Compress.copy() Returns a copy of the compression object. This can be used to efficiently compress a set of data that share

ZipInfo.compress_size Size of the compressed data.

zlib.compressobj(level=-1, method=DEFLATED, wbits=15, memLevel=8, strategy=Z_DEFAULT_STRATEGY[, zdict]) Returns a compression

ZipFile.testzip() Read all the files in the archive and check their CRC’s and file headers. Return the name of the first bad

eof True if the end-of-stream marker has been reached.

classmethod TarInfo.frombuf(buf, encoding, errors) Create and return a TarInfo object from string buffer buf

Decompress.copy() Returns a copy of the decompression object. This can be used to save the state of the decompressor midway

zlib.crc32(data[, value]) Computes a CRC (Cyclic Redundancy Check) checksum of data. The result is an unsigned 32-bit

lzma.is_check_supported(check) Returns true if the given integrity check is supported on this system.

TarInfo.linkname Name of the target file name, which is only present in TarInfo objects of type LNKTYPE