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### What problem does this PR solve? As title. ### Type of change - [x] Refactoring --------- Signed-off-by: Jin Hai <haijin.chn@gmail.com>
123 lines
4.6 KiB
Python
123 lines
4.6 KiB
Python
#
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# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import os
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import queue
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import threading
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from typing import Any, Callable, Coroutine, Optional, Type, Union
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import asyncio
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import trio
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from functools import wraps
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from flask import make_response, jsonify
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from common.constants import RetCode
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TimeoutException = Union[Type[BaseException], BaseException]
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OnTimeoutCallback = Union[Callable[..., Any], Coroutine[Any, Any, Any]]
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def timeout(seconds: float | int | str = None, attempts: int = 2, *, exception: Optional[TimeoutException] = None,
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on_timeout: Optional[OnTimeoutCallback] = None):
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if isinstance(seconds, str):
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seconds = float(seconds)
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def decorator(func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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result_queue = queue.Queue(maxsize=1)
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def target():
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try:
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result = func(*args, **kwargs)
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result_queue.put(result)
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except Exception as e:
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result_queue.put(e)
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thread = threading.Thread(target=target)
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thread.daemon = True
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thread.start()
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for a in range(attempts):
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try:
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if os.environ.get("ENABLE_TIMEOUT_ASSERTION"):
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result = result_queue.get(timeout=seconds)
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else:
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result = result_queue.get()
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if isinstance(result, Exception):
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raise result
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return result
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except queue.Empty:
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pass
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raise TimeoutError(f"Function '{func.__name__}' timed out after {seconds} seconds and {attempts} attempts.")
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@wraps(func)
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async def async_wrapper(*args, **kwargs) -> Any:
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if seconds is None:
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return await func(*args, **kwargs)
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for a in range(attempts):
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try:
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if os.environ.get("ENABLE_TIMEOUT_ASSERTION"):
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with trio.fail_after(seconds):
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return await func(*args, **kwargs)
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else:
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return await func(*args, **kwargs)
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except trio.TooSlowError:
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if a < attempts - 1:
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continue
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if on_timeout is not None:
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if callable(on_timeout):
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result = on_timeout()
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if isinstance(result, Coroutine):
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return await result
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return result
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return on_timeout
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if exception is None:
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raise TimeoutError(f"Operation timed out after {seconds} seconds and {attempts} attempts.")
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if isinstance(exception, BaseException):
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raise exception
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if isinstance(exception, type) and issubclass(exception, BaseException):
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raise exception(f"Operation timed out after {seconds} seconds and {attempts} attempts.")
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raise RuntimeError("Invalid exception type provided")
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if asyncio.iscoroutinefunction(func):
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return async_wrapper
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return wrapper
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return decorator
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def construct_response(code=RetCode.SUCCESS, message="success", data=None, auth=None):
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result_dict = {"code": code, "message": message, "data": data}
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response_dict = {}
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for key, value in result_dict.items():
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if value is None and key != "code":
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continue
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else:
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response_dict[key] = value
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response = make_response(jsonify(response_dict))
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if auth:
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response.headers["Authorization"] = auth
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response.headers["Access-Control-Allow-Origin"] = "*"
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response.headers["Access-Control-Allow-Method"] = "*"
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response.headers["Access-Control-Allow-Headers"] = "*"
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response.headers["Access-Control-Allow-Headers"] = "*"
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response.headers["Access-Control-Expose-Headers"] = "Authorization"
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return response
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