With Flask-OpenID there's a really nice OpenID module for the Flask framework. However, facebook only supports FBconnect and no real OpenID.
I'm looking for a modified version of Flask-OpenID (if one exists) which supports FBconnect or a library doing FBconnect authentication in a similar way as Flask-OpenID.
The Flask-OAuth extension supports Facebook authentication:
facebook = oauth.remote_app('facebook',
base_url='https://graph.facebook.com/',
request_token_url=None,
access_token_url='/oauth/access_token',
authorize_url='https://www.facebook.com/dialog/oauth',
consumer_key=FACEBOOK_APP_ID,
consumer_secret=FACEBOOK_APP_SECRET,
request_token_params={'scope': 'email'}
)
Here's a full Facebook example: https://github.com/mitsuhiko/flask-oauth/blob/master/example/facebook.py