def _format(self, filename=None, base=None, preadd=(), postadd=()):
filename, base = from_config('filename', 'base')
meta = NormMetaData(preadd)
meta.update(self.meta.flat())
meta.update(postadd)
filename = FileFormat(filename)
base = os.path.abspath(base)
return os.path.join(base, filename.evaluate(meta))
def _get_meta(self):
metacache = getattr(self, '_meta_cache', (False, False))
if metacache[0] is not getattr(self, 'filename', None) or metacache[1] \
is not getattr(self, 'tags', None):
self._meta_cache = (getattr(self, 'filename', None),
getattr(self, 'tags', None))
if getattr(self, 'tags', None) is None:
meta = NormMetaData()
else:
meta = NormMetaData.converted(self)
path = getattr(self, 'filename', None)
if isinstance(path, basestring):
(meta['dir'], meta['name']) = os.path.split(path)
meta['path'] = path
meta['basename'] = os.path.splitext(meta['name'])[0]
relpath = getattr(self, 'relpath', None)
if isinstance(relpath, basestring):
meta['relpath'] = relpath.decode(Config['fs_encoding'], Config['fs_encoding_err'] or 'replace')
reldir = getattr(self, 'reldir', None)
if isinstance(reldir, basestring):
meta['reldir'] = reldir.decode(Config['fs_encoding'], Config['fs_encoding_err'] or 'replace')
ext = getattr(self, 'ext', None)
if ext is not None:
meta['ext'] = ext
type_ = getattr(self, 'type_', None)
if type_ is not None:
meta['type'] = type_
self._meta = meta
return getattr(self,'_meta')
def add_replaygain(cls, files, metas=()):
env = {"replaygain": cls.replaygain, "files": tuple(files)}
if hasattr(cls, "replaygain_cmd") and (not metas or not hasattr(cls, "calc_replaygain")):
task = CLITask(*cls.replaygain_cmd.evaluate(env))
yield task
elif hasattr(cls, "calc_replaygain"):
task = CLITask(*cls.calc_replaygain_cmd.evaluate(env))
output = yield task
tracks, album = cls.calc_replaygain(output)
if metas:
for meta, track_gain in zip(metas, tracks):
meta.update(track_gain + album)
yield metas
else:
file_objs = [File(f) for f in files]
for file_obj, trackfile, trackgain in zip(file_objs, tracks):
meta = NormMetaData(trackgain + album)
meta.apply(file_obj)
f.save()
def _set_meta(self, value):
NormMetaData.converted(value).apply(self, True)