diff options
Diffstat (limited to 'sources/pyside2/libpyside')
-rw-r--r-- | sources/pyside2/libpyside/pysidesignal.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sources/pyside2/libpyside/pysidesignal.cpp b/sources/pyside2/libpyside/pysidesignal.cpp index 9f60d2a41..04b1cf1f4 100644 --- a/sources/pyside2/libpyside/pysidesignal.cpp +++ b/sources/pyside2/libpyside/pysidesignal.cpp @@ -564,17 +564,26 @@ PyObject* signalCall(PyObject* self, PyObject* args, PyObject* kw) { PySideSignal* signal = reinterpret_cast<PySideSignal*>(self); + // Native C++ signals can't be called like functions, thus we throw an exception. + // The only way calling a signal can succeed (the Python equivalent of C++'s operator() ) + // is when a method with the same name as the signal is attached to an object. + // An example is QProcess::error() (don't check the docs, but the source code of qprocess.h). if (!signal->homonymousMethod) { PyErr_SetString(PyExc_TypeError, "native Qt signal is not callable"); return 0; } descrgetfunc getDescriptor = signal->homonymousMethod->ob_type->tp_descr_get; - Shiboken::AutoDecRef homonymousMethod(getDescriptor(signal->homonymousMethod, 0, 0)); - if (PyCFunction_GET_FLAGS(homonymousMethod.object()) & METH_STATIC) + // Check if there exists a method with the same name as the signal, which is also a static + // method in C++ land. + Shiboken::AutoDecRef homonymousMethod(getDescriptor(signal->homonymousMethod, 0, 0)); + if (PyCFunction_Check(homonymousMethod) + && (PyCFunction_GET_FLAGS(homonymousMethod.object()) & METH_STATIC)) { return PyCFunction_Call(homonymousMethod, args, kw); + } + // Assumes homonymousMethod is not a static method. ternaryfunc callFunc = signal->homonymousMethod->ob_type->tp_call; return callFunc(homonymousMethod, args, kw); } |