Simplify django consumer now promises are resolved in the base

Author: SmileyChris

graphql_ws/django/consumers.py

@@ -1,26 +1,11 @@
-import asyncio
 import json
 
 from channels.generic.websocket import AsyncJsonWebsocketConsumer
-from promise import Promise
 
 from ..constants import WS_PROTOCOL
 from .subscriptions import subscription_server
 
 
-class JSONPromiseEncoder(json.JSONEncoder):
-    def encode(self, *args, **kwargs):
-        self.pending_promises = []
-        return super(JSONPromiseEncoder, self).encode(*args, **kwargs)
-
-    def default(self, o):
-        if isinstance(o, Promise):
-            if o.is_pending:
-                self.pending_promises.append(o)
-            return o.value
-        return super(JSONPromiseEncoder, self).default(o)
-
-
 class GraphQLSubscriptionConsumer(AsyncJsonWebsocketConsumer):
 
     async def connect(self):
@@ -45,10 +30,4 @@ async def receive_json(self, content):
 
     @classmethod
     async def encode_json(cls, content):
-        json_promise_encoder = JSONPromiseEncoder()
-        e = json_promise_encoder.encode(content)
-        while json_promise_encoder.pending_promises:
-            # Wait for pending promises to complete, then try encoding again.
-            await asyncio.wait(json_promise_encoder.pending_promises)
-            e = json_promise_encoder.encode(content)
-        return e
+        return json.dumps(content)