OCR-D /
core
| Total Complexity | 5 |
| Total Lines | 30 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | import functools |
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| 2 | import warnings |
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| 3 | |||
| 4 | """ |
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| 5 | https://stackoverflow.com/questions/49802412/how-to-implement-deprecation-in-python-with-argument-alias |
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| 6 | by user2357112 supports Monica |
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| 7 | """ |
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| 8 | |||
| 9 | def deprecated_alias(**aliases): |
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| 10 | """ |
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| 11 | Deprecate a kwarg in favor of another kwarg |
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| 12 | """ |
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| 13 | def deco(f): |
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| 14 | @functools.wraps(f) |
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| 15 | def wrapper(*args, **kwargs): |
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| 16 | rename_kwargs(f.__name__, kwargs, aliases) |
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| 17 | return f(*args, **kwargs) |
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| 18 | return wrapper |
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| 19 | return deco |
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| 20 | |||
| 21 | def rename_kwargs(func_name, kwargs, aliases): |
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| 22 | for alias, new in aliases.items(): |
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| 23 | if alias in kwargs: |
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| 24 | if new in kwargs: |
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| 25 | raise TypeError('{} received both {} and {}'.format( |
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| 26 | func_name, alias, new)) |
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| 27 | warnings.warn('{} is deprecated; use {}'.format(alias, new), |
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| 28 | DeprecationWarning) |
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| 29 | kwargs[new] = kwargs.pop(alias) |
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| 30 |
