72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
from __future__ import annotations
|
|
|
|
import warnings
|
|
|
|
from . import __version__
|
|
|
|
|
|
def deprecate(
|
|
deprecated: str,
|
|
when: int | None,
|
|
replacement: str | None = None,
|
|
*,
|
|
action: str | None = None,
|
|
plural: bool = False,
|
|
) -> None:
|
|
"""
|
|
Deprecations helper.
|
|
|
|
:param deprecated: Name of thing to be deprecated.
|
|
:param when: Pillow major version to be removed in.
|
|
:param replacement: Name of replacement.
|
|
:param action: Instead of "replacement", give a custom call to action
|
|
e.g. "Upgrade to new thing".
|
|
:param plural: if the deprecated thing is plural, needing "are" instead of "is".
|
|
|
|
Usually of the form:
|
|
|
|
"[deprecated] is deprecated and will be removed in Pillow [when] (yyyy-mm-dd).
|
|
Use [replacement] instead."
|
|
|
|
You can leave out the replacement sentence:
|
|
|
|
"[deprecated] is deprecated and will be removed in Pillow [when] (yyyy-mm-dd)"
|
|
|
|
Or with another call to action:
|
|
|
|
"[deprecated] is deprecated and will be removed in Pillow [when] (yyyy-mm-dd).
|
|
[action]."
|
|
"""
|
|
|
|
is_ = "are" if plural else "is"
|
|
|
|
if when is None:
|
|
removed = "a future version"
|
|
elif when <= int(__version__.split(".")[0]):
|
|
msg = f"{deprecated} {is_} deprecated and should be removed."
|
|
raise RuntimeError(msg)
|
|
elif when == 11:
|
|
removed = "Pillow 11 (2024-10-15)"
|
|
elif when == 12:
|
|
removed = "Pillow 12 (2025-10-15)"
|
|
else:
|
|
msg = f"Unknown removal version: {when}. Update {__name__}?"
|
|
raise ValueError(msg)
|
|
|
|
if replacement and action:
|
|
msg = "Use only one of 'replacement' and 'action'"
|
|
raise ValueError(msg)
|
|
|
|
if replacement:
|
|
action = f". Use {replacement} instead."
|
|
elif action:
|
|
action = f". {action.rstrip('.')}."
|
|
else:
|
|
action = ""
|
|
|
|
warnings.warn(
|
|
f"{deprecated} {is_} deprecated and will be removed in {removed}{action}",
|
|
DeprecationWarning,
|
|
stacklevel=3,
|
|
)
|