From: Gregory P. Smith <greg@mad-scientist.com>
Date: Wed, 19 Mar 2008 22:23:51 +0000 (+0000)
Subject: Improve the error message when the CRCs don't match.
X-Git-Tag: v2.6a2~216
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f15cde3732c64c2fa246cae2fd6a3a4589e0d987;p=thirdparty%2FPython%2Fcpython.git

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

diff --git a/Lib/gzip.py b/Lib/gzip.py
index d85ba2b49f7e..5d8761ebf379 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -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"