def _rename_kwargs(func_name: str, kwargs, aliases):
"""
Raise warnings or exceptions for deprecated arguments.
:param func_name: Name of the function.
:param kwargs: key word arguments from the function which is decorated.
:param aliases: kwargs with key as the deprecated arg name and value be a tuple, (new_name, deprecate_level).
"""
for alias, new_arg in aliases.items():
if not isinstance(new_arg, tuple):
raise ValueError(
f'{new_arg} must be a tuple, with first element as the new name, '
f'second element as the deprecated level: 0 as warning, 1 as exception'
)
if alias in kwargs:
new_name, dep_level = new_arg
if new_name in kwargs:
raise NotSupportedError(
f'{func_name} received both {alias} and {new_name}')
if dep_level == 0:
warnings.warn(
f'`{alias}` is renamed to `{new_name}` in `{func_name}()`, the usage of `{alias}` is '
f'deprecated and will be removed in the next version.',
DeprecationWarning,
)
kwargs[new_name] = kwargs.pop(alias)
elif dep_level == 1:
raise NotSupportedError(
f'{alias} has been renamed to `{new_name}`')
def rename_kwargs(func_name: str, kwargs, aliases):
for alias, new_arg in aliases.items():
if not isinstance(new_arg, tuple):
raise ValueError(f'{new_arg} must be a tuple, with first element as the new name, '
f'second element as the deprecated level: 0 as warning, 1 as exception')
if alias in kwargs:
new_name, dep_level = new_arg
if new_name in kwargs:
raise NotSupportedError(f'{func_name} received both {alias} and {new_name}')
if dep_level == 0:
warnings.warn(
f'`{alias}` is renamed to `{new_name}` in `{func_name}()`, the usage of `{alias}` is '
f'deprecated and will be removed in the next version.',
DeprecationWarning)
kwargs[new_name] = kwargs.pop(alias)
elif dep_level == 1:
raise NotSupportedError(f'{alias} has been renamed to `{new_name}`')