summaryrefslogtreecommitdiff
path: root/lib/python2.7/site-packages/django/contrib/gis/management/commands/inspectdb.py
blob: bbf40e1baa74e53e16a299dfe4a8c8eb08dd9b87 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
from django.core.management.commands.inspectdb import Command as InspectDBCommand

class Command(InspectDBCommand):
    db_module = 'django.contrib.gis.db'
    gis_tables = {}

    def get_field_type(self, connection, table_name, row):
        field_type, field_params, field_notes = super(Command, self).get_field_type(connection, table_name, row)
        if field_type == 'GeometryField':
            geo_col = row[0]
            # Getting a more specific field type and any additional parameters
            # from the `get_geometry_type` routine for the spatial backend.
            field_type, geo_params = connection.introspection.get_geometry_type(table_name, geo_col)
            field_params.update(geo_params)
            # Adding the table name and column to the `gis_tables` dictionary, this
            # allows us to track which tables need a GeoManager.
            if table_name in self.gis_tables:
                self.gis_tables[table_name].append(geo_col)
            else:
                self.gis_tables[table_name] = [geo_col]
        return field_type, field_params, field_notes

    def get_meta(self, table_name):
        meta_lines = super(Command, self).get_meta(table_name)
        if table_name in self.gis_tables:
            # If the table is a geographic one, then we need make
            # GeoManager the default manager for the model.
            meta_lines.insert(0, '    objects = models.GeoManager()')
        return meta_lines