wrapper.py

def dbconnection(function):
    """Decorator for getting at the database connection.

    Use this to avoid having to access the global `config.db.store`
    attribute.  This calls the function with `store` as the first argument.
    """
    def wrapper(*args, **kws):
        # args[0] is self, if there is one.
        if len(args) > 0:
            return function(args[0], config.db.store, *args[1:], **kws)
        else:
            return function(config.db.store, **kws)
    return wrapper