def _initialize_by_symbolic_string(self, symbolic_string):
from abjad.tools import tonalanalysistools
groups = self._symbolic_string_regex.match(symbolic_string).groups()
accidental, roman_numeral, quality, figured_bass = groups
scale_degree = tonalanalysistools.ScaleDegree(accidental +
roman_numeral)
figured_bass_parts = figured_bass.split('/')
naive_figured_bass = [x for x in figured_bass_parts if not '-' in x]
naive_figured_bass = '/'.join(naive_figured_bass)
extent = self._figured_bass_string_to_extent[naive_figured_bass]
extent = tonalanalysistools.ChordExtent(extent)
uppercase = roman_numeral == roman_numeral.upper()
quality = self._get_quality_name(uppercase, quality, extent.number)
quality = tonalanalysistools.ChordQuality(quality)
inversion = self._figured_bass_string_to_inversion[naive_figured_bass]
inversion = tonalanalysistools.ChordInversion(inversion)
suspension = [x for x in figured_bass_parts if '-' in x]
if not suspension:
suspension = tonalanalysistools.ChordSuspension()
elif 1 < len(suspension):
message = 'no multiple suspensions yet.'
raise NotImplementedError(message)
else:
suspension = tonalanalysistools.ChordSuspension(suspension[0])
return scale_degree, quality, extent, inversion, suspension
def test_tonalanalysistools_ChordSuspension__initialize_by_reference_01():
chord_suspension = tonalanalysistools.ChordSuspension(4, 3)
u = tonalanalysistools.ChordSuspension(chord_suspension)
assert chord_suspension is not u
assert chord_suspension == u
def test_tonalanalysistools_ChordSuspension__initialize_by_symbolic_string_01():
chord_suspension = tonalanalysistools.ChordSuspension('4-3')
assert chord_suspension.start == tonalanalysistools.ScaleDegree(4)
assert chord_suspension.stop == tonalanalysistools.ScaleDegree(3)
chord_suspension = tonalanalysistools.ChordSuspension('b2-1')
assert chord_suspension.start == tonalanalysistools.ScaleDegree('flat', 2)
assert chord_suspension.stop == tonalanalysistools.ScaleDegree(1)
def test_tonalanalysistools_ChordSuspension_figured_bass_string_01():
chord_suspension = tonalanalysistools.ChordSuspension(4, 3)
assert chord_suspension.figured_bass_string == '4-3'
chord_suspension = tonalanalysistools.ChordSuspension(('flat', 2), 1)
assert chord_suspension.figured_bass_string == 'b2-1'
chord_suspension = tonalanalysistools.ChordSuspension()
assert chord_suspension.figured_bass_string == ''
def test_tonalanalysistools_ChordSuspension_title_string_01():
chord_suspension = tonalanalysistools.ChordSuspension(4, 3)
assert chord_suspension.title_string == 'FourThreeSuspension'
chord_suspension = tonalanalysistools.ChordSuspension(('flat', 2), 1)
assert chord_suspension.title_string == 'FlatTwoOneSuspension'
chord_suspension = tonalanalysistools.ChordSuspension()
assert chord_suspension.title_string == ''
def test_tonalanalysistools_ChordSuspension_chord_name_01():
chord_suspension = tonalanalysistools.ChordSuspension(4, 3)
assert chord_suspension.chord_name == 'sus4'
chord_suspension = tonalanalysistools.ChordSuspension(('flat', 2), 1)
assert chord_suspension.chord_name == 'susb2'
chord_suspension = tonalanalysistools.ChordSuspension()
assert chord_suspension.chord_name == ''
def __init__(self, symbol='V7'):
from abjad.tools import tonalanalysistools
groups = self._symbol_regex.match(symbol).groups()
accidental, roman_numeral, quality, figured_bass = groups
scale_degree = accidental + roman_numeral
scale_degree = tonalanalysistools.ScaleDegree(scale_degree)
figured_bass_parts = figured_bass.split('/')
naive_figured_bass = [x for x in figured_bass_parts if '-' not in x]
naive_figured_bass = '/'.join(naive_figured_bass)
extent = self._figured_bass_string_to_extent[naive_figured_bass]
extent = tonalanalysistools.ChordExtent(extent)
uppercase = roman_numeral == roman_numeral.upper()
quality = self._get_quality_name(uppercase, quality, extent.number)
quality = tonalanalysistools.ChordQuality(quality)
inversion = self._figured_bass_string_to_inversion[naive_figured_bass]
inversion = tonalanalysistools.ChordInversion(inversion)
suspension = [x for x in figured_bass_parts if '-' in x]
if not suspension:
suspension = None
elif 1 < len(suspension):
message = 'no multiple suspensions yet.'
raise NotImplementedError(message)
else:
suspension = tonalanalysistools.ChordSuspension(suspension[0])
self._root_scale_degree = scale_degree
self._quality = quality
self._extent = extent
self._inversion = inversion
if suspension is not None and suspension.start is None:
suspension = None
self._suspension = suspension
def _initialize_with_suspension(self, *args):
from abjad.tools import tonalanalysistools
scale_degree, quality, extent, inversion, suspension = \
self._initialize_by_scale_degree_quality_extent_and_inversion(*args[:-1])
suspension = args[-1]
suspension = tonalanalysistools.ChordSuspension(suspension)
return scale_degree, quality, extent, inversion, suspension
def test_tonalanalysistools_RomanNumeral_suspension_01():
roman_numeral = tonalanalysistools.RomanNumeral(5, 'major', 5, 0, (4, 3))
assert roman_numeral.suspension == tonalanalysistools.ChordSuspension(4, 3)
assert roman_numeral.suspension.start == tonalanalysistools.ScaleDegree(4)
assert roman_numeral.suspension.stop == tonalanalysistools.ScaleDegree(3)
def test_tonalanalysistools_ChordSuspension___eq___01():
chord_suspension = tonalanalysistools.ChordSuspension(4, 3)
u = tonalanalysistools.ChordSuspension(4, 3)
voice = tonalanalysistools.ChordSuspension(2, 1)
assert chord_suspension == chord_suspension
assert chord_suspension == u
assert not chord_suspension == voice
assert u == chord_suspension
assert u == u
assert not u == voice
assert not voice == chord_suspension
assert not voice == u
assert voice == voice
def _initialize_by_scale_degree_quality_extent_and_inversion(self, *args):
from abjad.tools import tonalanalysistools
scale_degree, quality, extent, inversion = args
scale_degree = tonalanalysistools.ScaleDegree(scale_degree)
quality = tonalanalysistools.ChordQuality(quality)
extent = tonalanalysistools.ChordExtent(extent)
inversion = tonalanalysistools.ChordInversion(inversion)
suspension = tonalanalysistools.ChordSuspension()
return scale_degree, quality, extent, inversion, suspension
def test_tonalanalysistools_ChordSuspension_is_empty_01():
chord_suspension = tonalanalysistools.ChordSuspension()
assert chord_suspension.is_empty
def test_tonalanalysistools_ChordSuspension_figured_bass_pair_01():
#assert tonalanalysistools.ChordSuspension(9, 8).figured_bass_pair == (9, 8)
assert tonalanalysistools.ChordSuspension(7, 6).figured_bass_pair == (7, 6)
assert tonalanalysistools.ChordSuspension(4, 3).figured_bass_pair == (4, 3)
assert tonalanalysistools.ChordSuspension(2, 1).figured_bass_pair == (2, 1)
def test_tonalanalysistools_ChordSuspension__initialize_by_pair_01():
chord_suspension = tonalanalysistools.ChordSuspension((4, 3))
assert chord_suspension.start == tonalanalysistools.ScaleDegree(4)
assert chord_suspension.stop == tonalanalysistools.ScaleDegree(3)
def test_tonalanalysistools_ChordSuspension__initialize_by_start_and_stop_02():
chord_suspension = tonalanalysistools.ChordSuspension(4, ('flat', 3))
assert chord_suspension.start == tonalanalysistools.ScaleDegree(4)
assert chord_suspension.stop == tonalanalysistools.ScaleDegree('flat', 3)
