Package: python-dogtail
Version: 0.6.1-3
Severity: important
When some applications are present (eg. iceweasel or gnome-help), one can
see the following behaviour, which seems to show a problem in the way
findChildren() walks down the Node tree:
>>> from dogtail.tree import root, predicate
Creating logfile at /tmp/dogtail/logs/log_20080611-103008_debug ...
Detecting distribution: Debian (or derived distribution)
>>> root.findChildren(predicate.GenericPredicate(roleName='application'))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 892, in
findChildren
childList = child.findChildren(pred, recursive)
File "/var/lib/python-support/python2.5/dogtail/tree.py", line 889, in
findChildren
for child in children:
TypeError: 'NoneType' object is not iterable
OTOH, in this very case there is a workaround, and dogtail should be able
to work with those apps that don'k break its expectations:
>>> root.findChildren(predicate.GenericPredicate(roleName='application'),recursive=False)
[<dogtail.tree.Node instance at 0x854c78c>, <dogtail.tree.Node instance at
0x854c7ec>]
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