def __init__(self, fpath):
# Forcing the unicode through
try : fpath = fpath.decode("utf-8")
except : pass
if not mmp.file_playable(fpath): raise BadSongFile(fpath)
try : full_mutagen = mutagen.File(fpath, easy=True)
except Exception : raise BadSongFile(fpath)
self.path = fpath
if not os.path.exists(self.path):
self.logger.info("Attempting to read metadata of file \
that does not exist. Setting metadata to {}")
self.__metadata = {}
return
# TODO : Simplify the way all of these rules are handled right now it's
# extremely unclear and needs to be refactored.
#if full_mutagen is None: raise BadSongFile(fpath)
if full_mutagen is None: full_mutagen = FakeMutagen(fpath)
self.__metadata = Metadata.airtime_dict(full_mutagen)
# Now we extra the special values that are calculated from the mutagen
# object itself:
if mmp.extension(fpath) == 'wav':
full_mutagen.set_length(mmp.read_wave_duration(fpath))
for special_key,f in airtime_special.iteritems():
try:
new_val = f(full_mutagen)
if new_val is not None:
self.__metadata[special_key] = new_val
except Exception as e:
self.logger.info("Could not get special key %s for %s" %
(special_key, fpath))
self.logger.info(str(e))
# Finally, we "normalize" all the metadata here:
self.__metadata = mmp.normalized_metadata(self.__metadata, fpath)
# Now we must load the md5:
# TODO : perhaps we shouldn't hard code how many bytes we're reading
# from the file?
self.__metadata['MDATA_KEY_MD5'] = mmp.file_md5(fpath,max_length=100)
def normalize_mutagen(path):
"""
Consumes a path and reads the metadata using mutagen. normalizes some of
the metadata that isn't read through the mutagen hash
"""
if not mmp.file_playable(path): raise BadSongFile(path)
try:
m = mutagen.File(path, easy=True)
except Exception:
raise BadSongFile(path)
if m is None: m = FakeMutagen(path)
try:
if mmp.extension(path) == 'wav':
m.set_length(mmp.read_wave_duration(path))
except Exception:
raise BadSongFile(path)
md = {}
for k, v in m.iteritems():
if type(v) is list:
if len(v) > 0: md[k] = v[0]
else: md[k] = v
# populate special metadata values
md['length'] = getattr(m.info, 'length', 0.0)
md['bitrate'] = getattr(m.info, 'bitrate', u'')
md['sample_rate'] = getattr(m.info, 'sample_rate', 0)
md['mime'] = m.mime[0] if len(m.mime) > 0 else u''
md['path'] = normpath(path)
# silence detect(set default cue in and out)
#try:
#command = ['silan', '-b', '-f', 'JSON', md['path']]
#proc = subprocess.Popen(command, stdout=subprocess.PIPE)
#out = proc.communicate()[0].strip('\r\n')
#info = json.loads(out)
#md['cuein'] = info['sound'][0][0]
#md['cueout'] = info['sound'][0][1]
#except Exception:
#self.logger.debug('silan is missing')
if 'title' not in md: md['title'] = u''
return md
def normalize_mutagen(path):
"""
Consumes a path and reads the metadata using mutagen. normalizes some of
the metadata that isn't read through the mutagen hash
"""
if not mmp.file_playable(path): raise BadSongFile(path)
try : m = mutagen.File(path, easy=True)
except Exception : raise BadSongFile(path)
if m is None: m = FakeMutagen(path)
try:
if mmp.extension(path) == 'wav':
m.set_length(mmp.read_wave_duration(path))
except Exception: raise BadSongFile(path)
md = {}
for k,v in m.iteritems():
if type(v) is list:
if len(v) > 0: md[k] = v[0]
else: md[k] = v
# populate special metadata values
md['length'] = getattr(m.info, 'length', 0.0)
md['bitrate'] = getattr(m.info, 'bitrate', u'')
md['sample_rate'] = getattr(m.info, 'sample_rate', 0)
md['mime'] = m.mime[0] if len(m.mime) > 0 else u''
md['path'] = normpath(path)
# silence detect(set default cue in and out)
#try:
#command = ['silan', '-b', '-f', 'JSON', md['path']]
#proc = subprocess.Popen(command, stdout=subprocess.PIPE)
#out = proc.communicate()[0].strip('\r\n')
#info = json.loads(out)
#md['cuein'] = info['sound'][0][0]
#md['cueout'] = info['sound'][0][1]
#except Exception:
#self.logger.debug('silan is missing')
if 'title' not in md: md['title'] = u''
return md
