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Project description

Muffin-Session – Implement an user sessions in Muffin Framework.

Build Status


  • python >= 3.3


Muffin-Session should be installed using pip:

pip install muffin-session


  • Add muffin_session to PLUGINS in your Application configuration.
  • Setup options if needed (see bellow).


SESSION_AUTO_LOAD – Load session every request automatically Session will be loaded into request.session.

SESSION_DEFAULT_USER_CHECKER – A function which checks logged user (lambda x: x)

SESSION_LOGIN_URL – Redirect URL (‘/login’), or it may be a function which accepts request object and returns a string.

SESSION_SECRET – A secret code (‘Insecuresecret’)

SESSION_MAX_AGE – # Defines the lifetime of the session-cookie, in seconds

SESSION_DOMAIN – # Defines session-cookie domain

def load_user(_id):
    """Define your own user loader. """

def get_session(request):
    """ Load session and return it as JSON. """
    session = yield from
    return dict(session)

@app.register('/admin') u: u.is_admin)
def admin(request):
    """ Check for user is admin. """

def login(request):
    """ Login user. """
    # ...
    yield from

def logout(request):
    """ Logout user. """
    # ...
    yield from

def somewhere(request):
    """ Do something and leave a flash message """
    # ...
    yield from'Something done successfully')

def common_page(request):
    This can be included in any endpoint which outputs regular page.
    If you use jinja2 or other templating engine,
    you will need to pass `request` to its context somehow.
    Also this plugin will register `get_flashed_messages` function in Jinja2 context,
    but only if Jinja2 plugin was loaded before this one.
    # first we want to ensure that session is loaded,
    yield from
    # this method is *not* a coroutine, so it can be used in templates
    messages =
    return (
        "<html><body><header>%s</header> Other content </body></html>" %

Bug tracker

If you have any suggestions, bug reports or annoyances please report them to the issue tracker at


Development of Muffin-Session happens at:


  • klen (Kirill Klenov)


Licensed under a MIT license.

If you wish to express your appreciation for the project, you are welcome to send a postcard to:

Kirill Klenov
pos. Severny 8-3
MO, Istra, 143500

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