Get the current maidenhead grid locator from gpsd in Python

locator.py

#!/usr/bin/env python3

"""
Retrieve the current maidenhead grid locator from gpsd and return it.
© 2024 Stuart Longland VK4MSL
License: BSD-3-clause

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"""

from gps import gps
# Thanks to xssfox for pointing this part of the lib out
from gps.clienthelpers import maidenhead

client = gps()

# If your gpsd server is elsewhere, adjust accordingly.
client.connect("localhost", 2947)

for msg in client:
    if msg["class"] == "VERSION":
        break

client.send('?WATCH={"enable":true,"json":true}')
for msg in client:
    if msg["class"] != "TPV":
        continue
    if msg["mode"] < 2:
        continue

    # Got a fix
    break

lat = msg["lat"]
lng = msg["lon"]

# Adjust :6 to set the precision you need
print(maidenhead(lat, lng)[:6])