[Python-checkins] r61646 - python/trunk/Lib/gzip.py

[gregory.p.smith]

Author: gregory.p.smith
Date: Wed Mar 19 23:23:51 2008
New Revision: 61646

Modified:
   python/trunk/Lib/gzip.py
Log:
Improve the error message when the CRCs don't match.


Modified: python/trunk/Lib/gzip.py
==============================================================================
--- python/trunk/Lib/gzip.py	(original)
+++ python/trunk/Lib/gzip.py	Wed Mar 19 23:23:51 2008
@@ -316,7 +316,8 @@
         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"