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Improve the error message when the CRCs don't match.

This commit is contained in:
Gregory P. Smith 2008-03-19 22:23:51 +00:00
parent e7abf20ce7
commit f15cde3732
1 changed files with 2 additions and 1 deletions
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3
Lib/gzip.py
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@ -316,7 +316,8 @@ class GzipFile:
crc32 = read32(self.fileobj)
isize = U32(read32(self.fileobj)) # may exceed 2GB
if U32(crc32) != U32(self.crc):
raise IOError, "CRC check failed"
raise IOError("CRC check failed %s != %s" % (hex(U32(crc32)),
hex(U32(self.crc))))
elif isize != LOWU32(self.size):
raise IOError, "Incorrect length of data produced"