Flask Notes

# https://stackoverflow.com/questions/38048355/large-file-upload-in-flask
# https://stackoverflow.com/questions/15040706/streaming-file-upload-using-bottle-or-flask-or-similar

@app.route("/upload/<filename>", methods=["POST", "PUT"])
def upload_process(filename):
    filename = secure_filename(filename)
    filepath_full = os.path.join(application.config['UPLOAD_FOLDER'], filename)
    with open(filepath_full, "wb") as f:
        chunk_size = 4096
        while True:
            chunk = flask.request.stream.read(chunk_size)
            if len(chunk) == 0:
                return

            f.write(chunk)
    return jsonify({'filename': filename})