/usr/share/pyshared/Photon/GIF.py is in photon 0.4.6-3.1.
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 | #
# This plugin identify a GIF file and returns the size
#
def read_headers(filename):
h = None
f = open(filename,'rb')
if f:
h = f.read(16)
f.close()
return h
def identify(filename):
h = read_headers(filename)
if h == None:
return None
# This is the GIF header
if h[:6] in ('GIF87a', 'GIF89a'):
return ((ord(h[7])<<8 | ord(h[6])),(ord(h[9])<<8 | ord(h[8])))
return None
if __name__ == "__main__":
import sys
import GIF
if len(sys.argv) < 2:
print 'Usage: %s files...\n' % sys.argv[0]
sys.exit(0)
for filename in sys.argv[1:]:
info=GIF.identify(filename)
if info != None:
print "%s (size = %d,%d)" % (filename,info[0],info[1])
else:
print "%s is not a GIF file" % filename
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