46 lines
1.6 KiB
Python
46 lines
1.6 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 base64
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from pathlib import Path
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from typing import Dict, Union
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from playwright._impl._connection import ChannelOwner
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class Stream(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 save_as(self, path: Union[str, Path]) -> None:
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file = await self._loop.run_in_executor(None, lambda: open(path, "wb"))
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while True:
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binary = await self._channel.send("read", {"size": 1024 * 1024})
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if not binary:
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break
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await self._loop.run_in_executor(
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None, lambda: file.write(base64.b64decode(binary))
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)
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await self._loop.run_in_executor(None, lambda: file.close())
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async def read_all(self) -> bytes:
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binary = b""
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while True:
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chunk = await self._channel.send("read", {"size": 1024 * 1024})
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if not chunk:
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break
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binary += base64.b64decode(chunk)
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return binary
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