3j.dZddlmZddlZddlZddlmZddlmZejdZ GddejZ Gd d ejjZGd d ej Zd Zedk(rddlZej(eyy)z9 Tools for performing voice-leading analysis with trees. ) annotationsN) environment) exceptions21z tree.analysisc eZdZy)HorizontalityExceptionN__name__ __module__ __qualname__B/DATA/.local/lib/python3.12/site-packages/music21/tree/analysis.pyrrr rc^eZdZdZdZd dZdZdZdZe dZ e d Z e d Z y) Horizontalityz A horizontality of consecutive PitchedTimespan objects. It must be initiated with a list or tuple of Timespan objects.  timespansNct|tjjst d||s t dt d|Ds t dt ||_y)Nz"timespans must be a sequence, not z9there must be at least one timespan in the timespans listc3PK|]}t|dxr t|d yw)offsetendTimeN)hasattr.0xs r z)Horizontality.__init__..4s'U9a71h'AGAy,AA9s$&z5only Timespan objects can be added to a horizontality) isinstance collectionsabcSequenceralltupler)selfrs r__init__zHorizontality.__init__.sd)[__%=%=>(+Mi])[\ \(KM MU9UU()`a ay)r c |j|SNr)r#items r __getitem__zHorizontality.__getitem__:s~~d##r c,t|jSr&)lenr)r#s r__len__zHorizontality.__len__=s4>>""r cg}|D];}djd|jD}d|d}|j|=dj|}dt|jd|dS) Nz, c34K|]}|jywr&)nameWithOctave)rys rrz)Horizontality.__repr__..Cs%J 1a&6&6 s(z,) )joinpitchesappendtyper )r# pitchStringsr joinedPitchesoutpitchStrs r__repr__zHorizontality.__repr__@su A II%J %JJMm_B'C    $88L)4:&&'r(155r c t|dkrytd|Dsy|djd|djd|djdf}|d|dcxkr|dkry|d|dcxkDr|dkDryyy)z Is true if the Horizontality contains a passing tone; currently defined as three tones in one direction. (TODO: better check) Fc3FK|]}t|jywr&r*r5rs rrz/Horizontality.hasPassingTone..U2TS^T!rT)r*r!r5r#r5s rhasPassingTonezHorizontality.hasPassingToneKs t9q=2T22 GOOA  GOOA  GOOA   1: /WQZ / 0 QZ'!* 1wqz 12r c t|dkrytd|Dsy|djd|djd|djdf}|d|dk(r,t|dj|djz dkryy)zH Is true if the Horizontality contains a neighbor tone. r>Fc3FK|]}t|jywr&r@rs rrz0Horizontality.hasNeighborTone..irArBrrCrDT)r*r!r5abspsrEs rhasNeighborTonezHorizontality.hasNeighborTonebs t9q=2T22 GOOA  GOOA  GOOA   1: #71:==71:==01A5r ct}|D]&}|jt|j(t |dk(ryy)ze Is true if the Horizontality contains no motion (including enharmonic restatements) rCTF)setaddr"r5r*)r# pitchSetsrs r hasNoMotionzHorizontality.hasNoMotionvs< E A MM% * + y>Q r r&) r r r __doc__ __slots__r$r(r+r<propertyrFrKrPr r rrrs^I *$#6,&  r rc eZdZy)TestNrr r rrUrUrr rUr __main__)rQ __future__rcollections.abcrunittestmusic21rr Environment environLocal TreeExceptionrrr rTestCaserU _DOC_ORDERr mainTestr r rras# &{&&7  \77 aKOO,,aN 8     zGTr