# test corrupted GZIP data
import gzip
import StringIO

uncompressed = "This is a test"
fileobj = StringIO.StringIO()
gzipobj = gzip.GzipFile("test.gz", 'wb', 9, fileobj)
gzipobj.write(uncompressed)
gzipobj.close()
# corrupt the .gz data: remove the last 2 bytes
compressed = fileobj.getvalue()[:-2]
# now uncompress again
fileobj = StringIO.StringIO(compressed)
print gzip.GzipFile('', 'rb', 9, fileobj).read()