def run(cls):
data_folder = os.path.join('..', 'data')
mp3_files = get_filenames_in_dir(data_folder, keyword='*.mp3')[0]
audio_metadata = AudioMetadata(get_work_attributes=True,
print_warnings=True)
for ii, m in enumerate(mp3_files):
save_file = os.path.splitext(m)[0] + '.json'
if os.path.exists(save_file):
temp_mbid = json.load(open(save_file))['mbid']
if temp_mbid not in m:
print(m + ": does not match " + temp_mbid)
continue
print('{0:d}: {1:s}'.format(ii, m))
# Get audio metadata
audio_meta = audio_metadata.from_musicbrainz(m)
vocal_instrument = []
for a in audio_meta['artists']:
choir_bool = a['type'] == 'vocal' and \
'attribute-list' in a.keys() and \
'choir_vocals' in a['attribute-list']
if choir_bool:
vocal_instrument.append(a['attribute-list'])
elif a['type'] in ['conductor']:
pass
else:
vocal_instrument.append(a['type'])
audio_meta['instrumentation_voicing'] = \
cls.check_voice_instrumentation(vocal_instrument)
json.dump(audio_meta, open(save_file, 'w'), indent=4)
def test_recording_mbid_metadata():
# get the recording metadata
audio_metadata = AudioMetadata(get_work_attributes=True,
print_warnings=True)
mbid = '5cbd1b2d-d1ef-4627-a4d4-135a95de2b69'
mbid_meta = audio_metadata.from_musicbrainz(mbid)
# load the metadata computed earlier
saved_meta = _get_saved_meta(mbid + '.json')
assert mbid_meta == saved_meta, 'test_recording_mbid_metadata failed'
def test_audio_metadata():
# get the recording metadata
audio_metadata = AudioMetadata(get_work_attributes=True,
print_warnings=True)
mp3file = os.path.join(_curr_folder, '..', '..', 'sampledata',
'huzzam_fasil.mp3')
audio_meta = audio_metadata.from_musicbrainz(mp3file)
# load the metadata computed earlier
saved_meta = _get_saved_meta('audio_meta.json')
# remove paths since they are both relative to something else
audio_meta.pop("path", None)
saved_meta.pop("path", None)
assert audio_meta == saved_meta, 'test_audio_metadata failed'
def get_meter_from_rec(recording_ID):
'''
automatically extract the meter from the metadata of the recording by ID (MusicBrainzID)
'''
# otherwise for makam
from makammusicbrainz.audiometadata import AudioMetadata
audioMetadata = AudioMetadata(get_work_attributes=True,
print_warnings=True)
audio_meta = audioMetadata.from_musicbrainz(recording_ID)
try:
usul_type = audio_meta['usul'][0]['attribute_key']
except:
if recording_ID == '7aec9833-6482-4917-87bd-e60c7c1dae3c':
usul_type = 'kapali_curcuna'
else:
sys.exit('no usul type can be automatically fetched')
return usul_type
def __init__(self, get_recording_rels=False):
self._audioMetadata = AudioMetadata(
get_work_attributes=False, print_warnings=False)
self._workMetadata = WorkMetadata(
get_recording_rels=get_recording_rels, print_warnings=False)
class MusicBrainzMetadata(object):
def __init__(self, get_recording_rels=False):
self._audioMetadata = AudioMetadata(
get_work_attributes=False, print_warnings=False)
self._workMetadata = WorkMetadata(
get_recording_rels=get_recording_rels, print_warnings=False)
@property
def get_recording_rels(self):
return self._workMetadata.get_recording_rels
@get_recording_rels.setter
def get_recording_rels(self, value):
self._workMetadata.get_recording_rels = value
def crawl_musicbrainz(self, mbid):
if mbid is None: # empty mbid
return {'makam': {}, 'form': {}, 'usul': {}, 'name': {},
'composer': {}, 'lyricist': {}}
try: # attempt crawling
mbid = self._parse_mbid(mbid)
try: # assume mbid is a work
data = self._workMetadata.from_musicbrainz(mbid)
data['work'] = {'title': data.pop("title", None),
'mbid': data.pop('mbid', None)}
except musicbrainzngs.ResponseError: # assume mbid is a recording
data = self._audioMetadata.from_musicbrainz(mbid)
data['recording'] = {'title': data.pop("title", None),
'mbid': data.pop('mbid', None)}
if self.get_recording_rels:
warnings.warn(u"Recording mbid is given. Ignored "
u"get_recording_rels boolean.", stacklevel=2)
self._add_mb_attributes(data)
return data
except musicbrainzngs.NetworkError:
warnings.warn("Musicbrainz is not available, skipping metadata "
"crawling...", stacklevel=2)
return {'makam': {}, 'form': {}, 'usul': {}, 'name': {},
'composer': {}, 'lyricist': {}, 'url': ''}
@staticmethod
def _add_mb_attributes(data):
# scores should have one attribute per type
for attr in ['makam', 'form', 'usul']:
try:
data[attr] = data[attr][0]
except (IndexError, KeyError):
warnings.warn(
"Missing the {0:s} attribute in MusicBrainz".format(attr),
stacklevel=2)
data.pop(attr, None)
@staticmethod
def _parse_mbid(mbid):
o = urlparse(mbid)
# if the url is given get the mbid, which is the last field
o_splitted = o.path.split('/')
mbid = o_splitted[-1]
return mbid
@staticmethod
def validate_mb_attribute(attrib_dict, score_attrib, scorename):
is_attribute_valid = True
if 'mb_attribute' in score_attrib.keys(): # work
skip_makam_slug = ['12212212', '22222221', '223', '232223', '262',
'3223323', '3334', '14_4']
if score_attrib['symbtr_slug'] in skip_makam_slug:
warnings.warn(u'{0:s}: The usul attribute is not stored in '
u'MusicBrainz.'.format(scorename), stacklevel=2)
else:
if not score_attrib['mb_attribute'] == \
attrib_dict['dunya_name']:
# dunya_names are (or should be) a superset of the
# musicbrainz attributes
is_attribute_valid = False
if score_attrib['mb_attribute']:
warn_str = u'{0:s}, {1:s}: The MusicBrainz ' \
u'attribute does not match.' \
u''.format(scorename,
score_attrib['mb_attribute'])
warnings.warn(warn_str.encode('utf-8'), stacklevel=2)
else:
warnings.warn(u'{0:s}: The MusicBrainz attribute does'
u' not exist.'.format(scorename),
stacklevel=2)
return is_attribute_valid
@staticmethod
def validate_mb_attribute_tag(attrib_dict, score_attrib, scorename):
is_attribute_valid = True
has_mb_tag = 'mb_tag' in score_attrib.keys()
if has_mb_tag and score_attrib['mb_tag'] not in attrib_dict['mb_tag']:
is_attribute_valid = False
warn_str = u'{0!s}, {1!s}: The MusicBrainz tag does not match.'.\
format(scorename, score_attrib['mb_tag'])
warnings.warn(warn_str.encode('utf-8'), stacklevel=2)
return is_attribute_valid