Deferred schema renderer creation to avoid requiring pyyaml. (encode#6416)

carltongibson · Pierre Chiquet · commit 23c499bfc8d9 · 2020-03-24T09:46:44.000+01:00
Closes encode#6366.
diff --git a/rest_framework/management/commands/generateschema.py b/rest_framework/management/commands/generateschema.py
@@ -32,8 +32,10 @@ def handle(self, *args, **options):
         self.stdout.write(output.decode('utf-8'))
 
     def get_renderer(self, format):
-        return {
-            'corejson': CoreJSONRenderer(),
-            'openapi': OpenAPIRenderer(),
-            'openapi-json': JSONOpenAPIRenderer()
+        renderer_cls = {
+            'corejson': CoreJSONRenderer,
+            'openapi': OpenAPIRenderer,
+            'openapi-json': JSONOpenAPIRenderer,
         }[format]
+
+        return renderer_cls()
