Some more _get_definition fixes

jedi/api/usages.py

@@ -64,7 +64,7 @@ def resolve_potential_imports(evaluator, definitions):
     new = set()
     for d in definitions:
         if isinstance(d, TreeNameDefinition):
-            imp_or_stmt = d.tree_name.get_definition()
+            imp_or_stmt = d.tree_name._get_definition()
             if isinstance(imp_or_stmt, tree.Import):
                 new |= resolve_potential_imports(
                     evaluator,

jedi/evaluate/filters.py

@@ -74,6 +74,14 @@ class ContextName(ContextNameMixin, AbstractTreeName):
 
 
 class TreeNameDefinition(AbstractTreeName):
+    _API_TYPES = dict(
+        import_name='module',
+        import_from='module',
+        funcdef='function',
+        param='param',
+        classdef='class',
+    )
+
     def infer(self):
         # Refactor this, should probably be here.
         from jedi.evaluate.finder import _name_to_types
@@ -81,14 +89,12 @@ class TreeNameDefinition(AbstractTreeName):
 
     @property
     def api_type(self):
-        definition = self.tree_name.get_definition()
-        return dict(
-            import_name='module',
-            import_from='module',
-            funcdef='function',
-            param='param',
-            classdef='class',
-        ).get(definition.type, 'statement')
+        definition = self.tree_name._get_definition()
+        if definition is None:
+            definition = self.tree_name.parent
+            if definition.type == 'dotted_as_name':
+                definition = definition.parent
+        return self._API_TYPES.get(definition.type, 'statement')
 
 
 class ParamName(AbstractTreeName):

test/test_api/test_classes.py

@@ -358,7 +358,7 @@ class TestGotoAssignments(TestCase):
         nms = names('import json as foo', references=True)
         assert nms[0].name == 'json'
         assert nms[0].type == 'module'
-        assert nms[0]._name.tree_name.get_definition().type == 'import_name'
+        assert nms[0]._name.tree_name.parent.type == 'dotted_as_name'
         n = nms[0].goto_assignments()[0]
         assert n.name == 'json'
         assert n.type == 'module'
@@ -366,7 +366,7 @@ class TestGotoAssignments(TestCase):
 
         assert nms[1].name == 'foo'
         assert nms[1].type == 'module'
-        assert nms[1]._name.tree_name.get_definition().type == 'import_name'
+        assert nms[1]._name.tree_name.parent.type == 'dotted_as_name'
         ass = nms[1].goto_assignments()
         assert len(ass) == 1
         assert ass[0].name == 'json'