Lines Matching +full:zlib +full:- +full:level

2 :mod:`zlib` --- Compression compatible with :program:`gzip`
5 .. module:: zlib
6    :synopsis: Low-level interface to compression and decompression routines compatible with
11 allow compression and decompression, using the zlib library. The zlib library
12 has its own home page at http://www.zlib.net.   There are known
13 incompatibilities between the Python module and versions of the zlib library
17 zlib's functions have many options and often need to be used in a particular
19 consult the zlib manual at http://www.zlib.net/manual.html for authoritative
34    Computes an Adler-32 checksum of *data*.  (An Adler-32 checksum is almost as
53    The return value is in the range [-2**31, 2**31-1]
58    The return value is unsigned and in the range [0, 2**32-1]
62 .. function:: compress(string[, level])
65    *level* is an integer from ``0`` to ``9`` controlling the level of compression;
71 .. function:: compressobj([level[, method[, wbits[, memlevel[, strategy]]]]])
74    fit into memory at once.  *level* is an integer from
75    ``0`` to ``9`` or ``-1``, controlling
76    the level of compression; ``1`` is fastest and produces the least compression,
78    value is ``-1`` (Z_DEFAULT_COMPRESSION). Z_DEFAULT_COMPRESSION represents a default
79    compromise between speed and compression (currently equivalent to level 6).
89    * +9 to +15: The base-two logarithm of the window size, which
92      resulting output will include a zlib-specific header and trailer.
135    The return value is in the range [-2**31, 2**31-1]
140    The return value is unsigned and in the range [0, 2**32-1]
152    .. _decompress-wbits:
159    * +8 to +15: The base-two logarithm of the window size.  The input
160      must include a zlib header and trailer.
162    * 0: Automatically determine the window size from the zlib header.
163      Only supported since zlib 1.2.3.5.
174      the zlib or gzip format.
177    than the size originally used to compress the stream; using a too-small
179    is 15, which corresponds to the largest window size and requires a zlib
195    the same meaning as `described for decompress() <#decompress-wbits>`__.
241    followed by some non-empty string into a decompression object's
250    buffer.  This data has not yet been seen by the zlib machinery, so you must feed
263    If the optional parameter *max_length* is non-zero then the return value will be
294       Reading and writing :program:`gzip`\ -format files.
296    http://www.zlib.net
297       The zlib library home page.
299    http://www.zlib.net/manual.html
300       The zlib manual explains  the semantics and usage of the library's many