def start_test(self, challenge):
vals = self.parseChallenge(challenge)
if 'd1' not in vals or 'd2' not in vals:
raise CourseraException(
"Unknown challenge format. Please contact developers for assistance."
)
d1 = vals['d1']
d2 = vals['d2']
from supervisors.week2 import QuickBotSupervisor
from robots.quickbot import QuickBot, QuickBot_IRSensor
from pose import Pose
bot = QuickBot(Pose())
sensor = QuickBot_IRSensor(Pose(), bot)
id1 = sensor.distance_to_value(d1)
id2 = sensor.distance_to_value(d2)
info = bot.get_info()
info.color = 0
s = QuickBotSupervisor(Pose(), info)
# Just in case a student iterates in a weird way
s.robot.ir_sensors.readings = [id1, id2, id1, id2, id1]
ird = s.get_ir_distances()
self.testsuite.respond("{:0.3f},{:0.3f}".format(
abs((d1 - ird[0]) / d1), abs((d2 - ird[1]) / d2)))
def start_test(self, challenge):
m = self.RX.match(challenge)
if m is None:
raise CourseraException(
"Unknown challenge format. Please contact developers for assistance."
)
try:
d1 = float(m.group('d1'))
d2 = float(m.group('d2'))
except ValueError:
raise CourseraException(
"Unknown challenge format. Please contact developers for assistance."
)
from supervisors.week2 import QuickBotSupervisor
from robots.quickbot import QuickBot, QuickBot_IRSensor
from pose import Pose
bot = QuickBot(Pose())
sensor = QuickBot_IRSensor(Pose(), bot)
id1 = sensor.distance_to_value(d1)
id2 = sensor.distance_to_value(d2)
info = bot.get_info()
info.color = 0
s = QuickBotSupervisor(Pose(), info)
# Just in case a student iterates in a weird way
s.robot.ir_sensors.readings = [id1, id2, id1, id2, id1]
ird = s.get_ir_distances()
self.testsuite.respond("{:0.3f},{:0.3f}".format(
abs((d1 - ird[0]) / d1), abs((d2 - ird[1]) / d2)))