same for outputs

gradio/outputs.py

@@ -568,13 +568,6 @@ class Carousel(OutputComponent):
             **super().get_template_context()
         }
 
-    @classmethod
-    def get_shortcut_implementations(cls):
-        return {
-            "carousel": {},
-        }
-
-
     def postprocess(self, y):
         if isinstance(y, list):
             if len(y) != 0 and not isinstance(y[0], list):
@@ -605,9 +598,12 @@ def get_output_instance(iface):
         return shortcut[0](**shortcut[1])
     elif isinstance(iface, dict):  # a dict with `name` as the output component type and other keys as parameters
         name = iface.pop('name')
-        component, params = OutputComponent.get_all_shortcut_implementations()[name]
-        params.update(**iface)
-        return component(**params)
+        for component in OutputComponent.__subclasses__():
+            if component.__name__.lower() == name:
+                break
+        else:
+            raise ValueError("No such OutputComponent: {}".format(name))
+        return component(**iface)
     elif isinstance(iface, OutputComponent):
         return iface
     else:

test/test_inputs.py

@@ -162,7 +162,7 @@ class TestSequential(unittest.TestCase):
         self.assertEqual(iface.process([x_data])[0], ["Sal"])
 
 class TestNames(unittest.TestCase):
-    def test_no_duplicate_uncased_names(self):
+    def test_no_duplicate_uncased_names(self):  # this ensures that get_input_instance() works correctly when instantiating from components
         subclasses = gr.inputs.InputComponent.__subclasses__()
         unique_subclasses_uncased = set([s.__name__.lower() for s in subclasses])
         self.assertEqual(len(subclasses), len(unique_subclasses_uncased))

test/test_outputs.py

@@ -188,6 +188,11 @@ class TestDataframe(unittest.TestCase):
             iface.process([[2, 3, 4]])[0][0], 
             {"data": [[True, False, True]]})
 
+class TestNames(unittest.TestCase):
+    def test_no_duplicate_uncased_names(self):  # this ensures that get_input_instance() works correctly when instantiating from components
+        subclasses = gr.outputs.OutputComponent.__subclasses__()
+        unique_subclasses_uncased = set([s.__name__.lower() for s in subclasses])
+        self.assertEqual(len(subclasses), len(unique_subclasses_uncased))
 
 if __name__ == '__main__':
     unittest.main()