Fix #300 Set aliases for duplicate import class names

Author: tefra

tests/codegen/test_resolver.py

@@ -122,20 +122,22 @@ def test_resolve_imports(
         import_names = [
             "foo",  # cool
             "bar",  # cool
+            "{another}foo",  # another foo
             "{thug}life",  # life class exists add alias
             "{common}type",  # type class doesn't exist add just the name
         ]
         self.resolver.class_map = {class_life.qname: class_life}
         mock_import_classes.return_value = import_names
-        mock_find_package.side_effect = ["first", "second", "third", "forth"]
+        mock_find_package.side_effect = ["first", "second", "third", "forth", "fifth"]
 
         self.resolver.resolve_imports()
         mock_add_import.assert_has_calls(
             [
                 mock.call(qname=import_names[0], package="first", exists=False),
                 mock.call(qname=import_names[1], package="second", exists=False),
                 mock.call(qname=import_names[2], package="third", exists=True),
-                mock.call(qname=import_names[3], package="forth", exists=False),
+                mock.call(qname=import_names[3], package="forth", exists=True),
+                mock.call(qname=import_names[4], package="fifth", exists=False),
             ]
         )
 

xsdata/codegen/resolver.py

@@ -65,10 +65,12 @@ def apply_aliases(self, obj: Class):
     def resolve_imports(self):
         """Walk the import qualified names, check for naming collisions and add
         the necessary code generator import instance."""
-        local_names = [split_qname(qname)[1] for qname in self.class_map.keys()]
+        local_names = {split_qname(qname)[1] for qname in self.class_map.keys()}
         for qname in self.import_classes():
             package = self.find_package(qname)
-            exists = split_qname(qname)[1] in local_names
+            local_name = split_qname(qname)[1]
+            exists = local_name in local_names
+            local_names.add(local_name)
             self.add_import(qname=qname, package=package, exists=exists)
 
     def add_import(self, qname: str, package: str, exists: bool = False):