Sample python code for creating a simple export on LDS

create_lds_export.py

# coding: utf-8
from __future__ import absolute_import, division, print_function, unicode_literals


import os
import time

import koordinates


def progress(so_far, total):
    print('%.1f%%' % (100 * so_far / total))


def main():
    client = koordinates.Client(host='data.linz.govt.nz', token=os.environ['LDS_API_TOKEN'])

    # Do a shapefile export in WGS84
    export = koordinates.Export()
    export.crs = "EPSG:4326"
    export.formats = {
        "vector": "application/x-zipped-shp"
    }

    # https://data.linz.govt.nz/layer/50525-airport-airfield-polygon-hydro-122k-190k/
    export.add_item(client.layers.get(id=50525))

    print("Starting the export")
    client.exports.create(export)

    print("Waiting for it to be ready")
    while export.state == 'processing':
        time.sleep(5)
        export.refresh()

    print("Checking it's completed successfully")
    if export.state != 'complete':
        raise ValueError("Can't download a %r export" % export.state)

    print("Actually downloading it")
    export.download('./%s.zip' % export.name, progress_callback=progress)


if __name__ == '__main__':
    main()