python requests lambda

Python Requests lambda

If you are looking to make HTTP requests in your Python code, the Requests library is a popular choice. Additionally, utilizing AWS Lambda functions can provide serverless computing to your application. Combining these two technologies can result in a robust and scalable solution for your project needs.

Using Python Requests in AWS Lambda

Firstly, you need to include the Requests library in your AWS Lambda function. One way to do this is by creating a deployment package that includes the library. You can create a deployment package using virtual environments or by creating a zip file with the library and all its dependencies.

Here is an example of how to include the Requests library in your AWS Lambda function:


    import requests

    def lambda_handler(event, context):
        response = requests.get('https://jsonplaceholder.typicode.com/posts')
        return response.json()
  

In this example, we are importing the Requests library and making a GET request to a RESTful API. The JSON response from the request is returned by the Lambda function.

Using AWS Lambda with Python Requests and API Gateway

Another way to use Python Requests with AWS Lambda is by utilizing the API Gateway service. The API Gateway can act as a proxy for your Lambda function and handle incoming HTTP requests. This allows you to expose your Lambda function as a REST API endpoint that can be accessed by clients.

Here is an example of how to use AWS Lambda with Python Requests and API Gateway:


    import json
    import requests

    def lambda_handler(event, context):
        if event['httpMethod'] == 'GET':
            response = requests.get('https://jsonplaceholder.typicode.com/posts')
            return {
                'statusCode': 200,
                'body': json.dumps(response.json())
            }
        else:
            return {
                'statusCode': 405,
                'body': json.dumps("Method not allowed")
            }
  

In this example, we are using the API Gateway to handle incoming HTTP requests. The Lambda function checks the incoming request method and makes a GET request to a RESTful API using the Requests library. The response from the API is returned as a JSON object.

Conclusion

Using Python Requests with AWS Lambda can provide a powerful and flexible solution for making HTTP requests in your Python code. Whether you are using a deployment package or utilizing the API Gateway service, combining these technologies can result in a scalable and efficient application.