示例#1
0
    def test_create_dataset_with_parent_geometry(self):
        ds2 = SpatialiteDriver.create_dataset_with_parent_geometry(
            'geometry derived dataset',
            self.ds,
            columns_definitions=(('name', 'TEXT'), ('i', 'INTEGER'), ('j',
                                                                      'REAL')))
        ds3 = SpatialiteDriver.create_dataset_with_parent_geometry(
            'geometry dervied dataset 2', self.ds)
        self.assertListEqual([
            'OGC_FID', 'GEOMETRY', 'name', 'i', 'j'
        ], ds2.resource.schema(
        ), 'empty dataset with three columns should have had three columns, but had {schema}'
                             .format(schema=ds2.resource.schema()))
        self.assertListEqual(
            ['OGC_FID', 'GEOMETRY'], ds3.resource.schema(),
            'empty dataset schema should have had nothing in it, had {schema}'.
            format(schema=ds3.resource.schema()))

        ds3.resource.add_column('name', 'TEXT')
        ds3.resource.add_column('i', 'TEXT')
        ds3.resource.add_column('j', 'TEXT')

        self.assertListEqual(
            ds3.resource.schema(), ['OGC_FID', 'GEOMETRY', 'name', 'i', 'j'],
            "added columns, but they didn't show up right: {schema}".format(
                schema=ds3.resource.schema()))
示例#2
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def create_dataset_with_parent_geometry(request, slug):
    user = authorize(request)

    title = request.REQUEST.get('title', 'Untitled dataset')
    parent_dataresource = slug
    srid = int(request.REQUEST.get('srid', 4326))
    geometry_type = request.REQUEST.get('geometry_type', 'GEOMETRY')
    columns_definitions = json.loads(request.REQUEST.get('columns_definitions', "{}"))
    columns_definitions = ((key, value) for key, value in columns_definitions.items())
    parent_key = request.REQUEST.get('parent_key', None)
    child_key = request.REQUEST.get('child_key', None)
    csv = None

    if len(request.FILES.keys()) > 0:
        csvfile = NamedTemporaryFile(suffix='csv')
        csvfile.write(request.FILES[request.FILES.keys().next()].read())
        csvfile.flush()
        csv = pandas.DataFrame.from_csv(csvfile.name)

    if 'parent_page' in request.REQUEST:
        parent_page = Page.objects.get(slug=request.REQUEST['parent_page'])
        authorize(request, parent_page, add=True)
    else:
        parent_page = get_data_page_for_user(request.user)

    parent_dataresource = DataResource.objects.get(slug=parent_dataresource)
    authorize(request, parent_page, view=True)

    if csv:
        ds = SpatialiteDriver.join_data_with_existing_geometry(
            title=title,
            parent=parent_page,
            new_data=csv,
            join_field_in_existing_data=parent_key,
            join_field_in_new_data=child_key,
            parent_dataresource=parent_dataresource,
            srid=srid,
            geometry_type=geometry_type,
            owner=request.user
        )
    else:
        ds = SpatialiteDriver.create_dataset_with_parent_geometry(
            title=title,
            parent=parent_page,
            parent_dataresource=parent_dataresource,
            srid=srid,
            columns_definitions=columns_definitions,
            geometry_type=geometry_type,
            owner=request.user
        )

    dispatch.api_accessed.send(sender=DataResource, instance=ds, user=user)
    dispatch.dataset_created.send(sender=ds, user=user)
    return json_or_jsonp(request, {'path': ds.slug}, code=201)
示例#3
0
def create_dataset_with_parent_geometry(request, slug):
    user = authorize(request)

    title = request.REQUEST.get('title', 'Untitled dataset')
    parent_dataresource = slug
    srid = int(request.REQUEST.get('srid', 4326))
    geometry_type = request.REQUEST.get('geometry_type', 'GEOMETRY')
    columns_definitions = json.loads(request.REQUEST.get('columns_definitions', "{}"))
    columns_definitions = ((key, value) for key, value in columns_definitions.items())
    parent_key = request.REQUEST.get('parent_key', None)
    child_key = request.REQUEST.get('child_key', None)
    csv = None

    if len(request.FILES.keys()) > 0:
        csvfile = NamedTemporaryFile(suffix='csv')
        csvfile.write(request.FILES[request.FILES.keys().next()].read())
        csvfile.flush()
        csv = pandas.DataFrame.from_csv(csvfile.name)

    if 'parent_page' in request.REQUEST:
        parent_page = Page.objects.get(slug=request.REQUEST['parent_page'])
        authorize(request, parent_page, add=True)
    else:
        parent_page = get_data_page_for_user(request.user)

    parent_dataresource = DataResource.objects.get(slug=parent_dataresource)
    authorize(request, parent_page, view=True)

    if csv:
        ds = SpatialiteDriver.join_data_with_existing_geometry(
            title=title,
            parent=parent_page,
            new_data=csv,
            join_field_in_existing_data=parent_key,
            join_field_in_new_data=child_key,
            parent_dataresource=parent_dataresource,
            srid=srid,
            geometry_type=geometry_type,
            owner=request.user
        )
    else:
        ds = SpatialiteDriver.create_dataset_with_parent_geometry(
            title=title,
            parent=parent_page,
            parent_dataresource=parent_dataresource,
            srid=srid,
            columns_definitions=columns_definitions,
            geometry_type=geometry_type,
            owner=request.user
        )

    dispatch.api_accessed.send(sender=DataResource, instance=ds, user=user)
    dispatch.dataset_created.send(sender=ds, user=user)
    return json_or_jsonp(request, {'path': ds.slug}, code=201)
    def test_create_dataset_with_parent_geometry(self):
        ds2 = SpatialiteDriver.create_dataset_with_parent_geometry(
            'geometry derived dataset',
            self.ds,
            columns_definitions=(('name', 'TEXT'), ('i', 'INTEGER'), ('j', 'REAL'))
        )
        ds3 = SpatialiteDriver.create_dataset_with_parent_geometry(
            'geometry dervied dataset 2',
            self.ds
        )
        self.assertListEqual(['OGC_FID', 'GEOMETRY', 'name', 'i', 'j'], ds2.resource.schema(),
                             'empty dataset with three columns should have had three columns, but had {schema}'.format(
                                 schema=ds2.resource.schema()))
        self.assertListEqual(['OGC_FID', 'GEOMETRY'], ds3.resource.schema(),
                             'empty dataset schema should have had nothing in it, had {schema}'.format(
                                 schema=ds3.resource.schema()))

        ds3.resource.add_column('name', 'TEXT')
        ds3.resource.add_column('i', 'TEXT')
        ds3.resource.add_column('j', 'TEXT')

        self.assertListEqual(ds3.resource.schema(), ['OGC_FID', 'GEOMETRY', 'name', 'i', 'j'],
                             "added columns, but they didn't show up right: {schema}".format(schema=ds3.resource.schema()))