def load(self, filename):
self.filename = filename
fileobj = xbmcvfs.File(filename)
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
try:
self.info = MP4Info(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4StreamInfoError, err, sys.exc_info()[2])
if not MP4Tags._can_load(atoms):
self.tags = None
self._padding = 0
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
else:
self._padding = self.tags._padding
def load(self, filename):
self.filename = filename
fileobj = xbmcvfs.File(filename)
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
try:
self.info = MP4Info(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4StreamInfoError, err, sys.exc_info()[2])
if not MP4Tags._can_load(atoms):
self.tags = None
self._padding = 0
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
else:
self._padding = self.tags._padding
def save(self, filename, padding=None):
"""Save the metadata to the given filename."""
values = []
items = sorted(self.items(), key=self._key_sort)
for key, value in items:
atom_name = _key2name(key)[:4]
if atom_name in self.__atoms:
render_func = self.__atoms[atom_name][1]
else:
render_func = type(self).__render_text
try:
values.append(render_func(self, key, value))
except (TypeError, ValueError) as s:
reraise(MP4MetadataValueError, s, sys.exc_info()[2])
for key, failed in iteritems(self._failed_atoms):
# don't write atoms back if we have added a new one with
# the same name, this excludes freeform which can have
# multiple atoms with the same key (most parsers seem to be able
# to handle that)
if key in self:
assert _key2name(key) != b"----"
continue
for data in failed:
values.append(Atom.render(_key2name(key), data))
data = Atom.render(b"ilst", b"".join(values))
# Find the old atoms.
fileobj = xbmcvfs.File(filename)
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
self.__save(fileobj, atoms, data, padding)
def save(self, filename, padding=None):
"""Save the metadata to the given filename."""
values = []
items = sorted(self.items(), key=self._key_sort)
for key, value in items:
atom_name = _key2name(key)[:4]
if atom_name in self.__atoms:
render_func = self.__atoms[atom_name][1]
else:
render_func = type(self).__render_text
try:
values.append(render_func(self, key, value))
except (TypeError, ValueError) as s:
reraise(MP4MetadataValueError, s, sys.exc_info()[2])
for key, failed in iteritems(self._failed_atoms):
# don't write atoms back if we have added a new one with
# the same name, this excludes freeform which can have
# multiple atoms with the same key (most parsers seem to be able
# to handle that)
if key in self:
assert _key2name(key) != b"----"
continue
for data in failed:
values.append(Atom.render(_key2name(key), data))
data = Atom.render(b"ilst", b"".join(values))
# Find the old atoms.
fileobj = xbmcvfs.File(filename)
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
self.__save(fileobj, atoms, data, padding)
def parse(self, data):
try:
return data.decode("utf-16-le").strip("\x00")
except UnicodeDecodeError as e:
reraise(ASFError, e, sys.exc_info()[2])