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feat(cdp): expose cdp session (#133)
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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. | ||
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from typing import Any, Dict | ||
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from playwright.connection import ChannelOwner | ||
from playwright.js_handle import parse_result, serialize_argument | ||
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class CDPSession(ChannelOwner): | ||
def __init__( | ||
self, parent: ChannelOwner, type: str, guid: str, initializer: Dict | ||
) -> None: | ||
super().__init__(parent, type, guid, initializer) | ||
self._channel.on("event", lambda params: self._on_event(params)) | ||
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def _on_event(self, params: Any) -> None: | ||
self.emit(params["method"], parse_result(params["params"])) | ||
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async def send(self, method: str, params: Dict = None) -> Dict: | ||
payload = {"method": method} | ||
if params: | ||
payload["params"] = serialize_argument(params)["value"] | ||
result = await self._channel.send("send", payload) | ||
return parse_result(result) | ||
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async def detach(self) -> None: | ||
await self._channel.send("detach") |
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