how to get static files in Flask without url_for('static', file_name='xxx')

python flask jinja2 static-files

You can set up your own route to serve static files. Add this method and update the static path directory in the send_from_directory method, then your img tag should work.

@app.route('/pic/<path:filename>')def send_pic(filename):    return send_from_directory('/path/to/static/files', filename)

For a production app, you should set up your server to serve static files directly. It would be much faster and use less server resources, but for a few users the difference shouldn't be a problem.