How can I obtain IP addresses of visitors using Flask?

Obtaining IP Addresses for Visitors Using Flask

In Flask, a Python-based micro-framework, there is a need to capture IP addresses of users logging into a website. This measure is crucial for logging purposes, ensuring the ability to track user activity and identify specific individuals if necessary.

To accomplish this in Flask, one can leverage the Request object. The Request object is attributed with the remote_addr property, which provides access to the IP address of the user making the request.

Code Implementation

The following code snippet illustrates how to retrieve the IP address using Flask:

from flask import request
from flask import jsonify

@app.route("/get_my_ip", methods=["GET"])
def get_my_ip():
    return jsonify({'ip': request.remote_addr}), 200

By invoking this route, one can obtain the IP address of the user and return it as a JSON response.

Additional Information

Further insights into this topic can be found in the Werkzeug documentation. Werkzeug is the underlying WSGI toolkit that Flask utilizes, providing additional nuances and technical specifications.

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