This reverts commit 54fcef9887.
Please do not submit unrelated docs and codes in the same commit. I am reverting this commit so that the related files can be submitted in better-organized future commits.
140 lines
4.1 KiB
Python
140 lines
4.1 KiB
Python
# Copyright 2026 Google LLC
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import asyncio
|
|
from collections.abc import Awaitable, Callable
|
|
from functools import wraps
|
|
import inspect
|
|
from typing import Any, TypeVar, cast, overload
|
|
|
|
R = TypeVar("R")
|
|
|
|
|
|
def wrap_with_callbacks_sync(
|
|
fn: Callable[..., R],
|
|
*,
|
|
before: Callable[..., None] | None = None,
|
|
on_success: Callable[[R], None] | None = None,
|
|
on_failure: Callable[[Exception], None] | None = None,
|
|
suppress_exceptions: bool = False,
|
|
) -> Callable[..., R]:
|
|
@wraps(fn)
|
|
def wrapper(*args: Any, **kwargs: Any) -> R:
|
|
if before:
|
|
before()
|
|
try:
|
|
result = fn(*args, **kwargs)
|
|
if on_success:
|
|
on_success(result)
|
|
return result
|
|
except Exception as e:
|
|
if on_failure:
|
|
on_failure(e)
|
|
if suppress_exceptions:
|
|
return None # type: ignore
|
|
raise
|
|
|
|
return wrapper
|
|
|
|
|
|
def wrap_with_callbacks_async(
|
|
fn: Callable[..., Awaitable[R]],
|
|
*,
|
|
before: Callable[..., None] | None = None,
|
|
on_success: Callable[[R], None] | None = None,
|
|
on_failure: Callable[[Exception], None] | None = None,
|
|
suppress_exceptions: bool = False,
|
|
) -> Callable[..., Awaitable[R]]:
|
|
@wraps(fn)
|
|
async def wrapper(*args: Any, **kwargs: Any) -> R:
|
|
if before:
|
|
before()
|
|
try:
|
|
result = await fn(*args, **kwargs)
|
|
if on_success:
|
|
on_success(result)
|
|
return result
|
|
except Exception as e:
|
|
if on_failure:
|
|
on_failure(e)
|
|
if suppress_exceptions:
|
|
return None # type: ignore
|
|
raise
|
|
|
|
return wrapper
|
|
|
|
|
|
@overload
|
|
def wrap_with_callbacks(
|
|
fn: Callable[..., Awaitable[R]],
|
|
*,
|
|
before: Callable[[], None] | None = ...,
|
|
on_success: Callable[[R], None] | None = ...,
|
|
on_failure: Callable[[Exception], None] | None = ...,
|
|
suppress_exceptions: bool = ...,
|
|
) -> Callable[..., Awaitable[R]]: ...
|
|
|
|
|
|
@overload
|
|
def wrap_with_callbacks(
|
|
*,
|
|
before: Callable[..., None] | None = ...,
|
|
on_success: Callable[[Any], None] | None = ...,
|
|
on_failure: Callable[[Exception], None] | None = ...,
|
|
suppress_exceptions: bool = ...,
|
|
) -> Callable[[Callable[..., R]], Callable[..., R]]: ...
|
|
|
|
|
|
@overload
|
|
def wrap_with_callbacks(
|
|
fn: Callable[..., R],
|
|
*,
|
|
before: Callable[[], None] | None = ...,
|
|
on_success: Callable[[R], None] | None = ...,
|
|
on_failure: Callable[[Exception], None] | None = ...,
|
|
suppress_exceptions: bool = ...,
|
|
) -> Callable[..., R]: ...
|
|
|
|
|
|
def wrap_with_callbacks(
|
|
fn: Callable[..., Any] | None = None,
|
|
*,
|
|
before: Callable[[], None] | None = None,
|
|
on_success: Callable[[Any], None] | None = None,
|
|
on_failure: Callable[[Exception], None] | None = None,
|
|
suppress_exceptions: bool = False,
|
|
) -> Any:
|
|
def decorator(func: Callable[..., Any]) -> Any:
|
|
if inspect.iscoroutinefunction(func):
|
|
return wrap_with_callbacks_async(
|
|
cast(Callable[..., Awaitable[Any]], func),
|
|
before=before,
|
|
on_success=on_success,
|
|
on_failure=on_failure,
|
|
suppress_exceptions=suppress_exceptions,
|
|
)
|
|
else:
|
|
return wrap_with_callbacks_sync(
|
|
cast(Callable[..., Any], func),
|
|
before=before,
|
|
on_success=on_success,
|
|
on_failure=on_failure,
|
|
suppress_exceptions=suppress_exceptions,
|
|
)
|
|
|
|
if fn is None:
|
|
return decorator
|
|
else:
|
|
return decorator(fn)
|