New submission from Tom Lynn <[EMAIL PROTECTED]>:
urllib2.py:424 (Py 2.4) or urllib2.py:443 (Py 2.5) in build_opener()::
skip = []
for klass in default_classes:
for check in handlers:
if inspect.isclass(check):
if issubclass(check, klass):
skip.append(klass)
elif isinstance(check, klass):
skip.append(klass)
for klass in skip:
default_classes.remove(klass)
This can cause klass to be appended to skip multiple times,
which then causes an exception in the final line quoted above.
skip should be a set (and append changed to add), or "if klass
not in skip:" should be added before each "skip.append(klass)".
----------
components: Library (Lib)
messages: 65683
nosy: tlynn
severity: normal
status: open
title: urllib2 build_opener() fails if two handlers use the same default base
class
type: behavior
versions: Python 2.4, Python 2.5
__________________________________
Tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue2670>
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