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# coding=utf-8
from python.util import has_token_sequence
from server.hints import Hint, HintSequence
id = 190
group = 'introduction'
number = 2
visible = True
solution = '''\
from time import time
zacetek = time()
rezultat = float(input("Koliko je 7*6? "))
konec = time()
cas = koneczacetek
print ("Porabil si ", cas, "s.")
'''
hint_type = {
'plan': Hint('plan'),
'name_error': HintSequence('name_error', 4),
'type_error': HintSequence('name_error', 4),
'error': HintSequence('error', 2),
'time': Hint('time'),
'time_diff': Hint('time_diff'),
}
def test(python, code):
return 0, 0
def hint(python, code):
# run one test first to see if there are any exceptions
test_in = [(None, '5\n')]
answer = python(code=code, inputs=test_in, timeout=2.0)
exc = answer[0][3]
# if have an exception!
if exc:
if 'NameError' in exc:
return [{'id':'name_error', 'args': {'message': exc}}]
elif 'TypeError' in exc:
return [{'id':'type_error', 'args': {'message': exc}}]
else:
return [{'id':'error', 'args': {'message': exc}}]
# First: if student does not import time, tell him about that module
if not has_token_sequence(code, ['time']):
return [{'id': 'time'}]
# show plan if student is lost
# a) empty progam or
# b) there is not input (we can do it here, since we have no input hint)
if len(code.strip()) < 5 or (not has_token_sequence(code, ['input'])):
return [{'id': 'plan'}]
# Student will have to compute time difference and they will need
# the substraction (-) operator to do this. Check for the minus operator.
if not has_token_sequence(code, ['-']):
return [{'id' : 'time_diff'}]
return None
|
