diff -r 8d941af65caf -r 77b6da96e6f1 web/lib/django/contrib/gis/db/backends/spatialite/models.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/lib/django/contrib/gis/db/backends/spatialite/models.py Wed Jun 02 18:57:35 2010 +0200 @@ -0,0 +1,60 @@ +""" + The GeometryColumns and SpatialRefSys models for the SpatiaLite backend. +""" +from django.db import models +from django.contrib.gis.db.backends.base import SpatialRefSysMixin + +class GeometryColumns(models.Model): + """ + The 'geometry_columns' table from SpatiaLite. + """ + f_table_name = models.CharField(max_length=256) + f_geometry_column = models.CharField(max_length=256) + type = models.CharField(max_length=30) + coord_dimension = models.IntegerField() + srid = models.IntegerField(primary_key=True) + spatial_index_enabled = models.IntegerField() + + class Meta: + db_table = 'geometry_columns' + managed = False + + @classmethod + def table_name_col(cls): + """ + Returns the name of the metadata column used to store the + the feature table name. + """ + return 'f_table_name' + + @classmethod + def geom_col_name(cls): + """ + Returns the name of the metadata column used to store the + the feature geometry column. + """ + return 'f_geometry_column' + + def __unicode__(self): + return "%s.%s - %dD %s field (SRID: %d)" % \ + (self.f_table_name, self.f_geometry_column, + self.coord_dimension, self.type, self.srid) + +class SpatialRefSys(models.Model, SpatialRefSysMixin): + """ + The 'spatial_ref_sys' table from SpatiaLite. + """ + srid = models.IntegerField(primary_key=True) + auth_name = models.CharField(max_length=256) + auth_srid = models.IntegerField() + ref_sys_name = models.CharField(max_length=256) + proj4text = models.CharField(max_length=2048) + + @property + def wkt(self): + from django.contrib.gis.gdal import SpatialReference + return SpatialReference(self.proj4text).wkt + + class Meta: + db_table = 'spatial_ref_sys' + managed = False