Предизвикателства > Безгрешен блок > Решения > Решението на Камелия Михайлова

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1 успешни теста
1 неуспешни теста
Код
Скрий всички коментари

 1class ProtectedSection:
 2    def __init__(self, log=(), suppress=()):
 3        self.log = log
 4        self.suppress = suppress
 5        self.exception = None
 6
 7    def __enter__(self):
 8        return self
 9
10    def __exit__(self, exc_type, exc_value, traceback):
11        if exc_type is None:
12            return False
13
14        if issubclass(exc_type, self.log):
15            self.exception = exc_value
16            return True
17
18        if issubclass(exc_type, self.suppress):
19            return True
20
21        return False
22
23with ProtectedSection(log=(ZeroDivisionError, IndexError)) as err:
24    x = 1 / 0
25
26print(err.exception)
27print(type(err.exception))
28
29with ProtectedSection(suppress=(ZeroDivisionError, IndexError)) as err:
30    x = 1 / 0
31
32print(err.exception)
33
34with ProtectedSection(log=(ZeroDivisionError, IndexError), suppress=(TypeError, ZeroDivisionError, Exception)) as err:
35    x = 1 / 0
36
37print(err.exception)
38print(type(err.exception))

division by zero
<class 'ZeroDivisionError'>
None
division by zero
<class 'ZeroDivisionError'>
.F
======================================================================
FAIL: test_special_cases (test.TestSolution.test_special_cases)
Test special cases to show you that you missed something.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/tmp/test.py", line 128, in test_special_cases
self.assertIsNone(cm.exception)
AssertionError: ZeroDivisionError('division by zero') is not None

----------------------------------------------------------------------
Ran 2 tests in 0.001s

FAILED (failures=1)

Дискусия
История
Това решение има само една версия.