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A Django application which manage administrative geographical data.

Project description

A Django application which manage administrative geographical data. It use Modified Preorder Tree Traversal, provided by django-mptt https://github.com/django-mptt/django-mptt/

Geo is not intented to replace a GIS, but to manage all the cases where you have administrative trees, with a strict/lazy hierarchy.

Models

  • Country
  • Area
  • Location
  • AdministrativeAreaType
  • Currency

Examples

Three levels
italy = Country.objects.get(iso_code='IT')
regione, __ = italy.administrativeareatype_set.get_or_create(name='Regione')
provincia,__ = italy.administrativeareatype_set.get_or_create(name='Provincia',
                                                              parent=regione)
comune, __= italy.administrativeareatype_set.get_or_create(name='Comune',
                                                           parent=provincia)
lazio, __ = AdministrativeArea.objects.get_or_create(country=italy,
                                                     name ='Lazio',
                                                     type=regione)
roma_provincia, __ = AdministrativeArea.objects.get_or_create(country=italy,
                                                              name ='Provincia di Roma',
                                                              type=provincia,
                                                              parent=lazio)
roma_comune, __ = AdministrativeArea.objects.get_or_create(country=italy,
                                                            name ='Comune di Roma',
                                                            type=comune,
                                                            parent=roma_provincia)
city, __ = LocationType.objects.get_or_create(description='CITY')
roma, __  = Location.objects.get_or_create(country=italy,
                                            name ='Roma',
                                            type=city,
                                            area=roma_comune)

Two levels

us = Country.objects.get(iso_code='US')
state, __ = italy.administrativeareatype_set.get_or_create(name='State')
county,__ = italy.administrativeareatype_set.get_or_create(name='County',
                                                            parent=state)
ny, __ = AdministrativeArea.objects.get_or_create(country=us,
                                                    name ='New York',
                                                    type=state)
columbia, __ = AdministrativeArea.objects.get_or_create(country=us,
                                                        name ='Columbia',
                                                        type=county,
                                                        parent=ny)
city, __ = LocationType.objects.get_or_create(description='CITY')
hudson, __  = Location.objects.get_or_create(country=us,
                                             name ='Hudson',
                                             type=city,
                                             area=columbia,
                                             is_administrative=True)

Project details


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