generated from kgod/ai-review-template
94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
# Copyright (c) Microsoft Corporation.
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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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import asyncio
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import inspect
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import traceback
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from typing import Awaitable, Callable, Dict
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import greenlet
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from playwright._impl._connection import ChannelOwner
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from playwright._impl._errors import Error, is_target_closed_error
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class Disposable(ChannelOwner):
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def __init__(
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self, parent: ChannelOwner, type: str, guid: str, initializer: Dict
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) -> None:
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super().__init__(parent, type, guid, initializer)
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async def dispose(self) -> None:
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try:
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await self._channel.send(
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"dispose",
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None,
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)
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except Exception as e:
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if not is_target_closed_error(e):
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raise e
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async def close(self) -> None:
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await self.dispose()
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def __repr__(self) -> str:
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return "<Disposable>"
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class DisposableStub:
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def __init__(
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self,
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dispose_fn: Callable[[], Awaitable[None]],
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parent: ChannelOwner,
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) -> None:
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self._dispose_fn = dispose_fn
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self._loop = parent._loop
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self._dispatcher_fiber = parent._dispatcher_fiber
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async def dispose(self) -> None:
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await self._dispose_fn()
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async def __aenter__(self) -> "DisposableStub":
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return self
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async def __aexit__(self, *args: object) -> None:
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await self.dispose()
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def __enter__(self) -> "DisposableStub":
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return self
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def __exit__(self, *args: object) -> None:
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self._sync(self.dispose())
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def _sync(self, coro: object) -> object:
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__tracebackhide__ = True
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if self._loop.is_closed():
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coro.close() # type: ignore
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raise Error("Event loop is closed! Is Playwright already stopped?")
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g_self = greenlet.getcurrent()
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task = self._loop.create_task(coro) # type: ignore
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setattr(task, "__pw_stack__", inspect.stack(0))
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setattr(task, "__pw_stack_trace__", traceback.extract_stack(limit=10))
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task.add_done_callback(lambda _: g_self.switch())
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while not task.done():
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self._dispatcher_fiber.switch() # type: ignore
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asyncio._set_running_loop(self._loop)
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return task.result()
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async def close(self) -> None:
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await self.dispose()
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def __repr__(self) -> str:
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return "<Disposable>"
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