web/lib/django/contrib/gis/db/backend/spatialite/__init__.py
changeset 29 cc9b7e14412b
parent 28 b758351d191f
child 30 239f9bcae806
--- a/web/lib/django/contrib/gis/db/backend/spatialite/__init__.py	Wed May 19 17:43:59 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-__all__ = ['create_test_spatial_db', 'get_geo_where_clause', 'SpatialBackend']
-
-from ctypes.util import find_library
-from django.conf import settings
-from django.db.backends.signals import connection_created
-
-from django.contrib.gis.db.backend.base import BaseSpatialBackend
-from django.contrib.gis.db.backend.spatialite.adaptor import SpatiaLiteAdaptor
-from django.contrib.gis.db.backend.spatialite.creation import create_test_spatial_db
-from django.contrib.gis.db.backend.spatialite.field import SpatiaLiteField
-from django.contrib.gis.db.backend.spatialite.models import GeometryColumns, SpatialRefSys
-from django.contrib.gis.db.backend.spatialite.query import *
-
-# Here we are figuring out the path to the SpatiLite library (`libspatialite`).
-# If it's not in the system PATH, it may be set manually in the settings via
-# the `SPATIALITE_LIBRARY_PATH` setting.
-spatialite_lib = getattr(settings, 'SPATIALITE_LIBRARY_PATH', find_library('spatialite'))
-if spatialite_lib:
-    def initialize_spatialite(sender=None, **kwargs):
-        """
-        This function initializes the pysqlite2 connection to enable the
-        loading of extensions, and to load up the SpatiaLite library
-        extension.
-        """
-        from django.db import connection
-        connection.connection.enable_load_extension(True)
-        connection.cursor().execute("SELECT load_extension(%s)", (spatialite_lib,))
-    connection_created.connect(initialize_spatialite)
-else:
-    # No SpatiaLite library found.
-    raise Exception('Unable to locate SpatiaLite, needed to use GeoDjango with sqlite3.')
-
-SpatialBackend = BaseSpatialBackend(name='spatialite', spatialite=True,
-                                    area=AREA,
-                                    centroid=CENTROID,
-                                    contained=CONTAINED,
-                                    difference=DIFFERENCE,
-                                    distance=DISTANCE,
-                                    distance_functions=DISTANCE_FUNCTIONS,
-                                    envelope=ENVELOPE,
-                                    from_text=GEOM_FROM_TEXT,
-                                    gis_terms=SPATIALITE_TERMS,
-                                    intersection=INTERSECTION,
-                                    length=LENGTH,
-                                    num_geom=NUM_GEOM,
-                                    num_points=NUM_POINTS,
-                                    point_on_surface=POINT_ON_SURFACE,
-                                    scale=SCALE,
-                                    select=GEOM_SELECT,
-                                    svg=ASSVG,
-                                    sym_difference=SYM_DIFFERENCE,
-                                    transform=TRANSFORM,
-                                    translate=TRANSLATE,
-                                    union=UNION,
-                                    unionagg=UNIONAGG,
-                                    Adaptor=SpatiaLiteAdaptor,
-                                    Field=SpatiaLiteField,
-                                    GeometryColumns=GeometryColumns,
-                                    SpatialRefSys=SpatialRefSys,
-                                    )