def save(self, filename, padding=None):
"""Save the metadata to the given filename."""
values = []
items = sorted(self.items(), key=lambda kv: _item_sort_key(*kv))
for key, value in items:
try:
values.append(self._render(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.
with open(filename, "rb+") as fileobj:
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
self.__save(fileobj, atoms, data, padding)
def load(self, filename):
self.filename = filename
fileobj = open(filename, "rb")
try:
atoms = Atoms(fileobj)
# ftyp is always the first atom in a valid MP4 file
if not atoms.atoms or atoms.atoms[0].name != b"ftyp":
raise error("Not a MP4 file")
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
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
finally:
fileobj.close()
def save(self, filething, padding=None):
values = []
items = sorted(self.items(), key=lambda kv: _item_sort_key(*kv))
for key, value in items:
try:
values.append(self._render(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.
try:
atoms = Atoms(filething.fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
self.__save(filething.fileobj, atoms, data, padding)
def load(self, filename):
self.filename = filename
fileobj = open(filename, "rb")
try:
atoms = Atoms(fileobj)
# ftyp is always the first atom in a valid MP4 file
if not atoms.atoms or atoms.atoms[0].name != b"ftyp":
raise error("Not a MP4 file")
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
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
finally:
fileobj.close()
def save(self, filename):
"""Save the metadata to the given filename."""
values = []
items = self.items()
items.sort(key=self.__key_sort)
for key, value in items:
if not PY2 and not isinstance(key, bytes):
raise MP4MetadataValueError("keys have to be bytes")
info = self.__atoms.get(key[:4], (None, type(self).__render_text))
try:
values.append(info[1](self, key, value, *info[2:]))
except (TypeError, ValueError) as s:
reraise(MP4MetadataValueError, s, sys.exc_info()[2])
data = Atom.render(b"ilst", b"".join(values))
# Find the old atoms.
fileobj = open(filename, "rb+")
try:
atoms = Atoms(fileobj)
try:
path = atoms.path(b"moov", b"udta", b"meta", b"ilst")
except KeyError:
self.__save_new(fileobj, atoms, data)
else:
self.__save_existing(fileobj, atoms, path, data)
finally:
fileobj.close()
def save(self, filename):
"""Save the metadata to the given filename."""
values = []
items = sorted(self.items(), key=MP4Tags.__get_sort_stats)
for key, value in items:
info = self.__atoms.get(key[:4], (None, type(self).__render_text))
try:
values.append(info[1](self, key, value, *info[2:]))
except (TypeError, ValueError) as s:
reraise(MP4MetadataValueError, s, sys.exc_info()[2])
data = Atom.render(b"ilst", b"".join(values))
# Find the old atoms.
fileobj = open(filename, "rb+")
try:
atoms = Atoms(fileobj)
try:
path = atoms.path(b"moov", b"udta", b"meta", b"ilst")
except KeyError:
self.__save_new(fileobj, atoms, data)
else:
self.__save_existing(fileobj, atoms, path, data)
finally:
fileobj.close()
def save(self, filename):
"""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:
if value:
values.append(render_func(self, key, value))
except (TypeError, ValueError) as s:
reraise(MKVMetadataValueError, 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.
with open(filename, "rb+") as fileobj:
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
try:
# path = atoms.path(b"moov", b"udta", b"meta", b"ilst")
path = atoms.path(b"udta", b"meta", b"ilst")
except KeyError:
self.__save_new(fileobj, atoms, data)
else:
self.__save_existing(fileobj, atoms, path, data)
def save(self, filename):
"""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:
if value:
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.
with open(filename, "rb+") as fileobj:
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
try:
path = atoms.path(b"moov", b"udta", b"meta", b"ilst")
except KeyError:
self.__save_new(fileobj, atoms, data)
else:
self.__save_existing(fileobj, atoms, path, data)
def load(self, filething):
self.filename = filething.filename
fileobj = filething.fileobj
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, filething):
fileobj = filething.fileobj
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, filething):
fileobj = filething.fileobj
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
self.info = MP4Info()
try:
self.info.load(atoms, fileobj)
except MP4NoTrackError:
pass
except error:
raise
except Exception as err:
reraise(MP4StreamInfoError, err, sys.exc_info()[2])
if not MP4Tags._can_load(atoms):
self.tags = None
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
def load(self, filething):
fileobj = filething.fileobj
try:
atoms = Atoms(fileobj)
except AtomError as err:
reraise(error, err, sys.exc_info()[2])
self.info = MP4Info()
try:
self.info.load(atoms, fileobj)
except MP4NoTrackError:
pass
except error:
raise
except Exception as err:
reraise(MP4StreamInfoError, err, sys.exc_info()[2])
if not MP4Tags._can_load(atoms):
self.tags = None
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
if not MP4Chapters._can_load(atoms):
self.chapters = None
else:
try:
self.chapters = self.MP4Chapters(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
def load(self, filename):
self.filename = filename
with open(filename, "rb") as fileobj:
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
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
def load(self, filename):
self.filename = filename
with open(filename, "rb") as fileobj:
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
else:
try:
self.tags = self.MP4Tags(atoms, fileobj)
except error:
raise
except Exception as err:
reraise(MP4MetadataError, err, sys.exc_info()[2])
def parse(self, data):
try:
return data.decode("utf-16-le").strip("\x00")
except UnicodeDecodeError as e:
reraise(ASFError, e, sys.exc_info()[2])
