swap-exceptions
Python utility decorator and context manager for swapping exceptions.
Basic Usage
As a decorator:
from swap_exceptions import swap_exceptions
@swap_exceptions({KeyError: ValueError("Incorrect value")})
def get_value(key: str):
d = {'a': 1, 'b': 2}
return d[key]
get_value('c') # ValueError: Incorrect value
Or as a context manager:
from swap_exceptions import swap_exceptions
def get_value(key: str):
d = {'a': 1, 'b': 2}
with swap_exceptions({KeyError: ValueError("Incorrect value")}):
return d[key]
get_value('c') # ValueError: Incorrect value
Advanced Usage
Mapping key can also be a tuple:
from swap_exceptions import swap_exceptions
@swap_exceptions({(KeyError, TypeError): ValueError("Incorrect value")})
def get_value(key: str):
d = {'a': 1, 'b': 2, 'c': 'not a number'}
return d[key] + 10
get_value('c') # ValueError: Incorrect value
Mapping value can also be a factory that generates the exception:
from swap_exceptions import swap_exceptions
@swap_exceptions({KeyError: lambda e: ValueError(f"Incorrect value {e.args[0]}")})
def get_value(key: str):
d = {'a': 1, 'b': 2}
return d[key]
get_value('c') # ValueError: Incorrect value c
1 maintainer
Metadata
1 maintainer
Release files for swap-exceptions 1.0.2
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Source distribution (sdist)
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| swap-exceptions-1.0.2.tar.gz | 3.5 kB | Details |
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|---|---|---|---|---|
| swap_exceptions-1.0.2-py2.py3-none-any.whl | Python 2, Python 3 | none | any | Details |
Total release size: 6.9 kB
Release files / swap-exceptions-1.0.2.tar.gz
| Download URL | swap-exceptions-1.0.2.tar.gz |
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Release files / swap_exceptions-1.0.2-py2.py3-none-any.whl
| Download URL | swap_exceptions-1.0.2-py2.py3-none-any.whl |
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