pytorch/torch/fx/_compatibility.py
James Reed 538647fe1f [WIP][FX] BC guarantees for 1.10 (#63888)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/63888

Test Plan: Imported from OSS

Reviewed By: pbelevich

Differential Revision: D30523133

Pulled By: jamesr66a

fbshipit-source-id: b04cc0d842a74862f42ecba98b757310cd2ec7b0
2021-08-30 19:56:46 -07:00

35 lines
1000 B
Python

from typing import Any, Dict
import textwrap
_BACK_COMPAT_OBJECTS : Dict[Any, None] = {}
_MARKED_WITH_COMATIBLITY : Dict[Any, None] = {}
def compatibility(is_backward_compatible : bool):
if is_backward_compatible:
def mark_back_compat(fn):
docstring = textwrap.dedent(getattr(fn, '__doc__', None) or '')
docstring += """
.. note::
Backwards-compatibility for this API is guaranteed.
"""
fn.__doc__ = docstring
_BACK_COMPAT_OBJECTS.setdefault(fn)
_MARKED_WITH_COMATIBLITY.setdefault(fn)
return fn
return mark_back_compat
else:
def mark_not_back_compat(fn):
docstring = textwrap.dedent(getattr(fn, '__doc__', None) or '')
docstring += """
.. warning::
This API is experimental and is *NOT* backward-compatible.
"""
fn.__doc__ = docstring
_MARKED_WITH_COMATIBLITY.setdefault(fn)
return fn
return mark_not_back_compat