[New-bugs-announce] [issue7443] test.support.unlink issue on Windows platform

[Andrew Svetlov]

New submission from Andrew Svetlov <andrew.svetlov at gmail.com>:

On Windows there are tiny delay between call to os.unlink and real file 
removing. Periodically it leads to unittest crashes in cases like this:

test.support.unlink(filename)
f = open(filename, 'wb')

Proposed solution: wait in support.unlink for end of deletion asking 
os.stat for removed file (only if os.name == 'nt', of course).

Also test.test_linecache:LineCacheTests.test_checkcache should be fixed 
- this one miss to close last opened file and Windows cannot remove it.

Both patches for trunk and py3k is attached.

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components: Tests, Windows
files: python3.patch
keywords: patch
messages: 95991
nosy: asvetlov
severity: normal
status: open
title: test.support.unlink issue on Windows platform
type: behavior
versions: Python 2.7, Python 3.2
Added file: http://bugs.python.org/file15454/python3.patch

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