def random_plan(self):
p = Plan()
# Choose start condition AND INSTANTIATE IT:
start_condition = random.choice(p.Conditionals)()
start_condition.height = 1
p.action = start_condition
p.this_conditionals.append(start_condition)
done = False
while not done:
done = True
# Update conditionals if not marked (marked = already dealt with)
# and stop when hitting the max depth
for c in p.this_conditionals:
if c.marked == 0:
done = False
c.marked = 1
# Add a random expression:
expression = random.choice(p.Expressions)()
expression.obs1 = random.choice(p.Observations)
expression.obs2 = random.choice(p.Observations)
expression.depth = c.depth + 1
expression.marked = 1
expression.set_map(p)
c.expression = expression
# Must add terminal actions if we hit the max depth (minus 2)
if c.depth == self.max-2:
for key in c.options.keys():
axn = random.choice(p.Actions)
axn.depth = c.depth + 1
c.options[key] = axn
# Otherwise, we can add either a terminal action OR another conditional:
else:
for key in c.options.keys():
condition_or_action = random.random()
if condition_or_action < .5:
new_c = random.choice(p.Conditionals)()
new_c.depth = c.depth + 1
c.options[key] = new_c
p.this_conditionals.append(new_c)
else:
c.options[key] = random.choice(p.Actions)
return p
