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List:       pykde
Subject:    [PyQt] Abort trap on QtCore.QMetaObject.connectSlotsByName(<widget>)
From:       Patrick Stinson <patrickkidd () gmail ! com>
Date:       2019-02-18 0:54:02
Message-ID: C523BEFE-9345-40E4-80AE-34AE46FA3DAB () gmail ! com
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I am seeing an abort trap on the QMetaObject.connectSlotsByName() call at the end of \
setupUi() as generated by pyuic5. I never use slots with the \
on_<objectName>_<slotName> convention. Is there a way to work around pyuic5 \
generating this call, or has anyone else sene the cause for this call to abort() in \
the CPython?

Here is a stack trace showing the call to abort coming from _Py_CheckRecursiveCall:


0   libsystem_kernel.dylib        	0x00007fff60efc23e __pthread_kill + 10
1   libsystem_pthread.dylib       	0x00007fff60fb2c1c pthread_kill + 285
2   libsystem_c.dylib             	0x00007fff60e651c9 abort + 127
3   python3.6                     	0x000000010f80f951 Py_FatalError + 449
4   python3.6                     	0x000000010f7da6d1 _Py_CheckRecursiveCall + 65 \
(ceval.c:690) 5   python3.6                     	0x000000010f6fa124 \
_PyObject_FastCallDict + 68 6   python3.6                     	0x000000010f6f4c21 \
PyObject_CallFunctionObjArgs + 737 (abstract.c:2827) 7   python3.6                    \
0x000000010f767f85 slot_tp_getattr_hook + 469 (typeobject.c:6230) 8   python3.6       \
0x000000010f752c99 PyObject_GetAttrString + 137 (object.c:891) 9   python3.6          \
0x000000010f8105b4 flush_std_files + 84 (pylifecycle.c:494) 10  python3.6             \
0x000000010f80f94c Py_FatalError + 444 (pylifecycle.c:1466) 11  python3.6             \
0x000000010f7da6d1 _Py_CheckRecursiveCall + 65 (ceval.c:690) 12  python3.6            \
0x000000010f6fa124 _PyObject_FastCallDict + 68 13  python3.6                     \
0x000000010f7e3892 call_function + 466 (ceval.c:4848) 14  python3.6                   \
0x000000010f7e07e8 _PyEval_EvalFrameDefault + 24616 (ceval.c:3323) 15  python3.6      \
0x000000010f7e4516 _PyEval_EvalCodeWithName + 2902 (ceval.c:753) 16  python3.6        \
0x000000010f7e509e _PyFunction_FastCallDict + 606 (ceval.c:5057) 17  python3.6        \
0x000000010f6fa1aa _PyObject_FastCallDict + 202 (abstract.c:2310) 18  python3.6       \
0x000000010f6fa35c _PyObject_Call_Prepend + 156 (abstract.c:2373) 19  python3.6       \
0x000000010f6f9fd5 PyObject_Call + 101 20  python3.6                     \
0x000000010f768bde slot_tp_init + 158 (typeobject.c:6407) 21  python3.6               \
0x000000010f764ba4 type_call + 308 (typeobject.c:916) 22  python3.6                   \
0x000000010f6fa27f _PyObject_FastCallDict + 415 (abstract.c:2331) 23  python3.6       \
0x000000010f7e3892 call_function + 466 (ceval.c:4848) 24  python3.6                   \
0x000000010f7e07e8 _PyEval_EvalFrameDefault + 24616 (ceval.c:3323) 25  python3.6      \
0x000000010f7e4d49 fast_function + 569 (ceval.c:753) 26  python3.6                    \
0x000000010f7e38e9 call_function + 553 (ceval.c:4845) 27  python3.6                   \
0x000000010f7e07e8 _PyEval_EvalFrameDefault + 24616 (ceval.c:3323) 28  python3.6      \
0x000000010f7e4516 _PyEval_EvalCodeWithName + 2902 (ceval.c:753) 29  python3.6        \
0x000000010f7e4cab fast_function + 411 (ceval.c:4972) 30  python3.6                   \
0x000000010f7e38e9 call_function + 553 (ceval.c:4845) 31  python3.6                   \
0x000000010f7e07e8 _PyEval_EvalFrameDefault + 24616 (ceval.c:3323) 32  python3.6      \
0x000000010f7e4516 _PyEval_EvalCodeWithName + 2902 (ceval.c:753) 33  python3.6        \
0x000000010f7e509e _PyFunction_FastCallDict + 606 (ceval.c:5057) 34  python3.6        \
0x000000010f6fa1aa _PyObject_FastCallDict + 202 (abstract.c:2310) 35  python3.6       \
0x000000010f6fa35c _PyObject_Call_Prepend + 156 (abstract.c:2373) 36  python3.6       \
0x000000010f6f9fd5 PyObject_Call + 101 37  python3.6                     \
0x000000010f768bde slot_tp_init + 158 (typeobject.c:6407) 38  python3.6               \
0x000000010f764ba4 type_call + 308 (typeobject.c:916) 39  python3.6                   \
0x000000010f6fa27f _PyObject_FastCallDict + 415 (abstract.c:2331) 40  python3.6       \
0x000000010f7e3892 call_function + 466 (ceval.c:4848) 41  python3.6                   \
0x000000010f7e07e8 _PyEval_EvalFrameDefault + 24616 (ceval.c:3323) 42  python3.6      \
0x000000010f7e4516 _PyEval_EvalCodeWithName + 2902 (ceval.c:753) 43  python3.6        \
0x000000010f7da777 PyEval_EvalCodeEx + 55 (ceval.c:4174) 44  python3.6                \
0x000000010f728755 function_call + 101 (funcobject.c:604) 45  python3.6               \
0x000000010f6f9fd5 PyObject_Call + 101 46  python3.6                     \
0x000000010f718b3d property_descr_get + 93 (descrobject.c:1384) 47  python3.6         \
0x000000010f75343b _PyObject_GenericGetAttrWithDict + 171 (object.c:1060) 48  \
python3.6                     	0x000000010f767ee4 slot_tp_getattr_hook + 308 \
(typeobject.c:6264) 49  QtCore.so                     	0x000000011179887e \
qpycore_qmetaobject_connectslotsbyname(QObject*, _object*) + 222 \
(qpycore_qmetaobject_helpers.cpp:59) 50  QtCore.so                     \
0x00000001116c96e5 meth_QMetaObject_connectSlotsByName(_object*, _object*) + 117 \
(qobjectdefs.sip:61) 51  python3.6                     	0x000000010f74fb66 \
_PyCFunction_FastCallDict + 166 (methodobject.c:234)

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