def check_latitude(lat):
if not -90 <= lat <= 90:
raise Exception('invalid latitude')
return lat
def check_longitude(lon):
if not -180 <= lon <= 180:
raise Exception('invalid longitude')
return lon
class GeoPoint:
def __init__(self, lat, lon):
self.lat = check_latitude(lat)
self.lon = check_longitude(lon)
def gist(self):
if self.lat >= 0:
lat_dir = 'N'
else:
lat_dir = 'S'
if self.lon >= 0:
lon_dir = 'E'
else:
lon_dir = 'W'
return "{}{} {}{}".format(lat_dir, abs(self.lat), lon_dir, abs(self.lon))
def __str__(self):
return self.gist()
geo = GeoPoint(39.1915045, -96.6070506);
print(geo.lat); # 39.1915045
print(geo.lon); # -96.6070506
print(geo); # N39.1915045 W96.6070506
