Create gps_client.py

gps_client.py

@@ -0,0 +1,41 @@
+#! /usr/bin/env python3
+"""
+example  Python gpsd client
+run this way: python3 example1.py.txt
+"""
+
+# from https://gpsd.gitlab.io/gpsd/gpsd-client-example-code.html
+
+import gps               # the gpsd interface module
+
+session = gps.gps(mode=gps.WATCH_ENABLE)
+
+try:
+    while 0 == session.read():
+        if not (gps.MODE_SET & session.valid):
+            # not useful, probably not a TPV message
+            continue
+
+        print('Mode: %s(%d) Time: ' %
+              (("Invalid", "NO_FIX", "2D", "3D")[session.fix.mode],
+               session.fix.mode), end="")
+        # print time, if we have it
+        if gps.TIME_SET & session.valid:
+            print(session.fix.time, end="")
+        else:
+            print('n/a', end="")
+
+        if ((gps.isfinite(session.fix.latitude) and
+             gps.isfinite(session.fix.longitude))):
+            print(" Lat %.6f Lon %.6f" %
+                  (session.fix.latitude, session.fix.longitude))
+        else:
+            print(" Lat n/a Lon n/a")
+
+except KeyboardInterrupt:
+    # got a ^C.  Say bye, bye
+    print('')
+
+# Got ^C, or fell out of the loop.  Cleanup, and leave.
+session.close()
+exit(0)