/usr/lib/python2.7/dist-packages/kaa/metadata/image/gif.py is in python-kaa-metadata 0.7.7+svn4596-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# -----------------------------------------------------------------------------
# gif.py - gif file parsing
# -----------------------------------------------------------------------------
# $Id: gif.py 3982 2009-05-14 18:51:38Z tack $
#
# -----------------------------------------------------------------------------
# kaa-Metadata - Media Metadata for Python
# Copyright (C) 2003-2006 Thomas Schueppel, Dirk Meyer
#
# First Edition: Dirk Meyer <dischi@freevo.org>
# Maintainer: Dirk Meyer <dischi@freevo.org>
#
# Please see the file AUTHORS for a complete list of authors.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
# CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# -----------------------------------------------------------------------------
__all__ = ['Parser']
# python imports
import struct
import logging
# import kaa.metadata.image core
import core
# get logging object
log = logging.getLogger('metadata')
# interesting file format info:
# http://www.danbbs.dk/~dino/whirlgif/gif87.html
class GIF(core.Image):
def __init__(self,file):
core.Image.__init__(self)
self.mime = 'image/gif'
try:
header = struct.unpack('<6sHH', file.read(10))
except struct.error:
# EOF.
raise core.ParseError()
gifType, self.width, self.height = header
if not gifType.startswith('GIF'):
raise core.ParseError()
self.type = gifType.lower()
Parser = GIF
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