How to use session objects in Requests for persistent connections and cookies

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by dot icon Updated: Aug 2, 2023

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A request session object is a mechanism used in web applications. It maintains stateful interactions between a client and a server. In web development, HTTP request methods are stateless by default. It means each request made by a client to the server is independent. It does not keep any data about past requests.  


Many web applications need the capacity to store and handle user-specific response data. They give a way to connect and maintain stateful behavior between client and server. The main aim of a request session class object is to store and retrieve the specific data for the user session.  


It allows web services to provide a more interactive experience for users. Request session objects play an important role in web application development. You can fill the gap between the need to keep specific data and interaction over many requests.  


Let's talk about how to use request session objects in Flask, a popular web framework for Python:  

  • Import the necessary modules.  
  • Initialize the Flask application.  
  • Storing and Retrieving Data.  
  • User Authentication.  
  • Maintaining User-Specific Information.  

The session ID is created, saved, and sent between the client and server in session management. The session ID connects the session object to the next request option. HTTP headers maintain the link between a request object and a session object.  


It ensures the continuity of user sessions in web applications. Consider the following best practices for handling specific data in a session object:  

  • Avoid Storing Sensitive Data  
  • Encrypt Session Data  
  • Validate and Sanitize Session Data  
  • Implement Expiration and Inactivity Timeout  
  • Secure Session Storage  
  • Use Transport Layer Security (TLS/SSL)  

In conclusion, request session objects are crucial in web application development. It can enable stateful interactions between clients and servers. They keep user-specific data and improve the user experience among many requests.  

Fig: Preview of the output that you will get on running this code from your IDE


In this solution we are using request library


Follow the steps carefully to get the output easily.

  1. Download and Install the PyCharm Community Edition on your computer.
  2. Open the terminal and install the required libraries with the following commands.
  3. Install requests - pip install requests
  4. Install SaltPyLint - pip install SaltPyLint
  5. Create a new Python file on your IDE.
  6. Copy the snippet using the 'copy' button and paste it into your Python file.
  7. Run the current file to generate the output.

I hope you found this useful.

I found this code snippet by searching for ' using the requests. Session object to set cookies in order to access page' in Kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. PyCharm Community Edition 2023.1
  2. The solution is created in Python 3.11.1 Version
  3. requests 1.0.7 Version

Using this solution, we can create a virtual event in Tkinter Python with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to create a virtual event in Tkinter Python.

Dependent Library

Python doticonstar image 2877 doticonVersion:v0.1.4doticon
License: Permissive (BSD-2-Clause)

LPIPS metric. pip install lpips


            PerceptualSimilarityby richzhang

            Python doticon star image 2877 doticonVersion:v0.1.4doticon License: Permissive (BSD-2-Clause)

            LPIPS metric. pip install lpips

                      requestsby psf

                      Python doticonstar image 49787 doticonVersion:v2.31.0doticon
                      License: Permissive (Apache-2.0)

                      A simple, yet elegant, HTTP library.


                                requestsby psf

                                Python doticon star image 49787 doticonVersion:v2.31.0doticon License: Permissive (Apache-2.0)

                                A simple, yet elegant, HTTP library.

                                          You can search for any dependent library on kandi like 'requests' and 'SaltPyLint'.


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                                          1. What is the Python requests module, and why is it considered an elegant and simple HTTP library?  

                                          The Python requests module is a popular third-party library. It simplifies the process of making HTTP requests in Python. Provides an elegant and simple API for sending HTTP requests and handling responses. The requests module abstracts the complexities of working with the lower-level http. Client library or other HTTP client libraries. It gives a higher-level interface. It helps interact with web services and APIs.  


                                          There are many reasons why the requests module is considered a simple HTTP library:  

                                          • Clean and Intuitive API  
                                          • HTTP Verb Methods  
                                          • Easy Parameter Passing  
                                          • Response Handling  
                                          • Session Management  
                                          • File Uploads and Downloads  


                                          2. How does one use the Requests API to send POST JSON Data?  

                                          To send JSON data in a POST request using the requests library in Python. You can use the json parameter of the requests.Post() method.  

                                          • First, import the required libraries.  
                                          • Define the JSON data you want to send in the POST request.  
                                          • Convert the data to JSON format using Json.Dumps().  
                                          • Specify the headers to indicate that the request body contains JSON data.  
                                          • Use the requests.Post() method to send the POST request.  
                                          • Check the response status code to decide if the request was successful.  

                                          3. How do I access currently outstanding cookies with a Session object?  

                                          Access currently outstanding cookies with a Session object in the request's library. You can use the cookies attribute.  

                                          • Import the requests library.  
                                          • Create a Session object using requests.Session().  
                                          • Send a request using the session object (session.get('')). This request can set cookies, which will be stored in the session object.  
                                          • Access the outstanding cookies by accessing the cookies attribute of the session object.  
                                          • You can iterate over the cookies using a loop, accessing their attributes such as name and value.  


                                          4. Can you explain how to use the Session API Docs in Python?  

                                          The Session API docs give information on how to use the Session object in the request's library. Here's a guide on how to navigate and use the Session API documentation:  

                                          • Access the Documentation  
                                          • Locate the Session Documentation  
                                          • Understand the Session Object  
                                          • Explore Methods and Attributes  
                                          • Read Method Documentation  


                                          5. What are some strategies for sending data using a given Request object?  

                                          When working with a Request object in the request's library, there are some methods you can use to send data. The appropriate method depends on the data type you want to send. It also depends on the specific requirements of the API or server you interact with.  


                                          Here are some common strategies for sending data using a Request object:  

                                          • Query Parameters  
                                          • Request Body (Form Data)  
                                          • Request Body (JSON Data)  
                                          • Multipart Data (File Uploads)  
                                          • Custom Headers 

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