/usr/share/pyshared/scrapy/utils/gz.py is in python-scrapy 0.14.4-1.
This file is owned by root:root, with mode 0o644.
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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 | import struct
from cStringIO import StringIO
from gzip import GzipFile
def gunzip(data):
"""Gunzip the given data and return as much data as possible.
This is resilient to CRC checksum errors.
"""
f = GzipFile(fileobj=StringIO(data))
output = ''
chunk = '.'
while chunk:
try:
chunk = f.read(8196)
output += chunk
except (IOError, struct.error):
# complete only if there is some data, otherwise re-raise
# see issue 87 about catching struct.error
if output:
output += f.extrabuf
break
else:
raise
return output
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