chg: dev: Migrate from LatLon to GeoPy for Py3 compatibility.

Closes #130

README.md

@@ -63,7 +63,7 @@ Testing is done with pytest.  Coverage module optional.
 Testing requirements (local testing possible only on Linux):
 * lshw
 * pip packages: pytest-cov pytest-pep8 pyserial hvac kalibrate haversine
-python-geoip python-geoip-geolite2 pyudev gps3 LatLon python-dateutil
+python-geoip python-geoip-geolite2 pyudev gps3 geopy python-dateutil
 
 
 1. Navigate to the base directory of the repository.

requirements.txt

@@ -1,6 +1,7 @@
 psutil==5.4.8
 pyserial==3.4
 pyyaml==4.2b1
+geopy==1.18.1
 gps3==0.33.3
 hvac==0.7.1
 kalibrate==2.1.0
@@ -9,4 +10,3 @@ python-dateutil==2.7.5
 python-geoip==1.2
 python-geoip-geolite2==2015.303
 pyudev==0.21.0
-LatLon==1.0.2

sitch/sitchlib/feed_schema_translator.py

@@ -1,6 +1,6 @@
 """This is the object that translates from source feed to sensor schema."""
 from string import Template
-import LatLon
+import geopy
 
 
 class FeedSchemaTranslator(object):
@@ -39,10 +39,10 @@ def translators_from_schema(cls, fields):
     @classmethod
     def latlon_trans_fcc(cls, row):
         """returns dict with lat, lon"""
-        latlon = {}
-        lat_pre = Template('$LOC_LAT_DEG $LOC_LAT_MIN $LOC_LAT_SEC $LOC_LAT_DIR').substitute(row)  # NOQA
-        lon_pre = Template('$LOC_LONG_DEG $LOC_LONG_MIN $LOC_LONG_SEC $LOC_LONG_DIR').substitute(row)  # NOQA
-        ll = LatLon.string2latlon(lat_pre, lon_pre, "d% %m% %S% %H")
-        latlon["lat"] = ll.to_string('D%')[0]
-        latlon["lon"] = ll.to_string('D%')[1]
+        lat_t = '$LOC_LAT_DEG ${LOC_LAT_MIN}m ${LOC_LAT_SEC}s $LOC_LAT_DIR'
+        lon_t = '$LOC_LONG_DEG ${LOC_LONG_MIN}m ${LOC_LONG_SEC}s $LOC_LONG_DIR'
+        lat = Template(lat_t).substitute(row)
+        lon = Template(lon_t).substitute(row)
+        point = geopy.point.Point(" ".join([lat, lon]))
+        latlon = {"lat": point.latitude, "lon" = point.longitude}
         return latlon