43 lines
1.4 KiB
Python
43 lines
1.4 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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import os
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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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# COPY_BUFSIZE is taken from shutil.py in the standard library
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_WINDOWS = os.name == "nt"
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COPY_BUFSIZE = 1024 * 1024 if _WINDOWS else 64 * 1024
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class WritableStream(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 copy(self, path: Union[str, Path]) -> None:
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with open(path, "rb") as f:
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while True:
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data = f.read(COPY_BUFSIZE)
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if not data:
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break
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await self._channel.send(
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"write", None, {"binary": base64.b64encode(data).decode()}
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)
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await self._channel.send("close", None)
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