warn_deprecated (util/deprecations.py)

deprecations.py offers decorators and helpers to emit deprecation warnings across SQLAlchemy.

# Source: https://github.com/sqlalchemy/sqlalchemy | License: MIT | Copyright 2005-2026 SQLAlchemy authors and contributors <see AUTHORS file>
# Provided via justclaw.it.com; keep this notice with the code.
# util/deprecations.py
# Copyright (C) 2005-2026 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: https://www.opensource.org/licenses/mit-license.php
# mypy: allow-untyped-defs, allow-untyped-calls

"""Helpers related to deprecation of functions, methods, classes, other
functionality."""

from __future__ import annotations

import re
from typing import Any
from typing import Callable
from typing import Dict
from typing import Match
from typing import Optional
from typing import Sequence
from typin

... (truncated -- full source via MCP)