接続ターゲットの選択

from pymongo import MongoClientfrom pymongo.server_api import ServerApi
# Replace the placeholder with your Atlas connection stringuri = "<connection string>"
# Create a MongoClient with a MongoClientOptions object to set the Stable API versionclient = MongoClient(uri, server_api=ServerApi(    version='1', strict=True, deprecation_errors=True))
try:    # Connect the client to the server (optional starting in v4.7)    client.connect()
    # Send a ping to confirm a successful connection    client.admin.command({'ping': 1})    print("Pinged your deployment. You successfully connected to MongoDB!")
finally:    # Ensures that the client will close when you finish/error    client.close()

import asynciofrom pymongo import AsyncMongoClientfrom pymongo.server_api import ServerApi
async def main():    # Replace the placeholder with your Atlas connection string    uri = "<connection string>"
    # Create a MongoClient with a MongoClientOptions object to set the Stable API version    client = AsyncMongoClient(uri, server_api=ServerApi(        version='1', strict=True, deprecation_errors=True))
    try:        # Send a ping to confirm a successful connection        await client.admin.command({'ping': 1})        print("Pinged your deployment. You successfully connected to MongoDB!")
    finally:        # Ensures that the client will close when you finish/error        await client.close()
asyncio.run(main())

from pymongo import MongoClient
client = MongoClient("mongodb://host1:27017,host2:27017,host3:27017")

from pymongo import AsyncMongoClient
client = AsyncMongoClient("mongodb://host1:27017,host2:27017,host3:27017")

from pymongo import MongoClient
uri = "mongodb://host1:27017/?replicaSet=sampleRS"client = MongoClient(uri)

from pymongo import AsyncMongoClient
uri = "mongodb://host1:27017/?replicaSet=sampleRS"client = AsyncMongoClient(uri)