def is_black_white_adjacent(one_note, other_note):
"""
Determine if two fingerings of the input notes are interchangeable
because they are adjacent long fingers of the same hand or adjacent
fingers on white keys.
:param one_note: A fingered middle note of a trigram.
:param other_note: Another fingered middle note of the same sequence.
:return: True iff they are interchangeable. False otherwise, even if
finger used is the same.
"""
one_pf = PianoFingering.fingering(one_note)
other_pf = PianoFingering.fingering(other_note)
if one_pf.strike_hand() != other_pf.strike_hand():
return False
one_digit = one_pf.strike_digit()
other_digit = other_pf.strike_digit()
if one_digit == other_digit:
return False
if (one_digit in (2, 3) and other_digit in (2, 3)) or \
(one_digit in (3, 4) and other_digit in (3, 4)):
return True
if DEvalFunction.is_white_key(one_note):
if (one_digit in (1, 2) and other_digit in (1, 2)) or \
(one_digit in (4, 5) and other_digit in (4, 5)):
return True
return False
def delta_hamming(one_note, other_note):
one_pf = PianoFingering.fingering(one_note)
other_pf = PianoFingering.fingering(other_note)
if one_pf.strike_digit() != other_pf.strike_digit():
return 1.0
elif one_pf.strike_hand() != other_pf.strike_hand():
return 1.0
return 0.0
def get_best_pseudo_model_scores(d_score, staff="upper"):
system_scores = []
for i in range(5):
system_scores.append(copy.deepcopy(d_score))
PianoFingering.finger_score(d_score=system_scores[i],
staff=staff,
id=i + 1)
return system_scores
def get_worst_pseudo_model_scores(d_score, staff="upper"):
ann_count = d_score.annotation_count()
system_scores = []
for i in range(ann_count - 1, ann_count - 6, -1):
system_scores.append(copy.deepcopy(d_score))
PianoFingering.finger_score(d_score=system_scores[i],
staff=staff,
id=i + 1)
return system_scores
def get_all_results(self, corpus_name, model, model_name, k=5, staff="upper", full_context=True, version='0000'):
if (corpus_name, model_name, version, staff, k, full_context) in self._err_result_cache:
cached_err_results = self._err_result_cache[(corpus_name, model_name, version, staff, k, full_context)]
cached_pivot_reports = self._pivot_report_cache[(corpus_name, model_name, version, staff, k, full_context)]
cached_rank_results = self._rank_result_cache[(corpus_name, model_name, version, staff, k, full_context)]
return cached_err_results, cached_pivot_reports, cached_rank_results
rank_results = []
err_results = []
pivot_reports = {}
da_corpus = self.get_corpus(corpus_name=corpus_name)
for da_score in da_corpus.d_score_list():
model.load_score_as_corpus(d_score=da_score)
system_scores = self.get_fingered_system_scores(loaded_model=model,
model_name=model_name, version=version)
title = da_score.title()
note_count = da_score.note_count(staff=STAFF)
abcdh = da_score.abcd_header()
last_annot_id = abcdh.annotation_count()
for annot_id in range(1, last_annot_id + 1):
annot = abcdh.annotation_by_id(annot_id)
comment = annot.comments()
mat = re.match(WEIGHT_RE, comment)
if mat:
weight = int(mat.group(1))
else:
weight = 1
human_score = copy.deepcopy(da_score)
PianoFingering.finger_score(d_score=human_score, staff=STAFF, id=annot_id)
evil = DEvaluation(human_score=human_score, system_scores=system_scores,
staff=staff, full_context=full_context)
pivot_report_key = (model_name, corpus_name, title)
pivot_heading = "{} over {} {} human {}".format(model_name, corpus_name, title, annot_id)
pivot_report = evil.pivot_count_report(heading=pivot_heading)
if pivot_report_key not in pivot_reports:
pivot_reports[pivot_report_key] = []
pivot_reports[pivot_report_key].append(pivot_report)
err_result = self._get_err_result_set(evil, corpus_name=corpus_name, model_name=model_name,
title=title, note_count=note_count,
annot_id=annot_id, weight=weight)
err_results.append(err_result)
for i in range(k):
rank = i + 1
result = self._get_result_set(evil, corpus_name=corpus_name, model_name=model_name,
title=title, note_count=note_count,
annot_id=annot_id, weight=weight, rank=rank)
rank_results.append(result)
evil.parameterize() # Reset to defaults.
self._err_result_cache[(corpus_name, model_name, version, staff, k, full_context)] = err_results
self._pivot_report_cache[(corpus_name, model_name, version, staff, k, full_context)] = pivot_reports
self._rank_result_cache[(corpus_name, model_name, version, staff, k, full_context)] = rank_results
return err_results, pivot_reports, rank_results
def _get_basic_bigram_info(one_stream, index):
if index >= len(one_stream):
raise Exception("Stream index is out of range")
a_pf = PianoFingering.fingering(one_stream[index])
b_pf = PianoFingering.fingering(one_stream[index + 1])
this_note = one_stream[index]
next_note = one_stream[index + 1]
this_midi = this_note.pitch.midi
next_midi = next_note.pitch.midi
direction = next_midi - this_midi
return a_pf, b_pf, direction
def delta_adjacent_long(one_note, other_note, epsilon=None):
if epsilon is None:
epsilon = DEvalFunction.delta_epsilon
one_pf = PianoFingering.fingering(one_note)
other_pf = PianoFingering.fingering(other_note)
if one_pf.strike_hand() != other_pf.strike_hand():
return 1.0
one_digit = one_pf.strike_digit()
other_digit = other_pf.strike_digit()
if one_digit == other_digit:
return 0.0
if (one_digit in (2, 3) and other_digit in (2, 3)) or \
(one_digit in (3, 4) and other_digit in (3, 4)):
return 1.0 - epsilon
return 1.0
def is_unigram_match(one_note_stream, other_note_stream, index):
if len(one_note_stream) != len(other_note_stream):
raise Exception("Mismatched note streams")
if index < 0:
return True
if index >= len(one_note_stream):
return True
one_note = one_note_stream[index]
other_note = other_note_stream[index]
one_pf = PianoFingering.fingering(one_note)
other_pf = PianoFingering.fingering(other_note)
if one_pf.strike_hand() != other_pf.strike_hand():
return False
if one_pf.strike_digit() == other_pf.strike_digit():
return True
return False
def abcdf2pf_list(abcdf):
annot = DAnnotation(abcdf=abcdf)
sfs = annot.score_fingerings(staff="upper")
pfs = []
for sf in sfs:
pf = PianoFingering(score_fingering=sf)
pfs.append(pf)
return pfs
def get_system_scores(self, model_name, d_score, k=5, weights=None):
if model_name == 'ideal':
return DEvaluation.get_best_pseudo_model_scores(d_score=d_score, staff=STAFF)
model = self.get_model(model_name=model_name, weights=weights)
advice = model.generate_advice(staff=STAFF, score_index=0, k=k)
# print(advice)
sys_scores = []
for r in (range(k)):
sys_score = copy.deepcopy(d_score)
sys_score.remove_annotations()
abcdf = advice[0][r]
ann = DAnnotation(abcdf=abcdf, authority=model_name)
sys_score.annotate(d_annotation=ann)
PianoFingering.finger_score(d_score=sys_score, staff=STAFF)
sys_scores.append(sys_score)
return sys_scores
def get_fingered_system_scores(self, loaded_model: Parncutt, model_name, version=None, score_count=5, weights=None):
advice = loaded_model.generate_advice(staff=STAFF, score_index=0, k=score_count)
# print(advice)
authority = model_name
if version:
authority = model_name + '_' + version
base_score = loaded_model.score_by_index(0)
sys_scores = []
for i in range(score_count):
sys_score = copy.deepcopy(base_score)
sys_score.remove_annotations()
abcdf = advice[0][i]
ann = DAnnotation(abcdf=abcdf, authority=authority)
sys_score.annotate(d_annotation=ann)
PianoFingering.finger_score(d_score=sys_score, staff=STAFF)
sys_scores.append(sys_score)
return sys_scores
def get_err_results(self, corpus_name, model, model_name, staff="upper", full_context=True, version='0000'):
if (corpus_name, model_name, version, staff) in self._err_result_cache:
cached_err_results = self._err_result_cache[(corpus_name, model_name, version, staff)]
return cached_err_results
err_results = []
da_corpus = self.get_corpus(corpus_name=corpus_name)
for da_score in da_corpus.d_score_list():
model.load_score_as_corpus(d_score=da_score)
system_scores = self.get_fingered_system_scores(loaded_model=model,
model_name=model_name, version=version)
title = da_score.title()
note_count = da_score.note_count(staff=STAFF)
abcdh = da_score.abcd_header()
last_annot_id = abcdh.annotation_count()
for annot_id in range(1, last_annot_id + 1):
annot = abcdh.annotation_by_id(annot_id)
comment = annot.comments()
mat = re.match(WEIGHT_RE, comment)
if mat:
weight = int(mat.group(1))
else:
weight = 1
human_score = copy.deepcopy(da_score)
PianoFingering.finger_score(d_score=human_score, staff=STAFF, id=annot_id)
evil = DEvaluation(human_score=human_score, system_scores=system_scores,
staff=staff, full_context=full_context)
err_result = self._get_err_result_set(evil, corpus_name=corpus_name, model_name=model_name,
title=title, note_count=note_count,
annot_id=annot_id, weight=weight)
err_results.append(err_result)
self._err_result_cache[(corpus_name, model_name, version, staff)] = err_results
return err_results
def finger_contour_for_note_stream(stream):
contour_string = ''
prior_note = None
for note in stream:
if prior_note:
if DEvaluation._is_ascending(one_note=prior_note,
next_note=note):
contour_string += '/'
elif DEvaluation._is_descending(one_note=prior_note,
next_note=note):
contour_string += "\\"
else:
contour_string += '-'
pf = PianoFingering.fingering(note)
contour_string += "{}{}".format(pf.strike_hand(),
pf.strike_digit())
prior_note = note
return contour_string
def abcdf_for_note_stream(stream):
abcdf_str = ''
for note in stream:
pf = PianoFingering.fingering(note)
abcdf_str += "{}{}".format(pf.strike_hand(), pf.strike_digit())
return abcdf_str
annotator_unigrams = corpus_unigrams[corpus_name][score_id][
annotator_id]
annotator_trigrams = corpus_trigrams[corpus_name][score_id][
annotator_id]
annotator_distance = {
'unigram': 0,
'adjlong': 0,
'trigram': 0,
'nuanced': 0
}
is_unigram_match = True
is_unigram_proxy_match = True
for note_index in range(score_len):
czerny_finger = CZERNY_PFS[score_id][note_index]
annotated_finger = annotator_unigrams[note_index]
annotator_distance['unigram'] += PianoFingering.delta_hamming(
czerny_finger, annotated_finger)
annotator_distance[
'adjlong'] += PianoFingering.delta_adjacent_long(
czerny_finger, annotated_finger)
czerny_trigram = CZERNY_TRIGRAMS[score_id][note_index]
annotated_trigram = annotator_trigrams[note_index]
annotator_distance['trigram'] += PianoFingering.tau_trigram(
czerny_trigram, annotated_trigram)
annotator_distance['nuanced'] += PianoFingering.tau_nuanced(
czerny_trigram, annotated_trigram)
if not PianoFingering.is_unigram_match(annotated_finger,
czerny_finger):
is_unigram_match = False
if not PianoFingering.is_adjacent_long(
annotated_finger, czerny_finger):
is_unigram_proxy_match = False
