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HTTP methods

HTTP methods are verbs used in web services to indicate the desired action to be performed on a resource.^[400-devops-09-scripting-language-python-introduction-part-4http-readme.md] Common methods include GET and POST, which serve distinct purposes in client-server communication.^[400-devops-09-scripting-language-python-introduction-part-4http-readme.md]

Common Methods

The two most frequently used methods in web applications are:

  • GET: Primarily used for the general retrieval of data from a server.^[400-devops-09-scripting-language-python-introduction-part-4http-readme.md]
  • POST: Utilized for passing or submitting data to a specific service or server.^[400-devops-09-scripting-language-python-introduction-part-4http-readme.md]

Implementation and Routing

In web frameworks like [[Flask]], HTTP methods are explicitly mapped to specific routes or URLs.^[400-devops-09-scripting-language-python-introduction-part-4http-readme.md] This association allows developers to define how a server responds differently based on the method used in the request.

For example, a single URL path might trigger different logic depending on whether the request is a GET or a POST.^[400-devops-09-scripting-language-python-introduction-part-4http-readme.md] If a route is configured to accept only POST requests but receives a GET request (such as a default browser navigation), the server will typically return a Method Not Allowed error.^[400-devops-09-scripting-language-python-introduction-part-4http-readme.md]

Sources

  • 400-devops-09-scripting-language-python-introduction-part-4http-readme.md