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Flask is a micro web framework written in Python.It is classified as a microframework because it does not require particular tools or libraries. [2] It has no database abstraction layer, form validation, or any other components where pre-existing third-party libraries provide common functions.
This class of status code indicates the client must take additional action to complete the request. Many of these status codes are used in URL redirection. [2]A user agent may carry out the additional action with no user interaction only if the method used in the second request is GET or HEAD.
The function will define code that should respond to an HTTP request. The macro that is written as part of the function declaration will define which HTTP Method (such as GET, POST, PUT, etc.) it should be handle, as well as a pattern describing the URL it should be relevant to.
Diagram of a double POST problem encountered in user agents. Diagram of the double POST problem above being solved by PRG. Post/Redirect/Get (PRG) is a web development design pattern that lets the page shown after a form submission be reloaded, shared, or bookmarked without ill effects, such as submitting the form another time.
Beautiful Soup was started in 2004 by Leonard Richardson. [citation needed] It takes its name from the poem Beautiful Soup from Alice's Adventures in Wonderland [5] and is a reference to the term "tag soup" meaning poorly-structured HTML code. [6]
Line 2 receives an incoming event, for example, HTTP request or WebSocket message. The await keyword is used because the operation is asynchronous. Line 4 asynchronously sends a response back to the client. In this case, it is a WebSocket communication.
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A microframework is a term used to refer to minimalistic web application frameworks.It is contrasted with full-stack frameworks. It lacks most of the functionality which is common to expect in a full-fledged web application framework, such as: