[Patches] [ python-Patches-1709112 ] test_1686475 of test_os & pagefile.sys
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Mon Apr 30 07:16:27 CEST 2007
Patches item #1709112, was opened at 2007-04-28 08:35
Message generated for change (Comment added) made by loewis
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Category: Tests
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: A.B., Khalid (abkhd)
Assigned to: Nobody/Anonymous (nobody)
Summary: test_1686475 of test_os & pagefile.sys
Initial Comment:
test_1686475 of test_os appears to rely on the
existence of "pagefile.sys" on the C drive like so:
def test_1686475(self):
# Verify that an open file can be stat'ed
try:
os.stat(r"c:\pagefile.sys")
except WindowsError, e:
if e == 2: # file does not exist; cannot run test
return
self.fail("Could not stat pagefile.sys")
But since pagefile.sys may not be on every C
drive and since the exception object e is not a numeric then that test is probably going to fail if the pagefile.sys does not exist where it is expected.
In such a case Windows returns "[Error 5] Access is denied: 'c:\\pagefile.sys'". So we need to test if e.winerror == 5 to skip this and return without failing.
Patch "test_os.patch" is attached.
By the way, I see the same problem in the trunk, so maybe this need to be applied there as well.
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>Comment By: Martin v. Löwis (loewis)
Date: 2007-04-30 07:16
Message:
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Why should I not check for ERROR_SHARING_VIOLATION? The OP complains that
he sees an error "The process cannot access the file because it is being
used by another process" in 2.5.0, and can stat the file in 2.4. So it is
clearly ERROR_SHARING_VIOLATION that is being returned (also on the system
on which I developed the patch).
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Comment By: A.B., Khalid (abkhd)
Date: 2007-04-30 03:52
Message:
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Please see http://www.python.org/sf/1686475 for reference.
Martin,
I think you should be checking for ERROR_ACCESS_DENIED not
ERROR_SHARING_VIOLATION as you do in your patch to r54685 and r54686. The
attached posixmodule patch fixes this issue for me on MinGW. Can you try it
out?
File Added: test_1686475.patch
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