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authorMartin Možina <martin.mozina@fri.uni-lj.si>2015-10-14 18:08:44 +0200
committerMartin Možina <martin.mozina@fri.uni-lj.si>2015-10-14 18:08:44 +0200
commit531bde7a2fe3d643e9b6ffe690405b6cc07c4964 (patch)
tree9fcdd54ec25cacc32cd5aaacfb731c174278fab8 /robot/problems/introduction/square20/common.py
parent1b936a961e39b2a71b5a773776474446f0c58447 (diff)
parentb1deb24a05a380450ed9dc77c3155a16bd204dfc (diff)
Merge branch 'master' of 192.168.15.97:codeq-problems
Diffstat (limited to 'robot/problems/introduction/square20/common.py')
-rw-r--r--robot/problems/introduction/square20/common.py76
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diff --git a/robot/problems/introduction/square20/common.py b/robot/problems/introduction/square20/common.py
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+++ b/robot/problems/introduction/square20/common.py
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+# coding=utf-8
+
+from python.util import has_token_sequence, string_almost_equal, \
+ string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint, HintSequence
+
+id = 213
+group = 'introduction'
+number = 4
+visible = True
+
+solution = '''\
+from ev3dev import *
+from mindstorms_widgets import mindstorms_widgets
+
+robot = mindstorms_widgets()
+robot.connect_motor( 'left' )
+robot.connect_motor( 'right' )
+
+turntime = .95
+robot.move_steering( 'on_for_seconds', direction=0, power=20, seconds=2 )
+robot.move_tank( 'on_for_seconds', lr_power=[20,-20], seconds=turntime )
+robot.move_steering( 'on_for_seconds', direction=0, power=20, seconds=2 )
+robot.move_tank( 'on_for_seconds', lr_power=[20,-20], seconds=turntime )
+robot.move_steering( 'on_for_seconds', direction=0, power=20, seconds=2 )
+robot.move_tank( 'on_for_seconds', lr_power=[20,-20], seconds=turntime )
+robot.move_steering( 'on_for_seconds', direction=0, power=20, seconds=2 )
+robot.move_tank( 'on_for_seconds', lr_power=[20,-20], seconds=turntime )
+'''
+
+hint_type = {
+ 'mW_init': Hint('mW_init'),
+ 'connectMotorLeft': Hint('connectMotorLeft'),
+ 'connectMotorRight': Hint('connectMotorRight'),
+ 'moveSteering': Hint('moveSteering'),
+ 'onForSeconds': Hint('onForSeconds'),
+ 'direction': Hint('direction'),
+ 'seconds': Hint('seconds'),
+ 'moveTank': Hint('moveTank'),
+ 'lrPower': Hint('lrPower')
+}
+
+def hint( code):
+ tokens = get_tokens(code)
+
+ # if code does not include mindstorms_widgets(), a student gets a hint that the robot should be somehow represented in the program
+ if not has_token_sequence(tokens, ['mindstorms_widgets', '(',')']):
+ return [{'id': 'mW_init'}]
+
+ # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
+ if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['left']):
+ return [{'id': 'connectMotorLeft'}]
+
+ # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
+ if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['right']):
+ return [{'id': 'connectMotorRight'}]
+
+ if not has_token_sequence(tokens, ['move_steering']):
+ return [{'id': 'moveSteering'}]
+
+ if not 'on_for_seconds' in code:
+ return [{'id': 'onForSeconds'}]
+
+ if not 'direction' in code:
+ return [{'id': 'direction'}]
+
+ if not 'seconds' in code:
+ return [{'id': 'seconds'}]
+
+ if not has_token_sequence(tokens, ['move_tank']):
+ return [{'id': 'moveTank'}]
+
+ if not 'lr_power' in code:
+ return [{'id': 'lrPower'}]
+
+ return None