When you register an handler you can customize all the ratings options, as seen in Using handlers.
But it is also possible to register an handler without overriding options or methods, and that handler will work using pre-defined global settings.
This section describes the settings used to globally customize ratings handlers, together with their default values.
GENERIC_RATINGS_ALLOW_ANONYMOUS = False
Set to False to allow votes only by authenticated users.
GENERIC_RATINGS_SCORE_RANGE = (1, 5)
A sequence of minimum and maximum values allowed in scores.
GENERIC_RATINGS_SCORE_STEP = 1
Step allowed in scores.
GENERIC_RATINGS_WEIGHT = 0
The weight used to calculate average score.
GENERIC_RATINGS_DEFAULT_KEY = 'main'
Default key to use for votes when there is only one vote-per-content.
GENERIC_RATINGS_NEXT_QUERYSTRING_KEY = 'next'
Querystring key that can contain the url of the redirection performed after voting.
GENERIC_RATINGS_VOTES_PER_IP_ADDRESS = 0
In case of anonymous users it is possible to limit votes per ip address (0 = no limits).
GENERIC_RATINGS_COOKIE_NAME_PATTERN = 'grvote_%(model)s_%(object_id)s_%(key)s'
The pattern used to create a cookie name.
GENERIC_RATINGS_COOKIE_MAX_AGE = 60 * 60 * 24 * 365 # one year
The cookie max age (number of seconds) for anonymous votes.