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MongoDB panel for the Flask Debug Toolbar

Project description


An extension panel for Matt Good’s Flask-DebugToolbar that adds MongoDB debugging information


Bruno Carlin (,


This is a port of the MongoDB addon to the Django Debug Toolbar written by Harry Marr (,

There existed another port ( that was neither up-to-date nor operational (there are still imports from django).

Here is a clean port that I intend to maintain current with Harry Marr’s original work, and occasionnally augment with new features if needed.

All the thanks go to Harry!


First, you need to get the package. Install it with pip:

pip install flask-debugtoolbar-mongo

Somewhere after you’ve set app.debug = True and before, you need to specify the flask_debugtoolbar panels that you want to use and include 'flask_debugtoolbar_mongo.panels.MongoDebugPanel' in that list.

For example, here’s a small flask app with the panel installed and with line profiling enabled for the hello_world:

from flask import Flask
app = Flask(__name__)

import flask_debugtoolbar

def hello_world():
    return 'Hello World')

if __name__ == '__main__':
    app.debug = True

    # Specify the debug panels you want
    app.config['DEBUG_TB_PANELS'] = [
        # Add the MongoDB panel
    toolbar = flask_debugtoolbar.DebugToolbarExtension(app)

Flask-debugtoolbar-mongo accepts the following configration options:

app.config['DEBUG_TB_MONGO'] = {

Obtaining stack traces can slow down queries significantly. You can turn them off by setting this option to False.


Hides Flask calls from the stacktrace.

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