chrome remote debugger

change_mobile.py

import websocket
# pip install websocket-client
import json
try:
    import thread
except ImportError:
    import _thread as thread
import time
import requests
# pip install requests
 



# http://localhost:9222/json -> webSocketDebuggerUrl
websocket_url = 'ws://localhost:9222/devtools/page/3F16DFD0A8C59E8B860643E970CB2C1B'

def device_override():
    
    mm = {
        'id' : 1001,
        'method': 'Emulation.setDeviceMetricsOverride',
        'params': {
            'mobile' : True,
            'width' : 500,
            'height' : 800,
            'deviceScaleFactor' : 10
        }
    }
    send_msg(mm)
    print('send devide')


def on_message(ws, message):
    ee = json.loads(message)
    print(ee)
    

def send_msg(dd):
    ws.send(json.dumps(dd))
    return dd['id']
    
        
def on_error(ws, error):
    print(error)
 

def on_close(ws):
    print("### closed ###")

    
def on_open(ws):
    def run(*args):
        time.sleep(10)
        device_override()
        
     
    thread.start_new_thread(run, ())
 
 
if __name__ == "__main__":
    
    r = requests.get('http://localhost:9222/json')
    dd = r.json()

    websocket_url = dd[0]['webSocketDebuggerUrl']
    
    websocket.enableTrace(True)
    ws = websocket.WebSocketApp(websocket_url,
                              on_message = on_message,
                              on_error = on_error,
                              on_close = on_close)
    ws.on_open = on_open
    ws.run_forever()