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98 lines
3.0 KiB
98 lines
3.0 KiB
"""
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sphinx.deprecation
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~~~~~~~~~~~~~~~~~~
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Sphinx deprecation classes and utilities.
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:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import sys
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import warnings
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from importlib import import_module
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from typing import Any, Dict
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if False:
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# For type annotation
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from typing import Type # for python3.5.1
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class RemovedInSphinx40Warning(DeprecationWarning):
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pass
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class RemovedInSphinx50Warning(PendingDeprecationWarning):
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pass
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class RemovedInSphinx60Warning(PendingDeprecationWarning):
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pass
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RemovedInNextVersionWarning = RemovedInSphinx40Warning
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def deprecated_alias(modname: str, objects: Dict[str, object],
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warning: "Type[Warning]", names: Dict[str, str] = None) -> None:
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module = import_module(modname)
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sys.modules[modname] = _ModuleWrapper( # type: ignore
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module, modname, objects, warning, names)
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class _ModuleWrapper:
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def __init__(self, module: Any, modname: str,
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objects: Dict[str, object],
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warning: "Type[Warning]",
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names: Dict[str, str]) -> None:
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self._module = module
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self._modname = modname
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self._objects = objects
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self._warning = warning
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self._names = names
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def __getattr__(self, name: str) -> Any:
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if name not in self._objects:
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return getattr(self._module, name)
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canonical_name = self._names.get(name, None)
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if canonical_name is not None:
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warnings.warn(
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"The alias '{}.{}' is deprecated, use '{}' instead. Check CHANGES for "
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"Sphinx API modifications.".format(self._modname, name, canonical_name),
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self._warning, stacklevel=3)
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else:
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warnings.warn("{}.{} is deprecated. Check CHANGES for Sphinx "
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"API modifications.".format(self._modname, name),
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self._warning, stacklevel=3)
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return self._objects[name]
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class DeprecatedDict(dict):
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"""A deprecated dict which warns on each access."""
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def __init__(self, data: Dict, message: str, warning: "Type[Warning]") -> None:
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self.message = message
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self.warning = warning
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super().__init__(data)
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def __setitem__(self, key: str, value: Any) -> None:
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warnings.warn(self.message, self.warning, stacklevel=2)
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super().__setitem__(key, value)
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def setdefault(self, key: str, default: Any = None) -> Any:
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warnings.warn(self.message, self.warning, stacklevel=2)
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return super().setdefault(key, default)
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def __getitem__(self, key: str) -> None:
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warnings.warn(self.message, self.warning, stacklevel=2)
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return super().__getitem__(key)
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def get(self, key: str, default: Any = None) -> Any:
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warnings.warn(self.message, self.warning, stacklevel=2)
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return super().get(key, default)
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def update(self, other: Dict) -> None: # type: ignore
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warnings.warn(self.message, self.warning, stacklevel=2)
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super().update(other)
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