Example Python program to publish text messages received on a TP-Link MR200 4G modem to Home Assistant. Note: this example is incomplete as the modules "hasspy" and "tplink_mr200" have not been released yet.

example_hasspy_tplink_4g_modem.py

from hasspy import Device
from tplink_mr200 import TPLinkMR200


device = Device(
    name="TP Link MR 200",
    component="binary_sensor",
    initial_state="ON",
    unique_id="tplink-mr200-002",
)

text_message = device.entity(
    name="Text Message", component="text", unique_id="tplink-mr200-lm-002"
)


@device.on_interval(minutes=10)
async def poll_for_data():

    router = TPLinkMR200()

    try:
        for sms in router.unread_messages():
            await text_message.publish_state(
                f"{sms.text} [{sms.sender} @{sms.timestamp}]"
            )
    except (KeyboardInterrupt, IndexError):
        router.logout()
    finally:
        router.close_browser()


device.run("homeassistant.local", username="example", password="example")