add workaround

diff --git a/lib/python/connections.cpp b/lib/python/connections.cpp
index 864e552..b54c07b 100644 (file)
--- a/lib/python/connections.cpp
+++ b/lib/python/connections.cpp
@@ -1,11 +1,14 @@
 #include <lib/python/connections.h>
 
 PSignal::PSignal()
+       :m_destroyed(0)
 {
 }
 
 PSignal::~PSignal()
 {
+       if (m_destroyed)
+               *m_destroyed = true;
        Py_XDECREF(m_list);
 }
 

diff --git a/lib/python/connections.h b/lib/python/connections.h
index 76859e7..ab12313 100644 (file)
--- a/lib/python/connections.h
+++ b/lib/python/connections.h
@@ -14,6 +14,7 @@ class PSignal
 {
 protected:
        ePyObject m_list;
+       bool *m_destroyed;
 public:
        PSignal();
        ~PSignal();
@@ -37,13 +38,18 @@ class PSignal0: public PSignal, public Signal0<R>
 public:
        R operator()()
        {
+               bool destroyed=false;
+               m_destroyed = &destroyed;
                if (m_list)
                {
                        PyObject *pArgs = PyTuple_New(0);
                        callPython(pArgs);
                        Org_Py_DECREF(pArgs);
                }
-               return Signal0<R>::operator()();
+               if (!destroyed) {
+                       m_destroyed = 0;
+                       return Signal0<R>::operator()();
+               }
        }
 };
 
@@ -53,6 +59,8 @@ class PSignal1: public PSignal, public Signal1<R,V0>
 public:
        R operator()(V0 a0)
        {
+               bool destroyed=false;
+               m_destroyed = &destroyed;
                if (m_list)
                {
                        PyObject *pArgs = PyTuple_New(1);
@@ -60,7 +68,10 @@ public:
                        callPython(pArgs);
                        Org_Py_DECREF(pArgs);
                }
-               return Signal1<R,V0>::operator()(a0);
+               if (!destroyed) {
+                       m_destroyed = 0;
+                       return Signal1<R,V0>::operator()(a0);
+               }
        }
 };
 
@@ -70,6 +81,8 @@ class PSignal2: public PSignal, public Signal2<R,V0,V1>
 public:
        R operator()(V0 a0, V1 a1)
        {
+               bool destroyed=false;
+               m_destroyed = &destroyed;
                if (m_list)
                {
                        PyObject *pArgs = PyTuple_New(2);
@@ -78,7 +91,10 @@ public:
                        callPython(pArgs);
                        Org_Py_DECREF(pArgs);
                }
-               return Signal2<R,V0,V1>::operator()(a0, a1);
+               if (!destroyed) {
+                       m_destroyed = 0;
+                       return Signal2<R,V0,V1>::operator()(a0, a1);
+               }
        }
 };