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authorAmaury Forgeot d'Arc <amauryfa@gmail.com>2009-07-28 22:15:30 (GMT)
committerAmaury Forgeot d'Arc <amauryfa@gmail.com>2009-07-28 22:15:30 (GMT)
commit3e5b027a64e9eccc8d2100e717c19f61d3a51d62 (patch)
tree22a56ccd993c67db9c46628be73fa8854bab0442 /Lib/zipfile.py
parente55df1fa2a9be432c5c22d7eec8b395227fa4405 (diff)
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#6511: ZipFile will now raise BadZipfile when opening an empty or tiny file,
like it does for larger invalid files.
Diffstat (limited to 'Lib/zipfile.py')
-rw-r--r--Lib/zipfile.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/zipfile.py b/Lib/zipfile.py
index 6ee9923..2aa4bff 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -198,7 +198,10 @@ def _EndRecData(fpin):
# Check to see if this is ZIP file with no archive comment (the
# "end of central directory" structure should be the last item in the
# file if this is the case).
- fpin.seek(-sizeEndCentDir, 2)
+ try:
+ fpin.seek(-sizeEndCentDir, 2)
+ except IOError:
+ return None
data = fpin.read()
if data[0:4] == stringEndArchive and data[-2:] == "\000\000":
# the signature is correct and there's no comment, unpack structure