Modernize whole stack

doorboy.py

@@ -1,35 +1,43 @@
-from datetime import datetime
-from sanic import Sanic, response
-from sanic.response import text, json, stream
+from sanic import Sanic
+from sanic.response import text, json
 from motor.motor_asyncio import AsyncIOMotorClient
-import asyncio
 import pymongo
 import os
-import const
 
 app = Sanic(__name__)
 
 DOORBOY_SECRET = os.environ["DOORBOY_SECRET"]
+MONGO_URI = os.getenv("MONGO_URI",
+                      "mongodb://127.0.0.1:27017/default?replicaSet=rs0")
 
-assert len(DOORBOY_SECRET) > 10
+assert len(DOORBOY_SECRET) >= 10
 
 
 @app.listener("before_server_start")
 async def setup_db(app, loop):
     # TODO: find cleaner way to do this, for more see
     # https://github.com/sanic-org/sanic/issues/919
-    app.db = AsyncIOMotorClient(const.MONGO_URI).get_default_database()
+    app.ctx.db = AsyncIOMotorClient(MONGO_URI).get_default_database()
 
 
 @app.route("/allowed")
 async def view_doorboy_uids(request):
-    if request.headers.get('KEY') != DOORBOY_SECRET:
+    if request.headers.get("KEY") != DOORBOY_SECRET:
         return text("how about no")
     allowed_names = []
-    async for obj in app.db.member.find({"enabled": True}):
+    async for obj in app.ctx.db.member.find({"enabled": True}):
         allowed_names.append(obj["_id"])
     allowed_uids = []
-    async for obj in app.db.inventory.find({"token.uid_hash": {"$exists":True}, "inventory.owner": {"$exists":True}, "token.enabled": {"$exists":True}}, {"inventory.owner": True, "token.uid_hash": True }):
+    flt = {
+        "token.uid_hash": {"$exists": True},
+        "inventory.owner": {"$exists": True},
+        "token.enabled": {"$exists": True}
+    }
+    prj = {
+        "inventory.owner": True,
+        "token.uid_hash": True
+    }
+    async for obj in app.ctx.db.inventory.find(flt, prj):
         if obj["inventory"].pop("owner").get("foreign_id") in allowed_names:
             del obj["_id"]
             del obj["inventory"]
@@ -37,31 +45,30 @@ async def view_doorboy_uids(request):
     return json({"allowed_uids": allowed_uids})
 
 
-@app.route("/longpoll")
+@app.route("/longpoll", stream=True)
 async def view_longpoll(request):
-    if request.headers.get('KEY') != DOORBOY_SECRET:
-        return text("how about no")
+    response = await request.respond(content_type="text/event-stream")
+    if request.headers.get("KEY") != DOORBOY_SECRET:
+        return text("Invalid token")
 
-    async def g(response):
-        await response.write("data: response-generator-started\n\n")
-        pipeline = [
-            {
-                '$match': {
-                     'operationType': "insert",
-#                     'component': 'doorboy',
-#                     'type': 'open-door'
-                 }
-            }
-        ]
-        try:
-            async with app.db.eventlog.watch(pipeline) as stream:
-                await response.write("data: watch-stream-opened\n\n")
-                async for event in stream:
-                    if event["fullDocument"].get("type") == "open-door":
-                        await response.write("data: %s\n\n" % event["fullDocument"]["door"])
-        except pymongo.errors.PyMongoError:
-            return
-    return stream(g, content_type="text/event-stream")
+    await response.send("data: response-generator-started\n\n")
+    pipeline = [
+        {
+            "$match": {
+                 "operationType": "insert",
+             }
+        }
+    ]
+    try:
+        async with app.ctx.db.eventlog.watch(pipeline) as stream:
+            await response.send("data: watch-stream-opened\n\n")
+            async for event in stream:
+                if event["fullDocument"].get("type") == "open-door":
+                    await response.send("data: %s\n\n" %
+                                        event["fullDocument"]["door"])
+    except pymongo.errors.PyMongoError:
+        return
 
-if __name__ == '__main__':
-    app.run(debug=False, host='0.0.0.0', port=5000)
+
+if __name__ == "__main__":
+    app.run(debug=False, host="0.0.0.0", port=5000)