Add WAN Mode script

requirements.txt

@@ -1 +1,3 @@
+anyio
+asyncclick
 git+https://github.com/djGrrr/python-sagemcom-api.git@master#egg=sagemcom_api

wanmode.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+
+import asyncclick as click
+from enum import Enum
+from sagemcom_api.client import SagemcomClient
+from sagemcom_api.enums import EncryptionMethod
+
+
+XPATH_DEVICE_SERVICES_BELLNETWORKCFG_WANMODE = 'Device/Services/BellNetworkCfg/WanMode'
+
+
+class EnumChoice(click.Choice):
+    def __init__(self, enum: Enum, case_sensitive=False):
+        self.__enum = enum
+        super().__init__(choices=[item.value for item in enum], case_sensitive=case_sensitive)
+
+    def convert(self, value, param, ctx):
+        if value is None or isinstance(value, Enum):
+            return value
+
+        converted_str = super().convert(value, param, ctx)
+        return self.__enum(converted_str)
+
+
+@click.command()
+@click.option('-H', '--host', default='192.168.2.1', help='Hostname or host IP')
+@click.option('-u', '--username', default='admin', help='Administrator username')
+@click.option('-p', '--password', required=True, help='Administrator password')
+@click.option('-a', '--authentication-method',
+              default=EncryptionMethod.SHA512, type=EnumChoice(EncryptionMethod),
+              help='Authentication method')
+async def main(host: str, username: str, password: str, authentication_method: EncryptionMethod) -> None:
+    async with SagemcomClient(**locals(), ssl=True, keep_keys=True) as client:
+        try:
+            await client.login()
+
+            wanmode = await client.get_value_by_xpath(XPATH_DEVICE_SERVICES_BELLNETWORKCFG_WANMODE)
+        except Exception as e:
+            print(e)
+        else:
+            print(f"WAN Mode: {wanmode}")
+
+if __name__ == '__main__':
+    main(_anyio_backend='asyncio')
+