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import re
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
id = 204
number = 20
visible = True
solution = '''\
n = int(input('Vnesi število: '))
for i in range(1, n+1):
if n % i == 0:
print(i)
'''
hint_type = {
'input_clause': Hint('input_clause'),
'range_function': Hint('range_function'),
'printing': Hint('printing'),
'divisor': Hint('divisor'),
'final_hint': Hint('final_hint'),
'zero_division': Hint('zero_division'),
'last_number': Hint('last_number'),
}
def test(python, code, aux_code=''):
test_in = [
(None, '8\n'),
(None, '6\n'),
(None, '5\n'),
(None, '2\n'),
(None, '15\n'),
(None, '20\n'),
]
values = [8, 6, 5, 2, 15, 20]
# List of outputs: (expression result, stdout, stderr, exception).
answers = python(code=aux_code+code, inputs=test_in, timeout=1.0)
outputs = [ans[1] for ans in answers]
n_correct, tin = 0, None
for i, (output, v) in enumerate(zip(outputs, values)):
correct = True
clist = []
nums = get_numbers(output)
for vi in range(1, v+1):
if v%vi == 0:
clist.append(vi)
if v%vi == 0 and vi not in nums:
correct = False
if v%vi != 0 and vi in nums:
correct = False
if correct:
n_correct += 1
else:
tin = test_in[i][1]
tout = clist
passed = n_correct == len(test_in)
hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
if tin:
hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
if passed:
hints.append({'id': 'final_hint'})
return passed, hints
def hint(python, code, aux_code=''):
# run one test first to see if there are any exceptions
answer = python(code=aux_code+code, inputs=[(None, '8\n')], timeout=1.0)
exc = get_exception_desc(answer[0][3])
if exc:
if 'ZeroDivisionError' in answer[0][3]:
return [{'id' : 'zero_division', 'args': {'message': answer[0][3]}}]
else:
return exc
tokens = get_tokens(code)
# if has no input, tell him how to ask questions
if not has_token_sequence(tokens, ['input']):
return [{'id' : 'input_clause'}]
# if it has no range, explain how we can create a list (generator) from a number
if not has_token_sequence(tokens, ['range']):
return [{'id' : 'range_function'}]
# if it has no print function, tell him to use print
if not has_token_sequence(tokens, ['print']):
return [{'id' : 'printing'}]
# if it has no divisoin-by-modulo operator, explain that operator
if not has_token_sequence(tokens, ['%']):
return [{'id' : 'divisor'}]
# if the program prints all divisors but 8,
# it means that is skips itself
nums = get_numbers(answer[0][1])
if 1 in nums and 2 in nums and 4 in nums and 8 not in nums:
return [{'id' : 'last_number'}]
return None
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