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if our global callback does not have access to globals anymore, just return 0 gracefully

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holger krekel 2018-09-13 13:09:42 +02:00
parent a124a6dd86
commit fef5537aa8
1 changed files with 7 additions and 1 deletions
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8
python/src/deltachat/__init__.py
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@ -13,7 +13,13 @@ def py_dc_callback(ctx, evt, data1, data2):
CFFI only allows us to set one global event handler, so this one
looks up the correct event handler for the given context.
"""
callback = _DC_CALLBACK_MAP.get(ctx, lambda *a: 0)
try:
callback = _DC_CALLBACK_MAP.get(ctx, lambda *a: 0)
except AttributeError:
# we are in a deep in GC-free/interpreter shutdown land
# nothing much better to do here than:
return 0
# the following code relates to the deltachat/_build.py's helper
# function which provides us signature info of an event call
evt_name = get_dc_event_name(evt)