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ChuckandClaude Opus 5.5
47b56182e4
35 methods on CacheManager, DisplayManager, FontManager and PluginManager have no caller in core, the ledmatrix-plugins monorepo or the registry's third-party plugins, but plugins live elsewhere, so they stay for one release. src.deprecation.deprecated logs a warning (and emits a DeprecationWarning) the first time each is called in a process, naming the release that removes it. The list and replacements are in CHANGELOG and PLUGIN_API_REFERENCE's new Deprecated APIs section; a test pins the set. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
"""Marking plugin-facing core APIs for removal.
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Plugins live in other repositories, so a method nothing in core calls may
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still be called by a plugin nobody has checked. Such methods get
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``@deprecated`` for one release before they are removed: the first call in a
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process logs a warning naming the method and the release that removes it
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(visible in ``journalctl -u ledmatrix``), and emits a DeprecationWarning for
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tooling.
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"""
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import functools
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import threading
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import warnings
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from typing import Callable, Optional, TypeVar
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from src.logging_config import get_logger
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logger = get_logger(__name__)
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F = TypeVar("F", bound=Callable)
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_warned = set()
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_warned_lock = threading.Lock()
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def deprecated(removal: str, alternative: Optional[str] = None) -> Callable[[F], F]:
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"""Decorate a function or method that will be removed in ``removal``."""
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def decorate(func: F) -> F:
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message = f"{func.__qualname__}() is deprecated and will be removed in LEDMatrix {removal}"
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if alternative:
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message += f"; {alternative}"
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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with _warned_lock:
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first = func.__qualname__ not in _warned
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_warned.add(func.__qualname__)
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if first:
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logger.warning(message)
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warnings.warn(message, DeprecationWarning, stacklevel=2)
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return func(*args, **kwargs)
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wrapper.__deprecated__ = message
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return wrapper # type: ignore[return-value]
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return decorate
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