Addon Manager: Cleanup

src/App/Metadata.cpp

@@ -655,7 +655,9 @@ void Metadata::appendToElement(DOMElement* root) const
 {
     appendSimpleXMLNode(root, "name", _name);
     appendSimpleXMLNode(root, "description", _description);
-    appendSimpleXMLNode(root, "version", _version.str());
+    if (_version != Meta::Version())
+        // Only append version if it's not 0.0.0
+        appendSimpleXMLNode(root, "version", _version.str());
 
     for (const auto& maintainer : _maintainer) {
         auto element = appendSimpleXMLNode(root, "maintainer", maintainer.name);
@@ -977,6 +979,8 @@ Meta::Version::Version(const std::string& versionString) :
 
 std::string Meta::Version::str() const
 {
+    if (*this == Meta::Version())
+        return "";
     std::ostringstream stream;
     stream << major << "." << minor << "." << patch << suffix;
     return stream.str();

src/App/MetadataPy.xml

@@ -365,6 +365,13 @@ Add a new File. </UserDocu>
 Remove the File. </UserDocu>
 			</Documentation>
 		</Methode>
+		
+		<Methode Name="write">
+			<Documentation>
+				<UserDocu>write(filename)\n
+Write the metadata to the given file as XML data.</UserDocu>
+			</Documentation>
+		</Methode>
 
 		<ClassDeclarations>
 			public:

src/App/MetadataPyImp.cpp

@@ -139,7 +139,7 @@ void MetadataPy::setVersion(Py::Object args)
     const char *name = nullptr;
     if (!PyArg_Parse(args.ptr(), "z", &name))
         throw Py::Exception();
-    if (name) 
+    if (name && name[0] != '\0') 
         getMetadataPtr()->setVersion(App::Meta::Version(std::string(name)));
     else
         getMetadataPtr()->setVersion(App::Meta::Version());
@@ -934,6 +934,18 @@ PyObject *MetadataPy::removeContentItem(PyObject *arg)
     return Py_None;
 }
 
+PyObject* MetadataPy::write(PyObject* args)
+{
+    char *filename = nullptr;
+    if (!PyArg_ParseTuple(args, "s", &filename))
+        return nullptr;
+    getMetadataPtr()->write(filename);
+
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+
+
 PyObject *MetadataPy::getCustomAttributes(const char * /*attr*/) const
 {
     return nullptr;