[Python-Dev] [Python-checkins] bpo-34239: Convert test_bz2 to use tempfile (#8485)

[Tim Golden]

On 28/07/2018 23:54, Chris Jerdonek wrote:
> On Thu, Jul 26, 2018 at 2:05 PM, Tim Golden <webhook-mailer at python.org> wrote:
>> https://github.com/python/cpython/commit/6a62e1d365934de82ff7c634981b3fbf218b4d5f
>> commit: 6a62e1d365934de82ff7c634981b3fbf218b4d5f
>> branch: master
>> author: Tim Golden <mail at timgolden.me.uk>
>> committer: GitHub <noreply at github.com>
>> date: 2018-07-26T22:05:00+01:00
>> summary:
>>
>> bpo-34239: Convert test_bz2 to use tempfile (#8485)
>>
>> * bpo-34239: Convert test_bz2 to use tempfile
>>
>> test_bz2 currently uses the test.support.TESTFN functionality which creates a temporary file local to the test directory named around the pid.
>>
>> This can give rise to race conditions where tests are competing with each other to delete and recreate the file.
> 
> Per the other thread--
> https://mail.python.org/pipermail/python-dev/2018-July/154762.html
> this seems like a wrong statement of the problem as tests are properly
> cleaning up after themselves. The leading hypothesis is that unrelated
> Windows processes are delaying the deletion (e.g. virus scanners).

Thanks, Chris. I'm tracking the other thread and, if needs be, I'll 
revert this change in favour of whatever other approach is preferred


TJG