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_tracing.py
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71 lines (61 loc) · 2.43 KB
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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 pathlib
from typing import TYPE_CHECKING, Optional, Union, cast
from playwright._impl._artifact import Artifact
from playwright._impl._connection import from_nullable_channel
from playwright._impl._helper import locals_to_params
if TYPE_CHECKING: # pragma: no cover
from playwright._impl._browser_context import BrowserContext
class Tracing:
def __init__(self, context: "BrowserContext") -> None:
self._context = context
self._channel = context._channel
self._loop = context._loop
self._dispatcher_fiber = context._channel._connection._dispatcher_fiber
async def start(
self,
name: str = None,
title: str = None,
snapshots: bool = None,
screenshots: bool = None,
) -> None:
params = locals_to_params(locals())
await self._channel.send("tracingStart", params)
await self.start_chunk(title)
async def start_chunk(self, title: str = None) -> None:
params = locals_to_params(locals())
await self._channel.send("tracingStartChunk", params)
async def stop_chunk(self, path: Union[pathlib.Path, str] = None) -> None:
await self._do_stop_chunk(path)
async def stop(self, path: Union[pathlib.Path, str] = None) -> None:
await self._do_stop_chunk(path)
await self._channel.send("tracingStop")
async def _do_stop_chunk(self, path: Union[pathlib.Path, str] = None) -> None:
result = await self._channel.send_return_as_dict(
"tracingStopChunk",
{
"save": bool(path),
"skipCompress": False,
},
)
artifact = cast(
Optional[Artifact],
from_nullable_channel(result.get("artifact")),
)
if not artifact:
return
if path:
await artifact.save_as(path)
await artifact.delete()