rewrite with sanic, motor

Dockerfile

@@ -5,4 +5,4 @@ COPY requirements.txt ./
 RUN pip install -r requirements.txt
 
 COPY *.py ./
-CMD ["gunicorn", "--workers", "10", "--bind", "[::]:5000", "main:app", "--timeout", "90"]
+CMD ["gunicorn", "--worker-class", "sanic.worker.GunicornWorker", "--workers", "10", "--bind", "[::]:5000", "main:app", "--timeout", "90"]

main.py

@@ -1,18 +1,20 @@
 from datetime import datetime
-from flask import Flask, request, redirect, render_template, Blueprint, make_response, jsonify
-from pymongo import MongoClient
-import flask
+from sanic import Sanic, response
+import uvloop, asyncio
+from motor.motor_asyncio import AsyncIOMotorClient
+import pymongo
 import hashlib
 import jinja2
 import json
 import os
-import pymongo
 import smtplib
 import const
 
-app = Flask(__name__)
+app = Sanic(__name__)
+asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) # swap default event loop to uvloop
+
 #mongodb = MongoClient('mongodb://172.21.27.1,172.21.27.2,172.21.27.3:27017/', replicaSet="kspace-mongo-set").kspace_accounting
-mongodb = MongoClient(const.MONGO_URI)
+mongodb = AsyncIOMotorClient(const.MONGO_URI)
 mongodb = mongodb.get_default_database()
 
 DOORBOY_SECRET = os.environ["DOORBOY_SECRET"]
@@ -20,25 +22,25 @@ DOORBOY_SECRET = os.environ["DOORBOY_SECRET"]
 assert len(DOORBOY_SECRET) > 10
 
 @app.route("/allowed")
-def view_doorboy_uids():
+async def view_doorboy_uids(request):
     if request.headers.get('KEY') != DOORBOY_SECRET:
         return "how about no"
-    allowed_names = [o["_id"] for o in mongodb.member.find({"enabled": True})]
+    allowed_names = [o["_id"] for o in await mongodb.member.find({"enabled": True}).to_list()]
     allowed_uids = []
-    for obj in mongodb.inventory.find({"token.uid_hash": {"$exists":True}, "inventory.owner_id": {"$exists":True}, "token.enabled": True}, {"inventory.owner_id": True, "token.uid_hash": True }):
+    for obj in await mongodb.inventory.find({"token.uid_hash": {"$exists":True}, "inventory.owner_id": {"$exists":True}, "token.enabled": True}, {"inventory.owner_id": True, "token.uid_hash": True }):
         if obj["inventory"].pop("owner_id") in allowed_names:
-            obj.pop("_id")
-            obj.pop("inventory")
+            del obj["_id"]
+            del obj["inventory"]
             allowed_uids.append(obj)
-    return jsonify(allowed_uids=allowed_uids)
+    return response.json(allowed_uids=allowed_uids)
 
 
 @app.route("/longpoll")
-def view_longpoll():
+async def view_longpoll(request):
     if request.headers.get('KEY') != DOORBOY_SECRET:
         return "how about no"
 
-    def g():
+    async def g():
         yield "data: response-generator-started\n\n"
         pipeline = [
             {
@@ -50,16 +52,14 @@ def view_longpoll():
             }
         ]
         try:
-            with mongodb.eventlog.watch(pipeline) as stream:
+            async with mongodb.eventlog.watch(pipeline) as stream:
                 yield "data: watch-stream-opened\n\n"
-                for event in stream:
+                async for event in stream:
                     if event["fullDocument"].get("type") == "open-door":
                         yield "data: %s\n\n" % event["fullDocument"]["door"]
         except pymongo.errors.PyMongoError:
             return "urror"
-    return flask.Response(g(),
-        mimetype="text/event-stream")
+    return stream(g, content_type="text/event-stream")
 
 if __name__ == '__main__':
     app.run(debug=False, host='::')
-

requirements.txt

@@ -2,3 +2,5 @@ Flask
 Flask-WTF
 pymongo
 gunicorn
+sanic
+motor