How to Get Visitors\' IP Addresses in a Flask-Based Python Website?

Retrieving Visitors' IP Addresses in Flask for Python

Question:

In a Flask-based Python website that allows users to log in and download files, how can one obtain the IP addresses of visitors upon login for logging purposes?

Answer:

To retrieve the IP addresses of visitors in a Flask application using Python, you can leverage the Werkzeug framework upon which Flask is built. Here's how you can do it:

Code Example:

<code class="python">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</code>

Explanation:

In this code, we obtain the Request object using the request import from Flask. This object provides access to various request-related information, including the remote_addr attribute, which contains the IP address of the user making the request. We then jsonify the IP address and return it as a response.

Further Information:

For additional insights, refer to the Werkzeug documentation for more details on accessing request attributes and additional request handling methods.

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