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- # Copyright (c) Microsoft Corporation.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import base64
- import os
- from pathlib import Path
- from typing import Dict, Union
- from playwright._impl._connection import ChannelOwner
- # COPY_BUFSIZE is taken from shutil.py in the standard library
- _WINDOWS = os.name == "nt"
- COPY_BUFSIZE = 1024 * 1024 if _WINDOWS else 64 * 1024
- class WritableStream(ChannelOwner):
- def __init__(
- self, parent: ChannelOwner, type: str, guid: str, initializer: Dict
- ) -> None:
- super().__init__(parent, type, guid, initializer)
- async def copy(self, path: Union[str, Path]) -> None:
- with open(path, "rb") as f:
- while True:
- data = f.read(COPY_BUFSIZE)
- if not data:
- break
- await self._channel.send(
- "write", None, {"binary": base64.b64encode(data).decode()}
- )
- await self._channel.send("close", None)
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