Intermittent failures in test_logging

[skrah]

BPO	9310
Nosy	@vsajip, @skrah
Files	issue8201-release26-maint.patch

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/vsajip'
closed_at = <Date 2010-07-20.20:19:32.525>
created_at = <Date 2010-07-19.22:54:39.606>
labels = ['type-bug', 'tests']
title = 'Intermittent failures in test_logging'
updated_at = <Date 2010-07-20.20:19:32.524>
user = 'https://github.com/skrah'

bugs.python.org fields:

activity = <Date 2010-07-20.20:19:32.524>
actor = 'vinay.sajip'
assignee = 'vinay.sajip'
closed = True
closed_date = <Date 2010-07-20.20:19:32.525>
closer = 'vinay.sajip'
components = ['Tests']
creation = <Date 2010-07-19.22:54:39.606>
creator = 'skrah'
dependencies = []
files = ['18086']
hgrepos = []
issue_num = 9310
keywords = ['patch', 'buildbot']
message_count = 4.0
messages = ['110829', '110874', '110880', '110963']
nosy_count = 2.0
nosy_names = ['vinay.sajip', 'skrah']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue9310'
versions = ['Python 2.6']

[skrah]

Seemingly random failures in test_logging on 2.6/ubuntu-wide. See:

http://www.python.org/dev/buildbot/builders/AMD64 Ubuntu wide 2.6/builds/777 [fail]
http://www.python.org/dev/buildbot/builders/AMD64 Ubuntu wide 2.6/builds/778 [ok]

======================================================================
ERROR: test_config0_ok (test.test_logging.ConfigFileTest)
----------------------------------------------------------------------

Traceback (most recent call last):
  File "/home/buildbot/cpython-ucs4-nonascii-€/2.6.pitrou-ubuntu-wide/build/Lib/test/test_logging.py", line 646, in test_config0_ok
    self.apply_config(self.config0)
  File "/home/buildbot/cpython-ucs4-nonascii-€/2.6.pitrou-ubuntu-wide/build/Lib/test/test_logging.py", line 639, in apply_config
    logging.config.fileConfig(fn)
  File "/home/buildbot/cpython-ucs4-nonascii-€/2.6.pitrou-ubuntu-wide/build/Lib/logging/config.py", line 85, in fileConfig
    _install_loggers(cp, handlers, disable_existing_loggers)
  File "/home/buildbot/cpython-ucs4-nonascii-€/2.6.pitrou-ubuntu-wide/build/Lib/logging/config.py", line 217, in _install_loggers
    existing.sort()
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 37: ordinal not in range(128)

[vsajip]

I'm not convinced that this is an error in logging or test_logging. There are no special Unicode keys in the list being sorted AFAIK, and no reason why the sort() should fail. It's more likely to be some problem in the collation code relating to UCS-4 builds.

[skrah]

Actually it looks the same as bpo-8201. If test_lib2to3 is run before
test_logging, test_logging fails.

Perhaps backporting the patch will help.

[vsajip]

Whoops, sorry I missed this. Backport checked into release26-maint (r83000).