57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
# Copyright (C) 2015 Yahoo! Inc. All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import wrapt
|
|
|
|
from inspect import signature
|
|
|
|
from debtcollector import _utils
|
|
|
|
_KWARG_UPDATED_POSTFIX_TPL = (', please update the code to explicitly set %s '
|
|
'as the value')
|
|
_KWARG_UPDATED_PREFIX_TPL = ('The %s argument is changing its default value '
|
|
'to %s')
|
|
|
|
|
|
def updated_kwarg_default_value(name, old_value, new_value, message=None,
|
|
version=None, stacklevel=3,
|
|
category=FutureWarning):
|
|
|
|
"""Decorates a kwarg accepting function to change the default value"""
|
|
|
|
prefix = _KWARG_UPDATED_PREFIX_TPL % (name, new_value)
|
|
postfix = _KWARG_UPDATED_POSTFIX_TPL % old_value
|
|
out_message = _utils.generate_message(
|
|
prefix, postfix=postfix, message=message, version=version)
|
|
|
|
def decorator(f):
|
|
sig = signature(f)
|
|
varnames = list(sig.parameters.keys())
|
|
|
|
@wrapt.decorator
|
|
def wrapper(wrapped, instance, args, kwargs):
|
|
explicit_params = set(
|
|
varnames[:len(args)] + list(kwargs.keys())
|
|
)
|
|
allparams = set(varnames)
|
|
default_params = set(allparams - explicit_params)
|
|
if name in default_params:
|
|
_utils.deprecation(out_message,
|
|
stacklevel=stacklevel, category=category)
|
|
return wrapped(*args, **kwargs)
|
|
|
|
return wrapper(f)
|
|
|
|
return decorator
|