old_contents: """
  Imports Ryedale
  """
  from django.contrib.gis.geos import Point, GEOSGeometry
  
  from data_collection.management.commands import BaseKamlImporter
  
  class Command(BaseKamlImporter):
      """
      Imports the Polling Station data from Ryedale Council
      """
      council_id     = 'E07000167'
      districts_name = 'Thirsk_and_Malton_Wards.kml'
      stations_name  = 'Polling Stations Malton and Thirsk 07 05 2015.csv'
  
      def district_record_to_dict(self, record):
          # this kml has no altitude co-ordinates so the data is ok as it stands
          geojson = record.geom.geojson
  
          # The SRID for the KML is 4326 but the CSV is 2770 so we
          # set it each time we create the polygon.
          # We could probably do with a more elegant way of doing
          # this longer term.
          self._srid = self.srid
          self.srid = 4326
          poly = self.clean_poly(GEOSGeometry(geojson, srid=self.srid))
          self.srid = self._srid
          return {
              'internal_council_id': record['Name'].value,
              'name'               : record['Name'].value,
              'area'               : poly
          }
  
      def station_record_to_dict(self, record):
          location = Point(float(record.easting), float(record.northin), srid=self.srid)
          address_parts = record.address.split(' ')
          address = ' '.join(address_parts[:-2])
          return {
              'internal_council_id': record.postcode, # no id supplied, so we'll use the postcode
              'postcode':            record.postcode,
              'address':             address,
              'location':            location
          }
  
new_contents: """
  Imports Ryedale
  """
  from django.contrib.gis.geos import Point, GEOSGeometry
  
  from data_collection.management.commands import BaseKamlImporter
  
  class Command(BaseKamlImporter):
      """
      Imports the Polling Station data from Ryedale Council
      """
      council_id     = 'E07000167'
      districts_name = 'Thirsk_and_Malton_Wards.kml'
      stations_name  = 'Polling Stations Malton and Thirsk 07 05 2015.csv'
  
      def district_record_to_dict(self, record):
          # this kml has no altitude co-ordinates so the data is ok as it stands
          geojson = record.geom.geojson
  
          poly = self.clean_poly(GEOSGeometry(geojson, srid=self.get_srid('districts')))
          return {
              'internal_council_id': record['Name'].value,
              'name'               : record['Name'].value,
              'area'               : poly
          }
  
      def station_record_to_dict(self, record):
          location = Point(float(record.easting), float(record.northin), srid=self.get_srid())
          address_parts = record.address.split(' ')
          address = ' '.join(address_parts[:-2])
          return {
              'internal_council_id': record.postcode, # no id supplied, so we'll use the postcode
              'postcode':            record.postcode,
              'address':             address,
              'location':            location
          }
  
subject: refactor ryedale importer to use get_srid()