:mod:`uzlib` -- zlib decompression

.. module:: uzlib
   :synopsis: zlib decompression

|see_cpython_module| :mod:`cpython:zlib`.

This module allows to decompress binary data compressed with DEFLATE algorithm (commonly used in zlib library and gzip archiver). Compression is not yet implemented.

Functions

.. function:: decompress(data, wbits=0, bufsize=0)

   Return decompressed *data* as bytes. *wbits* is DEFLATE dictionary window
   size used during compression (8-15, the dictionary size is power of 2 of
   that value). Additionally, if value is positive, *data* is assumed to be
   zlib stream (with zlib header). Otherwise, if it's negative, it's assumed
   to be raw DEFLATE stream. *bufsize* parameter is for compatibility with
   CPython and is ignored.

Create a stream wrapper which allows transparent decompression of compressed data in another stream. This allows to process compressed streams with data larger than available heap size. In addition to values described in :func:`decompress`, wbits may take values 24..31 (16 + 8..15), meaning that input stream has gzip header.