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# $Id$
# coding=utf-8
#
# Copyright Š 2007 Bruce Frederiksen
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
from __future__ import with_statement
import cPickle as pickle
import copy_reg
import contextlib
import functools
# This causes the family universal facts to be loaded as a byproduct of the
# import.
import family
#import example
#import example_fc
#import example_bc
import pyke
#import os.path
#engine = pyke.engine(os.path.abspath('.'), '/tmp')
#engine = pyke.engine(os.path.abspath('.'), 'subdir')
#engine = pyke.engine(os.path.abspath('.'))
#engine = pyke.engine('.', 'subdir')
#engine = pyke.engine('.', '/tmp')
engine = pyke.engine('.')
family.init(engine)
# To be able to pickle plans. (Not needed to unpickle).
copy_reg.pickle(functools.partial,
lambda p: (functools.partial, (p.func,) + p.args))
def test():
global plan
engine.reset()
#family = engine.get_kb('family')
#print "family: universal_facts:"
#family.dump_universal_facts()
#print
#print "family: case_specific_facts:"
#family.dump_specific_facts()
#print
engine.activate('example')
#print "family: universal_facts:"
#family.dump_universal_facts()
#print
#print "family: case_specific_facts:"
#family.dump_specific_facts()
#print
test_pickle = False
print "doing proof"
for (ans,), plan in engine.prove_n('example', 'how_related', ('bruce',), 1):
#print "prove:", ans
print "bruce,", ans
#print "plan:", plan
if test_pickle:
print "pickling plan"
with contextlib.closing(file('plan_pickle', 'w')) as f:
pickle.dump(plan, f)
#print "executing plan"
print "plan ->", plan()
print
print "done"