motor的使用

# -*- coding: utf-8 -*-
# @Time : 2018/11/18 10:41 PM
# @Author : cxa
# @File : motordb.py
# @Software: PyCharm
import asyncio

try:
    import uvloop

    asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
except ImportError:
    pass

from motor.motor_asyncio import AsyncIOMotorClient


class MotorBase:
    _db = {}
    _collection = {}

    def __init__(self, loop=None):
        self.motor_uri = ''
        self.loop = loop or asyncio.get_event_loop()

    def client(self, db):
        self.motor_uri = f"mongodb://localhost:27017/{db}"
        return AsyncIOMotorClient(self.motor_uri, io_loop=self.loop)

    def get_db(self, db='test'):
        if db not in self._db:
            self._db[db] = self.client(db)[db]

        return self._db[db]


async def savedata():
    mb = MotorBase().get_db('test')
    await mb.news.insert_one({'name': "lisa"})


if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(savedata())