/usr/lib/python3/dist-packages/debtcollector/updating.py is in python3-debtcollector 1.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# 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 six
import wrapt
if six.PY3:
import inspect
Parameter = inspect.Parameter
Signature = inspect.Signature
get_signature = inspect.signature
else:
# Provide an equivalent but use funcsigs instead...
import funcsigs
Parameter = funcsigs.Parameter
Signature = funcsigs.Signature
get_signature = funcsigs.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 = get_signature(f)
varnames = list(six.iterkeys(sig.parameters))
@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
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