def _loading_finished(self, callback, result=None, error=None):
if self.state != File.PENDING or self.tagger.stopping:
return
config = get_config()
if error is not None:
self.state = self.ERROR
self.error_append(str(error))
# If loading failed, force format guessing and try loading again
from picard.formats.util import guess_format
try:
alternative_file = guess_format(self.filename)
except (FileNotFoundError, OSError):
log.error("Guessing format of %s failed",
self.filename,
exc_info=True)
alternative_file = None
if alternative_file:
# Do not retry reloading exactly the same file format
if type(alternative_file) != type(self): # pylint: disable=unidiomatic-typecheck
log.debug('Loading %r failed, retrying as %r' %
(self, alternative_file))
self.remove()
alternative_file.load(callback)
return
else:
alternative_file.remove() # cleanup unused File object
from picard.formats import supported_extensions
file_name, file_extension = os.path.splitext(self.base_filename)
if file_extension not in supported_extensions():
log.error(
'Unsupported media file %r wrongly loaded. Removing ...',
self)
callback(self, remove_file=True)
return
else:
self.clear_errors()
self.state = self.NORMAL
postprocessors = []
if config.setting["guess_tracknumber_and_title"]:
postprocessors.append(self._guess_tracknumber_and_title)
self._copy_loaded_metadata(result, postprocessors)
# use cached fingerprint from file metadata
if not config.setting["ignore_existing_acoustid_fingerprints"]:
fingerprints = self.metadata.getall('acoustid_fingerprint')
if fingerprints:
self.set_acoustid_fingerprint(fingerprints[0])
run_file_post_load_processors(self)
self.update()
callback(self)
def test_guess_format(self):
temp_file = self.copy_of_original_testfile()
audio = guess_format(temp_file)
audio_original = picard.formats.open_(self.filename)
self.assertEqual(type(audio), type(audio_original))
def OggContainerFile(filename):
"""Generic Ogg file."""
options = [
OggFLACFile, OggOpusFile, OggSpeexFile, OggTheoraFile, OggVorbisFile
]
return guess_format(filename, options)
def OggVideoFile(filename):
"""Generic Ogg video file."""
options = [OggTheoraFile]
return guess_format(filename, options)
def OggAudioFile(filename):
"""Generic Ogg audio file."""
options = [OggFLACFile, OggOpusFile, OggSpeexFile, OggVorbisFile]
return guess_format(filename, options)
