text: from faker import Faker
  
  class GeoTemplate:
      """
      A geo template generates Lat/Lon values particular to a specified region
      """
  
      # TODO: support more regions
      _allowed_regions = {'US': True, 'GB': True}
  
      def __init__(self, region):
          self.fake = Faker()
          if self.allowed_region(region):
              self.region = region
          else:
              self.region = 'US' # defaults to US
          self.keys = ['latitude', 'longitude']
          self.values = []
      
      def allowed_region(self, region):
          if region not in self._allowed_regions:
              return False
          return True
      
      def generate(self, row):
          latitude, longitude = self.fake.local_latlng(country_code=self.region, coords_only=True)
          return { 'latitude': latitude, 'longitude': longitude }
              
  