner_articulationisBowing isStaccatos r&_brailleArticulationsSortKeyz?yieldBrailleArticulations.._brailleArticulationsSortKeyUs=0-2FGG 2M4JKK  *n.@.EFFr]r)keyrz Articulation rN) rZr6rrr bowingSymbolsbeforeNoteExprrrr;)noteElrart brailleArts r&yieldBrailleArticulationsr%s`GGG v'' &.4PQQQ  Cx6///#1#(; V222#238< 6#333 /667^sx7^7^R\7^7^___        r])r.upperFirstInFingeringr- note.Notecg|j_tD]5} t||t|<#t $r dt|<Y2wxYwg}tdrN|td|jjdtdnZtdrM|td|jjdtdtdrZtdrM|td |jjd td |jj }|rNtd r)|d j d kr2|d j dkr!|tdn|d j dkrM|td|jjdtdtd}|t|d j ddz }|tdz }|||jj|d j d|dntdr dtd<t|D]}|| t|j||jjn>#t"$r1t$d|jjd|ddzYnwxYw|rSt+|j}|||jjd|jd| t.j|jj} nx#t"$rkt$d|jjd|ddz|jjd|jjdtdcYSwxYwt5|jtjrK| d } || |jj|jdd d!| nu tdr2| d } |jj|jd"| nH| |jj} |jj|jd|jjd| || t;|jjD]O} |td|jjd#tdPnn#t"$rat$d$|jd|ddz|jjd$|jdtdcYSwxYwt?|||tA||td%rM|td&|jjd'td&tdr tdstd(rN|td)|jjd td)nZtdrM|td |jjd td |j!]|j!jd+krM|td,|jjd-td,d."|S)/u Given a :class:`~music21.note.Note`, returns the appropriate braille characters as a string in UTF-8 unicode. The format for note display in braille is the accidental (if necessary) + octave (if necessary) + pitch name with length. If the note has an :class:`~music21.pitch.Accidental`, the accidental is always displayed unless its :attr:`~music21.pitch.Accidental.displayStatus` is set to False. The octave of the note is only displayed if showOctave is set to True. >>> from music21.braille.basic import noteToBraille >>> C4 = note.Note('C4') >>> print(noteToBraille(C4)) ⠐⠹ >>> C4.quarterLength = 2.0 >>> print(noteToBraille(C4)) ⠐⠝ >>> Ds4 = note.Note('D#4') >>> print(noteToBraille(Ds4)) ⠩⠐⠱ >>> print(noteToBraille(Ds4, showOctave=False)) ⠩⠱ >>> Ds4.pitch.accidental.displayStatus=False >>> print(noteToBraille(Ds4)) ⠐⠱ >>> A2 = note.Note('A2') >>> A2.quarterLength = 3.0 >>> print(noteToBraille(A2)) ⠘⠎⠄ >>> B = note.Note('B4') >>> f = expressions.Fermata() >>> B.expressions.append(f) >>> print(noteToBraille(B)) ⠐⠺⠣⠇ >>> for x in B.editorial.brailleEnglish: ... print(x) Octave 4 ⠐ B quarter ⠺ Note-fermata: Shape normal: ⠣⠇ >>> f.shape = 'square' >>> print(noteToBraille(B)) ⠐⠺⠰⠣⠇ >>> for x in B.editorial.brailleEnglish: ... print(x) Octave 4 ⠐ B quarter ⠺ Note-fermata: Shape square: ⠰⠣⠇ >>> C4 = note.Note('C4') >>> print(noteToBraille(C4)) ⠐⠹ >>> C4.duration.appendTuplet(duration.Tuplet(3, 2)) # triplet >>> print(noteToBraille(C4)) ⠐⠹ >>> C4.beamStart = True >>> print(noteToBraille(C4)) ⠆⠐⠹ >>> for x in C4.editorial.brailleEnglish: ... print(x) Triplet ⠆ Octave 4 ⠐ C quarter ⠹ >>> C4 = note.Note('C4') >>> C4.duration.appendTuplet(duration.Tuplet(7, 4)) # septuplet >>> C4.beamStart = True >>> print(noteToBraille(C4)) ⠸⠶⠄⠐⠹ >>> for x in C4.editorial.brailleEnglish: ... print(x) Septuplet ⠸⠶⠄ Octave 4 ⠐ C quarter ⠹ Fropening_bracket_slurzOpening bracket slur ropening_double_slurzOpening double slur rclosing_bracket_slurzClosing bracket slur rrTripletnonetripletztranscriber-added_signztranscriber-added tuplet_prefixTwithNumberSignlowerdotrrr1 of note !cannot be transcribed to braille.r4zName rreighthz Gracenote--not supported z beam Dot z Duration ropening_single_slurzOpening single slur rclosing_double_slurNstoptiezTie r5)#rrTEMPORARY_ATTRIBUTESgetattrrAttributeErrorr;r#rtupletsfullNametupletActualShowrnumberNotesActualrr@pitchr r!r"rArDrEr pitchNameToNotessteprq GraceDurationrr>dotshandleArticulationshandleExpressionsrr<) r-r.rkeyword noteTrans allTuplets tupletTransbrailleArticulationrS notesInStepnameWithDurationunused_counter_dots r&r:r:hsn,.K('(( (")+w"?"?Jw   ( ( ("'Jw    (I ()E!78999,33 EG,B$C E E G G G G ) *E!67888,33 C7+@#A C C E E E&'GJ7M,NG!78999,33 EG,B$C E E G G G %-J/ k " /!}%22z!}7UY_7_7_  !34444a=1V;;$$W-E%FGGG)8??PW5M-NPPRRR%o6 z!}/N@E7; = = == wu~-   ---  ! 0 7 7a=);;IbM;;     ' /).J~ & 9EE..,----  !     ! 0        O++6 O O O O O1 2      d%k&788 ''',334bk>P4b4bS`4b4bccc*-k.?.DE *** EK%* E E{ E E E1 2 3 3 3 ,334YK??.&x0)***,33 X X( X XFV X X     ..) #.x#8 %4;;"'AA/?AACCCC$/{/C/H#I %4;;"'XX+*>*CXXFVXX   - . . .&+K,@,E&F&F U U"  000%4;;4K4KLLL 779  sH0AA- L8M M "N??A2P43P4"DV((A(XXc|j}||jdur|jdkr:td}|||d||t j|j|d|jdt j|j|jdkr@td}|||d|dSdSdSdS)NF parentheseszbraille-music-parenthesisz Parenthesis r1r)rA displayStatus displayStyler#r;r accidentalsr) music21Pitch pitchTransraccpss r&r@r@Us  !C 3,E99  } , ,45B   b ! ! !  ! !"5"5"5 6 6 6&,SX6777UCHUUv7I#(7SUUVVV  } , ,45B   b ! ! !  ! !"5"5"5 6 6 6 6 699 - ,r]r list[str]c |jD]6}d|jvr+t|j|}||7dS#t $r2t d|jj d|ddzYdSwxYw)N Fingering)rz Fingering rrr) rclassestranscribeNoteFingering fingerNumberr;rr!r"r fingering)r-rrrtranscribedFingerings r&rres 3, 7 7Cck))'>$*?(A(A(A$  !5666  7 7 !333 Q.8 Q Q; Q Q Q1 2 3 3 3 3 3 33s>A8A>=A>note.GeneralNotec l|jD]}t|tjr tjd|j}|||jjd|jd|z#t$r$t d|d|dYwxYwdS)z< Transcribe the expressions for a note.GeneralNote. shapezNote-fermata: Shape rzFermata rz cannot be transcribed.N) r rqFermatar fermatasrr;rrr r!r")r-rexprfermataBrailles r&rrus 'bb dK/ 0 0 b b!'!9$*!E  000%4;;I4:IIIIKKKK b b b!!"`T"`"`K"`"`"`aaaaa b  bbbsAB+B0/B0cg|j_g}|jj}|jj}|jdurd}d} t j|}nm#t$r`t d|jd|jj d|jjdtdcYSwxYw| ||jj d|d |t|D]O}| td |jj d td Pt||d |S) u Given a :class:`~music21.note.Rest`, returns the appropriate braille characters as a string in UTF-8 unicode. Currently, only supports single rests with or without dots. Complex rests are not supported. >>> from music21.braille.basic import restToBraille >>> dottedQuarter = note.Rest(quarterLength=1.5) >>> print(restToBraille(dottedQuarter)) ⠧⠄ >>> whole = note.Rest(quarterLength=4.0) >>> print(restToBraille(whole)) ⠍ This would give a warning and gives the basic_exception symbol: quarterPlusSixteenth = note.Rest(quarterLength=1.25) print(restToBraille(quarterPlusSixteenth)) ⠜⠦ TwholerzRest of duration rzRest rrrrrr5)rrrrr fullMeasurer restsr r!r"r;r#r>rr<) music21Rest restTransrestTyperestDots simpleRestrs r& restToBraillers,,.K(I#(H#(H$&&*\(+ *** X 4 X X X Z Z Z,334\K4K4KLLLLk9--- 779  sAA'B21B2( maxLineLengthmusic21TempoTexttempo.TempoTextreturnstrc g}||j_|jd}g}|D]Y}|}g}|D] } t |} np#t $rc} t d|d| |jjd|jdtdcYd} ~ ccSd} ~ wwxYwd} |D]} | dkrd} | t| z } | t| zd z|d z kr|d|| |td |d |dd [tddz} | |tdz}|jjd|jd||S)u Takes in a :class:`~music21.tempo.TempoText` and returns its representation in braille as a string in UTF-8 unicode. The tempo text is returned uncentered, and is split around the comma, each split returned on a separate line. The literary period required at the end of every tempo text expression in braille is also included. >>> from music21.braille.basic import tempoTextToBraille >>> print(tempoTextToBraille(tempo.TempoText('Lento assai, cantante e tranquillo'))) ⠠⠇⠑⠝⠞⠕⠀⠁⠎⠎⠁⠊⠂ ⠉⠁⠝⠞⠁⠝⠞⠑⠀⠑⠀⠞⠗⠁⠝⠟⠥⠊⠇⠇⠕⠲ >>> print(tempoTextToBraille(tempo.TempoText('Andante molto grazioso'))) ⠠⠁⠝⠙⠁⠝⠞⠑⠀⠍⠕⠇⠞⠕⠀⠛⠗⠁⠵⠊⠕⠎⠕⠲ >>> print(tempoTextToBraille(tempo.TempoText('Andante molto grazioso ma cantabile'))) ⠠⠁⠝⠙⠁⠝⠞⠑⠀⠍⠕⠇⠞⠕⠀⠛⠗⠁⠵⠊⠕⠎⠕⠀⠍⠁⠀ ⠉⠁⠝⠞⠁⠃⠊⠇⠑⠲ >>> print(tempoTextToBraille(tempo.TempoText('Andante molto grazioso ma cantabile'), ... maxLineLength=20)) ⠠⠁⠝⠙⠁⠝⠞⠑⠀ ⠍⠕⠇⠞⠕⠀ ⠛⠗⠁⠵⠊⠕⠎⠕⠀⠍⠁⠀ ⠉⠁⠝⠞⠁⠃⠊⠇⠑⠲ ,z Tempo Text rrrNrr/r0rYrr5r.r) rrtextrrrr!r"r;r#r?r<alphabet)rrnewBrailleEnglish allPhrasesbraillePhrases samplePhraser phraseTrans sampleWord brailleWordr total_widthphrasejoinerbrailleUnicodeTexts r&tempoTextToBrailler*sH<$&0A-!&,,S11JN":: %%''!# " 1 1J 2+J77 ( 2 2 2!!"S0@"S"SM"S"STTT *9@@>"2"7>>>011111111111  2K% / /T>>"#KK3v;;.KKS---1]Q5FGG""4(((   { + + +   ww/ 0 0 0 0bggk!B$&7889999 c]T !F^44x}D-44B&+BB.@BB s A C &AC:C C cg|j_|j}|tjvr9tj|}|jjd|d||S|}g} |D]&}|t|d'ng#t$rZ}t d|d||jjd|dtdcYd}~Sd}~wwxYwtd  |}|jjd|d||r>td |z}|jj d d td t|d kr=|td z}|jjd td |S)u Takes in a :class:`~music21.expressions.TextExpression` and returns its representation in UTF-8 unicode. From the lookup table: >>> from music21.braille.basic import textExpressionToBraille >>> print(textExpressionToBraille(expressions.TextExpression('cresc.'))) ⠜⠉⠗⠄ Single word expression has word symbol (⠜) only at beginning: >>> print(textExpressionToBraille(expressions.TextExpression('dolce'))) ⠜⠙⠕⠇⠉⠑ Multiple word expression has word symbol at beginning and end. >>> print(textExpressionToBraille(expressions.TextExpression('dim. e rall.'))) ⠜⠙⠊⠍⠄⠀⠑⠀⠗⠁⠇⠇⠄⠜ zText Expression rTrrrrNrr~rzWord r0)rrcontentr textExpressionsr;rrrr!r"r#r<rr?) music21TextExpressionrteWords simpleReturnallExprtextExpressionTransrrbrailleTextExprs r&textExpressionToBrailler4s!*68#2#+G&(((-g6 '6== 7w 7 7 7 7 9 9 9mmooG* S SD  & &}TD'Q'Q'Q R R R R S ***U-BUUmUUVVV'6==>_QX>_>_>_```()))))))* g&++,?@@O#2996766_66888\!&/O;'6==aAZQWAZAZ[[[ 7||a)GFO;'6==>Wgfo>W>WXXX s2)B D&AC;5D;Dchg|j_|jdvr>t|j}|jjd|jd||S t |jt |jddg}d|}|jjd|jd|jd||S#ttf$rW}t d|d |jj|d td cYd }~Sd }~wwxYw) u Takes in a :class:`~music21.meter.TimeSignature` and returns its representation in braille as a string in UTF-8 unicode. >>> from music21.braille.basic import timeSigToBraille >>> print(timeSigToBraille(meter.TimeSignature('4/4'))) ⠼⠙⠲ >>> print(timeSigToBraille(meter.TimeSignature('3/4'))) ⠼⠉⠲ >>> print(timeSigToBraille(meter.TimeSignature('12/8'))) ⠼⠁⠃⠦ >>> print(timeSigToBraille(meter.TimeSignature('c'))) ⠨⠉ )commoncutzTime Signature rFTrr5/rrrN) rrsymbolr#r;r numerator denominatorr<rr r!r")m21TimeSignature brailleSig timeSigTrans unused_errors r&timeSigToBrailler@5s13-"333-45 "188 D.5 D D D D F F F*'(8(BCC'(8(D7<.24445 WW\** "188 .8  ;K;W        !8 ,*** R. R R R T T T"188>> from music21.braille.basic import showOctaveWithNote >>> showOctaveWithNote(note.Note('C4'), note.Note('E4')) False >>> showOctaveWithNote(note.Note('C4'), note.Note('F4')) False >>> showOctaveWithNote(note.Note('C4'), note.Note('F3')) True >>> showOctaveWithNote(note.Note('C4'), note.Note('A4')) True If previousNote is None, it is always True >>> showOctaveWithNote(None, note.Note('A4')) True NTrY)F)r IntervalgenericrCrE) previousNote currentNoteiisSixthOrGreaterisFourthOrFifthsameOctaveAsPrevious doShowOctaves r&showOctaveWithNoterMasyjt, 44Ay+q0i*f4O'.+2DDLO4H r]c||||tdd}|t||}||||}g}|D]}||t ||dz kr6d|}||tdStt |D],} || |td|| <-d|Sg} |$t|} | |  t||} | | td| | n##t$r||tdYnwxYwd| } |!| |tdS|}g}|D]}|||| t |dkr-|d s%|dd}t |dkr|d %t |dkr-|d s%|dd }t |dkr|d %t |t | zdz|dz krAtd|}||tdStt |D],} || |td|| <-d|S) u6 Takes in a :class:`~music21.key.KeySignature`, :class:`~music21.meter.TimeSignature`, :class:`~music21.tempo.TempoText`, and :class:`~music21.tempo.MetronomeMark` and returns its representation in braille as a string in UTF-8 unicode. The contents are always centered on a line, whose width is 40 by default. In most cases, the format is (tempo text)(space)(metronome mark)(space)(key/time signature), centered, although all of these need not be included. If all the contents do not fit on one line with at least 3 blank characters on each side, then the tempo text goes on the first line (and additional lines if necessary), and the metronome mark + key and time signature goes on the last line. If the resulting heading is of length zero, a BrailleBasicException is raised. >>> from music21.braille.basic import transcribeHeading >>> print(transcribeHeading( ... key.KeySignature(5), ... meter.TimeSignature('3/8'), ... tempo.TempoText('Allegretto'), ... tempo.MetronomeMark(number=135, referent=note.Note(type='eighth')))) ⠀⠀⠀⠀⠀⠀⠀⠠⠁⠇⠇⠑⠛⠗⠑⠞⠞⠕⠲⠀⠙⠶⠼⠁⠉⠑⠀⠼⠑⠩⠼⠉⠦⠀⠀⠀⠀⠀⠀⠀ >>> print(transcribeHeading( ... key.KeySignature(-2), ... meter.TimeSignature('common'), ... tempo.TempoText('Lento assai, cantante e tranquillo'), ... None)) ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠇⠑⠝⠞⠕⠀⠁⠎⠎⠁⠊⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠁⠝⠞⠁⠝⠞⠑⠀⠑⠀⠞⠗⠁⠝⠟⠥⠊⠇⠇⠕⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠣⠣⠨⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ >>> print(transcribeHeading( ... key.KeySignature(-2), ... meter.TimeSignature('common'), ... tempo.TempoText('Lento assai, cantante e tranquillo'), ... None, ... maxLineLength=10)) ⠀⠠⠇⠑⠝⠞⠕⠀⠀⠀ ⠀⠀⠁⠎⠎⠁⠊⠂⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠉⠁⠝⠞⠁⠝⠞⠑⠀⠀ ⠀⠀⠀⠀⠑⠀⠀⠀⠀⠀ ⠞⠗⠁⠝⠟⠥⠊⠇⠇⠕⠲ ⠀⠀⠀⠣⠣⠨⠉⠀⠀⠀ NzNo heading can be made.rrYr5rr/r0rr) rr* splitlinesr;r?r<centerr#r>rtranscribeSignatures)rmusic21TimeSignaturerrrtempoTextTranstempoTextLines headingTranstempoText_lineheading_line_index otherTransmetronomeMarkTrans keyAndTimeSig otherTransStrtempo_text_lineheadingTrans_strs r&transcribeHeadingr^sn #$, ($,#$=>>>N#+,&>  "3?@R3S3Z3Z!G$44 /0099\** *J'34HII,---C,-@BVWW  +   gg. / / /-(((( CCC  ',<,D'(ABB BCGGJ''M##M773CDDD'2244 - 1 1O    0 0 0 0M***,!##LO#'+L,!##LO#,!##L,<#',L,!##L,<# ~  ]!3!3 3a 7MA&>  "3?@R3S3Z3Z!G$44 /0099\** *s6AE>>FF1ctj}t|trt |}t |dkr) ||S#t $rtd|wxYwg}|d}t |dkrd}n2t |dkr|d}d}nt |s| tt |D]-}||d} t |dkrc| ||d | td | ||dnxt |dkre|d }d } ||} n<#t $r/} |s| |d krtd } n td } Yd} ~ nd} ~ wwxYw| | #t $rtd|wxYwd |S)u Takes in a note fingering and returns its correct transcription to braille. >>> from music21.braille.basic import transcribeNoteFingering >>> print(transcribeNoteFingering('4')) ⠂ A change of fingering: >>> print(transcribeNoteFingering('2-1')) ⠃⠉⠁ A choice of fingering, both on either the top or bottom of the staff: >>> print(transcribeNoteFingering('5|4', upperFirstInFingering=True)) ⠅⠂ >>> print(transcribeNoteFingering('5|4', upperFirstInFingering=False)) ⠂⠅ A choice of fingering, one on top and one below the staff: >>> print(transcribeNoteFingering('2,1', upperFirstInFingering=True)) ⠃⠁ >>> print(transcribeNoteFingering('2,1', upperFirstInFingering=False)) ⠁⠃ A choice of fingering, first set missing fingermark: >>> print(transcribeNoteFingering('2,x')) ⠃⠄ A choice of fingering, second set missing fingermark: >>> print(transcribeNoteFingering('x,2')) ⠠⠃ Missing fingermarks change with upperFirstInFingering >>> print(transcribeNoteFingering('x,4', upperFirstInFingering=True)) ⠠⠂ >>> print(transcribeNoteFingering('x,4', upperFirstInFingering=False)) ⠂⠄ >>> print(transcribeNoteFingering('4,x', upperFirstInFingering=True)) ⠂⠄ >>> print(transcribeNoteFingering('4,x', upperFirstInFingering=False)) ⠠⠂ A change of fingering and a choice of fingering combined (thanks to Bo-cheng Jhan for the patch): >>> print(transcribeNoteFingering('1-2|3-4')) ⠁⠉⠃⠇⠉⠂ Incorrect fingerings raise a BrailleBasicException: >>> transcribeNoteFingering('6') Traceback (most recent call last): music21.braille.basic.BrailleBasicException: Cannot translate note fingering: 6 r0z!Cannot translate note fingering: rrXT|F-r finger_changer5first_set_missing_fingermarksecond_set_missing_fingermarkN)r fingerMarksrqintrr?r rrr8r>r;r#r<) sampleNoteFingeringrrfrchoice allowAbsencerHchange changeMarkfingerMarkToAppendes r&rr"sx$K%s++7!"566 1$$ c23 3 c c c'(aL_(a(abb b c E & &s + +F 6{{a V  $**3//   3v;;  cc%% c6{{a [3444 W_5666 [34444V!!#AY %'" V)4Z)@&&VVV' Avv-45S-T**-45T-U*V /000 c c c'(aL_(a(abb b c 775>>sCA A*BH 1F:9H : G3%G.)H .G33H  H*c|| |jdkr|dSg}|$|t|||"|t|d|S)uE Takes in a :class:`~music21.key.KeySignature` and :class:`~music21.meter.TimeSignature` and returns its representation in braille as a string in UTF-8 unicode. If given an old key signature, then its cancellation will be applied before and in relation to the new key signature. Raises a BrailleBasicException if the resulting key and time signature is empty, which happens if the time signature is None and (a) the key signature is None or (b) the key signature has zero sharps and there is no previous key signature. >>> from music21.braille.basic import transcribeSignatures >>> print(transcribeSignatures(key.KeySignature(5), meter.TimeSignature('3/8'), None)) ⠼⠑⠩⠼⠉⠦ >>> print(transcribeSignatures(key.KeySignature(0), None, key.KeySignature(-3))) ⠡⠡⠡ Nrr5)r)rr;rr@r<)rrRrrs r&rQrQs& $$,(/1449Or E& _%8XXXYYY' %&:;;<<< 775>>r]c|}g}|D]Q}g}|D]"}|t|#|d|Rd|S)a translates a braille UTF-8 unicode string into braille ASCII, which is the format compatible with most braille embossers. .. note:: The function works by corresponding braille symbols to ASCII symbols. The table which corresponds to said values can be found `here `_. Because of the way in which the braille symbols translate, the resulting ASCII string will look to a non-reader as gibberish. Also, the eighth-note notes in braille music are one-off their corresponding letters in both ASCII and written braille. The written D is really a C eighth-note, the written E is really a D eighth note, etc. >>> from music21.braille.basic import brailleUnicodeToBrailleAscii, noteToBraille >>> brailleUnicodeToBrailleAscii('\u2800') ' ' >>> Cs8 = note.Note('C#4', quarterLength=0.5) >>> Cs8_braille = noteToBraille(Cs8) >>> brailleUnicodeToBrailleAscii(Cs8_braille) '%"D' >>> Eb8 = note.Note('E-4', quarterLength=0.5) >>> Eb8_braille = noteToBraille(Eb8) >>> brailleUnicodeToBrailleAscii(Eb8_braille) '<"F' r5r/)rOr; ascii_charsr<)brailleUnicode brailleLines asciiLines sampleLineallCharschars r&brailleUnicodeToBrailleAsciirxs6",,..LJ"--  / /D OOK- . . . ."''(++,,,, 99Z  r] brailleAsciicRi}tD]}||t|<|}g}|D]^}g}|D]/}|||0|d|_d|S)ut translates a braille ASCII string to braille UTF-8 unicode, which can then be displayed on-screen in braille on compatible systems. .. note:: The function works by corresponding ASCII symbols to braille symbols in a very direct fashion. It is not a translator from plain text to braille, because ASCII symbols may not correspond to their equivalents in braille. For example, a literal period is a 4 in braille ASCII. Also, all letters are translated into their lowercase equivalents, and any capital letters are indicated by preceding them with a comma. >>> t1 = braille.basic.brailleAsciiToBrailleUnicode(',ANDANTE ,MAESTOSO4') >>> t1 '⠠⠁⠝⠙⠁⠝⠞⠑⠀⠠⠍⠁⠑⠎⠞⠕⠎⠕⠲' >>> t2 = braille.basic.tempoTextToBraille(tempo.TempoText('Andante Maestoso')) >>> t1 == t2 True r5r/)rqrOr;upperr<)ry braille_charsrrtrsrurvrws r&brailleAsciiToBrailleUnicoder}s(M..*- k#&''((**JL //  9 9D OOM$**,,7 8 8 8 8BGGH--.... 99\ " ""r]o·c||||||||d}|}g}|D]}g}g}g} |D]i} tj| \} } } ||| ||| | || j|d||d||d| |dd|ddS)u translates a braille unicode string into symbols (unicode) -- for debugging. >>> print(braille.basic.brailleUnicodeToSymbols('⠜')) ·o ·o o· )00011011z r5r/rr)rOr binary_dotsr;r<)rr filledSymbol emptySymbol symbolTransrs binaryLinesru binaryLine1 binaryLine2 binaryLine3rwdots14dots25dots36s r&brailleUnicodeToSymbolsrs(666'777(7+77(8,88::K ",,..LK"       4 4D'-'9$'? $VVV   {62 3 3 3   {62 3 3 3   {62 3 3 3 3499[11222499[11222499[112222 99[2& ' ''r]c#ZKtj|D]}|dvrtdVdS)u Generator that yields symbol['dot'] characters for each row of a braille character that where the left dot is filled. These are used in many places in Braille Music Code. >>> B = braille.lookup.brailleDotDict >>> gen = braille.basic.yieldDots(B[1]) >>> gen >>> for dot in gen: ... print(dot) ⠄ >>> gen = braille.basic.yieldDots(B[1235]) >>> for dot in gen: ... print(dot) ⠄ ⠄ ⠄ )rrrN)r rr#)brailleCharacterrs r& yieldDotsr!sF("#34!! <  %. !!r]r$c gdfd }|r|D]}|r||4|dkr!td[|dkr|d|dx ||#t$rt d|d |d d zwxYwd Sd }|D]Z} |r%|s#tdd}n8|r$|r"tdd }|r>td||no|r3tj t|n(|dkr|d|dn ||8#t$rt d|d|dwxYwd S)u Transcribes a word to UTF-8 braille. >>> from music21.braille.basic import wordToBraille >>> print(wordToBraille('Andante')) ⠠⠁⠝⠙⠁⠝⠞⠑ Try the German for violin. >>> print(wordToBraille('Geige')) ⠠⠛⠑⠊⠛⠑ Tests number symbol at beginning, punctuation in number and switch back to letters. >>> print(wordToBraille('25.4cm')) ⠼⠃⠑⠲⠙⠰⠉⠍ inner_letterrc6|tvr"t|dStj|}||krt d|ztdt|dS)NzCannot translate ^)rr;r stripAccentsr )rl2 wordTranss r& add_letterz!wordToBraille..add_letterSs 8 # #   Xl3 4 4 4 4 4),77B\!!2\ABBB   Xc] + + +   Xb\ * * * * *r]rrßsz Character 'z' in Text Expression 'z' rr5FrT letter_sign uppercasez ' in word '#' cannot be transcribed to braille.)rr) isupperrr;r#r rr<isdigitisalphar numbersUpperrg)r$rrletterlastCharWasNumberrs @r&rr=s(I++++++"  ? ?F~~ ? 6<<>>****3  00004 3 3?Jv&&&&???/RfRRJRRR=>????wwy!!! ~~ *(9 *  !2333$(!!!! *&7 *  !7888$)!~~ #  !5666 6<<>>****!! #  !4S[[!ABBBB4 3 3 6"""   '`f`````   779  s B$B7D2H  !H, sampleNumberrgc hg}|r |td|r tj}n tj}t |D]O} ||t |,#t$rtd|d|dwxYwd |S)u* Transcribes a number to UTF-8 braille. By default, the result number occupies the upper two thirds of braille cells with a leading number sign. If withNumberSign is set to False, the leading number sign will be removed. If lower is set to True, the position will be changed from the upper (1245 dots) to the lower (2356 dots). >>> from music21.braille.basic import numberToBraille >>> print(numberToBraille(12)) ⠼⠁⠃ >>> print(numberToBraille(7)) ⠼⠛ >>> print(numberToBraille(37)) ⠼⠉⠛ rzDigit 'z ' in number 'rr5) r;r#r numbersLowerrrrg ValueErrorrr<)rrr numberTransnumbersdigits r&rrs K.78,--- &%%\""    ws5zz2 3 3 3 3   '_%__l___   77;  s (A;;!BceZdZdS)rNrw __module__ __qualname__rr]r&rrDr]rceZdZdS)TestNrrr]r&rrrr]r__main__)TT)F)Tr)r-r)rr)r-rrr)rrrr)NNNNr)r_T)ryrrr)r~r)r$rrr)TF)rrgrr)>__doc__ __future__rtypingtunittestmusic21rrrrrr r r music21.brailler music21.commonr TYPE_CHECKINGrrrqr# Environmentr!r__annotations__rr'rVrDr|rrrrrr:r@rrrr*r4r@rMr^rrQrxr}rrrrMusic21ExceptionrTestCaserrwmainTestrr]r&rsS:#"""""!!!!!! 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