def gzip_file(self):
'Return the uncompressed raw CPIO data of the RPM archive'
if self._gzip_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
if self.headers['archive_compression'] == 'xz':
self._gzip_file = lzma.LZMAFile(fileobj)
else:
self._gzip_file = gzip.GzipFile(fileobj=fileobj)
return self._gzip_file
def gzip_file(self):
'Return the uncompressed raw CPIO data of the RPM archive'
if self._gzip_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
if self.headers['archive_compression'] in ['xz', 'lzma']:
self._gzip_file = lzma.LZMAFile(fileobj)
else:
self._gzip_file = gzip.GzipFile(fileobj=fileobj)
return self._gzip_file
def extractfile(self, member):
"""Extract a member from the archive as a file object. `member' may be
a filename or an RPMInfo object.
The file-like object is read-only and provides the following
methods: read(), readline(), readlines(), seek() and tell()
"""
if not isinstance(member, RPMInfo):
member = self.getmember(member)
return _SubFile(self.data_file, member.file_start, member.size)
def extractfile(self, member):
'''
Extract a member from the archive as a file object. `member' may be
a filename or an RPMInfo object.
The file-like object is read-only and provides the following
methods: read(), readline(), readlines(), seek() and tell()
'''
if not isinstance(member, RPMInfo):
member = self.getmember(member)
return _SubFile(self.gzip_file, member.file_start, member.size)
def data_file(self):
"""Return the uncompressed raw CPIO data of the RPM archive."""
if self._data_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
if self.headers["archive_compression"] == b"xz":
self._data_file = lzma.LZMAFile(fileobj)
else:
self._data_file = gzip.GzipFile(fileobj=fileobj)
return self._data_file
def data_file(self):
"""Return the uncompressed raw CPIO data of the RPM archive."""
if self._data_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
if self.headers["archive_compression"] == b"xz":
if not getattr(sys.modules[__name__], 'lzma', False):
raise NoLZMAModuleError('lzma module not present')
self._data_file = lzma.LZMAFile(fileobj)
else:
self._data_file = gzip.GzipFile(fileobj=fileobj)
return self._data_file
def data_file(self):
"""Return the uncompressed raw CPIO data of the RPM archive."""
if self._data_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
if self.headers["archive_compression"] == b"xz":
if not getattr(sys.modules[__name__], 'lzma', False):
raise NoLZMAModuleError('lzma module not present')
self._data_file = lzma.LZMAFile(fileobj)
else:
self._data_file = gzip.GzipFile(fileobj=fileobj)
return self._data_file
def data_file(self):
"""Return the uncompressed raw CPIO data of the RPM archive."""
if self._data_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
if self.headers["archive_compression"] == b"xz":
if not getattr(sys.modules[__name__], "lzma", False):
raise NoLZMAModuleError("lzma module not present")
self._data_file = lzma.LZMAFile(fileobj)
elif self.headers["archive_compression"] == b"zstd":
if not getattr(sys.modules[__name__], "zstandard", False):
raise NoZSTANDARDModuleError(
"zstandard module not present")
if not (sys.version_info.major >= 3
and sys.version_info.minor >= 5):
raise NoBytesIOError("Need io.BytesIO (Python >= 3.5)")
with zstandard.ZstdDecompressor().stream_reader(
fileobj) as zstd_data:
self._data_file = io.BytesIO(zstd_data.read())
else:
self._data_file = gzip.GzipFile(fileobj=fileobj)
return self._data_file
def gzip_file(self):
'Return the uncompressed raw CPIO data of the RPM archive'
if self._gzip_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
self._gzip_file = gzip.GzipFile(fileobj=fileobj)
return self._gzip_file
def gzip_file(self):
'Return the uncompressed raw CPIO data of the RPM archive'
if self._gzip_file is None:
fileobj = _SubFile(self._fileobj, self.data_offset)
self._gzip_file = gzip.GzipFile(fileobj=fileobj)
return self._gzip_file
