How Do I Code a Python Web Server?


Larry Thompson

How Do I Code a Python Web Server?

Python is a versatile programming language that allows you to build a wide range of applications, including web servers. In this tutorial, we will guide you through the process of coding a basic Python web server.

By the end of this article, you will have a good understanding of how to create your own web server using Python.


Before we start coding our Python web server, make sure you have the following:

  • Python installed on your machine (version 3 or higher)
  • A text editor or an Integrated Development Environment (IDE) to write your code

Step 1: Importing the Required Modules

To get started, open your preferred text editor or IDE and create a new Python file. Begin by importing the necessary modules for creating a web server in Python:

import http.server
import socketserver

Step 2: Defining the Request Handler Class

Next, define a class that will handle incoming HTTP requests. This class should inherit from the http.server.BaseHTTPRequestHandler class provided by Python’s built-in http.server module.

class MyRequestHandler(http.BaseHTTPRequestHandler):
    def do_GET(self):
        self.send_header('Content-type', 'text/html')
        # Your logic goes here
        self.wfile.write(b"Hello, World!") # Replace 'Your logic goes here' with your own code to handle GET requests. 

# For example, you can serve HTML files or execute specific actions based on the request. 

Step 3: Configuring the Server

After defining the request handler class, you need to configure the server itself. In Python, you can use the socketserver.TCPServer class to create a web server.

def run_server():
    PORT = 8000
    with socketserver.TCPServer(("", PORT), MyRequestHandler) as httpd:
        print(f"Server started on port {PORT}")

In this example, we’ve set the server to listen on port 8000. You can change this value to any available port you prefer.

Step 4: Run Your Web Server

Save your Python file with a meaningful name, such as, and navigate to its location using your command prompt or terminal. Run the following command to start your web server:


Congratulations! You have now created and started your own Python web server. You can access it by opening a web browser and navigating to http://localhost:8000/.

You should see a “Hello, World!” message displayed in your browser.


  • If you encounter a “Port already in use” error, try changing the port number in Step 3.
  • If you’re running Python 2.x, replace http.BaseHTTPRequestHandler with BaseHTTPServer.BaseHTTPRequestHandler.

Now that you have successfully coded your own Python web server, you can further customize it to suit your specific needs. You can serve different types of content, handle various types of requests, and even implement more advanced features like authentication and database integration.

The possibilities are endless!

Remember to experiment and explore the vast capabilities of Python to enhance your web server’s functionality and create powerful applications.

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