set isfinal to true to enable xml parser to free resources

Lib/fontTools/misc/testTools.py

@@ -38,7 +38,7 @@ def parseXML(xmlSnippet):
             % type(xmlSnippet).__name__
         )
     xml += b"</root>"
-    reader.parser.Parse(xml, 0)
+    reader.parser.Parse(xml, 1)
     return reader.root[2]
 
 

Lib/fontTools/ufoLib/glifLib.py

@@ -1765,7 +1765,7 @@ class _BaseParser:
         parser = ParserCreate()
         parser.StartElementHandler = self.startElementHandler
         parser.EndElementHandler = self.endElementHandler
-        parser.Parse(text)
+        parser.Parse(text, 1)
 
     def startElementHandler(self, name, attrs):
         self._elementStack.append(name)