/usr/share/pyshared/kombu/compression.py is in python-kombu 1.4.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | """
kombu.compression
=================
Compression utilities.
:copyright: (c) 2009 - 2011 by Ask Solem.
:license: BSD, see LICENSE for more details.
"""
import zlib
_aliases = {}
_encoders = {}
_decoders = {}
def register(encoder, decoder, content_type, aliases=[]):
"""Register new compression method.
:param encoder: Function used to compress text.
:param decoder: Function used to decompress previously compressed text.
:param content_type: The mime type this compression method identifies as.
:param aliases: A list of names to associate with this compression method.
"""
_encoders[content_type] = encoder
_decoders[content_type] = decoder
_aliases.update((alias, content_type) for alias in aliases)
def encoders():
"""Returns a list of available compression methods."""
return _encoders.keys()
def get_encoder(t):
"""Get encoder by alias name."""
t = _aliases.get(t, t)
return _encoders[t], t
def get_decoder(t):
"""Get decoder by alias name."""
return _decoders[_aliases.get(t, t)]
def compress(body, content_type):
"""Compress text.
:param body: The text to compress.
:param content_type: mime-type of compression method to use.
"""
encoder, content_type = get_encoder(content_type)
return encoder(body.encode("utf-8")), content_type
def decompress(body, content_type):
"""Decompress compressed text.
:param body: Previously compressed text to uncompress.
:param content_type: mime-type of compression method used.
"""
return get_decoder(content_type)(body).decode("utf-8")
register(zlib.compress,
zlib.decompress,
"application/x-gzip", aliases=["gzip", "zlib"])
try:
import bz2
except ImportError:
pass # Jython?
else:
register(bz2.compress,
bz2.decompress,
"application/x-bz2", aliases=["bzip2", "bzip"])
|