58 lines
2.0 KiB
Python
58 lines
2.0 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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from typing import Any
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from playwright._impl._connection import Connection
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from playwright._impl._object_factory import create_remote_object
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from playwright._impl._transport import PipeTransport
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from playwright.async_api._generated import Playwright as AsyncPlaywright
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class PlaywrightContextManager:
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def __init__(self) -> None:
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self._connection: Connection
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self._exit_was_called = False
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async def __aenter__(self) -> AsyncPlaywright:
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loop = asyncio.get_running_loop()
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self._connection = Connection(
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None,
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create_remote_object,
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PipeTransport(loop),
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loop,
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)
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loop.create_task(self._connection.run())
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playwright_future = self._connection.playwright_future
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done, _ = await asyncio.wait(
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{self._connection._transport.on_error_future, playwright_future},
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return_when=asyncio.FIRST_COMPLETED,
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)
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if not playwright_future.done():
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playwright_future.cancel()
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playwright = AsyncPlaywright(next(iter(done)).result())
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playwright.stop = self.__aexit__ # type: ignore
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return playwright
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async def start(self) -> AsyncPlaywright:
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return await self.__aenter__()
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async def __aexit__(self, *args: Any) -> None:
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if self._exit_was_called:
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return
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self._exit_was_called = True
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await self._connection.stop_async()
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