pymongo timeout

To set a timeout for a pymongo operation, you can follow these steps:

  1. Import the necessary modules: Begin by importing the required modules for your code to work with pymongo. Typically, you need to import the pymongo module itself.
import pymongo
  1. Create a MongoDB client object: Next, create a MongoDB client object using the MongoClient class provided by pymongo. This object represents a connection to the MongoDB server.
client = pymongo.MongoClient("mongodb://localhost:27017/")

Note: Replace "mongodb://localhost:27017/" with the actual connection string for your MongoDB server.

  1. Set the timeout option: To set a timeout for a pymongo operation, you can pass the socketTimeoutMS option as an argument when creating a connection to the MongoDB server. This option specifies the number of milliseconds to wait for a response before timing out.
client = pymongo.MongoClient("mongodb://localhost:27017/",
                             serverSelectionTimeoutMS=5000)

In the above example, the timeout is set to 5 seconds (5000 milliseconds). Adjust the value based on your requirements.

  1. Perform pymongo operations: After setting the timeout, you can perform various pymongo operations such as querying, inserting, updating, or deleting data from your MongoDB database using the created client object.
db = client["mydatabase"]
collection = db["mycollection"]
result = collection.find_one({"name": "John"})

In the above example, we are performing a find_one operation to retrieve a document from the "mycollection" collection in the "mydatabase" database.

  1. Handling the timeout: If a timeout occurs during the execution of a pymongo operation, an exception will be raised. You can handle this exception using a try-except block.
try:
    result = collection.find_one({"name": "John"})
except pymongo.errors.ServerSelectionTimeoutError:
    print("Connection to MongoDB server timed out.")

In the above example, if a ServerSelectionTimeoutError exception is raised, it means the connection to the MongoDB server timed out.

Remember to handle exceptions appropriately based on your application's requirements, such as retrying the operation or displaying an error message to the user.

That's it! These are the steps to set a timeout for a pymongo operation.