Part: Geometry - methods to remove extensions by name and type

src/Mod/Part/App/Geometry.cpp

@@ -301,6 +301,28 @@ void Geometry::setExtension(std::unique_ptr<GeometryExtension> && geo)
         extensions.push_back(std::move(geo));
 }
 
+void Geometry::deleteExtension(Base::Type type)
+{
+    extensions.erase(
+        std::remove_if( extensions.begin(),
+                        extensions.end(),
+                        [&type](const std::shared_ptr<GeometryExtension>& ext){
+                            return ext->getTypeId() == type;
+                        }),
+        extensions.end());
+}
+
+void Geometry::deleteExtension(std::string name)
+{
+    extensions.erase(
+        std::remove_if( extensions.begin(),
+                        extensions.end(),
+                        [&name](const std::shared_ptr<GeometryExtension>& ext){
+                            return ext->getName() == name;
+                        }),
+        extensions.end());
+}
+
 
 void Geometry::createNewTag()
 {

src/Mod/Part/App/Geometry.h

@@ -102,6 +102,8 @@ public:
     bool hasExtension(Base::Type type) const;
     const std::weak_ptr<GeometryExtension> getExtension(Base::Type type) const;
     void setExtension(std::unique_ptr<GeometryExtension> &&geo);
+    void deleteExtension(Base::Type type);
+    void deleteExtension(std::string name);
 
 protected:
     /// create a new tag for the geometry object

src/Mod/Part/App/GeometryPy.xml

@@ -63,6 +63,16 @@ It describes the common behavior of these objects when:
             <UserDocu>Sets a geometry extension of the indicated type.</UserDocu>
         </Documentation>
     </Methode>
+    <Methode Name="deleteExtensionType" Const="false">
+        <Documentation>
+            <UserDocu>Deletes all extensions of the indicated type.</UserDocu>
+        </Documentation>
+    </Methode>
+    <Methode Name="deleteExtensionName" Const="false">
+        <Documentation>
+            <UserDocu>Deletes all extensions of the indicated name.</UserDocu>
+        </Documentation>
+    </Methode>
     <Methode Name="showExtensions" Const="true">
         <Documentation>
             <UserDocu>Returns a list with information about the geometry extensions.</UserDocu>

src/Mod/Part/App/GeometryPyImp.cpp

@@ -291,6 +291,54 @@ PyObject* GeometryPy::getExtension(PyObject *args)
     return 0;
 }
 
+PyObject* GeometryPy::deleteExtensionType(PyObject *args)
+{
+    char* o;
+    if (PyArg_ParseTuple(args, "s", &o)) {
+
+        Base::Type type = Base::Type::fromName(o);
+
+        if(type != Base::Type::badType()) {
+            try {
+                this->getGeometryPtr()->deleteExtension(type);
+                Py_Return;
+            }
+            catch(Base::ValueError e) {
+                PyErr_SetString(PartExceptionOCCError, e.what());
+                return 0;
+            }
+        }
+        else
+        {
+            PyErr_SetString(PartExceptionOCCError, "Type does not exist");
+            return 0;
+        }
+
+    }
+
+    PyErr_SetString(PartExceptionOCCError, "A string with a type object was expected");
+    return 0;
+}
+
+PyObject* GeometryPy::deleteExtensionName(PyObject *args)
+{
+    char* o;
+    if (PyArg_ParseTuple(args, "s", &o)) {
+
+        try {
+            this->getGeometryPtr()->deleteExtension(std::string(o));
+            Py_Return;
+        }
+        catch(Base::ValueError e) {
+            PyErr_SetString(PartExceptionOCCError, e.what());
+            return 0;
+        }
+    }
+
+    PyErr_SetString(PartExceptionOCCError, "A string with the name of the extension was expected");
+    return 0;
+}
+
 PyObject* GeometryPy::showExtensions(PyObject *args)
 {
     if (!PyArg_ParseTuple(args, "")){