Impostazione di Chrome DevTools (Selenio 4) Utilizzo di Remote WebDriver in Python

0

Domanda

Ho cercato di impostare l'uso di Chrome DevTools utilizzando Selenio 4 e Python. Sono stato in grado di farlo funzionare in locale (senza async roba), ma quando cerco di usare il webdriver.Implementazione remota, si blocca.

Qui è un esempio il Selenio documenti: https://www.selenium.dev/de/documentation/support_packages/chrome_devtools/

Di seguito ho provato a lanciarlo.

import asyncio

from selenium import webdriver
import selenium.webdriver.common.devtools.v96 as devtools

async def geo_location_test():
    try:
        chrome_options = webdriver.ChromeOptions()
        driver = webdriver.Remote(
            command_executor='http://D5365900:4444/wd/hub',
            options=chrome_options
        )

        async with driver.bidi_connection() as session:
            cdp_session = session.session
            await cdp_session.execute(devtools.emulation.set_geolocation_override(latitude=41.8781,
                                                                                  longitude=-87.6298,
                                                                                  accuracy=100))
        driver.get("https://my-location.org/")
    finally:
        driver.quit()


async def main():
    await geo_location_test()

if __name__ == "__main__":
    asyncio.run(main())

Corre fino alla linea async with driver.bidi_connection() as session: (sessione è stabilito e il browser Chrome si apre). Ma si blocca con il seguente traccia.

Traceback (most recent call last):
  File "C:\Users\y04082\eclipse-workspace\WWI-Testautomation\TestScripts\Josh\async_sel_4.py", line 54, in <module>
    asyncio.run(main())
  File "C:\Program Files\Python310\lib\asyncio\runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "C:\Program Files\Python310\lib\asyncio\base_events.py", line 641, in run_until_complete
    return future.result()
  File "C:\Users\y04082\eclipse-workspace\WWI-Testautomation\TestScripts\Josh\async_sel_4.py", line 51, in main
    await geo_location_test()
  File "C:\Users\y04082\eclipse-workspace\WWI-Testautomation\TestScripts\Josh\async_sel_4.py", line 40, in geo_location_test
    async with driver.bidi_connection() as session:
  File "C:\Program Files\Python310\lib\contextlib.py", line 199, in __aenter__
    return await anext(self.gen)
  File "C:\Program Files\Python310\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 1576, in bidi_connection
    async with cdp.open_cdp(ws_url) as conn:
  File "C:\Program Files\Python310\lib\contextlib.py", line 199, in __aenter__
    return await anext(self.gen)
  File "C:\Program Files\Python310\lib\site-packages\selenium\webdriver\common\bidi\cdp.py", line 457, in open_cdp
    async with trio.open_nursery() as nursery:
  File "C:\Program Files\Python310\lib\site-packages\trio\_core\_run.py", line 796, in __aenter__
    self._scope.__enter__()
  File "C:\Program Files\Python310\lib\site-packages\trio\_core\_ki.py", line 159, in wrapper
    return fn(*args, **kwargs)
  File "C:\Program Files\Python310\lib\site-packages\trio\_core\_run.py", line 449, in __enter__
    task = _core.current_task()
  File "C:\Program Files\Python310\lib\site-packages\trio\_core\_run.py", line 2285, in current_task
    raise RuntimeError("must be called from async context") from None
RuntimeError: must be called from async context

Come potete vedere, sto usando Python 3.10. Ho anche aggiornato il Selenio associazioni 4.1.0 e sono in esecuzione di una Selenio 4.0.0 Hub/Nodo config per automatizzare Chrome 96.

Tutte le idee, qual è il problema qui? Sto gestione asincrona coroutines in modo non corretto?

Qualsiasi aiuto è molto apprezzato!

Aggiornamento Dopo aver provato a lanciarlo con il trio (come suggerito Enrico Ashton-Martyn commento), ottengo il seguente errore.

Traceback (most recent call last):
  File "C:\Program Files\Python310\lib\site-packages\trio\_highlevel_open_tcp_stream.py", line 332, in attempt_connect
    await sock.connect(sockaddr)
  File "C:\Program Files\Python310\lib\site-packages\trio\_socket.py", line 682, in connect
    raise OSError(err, "Error in connect: " + os.strerror(err))
OSError: [Errno 10049] Error in connect: Unknown error

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\y04082\eclipse-workspace\WWI-Testautomation\TestScripts\Josh\async_sel_4.py", line 58, in <module>
    trio.run(main)
  File "C:\Program Files\Python310\lib\site-packages\trio\_core\_run.py", line 1932, in run
    raise runner.main_task_outcome.error
  File "C:\Users\y04082\eclipse-workspace\WWI-Testautomation\TestScripts\Josh\async_sel_4.py", line 55, in main
    await geo_location_test()
  File "C:\Users\y04082\eclipse-workspace\WWI-Testautomation\TestScripts\Josh\async_sel_4.py", line 44, in geo_location_test
    async with driver.bidi_connection() as session:
  File "C:\Program Files\Python310\lib\contextlib.py", line 199, in __aenter__
    return await anext(self.gen)
  File "C:\Program Files\Python310\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 1576, in bidi_connection
    async with cdp.open_cdp(ws_url) as conn:
  File "C:\Program Files\Python310\lib\contextlib.py", line 199, in __aenter__
    return await anext(self.gen)
  File "C:\Program Files\Python310\lib\site-packages\selenium\webdriver\common\bidi\cdp.py", line 458, in open_cdp
    conn = await connect_cdp(nursery, url)
  File "C:\Program Files\Python310\lib\site-packages\selenium\webdriver\common\bidi\cdp.py", line 479, in connect_cdp
    ws = await connect_websocket_url(nursery, url,
  File "C:\Program Files\Python310\lib\site-packages\trio_websocket\_impl.py", line 262, in connect_websocket_url
    return await connect_websocket(nursery, host, port, resource,
  File "C:\Program Files\Python310\lib\site-packages\trio_websocket\_impl.py", line 171, in connect_websocket
    stream = await trio.open_tcp_stream(host, port)
  File "C:\Program Files\Python310\lib\site-packages\trio\_highlevel_open_tcp_stream.py", line 367, in open_tcp_stream
    raise OSError(msg) from trio.MultiError(oserrors)
OSError: all attempts to connect to 0.0.0.0:4444 failed
1

Migliore risposta

0

Sembra che il selenio non usare python incorporato async quadro, ma utilizza un pacchetto chiamato trio così. Si dovrebbe essere in grado di risolvere questo problema modificando questo codice:

if __name__ == "__main__":
    asyncio.run(main())

a:

if __name__ == "__main__":
    import trio
    trio.run(main)
2021-12-10 10:43:06

Grazie per il suggerimento. In realtà avevo provato prima. Ho aggiornato il mio post per mostrare i (diversi) di errore che ricevo quando cerco di usare trio.
josh42

In altre lingue

Questa pagina è in altre lingue

Русский
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................