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Add GeoDjango support
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+184
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‎.github/workflows/test-python-atlas.yml

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- name: Install system packages for Django's Python test dependencies
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run: |
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sudo apt-get update
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sudo apt-get install libmemcached-dev
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sudo apt-get install gdal-bin libmemcached-dev
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- name: Install Django and its Python test dependencies
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run: |
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cd django_repo/tests/

‎.github/workflows/test-python.yml

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- name: Install system packages for Django's Python test dependencies
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run: |
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sudo apt-get update
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sudo apt-get install libmemcached-dev
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sudo apt-get install gdal-bin libmemcached-dev
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- name: Install Django and its Python test dependencies
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run: |
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cd django_repo/tests/

‎django_mongodb_backend_gis/__init__.py

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from .functions import register_functions
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register_functions()

‎django_mongodb_backend_gis/adapter.py

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import collections
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class Adapter(collections.UserDict):
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def __init__(self, obj, geography=False):
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"""
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Initialize on the spatial object.
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"""
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self.data = {
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"type": obj.__class__.__name__,
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"coordinates": obj.coords,
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}

‎django_mongodb_backend_gis/base.py

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from django_mongodb_backend.base import DatabaseWrapper as BaseDatabaseWrapper
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from .features import DatabaseFeatures
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from .operations import DatabaseOperations
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from .schema import DatabaseSchemaEditor
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class DatabaseWrapper(BaseDatabaseWrapper):
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SchemaEditorClass = DatabaseSchemaEditor
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features_class = DatabaseFeatures
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ops_class = DatabaseOperations

‎django_mongodb_backend_gis/features.py

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from django.contrib.gis.db.backends.base.features import BaseSpatialFeatures
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from django.utils.functional import cached_property
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from django_mongodb_backend.features import DatabaseFeatures as MongoFeatures
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class DatabaseFeatures(BaseSpatialFeatures, MongoFeatures):
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has_spatialrefsys_table = False
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supports_transform = False
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@cached_property
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def django_test_expected_failures(self):
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expected_failures = super().django_test_expected_failures
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expected_failures.update(
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{
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# SRIDs aren't supported.
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"gis_tests.geogapp.tests.GeographyTest.test05_geography_layermapping",
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"gis_tests.geoapp.tests.GeoModelTest.test_proxy",
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# 'WithinLookup' object has no attribute 'as_mql'
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# "gis_tests.relatedapp.tests.RelatedGeoModelTest.test10_combine",
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# GEOSException: Calling transform() with no SRID set is not supported
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"gis_tests.relatedapp.tests.RelatedGeoModelTest.test06_f_expressions",
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# To triage:
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"gis_tests.geoapp.test_expressions.GeoExpressionsTests.test_geometry_value_annotation",
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"gis_tests.geoapp.test_expressions.GeoExpressionsTests.test_multiple_annotation",
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"gis_tests.geoapp.test_regress.GeoRegressionTests.test_empty_count",
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"gis_tests.geoapp.test_serializers.GeoJSONSerializerTests.test_fields_option",
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"gis_tests.geoapp.test_serializers.GeoJSONSerializerTests.test_geometry_field_option",
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"gis_tests.geoapp.test_serializers.GeoJSONSerializerTests.test_id_field_option",
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"gis_tests.geoapp.test_serializers.GeoJSONSerializerTests.test_serialization_base",
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"gis_tests.geoapp.test_serializers.GeoJSONSerializerTests.test_srid_option",
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"gis_tests.geoapp.tests.GeoLookupTest.test_contains_contained_lookups",
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"gis_tests.geoapp.tests.GeoLookupTest.test_disjoint_lookup",
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"gis_tests.geoapp.tests.GeoLookupTest.test_equals_lookups",
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"gis_tests.geoapp.tests.GeoLookupTest.test_null_geometries",
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"gis_tests.geoapp.tests.GeoLookupTest.test_subquery_annotation",
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"gis_tests.geoapp.tests.GeoModelTest.test_geometryfield",
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"gis_tests.geoapp.tests.GeoModelTest.test_gis_query_as_string",
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"gis_tests.geoapp.tests.GeoQuerySetTest.test_within_subquery",
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"gis_tests.geoapp.test_expressions.GeoExpressionsTests.test_update_from_other_field",
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# No lookups are supported (yet?)
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"gis_tests.geoapp.tests.GeoLookupTest.test_gis_lookups_with_complex_expressions",
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}
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)
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return expected_failures
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@cached_property
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def django_test_skips(self):
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skips = super().django_test_skips
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skips.update(
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{
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"inspectdb not supported.": {
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"gis_tests.inspectapp.tests.InspectDbTests",
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},
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"Raw SQL not supported": {
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"gis_tests.geoapp.tests.GeoModelTest.test_raw_sql_query",
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},
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},
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)
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return skips

‎django_mongodb_backend_gis/functions.py

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# Placeholder if we can support any functions.
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# from django.contrib.gis.db.models.functions import Distance, Length, Perimeter
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def register_functions():
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pass

‎django_mongodb_backend_gis/operations.py

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from django.contrib.gis import geos
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from django.contrib.gis.db import models
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from django.contrib.gis.db.backends.base.operations import BaseSpatialOperations
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from django_mongodb_backend.operations import (
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DatabaseOperations as MongoOperations,
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)
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from .adapter import Adapter
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class DatabaseOperations(BaseSpatialOperations, MongoOperations):
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Adapter = Adapter
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disallowed_aggregates = (
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models.Collect,
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models.Extent,
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models.Extent3D,
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models.MakeLine,
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models.Union,
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)
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@property
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def gis_operators(self):
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return {}
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unsupported_functions = {
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"Area",
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"AsGeoJSON",
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"AsGML",
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"AsKML",
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"AsSVG",
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"AsWKB",
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"AsWKT",
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"Azimuth",
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"BoundingCircle",
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"Centroid",
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"ClosestPoint",
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"Difference",
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"Distance",
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"Envelope",
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"ForcePolygonCW",
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"FromWKB",
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"FromWKT",
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"GeoHash",
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"GeometryDistance",
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"Intersection",
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"IsEmpty",
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"IsValid",
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"Length",
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"LineLocatePoint",
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"MakeValid",
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"MemSize",
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"NumGeometries",
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"NumPoints",
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"Perimeter",
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"PointOnSurface",
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"Reverse",
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"Scale",
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"SnapToGrid",
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"SymDifference",
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"Transform",
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"Translate",
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"Union",
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}
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def geo_db_type(self, f):
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return "object"
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def get_geometry_converter(self, expression):
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geom_class = expression.output_field.geom_class
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def converter(value, expression, connection): # noqa: ARG001
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if value is None:
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return None
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if issubclass(geom_class, geos.GeometryCollection):
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init_val = [
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geom_class._allowed(value["coordinates"][x][0])
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for x in range(len(value["coordinates"]))
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]
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else:
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init_val = value["coordinates"]
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return geom_class(init_val)
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return converter

‎django_mongodb_backend_gis/schema.py

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from django_mongodb_backend.schema import DatabaseSchemaEditor as BaseSchemaEditor
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class DatabaseSchemaEditor(BaseSchemaEditor):
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pass

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