from rulu.engine import RuleEngine
engine = RuleEngine()
# Load the data model and rules
engine.load_module('family')
# Add input facts
engine.assert_('IsFatherOf', father='Adam', son='Seth')
engine.assert_('IsFatherOf', father='Seth', son='Enos')
engine.assert_('IsFatherOf', father='Enos', son='Kenan')
engine.assert_('IsFatherOf', father='Kenan', son='Mahalalel')
# This is where the magic happens
engine.run()
# Print output facts
for fact in engine.get_facts('IsGrandfatherOf'):
print '{} is the {}grandfather of {}.'.format(fact.grandfather,
'great-' * fact.greatness,
fact.grandson)
def _make_engine(self, ruledef):
engine = RuleEngine()
engine.load_module(ruledef, ruledefs)
return engine
def setUp(self):
self.engine = RuleEngine()
self.engine.load_module('family', ruledefs)
self.engine.load(resource_filename(inputs.__name__, 'fathers.txt'))