U 5d}FJ@sdZddlZddlZddlmZddlmZddlm Z ddd d d d d gZ e dddddddgdddddddgdddddddgdddddddgdddddddgdddddddgdddddddgdddddddgdddddddgdddddddgd Z dde dddddd d!d"d#d$d%d&d'd(d)d*d+d,d-d.d/d0d1d2d3d4d5d6d7d8d9d:d;dd?d@dAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd[d\d]d^d_d`dadbgHdDZdcd Zddd Ze eddedfdfdgdhd Zdid Zdjd Ze eddedfdkdldZdmdZdS)nzMusic notation utilitiesN)cache)ParameterError)deprecate_positional_argskey_to_degrees key_to_notesmela_to_degrees mela_to_svarathaat_to_degrees list_mela list_thaat ) ZbilavalZkhamajZkafiZasavariZbhairaviZkalyanZmarvaZpoorviZtodiZbhairavcCsi|]\}}||qSr).0ikrr9/tmp/pip-unpacked-wheel-8l90aumz/librosa/core/notation.py #srZ kanakangiZratnangiZ ganamurthiZ vanaspathiZ manavathiZtanarupiZ senavathiZ hanumathodiZdhenukaZ natakapriyaZ kokilapriyaZ rupavathiZ gayakapriyaZvakulabharanamZmayamalavagaulaZ chakravakomZ suryakanthamZ hatakambariZjhankaradhwaniZ natabhairaviZ keeravaniZkharaharapriyaZ gaurimanohariZ varunapriyaZ mararanjiniZ charukesiZ sarasangiZ harikambhojiZdheerasankarabharanamZ naganandiniZ yagapriyaZ ragavardhiniZgangeyabhushaniZ vagadheeswariZsuliniZ chalanattaZsalagamZ jalarnavamZ jhalavaraliZ navaneethamZpavaniZ raghupriyaZ gavambodhiZ bhavapriyaZsubhapanthuvaraliZshadvidhamarginiZ suvarnangiZ divyamaniZ dhavalambariZ namanarayaniZ kamavardhiniZ ramapriyaZ gamanasramaZ viswambhariZ syamalangiZshanmukhapriyaZsimhendramadhyamamZ hemavathiZ dharmavathiZ neethimathiZ kanthamaniZ rishabhapriyaZlatangiZ vachaspathiZ mechakalyaniZ chitrambariZ sucharitraZjyotisvarupiniZ dhatuvardhiniZnasikabhushaniZkosalamZ rasikapriyacCstt|S)a5Construct the svara indices (degrees) for a given thaat Parameters ---------- thaat : str The name of the thaat Returns ------- indices : np.ndarray A list of the seven svara indices (starting from 0=Sa) contained in the specified thaat See Also -------- key_to_degrees mela_to_degrees list_thaat Examples -------- >>> librosa.thaat_to_degrees('bilaval') array([ 0, 2, 4, 5, 7, 9, 11]) >>> librosa.thaat_to_degrees('todi') array([ 0, 1, 3, 6, 7, 8, 11]) )npZasarray THAAT_MAPlower)Zthaatrrrr uscCst|trt|d}n0d|kr0dkr>nn |d}ntd|dg}|d}d|krndkrnn|ddgnd|krdkrnn|dd gnd|krd krnn|dd gnbd |krd krnn|dd gn:d |krd kr&nn|dd gn|d d g|dkrJ|dn |d|d|d}|dkr|ddgnv|dkr|ddgn\|dkr|ddgnB|d kr|ddgn(|d kr|ddgn|ddgt |S)aConstruct the svara indices (degrees) for a given melakarta raga Parameters ---------- mela : str or int Either the name or integer index ([1, 2, ..., 72]) of the melakarta raga Returns ------- degrees : np.ndarray A list of the seven svara indices (starting from 0=Sa) contained in the specified raga See Also -------- thaat_to_degrees key_to_degrees list_mela Examples -------- Melakarta #1 (kanakangi): >>> librosa.mela_to_degrees(1) array([0, 1, 2, 5, 7, 8, 9]) Or using a name directly: >>> librosa.mela_to_degrees('kanakangi') array([0, 1, 2, 5, 7, 8, 9]) rrH mela={} must be in range [1, 72]$rr rr rrrrrr) isinstancestr MELAKARTA_MAPrrformatextendappendrarray)melaindexdegreesrupperrrrrsF!           )levelT)abbrunicodec Csdddddddddddd g }t|tr8t|d }n0d |krLd krZnn |d }ntd ||d}|dkrd|d<nd|d<|dkrd|d<nd|d<|d}|d krd|d<nd|d<|dkrd|d<nd|d<|rdd|D}|sd d|D}t|S)!uLSpell the Carnatic svara names for a given melakarta raga This function exists to resolve enharmonic equivalences between pitch classes: - Ri2 / Ga1 - Ri3 / Ga2 - Dha2 / Ni1 - Dha3 / Ni2 For svara outside the raga, names are chosen to preserve orderings so that all Ri precede all Ga, and all Dha precede all Ni. Parameters ---------- mela : str or int the name or numerical index of the melakarta raga abbr : bool If `True`, use single-letter svara names: S, R, G, ... If `False`, use full names: Sa, Ri, Ga, ... unicode : bool If `True`, use unicode symbols for numberings, e.g., Ri₁ If `False`, use low-order ASCII, e.g., Ri1. Returns ------- svara : list of strings The svara names for each of the 12 pitch classes. See Also -------- key_to_notes mela_to_degrees list_mela Examples -------- Melakarta #1 (Kanakangi) uses R1, G1, D1, N1 >>> librosa.mela_to_svara(1) ['S', 'R₁', 'G₁', 'G₂', 'G₃', 'M₁', 'M₂', 'P', 'D₁', 'N₁', 'N₂', 'N₃'] #19 (Jhankaradhwani) uses R2 and G2 so the third svara are Ri: >>> librosa.mela_to_svara(19) ['S', 'R₁', 'R₂', 'G₂', 'G₃', 'M₁', 'M₂', 'P', 'D₁', 'N₁', 'N₂', 'N₃'] #31 (Yagapriya) uses R3 and G3, so third and fourth svara are Ri: >>> librosa.mela_to_svara(31) ['S', 'R₁', 'R₂', 'R₃', 'G₃', 'M₁', 'M₂', 'P', 'D₁', 'N₁', 'N₂', 'N₃'] #34 (Vagadheeswari) uses D2 and N2, so Ni1 becomes Dha2: >>> librosa.mela_to_svara(34) ['S', 'R₁', 'R₂', 'R₃', 'G₃', 'M₁', 'M₂', 'P', 'D₁', 'D₂', 'N₂', 'N₃'] #36 (Chalanatta) uses D3 and N3, so Ni2 becomes Dha3: >>> librosa.mela_to_svara(36) ['S', 'R₁', 'R₂', 'R₃', 'G₃', 'M₁', 'M₂', 'P', 'D₁', 'D₂', 'D₃', 'N₃'] # You can also query by raga name instead of index: >>> librosa.mela_to_svara('chalanatta') ['S', 'R₁', 'R₂', 'R₃', 'G₃', 'M₁', 'M₂', 'P', 'D₁', 'D₂', 'D₃', 'N₃'] ZSauRi₁NuGa₃uMa₁uMa₂ZPauDha₁uNi₃rrr r!r"ruGa₁ruRi₂r&uGa₂ruRi₃uNi₁ruDha₂ruDha₃ruNi₂c Ss$g|]}|tddddqS))ahr translater( maketransrsrrr sz!mela_to_svara..c Ss$g|]}|tddddqS)123)u₁u₂u₃r8r;rrrr=s)r'r(r)rrr*list)r.r3r4Z svara_mapZmela_idxrr1rrrr sRN      cCstS)aUList melakarta ragas by name and index. Melakarta raga names are transcribed from [#]_, with the exception of #45 (subhapanthuvarali). .. [#] Bhagyalekshmy, S. (1990). Ragas in Carnatic music. South Asia Books. Returns ------- mela_map : dict A dictionary mapping melakarta raga names to indices (1, 2, ..., 72) Examples -------- >>> librosa.list_mela() {'kanakangi': 1, 'ratnangi': 2, 'ganamurthi': 3, 'vanaspathi': 4, ...} See Also -------- mela_to_degrees mela_to_svara list_thaat )r)copyrrrrr scCs ttS)a}List supported thaats by name. Returns ------- thaats : list A list of supported thaats Examples -------- >>> librosa.list_thaat() ['bilaval', 'khamaj', 'kafi', 'asavari', 'bhairavi', 'kalyan', 'marva', 'poorvi', 'todi', 'bhairav'] See Also -------- list_mela thaat_to_degrees )rArkeysrrrrr s)r4c std|}|std|ddddddd d }d dd d d d d }|d}|d}||}|ddd}|dk} | r|||dd} n|||ddd} |dkrd} n8|dkrd} n*d| krdkrnnd} n | dkrd} ddddddddd d!d"d#g } dd$dd%ddd&dd'd!d(d#g } d)d*d+d,d-d.d/g}d0d1d2d3d4d5g}| }| dkrp|d#krpd}| rtd|dd D]}||\}}|| |<q| }n>d| d}td|dd D]}||\}}|| |<q| }|st d6d7d8d9d:t fd;d<|D}|S)=u Lists all 12 note names in the chromatic scale, as spelled according to a given key (major or minor). This function exists to resolve enharmonic equivalences between different spellings for the same pitch (e.g. C♯ vs D♭), and is primarily useful when producing human-readable outputs (e.g. plotting) for pitch content. Note names are decided by the following rules: 1. If the tonic of the key has an accidental (sharp or flat), that accidental will be used consistently for all notes. 2. If the tonic does not have an accidental, accidentals will be inferred to minimize the total number used for diatonic scale degrees. 3. If there is a tie (e.g., in the case of C:maj vs A:min), sharps will be preferred. Parameters ---------- key : string Must be in the form TONIC:key. Tonic must be upper case (``CDEFGAB``), key must be lower-case (``maj`` or ``min``). Single accidentals (``b!♭`` for flat, or ``#♯`` for sharp) are supported. Examples: ``C:maj, Db:min, A♭:min``. unicode : bool If ``True`` (default), use Unicode symbols (♯𝄪♭𝄫)for accidentals. If ``False``, Unicode symbols will be mapped to low-order ASCII representations:: ♯ -> #, 𝄪 -> ##, ♭ -> b, 𝄫 -> bb Returns ------- notes : list ``notes[k]`` is the name for semitone ``k`` (starting from C) under the given key. All chromatic notes (0 through 11) are included. See Also -------- midi_to_note Examples -------- `C:maj` will use all sharps >>> librosa.key_to_notes('C:maj') ['C', 'C♯', 'D', 'D♯', 'E', 'F', 'F♯', 'G', 'G♯', 'A', 'A♯', 'B'] `A:min` has the same notes >>> librosa.key_to_notes('A:min') ['C', 'C♯', 'D', 'D♯', 'E', 'F', 'F♯', 'G', 'G♯', 'A', 'A♯', 'B'] `A♯:min` will use sharps, but spell note 0 (`C`) as `B♯` >>> librosa.key_to_notes('A#:min') ['B♯', 'C♯', 'D', 'D♯', 'E', 'E♯', 'F♯', 'G', 'G♯', 'A', 'A♯', 'B'] `G♯:maj` will use a double-sharp to spell note 7 (`G`) as `F𝄪`: >>> librosa.key_to_notes('G#:maj') ['B♯', 'C♯', 'D', 'D♯', 'E', 'E♯', 'F♯', 'F𝄪', 'G♯', 'A', 'A♯', 'B'] `F♭:min` will use double-flats >>> librosa.key_to_notes('Fb:min') ['D𝄫', 'D♭', 'E𝄫', 'E♭', 'F♭', 'F', 'G♭', 'A𝄫', 'A♭', 'B𝄫', 'B♭', 'C♭'] K^(?P[A-Ga-g])(?P[#♯b!♭]?):(?P(maj|min)(or)?)$Improper key format: {:s}rrr rrrrCDEFGABr#r5b!♯♭tonic accidentalscaleNrmajr#FTrrGuC♯rHuD♯rIrJuF♯rKuG♯rLuA♯rMuD♭uE♭uG♭uA♭uB♭)ruE♯)ruB♯)ruF𝄪)ruC𝄪)ruG𝄪)r uD𝄪)ruA𝄪)ruC♭)r uF♭)ruB𝄫)ruE𝄫)ruA𝄫)ruD𝄫rPz##rQZbb)rSu𝄪rTu𝄫c3s|]}|VqdS)N)r9)rnZ translationsrr zszkey_to_notes..) rematchrr*groupr1rranger(r:rA)keyr4r] pitch_mapacc_maprUrVoffsetrWmajorZ tonic_numberZ use_sharpsZ notes_sharpZ notes_flatZsharp_correctionsZflat_correctionsZn_sharpsrYr/namenotesZn_flatsrrZrrstM         c Csttdddddddgtdddddd d gd }td |}|sRtd |dddddddd}ddddddd}|d}|d}||}|ddd }|||||dS)uConstruct the diatonic scale degrees for a given key. Parameters ---------- key : str Must be in the form TONIC:key. Tonic must be upper case (``CDEFGAB``), key must be lower-case (``maj`` or ``min``). Single accidentals (``b!♭`` for flat, or ``#♯`` for sharp) are supported. Examples: ``C:maj, Db:min, A♭:min``. Returns ------- degrees : np.ndarray An array containing the semitone numbers (0=C, 1=C#, ... 11=B) for each of the seven scale degrees in the given key, starting from the tonic. See Also -------- key_to_notes Examples -------- >>> librosa.key_to_degrees('C:maj') array([ 0, 2, 4, 5, 7, 9, 11]) >>> librosa.key_to_degrees('C#:maj') array([ 1, 3, 5, 6, 8, 10, 0]) >>> librosa.key_to_degrees('A:min') array([ 9, 11, 0, 2, 4, 5, 7]) rrr rrrrrrr)rXminrDrErFrrNrOrUrVrWNr#) dictrr-r\r]rr*r^r1r) r`rfr]rarbrUrVrcrWrrrrs"$ )__doc__r\Znumpyr_cacherZutil.exceptionsrZutil.decoratorsr__all__rhr enumerater)r rr r r rrrrrrs    JRc!3