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overrides: fix callback setter overrides

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Use weakref to avoid leaks, and remove refcount hack as the actual
issue has been fixed in pygobject
This commit is contained in:
Mathieu Duponchelle 2019-08-09 01:03:17 +02:00 committed by Mathieu Duponchelle
parent 42a27817bc
commit 34e0e3ce11
1 changed files with 4 additions and 10 deletions
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14
gi/overrides/Gst.py
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@ -27,6 +27,7 @@
import sys
import inspect
import itertools
import weakref
from ..overrides import override
from ..module import get_introspection_module
@ -153,7 +154,6 @@ class Pad(Gst.Pad):
return self._real_event_func(pad, event)
def _query_override(self, pad, parent, query):
query.mini_object.refcount -= 1
try:
res = self._real_query_func(pad, query)
except TypeError:
@ -162,25 +162,20 @@ class Pad(Gst.Pad):
except TypeError:
raise TypeError("Invalid query method %s, 2 or 3 arguments required"
% self._real_query_func)
query.mini_object.refcount += 1
return res
def set_chain_function(self, func):
self._real_chain_func = func
self.set_chain_function_full(self._chain_override, None)
self.set_chain_function_full(weakref.WeakMethod(self._chain_override), None)
def set_event_function(self, func):
self._real_event_func = func
self.set_event_function_full(self._event_override, None)
self.set_event_function_full(weakref.WeakMethod(func), None)
def set_query_function(self, func):
self._real_query_func = func
self.set_query_function_full(self._query_override, None)
def set_query_function_full(self, func, udata):
self._real_query_func = func
self._real_set_query_function_full(self._query_override, None)
self.set_query_function_full(weakref.WeakMethod(self._query_override), None)
def query_caps(self, filter=None):
return Gst.Pad.query_caps(self, filter)
@ -207,7 +202,6 @@ class Pad(Gst.Pad):
raise LinkError(ret)
return ret
Pad._real_set_query_function_full = Gst.Pad.set_query_function_full
Pad = override(Pad)
__all__.append('Pad')