safe-returns
A decorator for converting the output type of a function into an algebraic data type, representing the function’s result and its possible exception types. This helps in tracking exception types and improves type-checker hints.
Install
pip install safe-returns
Uses
from safe import safe, Success, Failure
@safe @ ValueError | KeyError
def foo() -> int | str: ...
match foo():
case Success(value=int() as number):
print(f"It's int {number=}")
case Success(value=str() as string):
print(f"It's str {string=}")
case Failure(error=ValueError()):
print("Catch ValueError")
# reportMatchNotExhaustive warning – KeyError are not handled
Documentation
1 maintainer
Metadata
1 maintainer
Release files for safe-returns 0.2.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
|---|---|---|---|---|
| safe_returns-0.2.0.tar.gz | 54.0 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| safe_returns-0.2.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 60.1 kB
Release files / safe_returns-0.2.0.tar.gz
| Download URL | safe_returns-0.2.0.tar.gz |
|---|---|
| Size | 54.0 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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No |
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uv/0.5.5
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Release files / safe_returns-0.2.0-py3-none-any.whl
| Download URL | safe_returns-0.2.0-py3-none-any.whl |
|---|---|
| Size | 6.1 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
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| Upload date | |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
uv/0.5.5
|
Security for safe-returns 0.2.0
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None of the files in this release were uploaded with provenance metadata.
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