Add support for OCCT 7.8.0 (#11909)

src/Mod/Part/App/ImportStep.cpp

@@ -137,7 +137,12 @@ int Part::ImportStepParts(App::Document *pcDoc, const char* Name)
                 // This is a trick to access the GUI via Python and set the color property
                 // of the associated view provider. If no GUI is up an exception is thrown
                 // and cleared immediately
+#if OCC_VERSION_HEX >= 0x070800
+                std::hash<TopoDS_Solid> hasher;
+                std::map<int, Quantity_Color>::iterator it = hash_col.find(hasher(aSolid));
+#else
                 std::map<int, Quantity_Color>::iterator it = hash_col.find(aSolid.HashCode(INT_MAX));
+#endif
                 if (it != hash_col.end()) {
                     try {
                         Py::Object obj(pcFeature->getPyObject(), true);

src/Mod/Part/App/TopoShapePyImp.cpp

@@ -1306,7 +1306,11 @@ PyObject*  TopoShapePy::ancestorsOfType(PyObject *args)
         TopTools_ListIteratorOfListOfShape it(ancestors);
         for (; it.More(); it.Next()) {
             // make sure to avoid duplicates
+#if OCC_VERSION_HEX >= 0x070800
+            const size_t code = std::hash<TopoDS_Shape>{}(static_cast<TopoDS_Shape>(it.Value()));
+#else
             Standard_Integer code = it.Value().HashCode(INT_MAX);
+#endif
             if (hashes.find(code) == hashes.end()) {
                 list.append(shape2pyshape(it.Value()));
                 hashes.insert(code);
@@ -1928,7 +1932,11 @@ PyObject* TopoShapePy::hashCode(PyObject *args)
     if (!PyArg_ParseTuple(args, "|i",&upper))
         return nullptr;
 
+#if OCC_VERSION_HEX >= 0x070800
+    int hc = std::hash<TopoDS_Shape>{}(getTopoShapePtr()->getShape());
+#else
     int hc = getTopoShapePtr()->getShape().HashCode(upper);
+#endif
     return Py_BuildValue("i", hc);
 }