gzip.open(filename, mode='rb', compresslevel=9, encoding=None, errors=None, newline=None) Open a gzip-compressed file in binary

TarFile.close() Close the TarFile. In write mode, two finishing zero blocks are appended to the archive.

peek(size=-1) Return buffered data without advancing the file position. At least one byte of data will be returned, unless EOF

TarFile.addfile(tarinfo, fileobj=None) Add the TarInfo object tarinfo to the archive. If fileobj

ZipFile.namelist() Return a list of archive members by name.

TarInfo.ischr() Return

ZipInfo.extract_version PKZIP version needed to extract archive.

ZipInfo.extra Expansion field data. The

gzip.compress(data, compresslevel=9) Compress the data, returning a

compress(data) Provide data to the compressor object. Returns a chunk of compressed data if possible, or an empty byte string