/usr/lib/python2.7/dist-packages/kombu/compression.py is in python-kombu 3.0.21-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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kombu.compression
=================
Compression utilities.
"""
from __future__ import absolute_import
from kombu.utils.encoding import ensure_bytes
import zlib
_aliases = {}
_encoders = {}
_decoders = {}
__all__ = ['register', 'encoders', 'get_encoder',
'get_decoder', 'compress', 'decompress']
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():
"""Return a list of available compression methods."""
return list(_encoders)
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(ensure_bytes(body)), 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)
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'])
|