+ detect from Python whether a document is modified, give option to suppress warning from SendMsgToActiveView

src/Gui/ApplicationPy.cpp

@@ -405,12 +405,15 @@ PyObject* Application::sExport(PyObject * /*self*/, PyObject *args,PyObject * /*
 PyObject* Application::sSendActiveView(PyObject * /*self*/, PyObject *args,PyObject * /*kwd*/)
 {
     char *psCommandStr;
-    if (!PyArg_ParseTuple(args, "s",&psCommandStr))     // convert args: Python->C 
+    PyObject *suppress=Py_False;
+    if (!PyArg_ParseTuple(args, "s|O!",&psCommandStr,&PyBool_Type,&suppress))     // convert args: Python->C 
         return NULL;                                      // NULL triggers exception 
 
     const char* ppReturn=0;
-    if (!Instance->sendMsgToActiveView(psCommandStr,&ppReturn))
-        Base::Console().Warning("Unknown view command: %s\n",psCommandStr);
+    if (!Instance->sendMsgToActiveView(psCommandStr,&ppReturn)) {
+        if (!PyObject_IsTrue(suppress))
+            Base::Console().Warning("Unknown view command: %s\n",psCommandStr);
+    }
 
     // Print the return value to the output
     if (ppReturn) {

src/Gui/DocumentPy.xml

@@ -106,5 +106,11 @@
 	  </Documentation>
 	  <Parameter Name="Document" Type="Object" />
 	</Attribute>
-</PythonExport>
+		<Attribute Name="Modified" ReadOnly="true">
+			<Documentation>
+				<UserDocu>Returns True if the document is marked as modified, and False otherwse</UserDocu>
+			</Documentation>
+			<Parameter Name="Modified" Type="Boolean" />
+		</Attribute>
+	</PythonExport>
 </GenerateModel>

src/Gui/DocumentPyImp.cpp

@@ -321,6 +321,11 @@ Py::Object DocumentPy::getDocument(void) const
     }
 }
 
+Py::Boolean DocumentPy::getModified(void) const
+{
+    return Py::Boolean(getDocumentPtr()->isModified());
+}
+
 PyObject *DocumentPy::getCustomAttributes(const char* attr) const
 {
     // Note: Here we want to return only a document object if its