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| from typing import Any, Dict | |
| import textwrap | |
| _BACK_COMPAT_OBJECTS : Dict[Any, None] = {} | |
| _MARKED_WITH_COMPATIBILITY : 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_COMPATIBILITY.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_COMPATIBILITY.setdefault(fn) | |
| return fn | |
| return mark_not_back_compat | |