New submission from Jean-Paul Calderone <[EMAIL PROTECTED]>:
If a warning is emitted then a filter with the "always" rule is added
then the is emitted again, it will not be shown the second time:
[EMAIL PROTECTED]:~$ python
Python 2.5.2 (r252:60911, Jul 31 2008, 17:28:52)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import warnings
>>> def f():
... warnings.warn("foo")
...
>>> f()
/home/exarkun/.pythonstartup.py:2: UserWarning: foo
>>> warnings.simplefilter("always")
>>> f()
>>>
The "always" filter is documented as "always print matching warnings"
which is contrary to this behavior. Also, the string "always" strongly
implies that it will be shown the second time.
----------
messages: 75113
nosy: exarkun
severity: normal
status: open
title: warnings.simplefilter("always") does not make warnings always show up
versions: Python 2.4, Python 2.5, Python 2.6
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Python tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue4180>
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