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
|
"""
This module provides utility functions for raising and reraising exceptions.
Functions:
raise_exception(exception_class, *args, **kwargs):
Returns a function that raises an exception of the given type with
the given arguments.
reraise(*args, **kwargs):
Reraises the current exception.
"""
from . import types
def raise_exception(
exception_class: types.Type[Exception],
*args: types.Any,
**kwargs: types.Any,
) -> types.Callable[..., None]:
"""
Returns a function that raises an exception of the given type with the
given arguments.
>>> raise_exception(ValueError, 'spam')('eggs')
Traceback (most recent call last):
...
ValueError: spam
"""
def raise_(*args_: types.Any, **kwargs_: types.Any) -> types.Any:
raise exception_class(*args, **kwargs)
return raise_
def reraise(*args: types.Any, **kwargs: types.Any) -> types.Any:
"""
Reraises the current exception.
This function seems useless, but it can be useful when you need to pass
a callable to another function that raises an exception.
"""
raise
|
