from optparse import make_option
from django.core.management.base import CommandError
from django.core.management.commands.inspectdb import Command
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
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