** Changed in: pygobject
Status: Unknown => Fix Released
** Changed in: pygobject
Importance: Unknown => Medium
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https://bugs.launchpad.net/bugs/1728461
Title:
Python GC destroys PyGObject with external references
Status in pygobject:
Fix Released
Status in pygobject package in Ubuntu:
New
Bug description:
PyGObject traverses its closures in tp_traverse, but the lifetime of the
closures
is tied to the lifetime of the GObject and not the wrapper. This confuses
the Python GC when it sees a ref cycle and tries to break it up with tp_clear.
Since tp_clear will not invalidate the closure and only invalidate the Python
wrapper the closure callback gets called with the now cleared/invalid object.
This bug make python gtk programs to segfault randomly.
Patch available here:
https://bugzilla.gnome.org/show_bug.cgi?id=731501
Should apply to 3.24 or be easily backported: one line patch adding a
if statement.
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