[New-bugs-announce] [issue13387] add exact_type argument to assertIsInstance
Florent Xicluna
report at bugs.python.org
Sat Nov 12 13:43:22 CET 2011
New submission from Florent Xicluna <florent.xicluna at gmail.com>:
Sometimes we want to check the exact type of an object.
The method assertIsInstance could be misleading in such case.
The current workaround is:
assertIs(type(obj), some_class)
However we can add an argument to the method to keep the benefit of having a nice failure message.
Examples:
assertIsInstance(stdobj, dict, exact_type=True)
assertIsInstance(myobj, dict, exact_type=MyDict)
----------
components: Tests
messages: 147480
nosy: flox, georg.brandl, michael.foord
priority: normal
severity: normal
status: open
title: add exact_type argument to assertIsInstance
type: feature request
versions: Python 3.3
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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13387>
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