Flask/Werkzeug how to attach HTTP content-length header to file download

Question

I am using Flask (based on Werkzeug) which uses Python.

The user can download a file, I\'m using the send_from_directory-function.

However when actually down

Answer 1

Since version 0.6 the canonical way to add headers to a response object is via the make_response method (see Flask docs).

def index():
    response = make_response(render_template('index.html', foo=42))
    response.headers['X-Parachutes'] = 'parachutes are cool'
    return response