zlib_mixed.py

#1/usr/bin/env python

# this is from The Python
# Standard Library by example
# ISBN13: 9780321767349

import zlib

lorem = open('lorem.txt', 'rt').read()
compressed = zlib.compress(lorem)
combined = compressed + lorem

decompressor = zlib.decompressobj()
decompressed = decompressor.decompress(combined)

decompressed_matches = decompressed == lorem
print 'Decompressed matches lorem:', decompressed_matches

unused_matches = decompressor.unused_data == lorem
print 'Unused data matches lorem :', unused_matches