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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, \
all_tokens, has_comprehension, has_loop, almost_equal, get_ast
from server.hints import Hint
id = 20803
number = 3
visible = True
solution = '''\
def youngest(name):
xs = [(age[name], name)]
for c in children[name]:
xs.append(youngest(c))
return min(xs)
'''
hint_type = {
'final_hint': Hint('final_hint')
}
precode = """
children = {
"Adam": ["Matjaž", "Cilka", "Daniel", "Erik"],
"Aleksander": [],
"Alenka": [],
"Barbara": [],
"Cilka": [],
"Daniel": ["Elizabeta", "Hans"],
"Erik": [],
"Elizabeta": ["Ludvik", "Jurij", "Barbara", "Herman", "Mihael"],
"Franc": [],
"Herman": ["Margareta"],
"Hans": [],
"Jožef": ["Alenka", "Aleksander", "Petra"],
"Jurij": ["Franc", "Jožef"],
"Ludvik": [],
"Margareta": [],
"Matjaž": ["Viljem"],
"Mihael": [],
"Petra": [],
"Tadeja": [],
"Viljem": ["Tadeja"],
}
age = {
"Adam": 111, "Matjaž": 90, "Cilka": 88, "Daniel": 85, "Erik": 83,
"Viljem": 58, "Tadeja": 20, "Elizabeta": 67, "Hans": 64, "Ludvik": 50,
"Jurij": 49, "Barbara": 45, "Herman": 39, "Mihael": 32, "Franc": 30,
"Jožef": 29, "Margareta": 10, "Alenka": 5, "Aleksander": 7, "Petra": 9
}"""
def test(python, code):
code = precode + "\n" + code
func_name = 'youngest'
tokens = get_tokens(code)
if not has_token_sequence(tokens, ['def', func_name]):
return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
in_out = [
('Hans', (64, 'Hans')),
('Daniel', (5, 'Alenka')),
('Herman', (10, 'Margareta')),
('Viljem', (20, 'Tadeja')),
('Aleksander', (7, 'Aleksander')),
('Adam', (5, 'Alenka'))
]
test_in = [('{0}("{1}")'.format(func_name, str(l[0])), None)
for l in in_out]
test_out = [l[1] for l in in_out]
answers = python(code=code, inputs=test_in, timeout=1.0)
n_correct = 0
tin, tout = None, None
for i, (ans, to) in enumerate(zip(answers, test_out)):
res = ans[0]
corr = res == to
n_correct += corr
if not corr:
tin = test_in[i][0]
tout = to
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):
tokens = get_tokens(code)
# run one test first to see if there are any exceptions
answer = python(code=code, inputs=[(None, None)], timeout=1.0)
exc = get_exception_desc(answer[0][3])
if exc: return exc
return None
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