frame_manager.py 文件源码

def querySelectorAll(self, selector: str) -> List['ElementHandle']:
        """Get all elelments which matches `selector`."""
        remoteObject = await self._rawEvaluate(
            'selector => Array.from(document.querySelectorAll(selector))',
            selector,
        )
        response = await self._client.send('Runtime.getProperties', {
            'objectId': remoteObject.get('objectId', ''),
            'ownProperties': True,
        })
        properties = response.get('result', {})
        result: List[ElementHandle] = []
        releasePromises = [helper.releaseObject(self._client, remoteObject)]
        for prop in properties:
            value = prop.get('value', {})
            if prop.get('enumerable') and value.get('subtype') == 'node':
                result.append(ElementHandle(self._client, value, self._mouse,
                                            self._touchscreen))
            else:
                releasePromises.append(
                    helper.releaseObject(self._client, value))
        await asyncio.gather(*releasePromises)
        return result

    #: Alias to querySelector