sphinx/sphinx/deprecation.py
2020-01-01 11:15:42 +09:00

79 lines
2.4 KiB
Python

"""
sphinx.deprecation
~~~~~~~~~~~~~~~~~~
Sphinx deprecation classes and utilities.
:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import sys
import warnings
from importlib import import_module
from typing import Any, Dict
from typing import Type # for python3.5.1
class RemovedInSphinx30Warning(DeprecationWarning):
pass
class RemovedInSphinx40Warning(PendingDeprecationWarning):
pass
RemovedInNextVersionWarning = RemovedInSphinx30Warning
def deprecated_alias(modname: str, objects: Dict, warning: Type[Warning]) -> None:
module = import_module(modname)
sys.modules[modname] = _ModuleWrapper(module, modname, objects, warning) # type: ignore
class _ModuleWrapper:
def __init__(self, module: Any, modname: str, objects: Dict, warning: Type[Warning]
) -> None:
self._module = module
self._modname = modname
self._objects = objects
self._warning = warning
def __getattr__(self, name: str) -> Any:
if name in self._objects:
warnings.warn("%s.%s is deprecated. Check CHANGES for Sphinx "
"API modifications." % (self._modname, name),
self._warning, stacklevel=3)
return self._objects[name]
return getattr(self._module, name)
class DeprecatedDict(dict):
"""A deprecated dict which warns on each access."""
def __init__(self, data: Dict, message: str, warning: Type[Warning]) -> None:
self.message = message
self.warning = warning
super().__init__(data)
def __setitem__(self, key: str, value: Any) -> None:
warnings.warn(self.message, self.warning, stacklevel=2)
super().__setitem__(key, value)
def setdefault(self, key: str, default: Any = None) -> Any:
warnings.warn(self.message, self.warning, stacklevel=2)
return super().setdefault(key, default)
def __getitem__(self, key: str) -> None:
warnings.warn(self.message, self.warning, stacklevel=2)
return super().__getitem__(key)
def get(self, key: str, default: Any = None) -> Any:
warnings.warn(self.message, self.warning, stacklevel=2)
return super().get(key, default)
def update(self, other: Dict = None) -> None: # type: ignore
warnings.warn(self.message, self.warning, stacklevel=2)
super().update(other)