# -*- coding: utf-8 -*-
# @Time : 2019/1/7 2:11 PM
# @Author : cxa
# @File : motortesdt.py
# @Software: PyCharm
import motor.motor_asyncio
import asyncio
import pprint
from bson import SON
db_configs = {
'type': 'mongo',
'host': '123.22.3.11',
'port': '27017',
'user': 'admin',
'passwd': '12344',
'db_name': 'spider_data'
}
class Motor():
def __init__(self):
self.__dict__.update(**db_configs)
self.motor_uri = f"mongodb://{self.user}:{self.passwd}@{self.host}:{self.port}/{self.db_name}?authSource={self.user}"
self.client = motor.motor_asyncio.AsyncIOMotorClient(self.motor_uri)
self.db = self.client.spider_data
async def do_insert(self):
document = {'key': 'value'}
result = await self.db.表名.insert_one(document)
print(f'result{result.inserted_id}')
async def do_find_one(self):
document = await self.db.表名.find_one({})
pprint.pprint(document)
async def do_find(self):
# cursor = db.表名.find({})
# for document in await cursor.to_list(length=2):
# pprint.pprint(document)
c = self.db.表名.find({})
c.sort('value', -1).limit(2).skip(1)
async for item in c:
pprint.pprint(item)
async def do_replace(self):
try:
coll = self.db.表名
old_document = await coll.find_one({'value': "50"})
print(f'found document:{pprint.pformat(old_document)}')
_id = old_document['_id']
old_document["value"] = "12"
result = await coll.replace_one({'_id': _id}, old_document)
print(result)
new_document = await coll.find_one({'_id': _id})
print(new_document)
except TypeError as e:
print("找不到value为50的数据")
async def do_update(self):
try:
condition = {"value": 50}
coll = self.db.表名
item = await coll.find_one(condition)
item["value"] = 10
result = await coll.update_one(condition, {'$set': item}, upsert=True)
# 更新多条update_many
print(f'updated {result.modified_count} document')
new_document = await coll.find_one(condition)
print(f'document is now {pprint.pformat(new_document)}')
except TypeError as e:
print("找不到value为50的数据")
async def do_delete_many(self):
coll = self.db.表名
n = await coll.count()
print('%s documents before calling delete_many()' % n)
result = await self.db.test_collection.delete_many()
print('%s documents after' % (await coll.count()))
async def use_count_command(self):
response = await self.db.command(SON([("count", "表名")]))
print(f'response:{pprint.pformat(response)}')
if __name__ == '__main__':
m = Motor()
loop = asyncio.get_event_loop()
loop.run_until_complete(m.use_count_command())
转载于:https://www.cnblogs.com/c-x-a/p/10233271.html
