What is WSGI in Python web apps?
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What is WSGI?
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WSGI is a standard interface between web servers (like Gunicorn, uWSGI) and Python web applications or frameworks (like Django, Flask).
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It allows web servers to forward requests to the Python app and receive responses in a uniform way, regardless of the framework or server used.
Why is WSGI important?
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It decouples web servers from web applications, so you can use any WSGI-compatible server with any WSGI-compatible Python app.
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It standardizes how requests and responses are handled, making Python web development more flexible and scalable.
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Without WSGI, every server and framework would need custom integrations.
How it works briefly:
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The server receives an HTTP request.
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The server calls the WSGI application callable (a Python function) with environment details and a callback function.
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The app processes the request and returns the response via the callback.
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The server sends the HTTP response back to the client.
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