Download A File From A Flask-based Python Server

I'm trying to make work a code that I found at this URL: http://code.runnable.com/UiIdhKohv5JQAAB6/how-to-download-a-file-generated-on-the-fly-in-flask-for-python My goal is to be

Solution 1:

The best way to solve this issue is to use the already predefined helper function send_file() in flask:

@app.route("/api/downloadlogfile/<path>")
def DownloadLogFile (path = None):
    if path is None:
        self.Error(400)
    try:
        return send_file(path, as_attachment=True)
    except Exception as e:
        self.log.exception(e)
        self.Error(400)