weditor元素定位与环境安装问题解决

由于在以往的测试过程中，使用过多种元素定位方式，个人还是比较推荐使用weditor

1.安装命令：pip install weditor
2.启动服务：python -m weditor
3.使用过程中报错：

Traceback (most recent call last):
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesweditorwebhandlerspage.py", line 60, in post
    id = connect_device(platform, device_url)
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesweditorwebdevice.py", line 92, in connect_device
    d = _AndroidDevice(device_url)
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesweditorwebdevice.py", line 29, in __init__
    d = u2.connect(device_url)
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 1926, in connect
    return connect_usb(addr)
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 1967, in connect_usb
    return Device(serial)
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 262, in __init__
    wlan_ip = self.wlan_ip
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 453, in wlan_ip
    ip = self.http.get("/wlan/ip").text.strip()
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesrequestssessions.py", line 555, in get
    return self.request('GET', url, **kwargs)
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 223, in request
    self.__client._prepare_atx_agent()
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 323, in _prepare_atx_agent
    version_url = self.path2url("/version")
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 306, in path2url
    return urlparse.urljoin(self._get_atx_agent_url(), path)
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesuiautomator2__init__.py", line 287, in _get_atx_agent_url
    lport = self._adb_device.forward_port(
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesadbutils__init__.py", line 621, in forward_port
    for f in self.forward_list():
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesadbutils__init__.py", line 403, in forward_list
    c.check_okay()
  File "c:userslenovoappdatalocalprogramspythonpython38libsite-packagesadbutils__init__.py", line 172, in check_okay
    raise AdbError(self.read_string_block())
adbutils.errors.AdbError: unknown host service

解决方法：
初始化 uiautomator2 ，然后再重启weditor服务。

结束：然后再在浏览器中就可以使用weditor