Tooltron

"""

GeoDjango introspection rules

"""

import django

from django.conf import settings

from south.modelsinspector import add_introspection_rules

has_gis = "django.contrib.gis" in settings.INSTALLED_APPS

if has_gis:

    # Alright,import the field

    from django.contrib.gis.db.models.fields import GeometryField

    # Make some introspection rules

    if django.VERSION[0] == 1 and django.VERSION[1] >= 1:

        # Django 1.1's gis module renamed these.

        rules = [

            (

                (GeometryField, ),

                [],

                {

                    "srid": ["srid", {"default": 4326}],

                    "spatial_index": ["spatial_index", {"default": True}],

                    "dim": ["dim", {"default": 2}],

                    "geography": ["geography", {"default": False}],

                },

            ),

        ]

    else:

        rules = [

            (

                (GeometryField, ),

                [],

                {

                    "srid": ["_srid", {"default": 4326}],

                    "spatial_index": ["_index", {"default": True}],

                    "dim": ["_dim", {"default": 2}],

                },

            ),

        ]

    # Install them

    add_introspection_rules(rules, ["^django\.contrib\.gis"])