Defines some object to handle audio file metadata
"""
+import logging
import re
UUID_RE = r'^[a-f0-9]{8}-[a-f0-9]{4}-4[a-f0-9]{3}-[89aAbB][a-f0-9]{3}-[a-f0-9]{12}$'
class WrongUUID4(MetaException):
pass
+def mbidfilter(func):
+ def wrapper(*args, **kwargs):
+ cls = args[0]
+ if not cls.use_mbid:
+ kwargs.pop('mbid', None)
+ kwargs.pop('musicbrainz_artistid', None)
+ kwargs.pop('musicbrainz_albumartistid', None)
+ func(*args, **kwargs)
+ return wrapper
+
class Meta:
"""Generic Class for Meta object
Meta(name=<str>[, mbid=UUID4])
"""
+ use_mbid = True
def __init__(self, **kwargs):
self.__name = None #TODO: should be immutable
self.__mbid = None
self.__aliases = set()
+ self.log = logging.getLogger(__name__)
if 'name' not in kwargs or not kwargs.get('name'):
raise MetaException('Need a "name" argument')
else:
self.__name = kwargs.pop('name')
if 'mbid' in kwargs and kwargs.get('mbid'):
- is_uuid4(kwargs.get('mbid'))
+ try:
+ is_uuid4(kwargs.get('mbid'))
+ self.__mbid = kwargs.pop('mbid')
+ except WrongUUID4:
+ self.log.warning('Wrong mbid {}:{}'.format(self.__name,
+ kwargs.get('mbid')))
# mbid immutable as hash rests on
- self.__mbid = kwargs.pop('mbid')
self.__dict__.update(**kwargs)
def __repr__(self):
class Artist(Meta):
+ @mbidfilter
def __init__(self, name=None, mbid=None, **kwargs):
"""Artist object built from a mapping dict containing at least an
"artist" entry: