Improve error message where table_name is None (pynamodb#449)

asottile · harleyk · commit 6f13d8a80483 · 2018-03-05T13:20:56.000-08:00
* Improve error message where table_name is None
diff --git a/pynamodb/models.py b/pynamodb/models.py
@@ -1261,10 +1261,21 @@ def _get_connection(cls):
         """
         Returns a (cached) connection
         """
-        if not hasattr(cls, "Meta") or cls.Meta.table_name is None:
+        if not hasattr(cls, "Meta"):
             raise AttributeError(
-                """As of v1.0 PynamoDB Models require a `Meta` class.
-                See https://pynamodb.readthedocs.io/en/latest/release_notes.html"""
+                'As of v1.0 PynamoDB Models require a `Meta` class.\n'
+                'Model: {0}.{1}\n'
+                'See https://pynamodb.readthedocs.io/en/latest/release_notes.html\n'.format(
+                    cls.__module__, cls.__name__,
+                ),
+            )
+        elif not hasattr(cls.Meta, "table_name") or cls.Meta.table_name is None:
+            raise AttributeError(
+                'As of v1.0 PyanmoDB Models must have a table_name\n'
+                'Model: {0}.{1}\n'
+                'See https://pynamodb.readthedocs.io/en/latest/release_notes.html'.format(
+                    cls.__module__, cls.__name__,
+                ),
             )
         if cls._connection is None:
             cls._connection = TableConnection(cls.Meta.table_name,
