Python expr Examples

Example #1

File: postest8.py Project: ZainAhmadTaufik/sampleproject

from ai_pkg.planning import PlanningProblem , Action, goal_test
from ai_pkg.utils import expr

def double_tennis_problem():
	initial = 'At(A, LeftBaseLine) & At(B, RightNet) & Approaching(Ball, RightBaseLine) & Team(A, B) & Team(B, A)'
	goal = 'Returned(Ball) & At(a, RightNet) & At(a, LeftNet)'
	action = [Action('Hit(player, Ball, loc)', precond = 
			'Approaching(Ball, loc) & At(player, loc)', effect = 
			'Returned(Ball)'),
			Action('Go(player, to, loc)', precond = 'At(player, loc)', effect = 'At(player, to)'),
			Action('NoOp(player)', precond = '', effect = '')]

	return PlanningProblem(init = initial, goals = goal, actions = action)

if __name__ == '__main__':
	p = double_tennis_problem()
	print(goal_test(p.goals, p.init))

	solution = [expr("Go(A, LeftNet, LeftBaseLine)"),
				expr("NoOp(A)"),
				expr("Go(B, RightBaseLine, RightNet)"),
				expr("Hit(B, Ball, RightBaseLine)")]

	for action in solution:
		p.act(action)

	print(goal_test(p.goals, p.init))			

Example #2

File: untitled0.py Project: adityaaziz29/Aditya-Aziz-Saputra-1700018264

def double_tennis_problem():

    initial = 'At(A, LeftBaseLine) & At(B, RightNet) & Approaching(Ball, RightBaseLine) & Team(A, B) & Team(B, A)'
    goal = 'Returned(Ball) & At(a, RightNet) & At(a, LeftNet)'
    action = [
        Action('Hit(player, Ball, loc)',
               precond='Approaching(Ball, loc) & At(player, loc)',
               effect='Returned(Ball)'),
        Action('Go(player, to, loc)',
               precond='At(player, loc)',
               effect='At(player,to)')
    ]

    return PlanningProblem(init=initial, goals=goal, actions=action)


if __name__ == '__main__':

    p = double_tennis_problem()
    print(goal_test(p.goals, p.init))
    solution = [
        expr('Go(A, RightBaseLine, LeftBaseLine)'),
        expr('Hit(A, Ball, RightBaseLine)'),
    ]

    for action in solution:
        p.act(action)

    print(goal_test(p.goals, p.init))

Example #3

File: prak9.py Project: leeonka/Siti-Barkah-Pellu-1700018235

from ai_pkg.planning import PlanningProblem, Action, goal_test
from ai_pkg.utils import expr

def double_tennis_problem():

	initial = 'At(A, LeftBaseline) & At(B, RightNet) &Approaching(Ball, RighBaseLine) & Team(A,B) & Team (B,A)'
	goal = 'Returned(Ball) & At(a, RightNet) & At(a, LeftNet)'
	action = [Action('Hit(player, Ball, loc)',
		 precound='Approaching(Ball, loc) & At(player, loc)',
		 effect= 'Returned(Ball)')
	Action('Go(player, to, loc)',
		precound='At(player, loc)',
		effect='At(player, to)')]
	return PlanningProblem(init=initial,
		goals=goal,
		actions=action)

if __name__ == '__main__':
	p=double_tennis_problem()
	print(goal_test(p.goals, p.init))
	solution = [expr('Go(A, RighBaseLine, LeftBaseline'),
	expr('Hit(A, Ball, RighBaseLine)',)]

	for action in solution:
		p.act(action)
		print(goal_test(p.goals,p.init))