.. |b-pypi| image:: https://img.shields.io/pypi/v/legacy-api-wrap.svg :target: https://pypi.org/project/legacy-api-wrap .. |b-codecov| image:: https://codecov.io/gh/flying-sheep/legacy-api-wrap/graph/badge.svg :target: https://codecov.io/gh/flying-sheep/legacy-api-wrap
This module defines a decorator to wrap legacy APIs. The primary use case is APIs defined before keyword-only parameters existed.
from legacy_api_wrap import legacy_api
We have a function with many positional parameters lying around:
def fn(a, b=None, d=1, c=2): ... return c, d, e
We want to convert the positional parameters d and c to keyword-only,
change their order and add a parameter. For this we only need to specify name
and order of the old positional parameters in the decorator.
@legacy_api('d', 'c') ... def fn(a, b=None, *, c=2, d=1, e=3): ... return c, d, e
After adding the decorator, users can keep calling the old API and get a
DeprecationWarning:
fn(12, 13, 14) == (2, 14, 3) True
FAQs
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We found that legacy-api-wrap demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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