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How To Download Files Using Python Flask

Last updated on July 6, 2023

To download a file from a Flask server, you can use the send_file function provided by Flask. Here’s an example of how to implement file download functionality using Flask:

from flask import Flask, send_file

app = Flask(__name__)

def download_file():
    file_path = 'path/to/file.txt'  # Replace with the actual file path

    return send_file(file_path, as_attachment=True)

if __name__ == '__main__':

n the above example, we define a route /download that handles the file download request. Inside the route function, we specify the file path of the file to be downloaded.

Using send_file, we send the file as a response. The as_attachment parameter is set to True to force the browser to download the file rather than display it.

Ensure you replace 'path/to/file.txt' with the actual path to the file you want to download.

When the user visits the /download URL, the file will be downloaded by the browser with the specified file name.

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