1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
"""Check that __exit__ special method accepts 3 arguments """
# pylint: disable=too-few-public-methods, invalid-name
__revision__ = 0
class FirstGoodContextManager(object):
""" 3 arguments """
def __enter__(self):
return self
def __exit__(self, exc_type, value, tb):
pass
class SecondGoodContextManager(object):
""" 3 keyword arguments """
def __enter__(self):
return self
def __exit__(self, exc_type=None, value=None, tb=None):
pass
class ThirdGoodContextManager(object):
""" 1 argument and variable arguments """
def __enter__(self):
return self
def __exit__(self, exc_type, *args):
pass
class FirstBadContextManager(object):
""" 1 argument """
def __enter__(self):
return self
def __exit__(self, exc_type):
pass
class SecondBadContextManager(object):
""" Too many arguments """
def __enter__(self):
return self
def __exit__(self, exc_type, value, tb, stack):
pass
|
