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# test.py
from __future__ import with_statement
import sys
import types
from pyke import knowledge_engine
from pyke import krb_traceback
def init(*paths):
global Engine
Engine = knowledge_engine.engine(*paths)
def add_fact(fb, name, *args):
Engine.add_universal_fact(fb, name, args)
def tmp_fact(fb, name, *args):
Engine.add_case_specific_fact(fb, name, args)
def fc_test(*rb_names):
Engine.reset()
try:
for rb_name in rb_names:
Engine.activate(rb_name)
except:
krb_traceback.print_exc()
sys.exit(1)
def bc_test(rb_names, goal, num_return, args = (), rb_name = None,
plan_args = None, plan_kws = None):
Engine.reset()
try:
if isinstance(rb_names, types.StringTypes): rb_names = (rb_names,)
for rb_name in rb_names:
Engine.activate(rb_name)
if rb_name is None: rb_name = rb_names[0]
with Engine.prove_n(rb_name, goal, args, num_return) as gen:
for ret_args, plan in gen:
first = True
for ret_arg in ret_args:
if first: first = False
else: print ",",
print ret_arg,
print
if plan_args is None and plan_kws is None:
assert plan is None, "unexpected plan"
else:
assert plan is not None, "expected plan"
print "plan:"
if plan_args is None: ans = plan(**plan_kws)
elif plan_kws is None: ans = plan(*plan_args)
else: ans = plan(*plan_args, **plan_vars)
if ans is not None: print ans
except:
krb_traceback.print_exc()
sys.exit(1)