Fixes for Python 3 and refactoring: Merge generic Output class into specialized output classes as some need to write files in binary mode.

Tools/px4params/xmlout.py

@@ -1,22 +0,0 @@
-import output
-from xml.dom.minidom import getDOMImplementation
-
-class XMLOutput(output.Output):
-    def Generate(self, groups):
-        impl = getDOMImplementation()
-        xml_document = impl.createDocument(None, "parameters", None)
-        xml_parameters = xml_document.documentElement
-        for group in groups:
-            xml_group = xml_document.createElement("group")
-            xml_group.setAttribute("name", group.GetName())
-            xml_parameters.appendChild(xml_group)
-            for param in group.GetParams():
-                xml_param = xml_document.createElement("parameter")
-                xml_group.appendChild(xml_param)
-                for code in param.GetFieldCodes():
-                    value = param.GetFieldValue(code)
-                    xml_field = xml_document.createElement(code)
-                    xml_param.appendChild(xml_field)
-                    xml_value = xml_document.createTextNode(value)
-                    xml_field.appendChild(xml_value)
-        return xml_document.toprettyxml(indent="    ", newl="\n", encoding="utf-8")