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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 = 20601
number = 7
visible = True
solution = '''\
def family_tree(family):
tree = {}
for parent, child in family:
if parent not in tree:
tree[parent] = []
tree[parent].append(child)
return tree
'''
hint_type = {
'final_hint': Hint('final_hint')
}
def test(python, code):
func_name = 'family_tree'
tokens = get_tokens(code)
if not has_token_sequence(tokens, ['def', func_name]):
return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
tree = {
'alice': ['mary', 'tom', 'judy'],
'bob': ['mary', 'tom', 'judy'],
'ken': ['suzan'],
'renee': ['rob', 'bob'],
'rob': ['jim'],
'sid': ['rob', 'bob'],
'tom': ['ken']}
in_out = [
([('bob', 'mary')], {'bob':['mary']}),
([('bob', 'mary'), ('bob', 'tom')], {'bob':['mary','tom']}),
([], {}),
([('bob','mary'),('mary','ken'),('alice','mary')],
{'bob':['mary'], 'mary':['ken'], 'alice':['mary']}),
([('bob','mary'), ('bob', 'tom'), ('bob', 'judy'), ('alice', 'mary'),
('alice', 'tom'), ('alice', 'judy'),('renee', 'rob'), ('renee', 'bob'),
('sid', 'rob'), ('sid', 'bob'),('tom', 'ken'), ('ken', 'suzan'),
('rob', 'jim')],tree)
]
test_in = [(func_name+'(%s)'%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)):
n_correct += dict(ans[0]) == to
if dict(ans[0]) != to:
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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