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[Patch #654421 from Matthew Mueller] 

gzip shouldn't raise ValueError on corrupt files

  Currently the gzip module will raise a ValueError if the file was
  corrupt (bad crc or bad size).  I can't see how that applies to
  reading a corrupt file.  IOError seems better, and it's what code
  will likely be looking for.
This commit is contained in:
Andrew M. Kuchling 2003-02-05 21:35:07 +00:00
parent 570e35870a
commit 64edd6ac1d
1 changed files with 2 additions and 2 deletions
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Lib/gzip.py
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@ -305,9 +305,9 @@ class GzipFile:
crc32 = read32(self.fileobj) crc32 = read32(self.fileobj)
isize = U32(read32(self.fileobj)) # may exceed 2GB isize = U32(read32(self.fileobj)) # may exceed 2GB
if U32(crc32) != U32(self.crc): if U32(crc32) != U32(self.crc):
raise ValueError, "CRC check failed" raise IOError, "CRC check failed"
elif isize != LOWU32(self.size): elif isize != LOWU32(self.size):
raise ValueError, "Incorrect length of data produced" raise IOError, "Incorrect length of data produced"
def close(self): def close(self):
if self.mode == WRITE: if self.mode == WRITE: