python script voor het omkatten van BRTA WMTS requests naar OZON VT WMTS RESTful requests

brta2ozon.py

#!/usr/bin/env python3
"""
python script voor het omkatten van BRTA WMTS urls naar OZON VT WMTS RESTful requests
input csv moet er zo uit zien:
"https://geodata.nationaalgeoregister.nl","/tiles/service/wmts","SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=brtachtergrondkaart&STYLE=default&TILEMATRIXSET=EPSG%3A28992&TILEMATRIX=EPSG%3A28992%3A3&TILEROW=4&TILECOL=4&FORMAT=image%2Fpng8"
"""
import csv
import click
import re

HOST="https://service.pdok.nl"

def capture_expected_group(pattern, input_string):
    m = re.search(pattern, input_string)
    if len(m.groups())>0:
        return m.groups(1)[0]
    return ""

@click.command()
@click.argument('csv-file-input', type=click.Path(exists=True))
@click.argument('csv-file-output', type=click.Path(exists=False))
def main(csv_file_input, csv_file_output):
    with open(csv_file_input) as csv_file, open(csv_file_output, "w") as output_file:
        csv_reader = csv.reader(csv_file, delimiter=',')

        csv_writer = csv.writer(output_file, delimiter=',', quotechar="'")

        for row in csv_reader:
            query_string = row[2]
            if "TILEMATRIXSET=EPSG:28992" in query_string:

                x = capture_expected_group('^.*TILECOL=([0-9]+).*$', query_string)
                y = capture_expected_group('^.*TILEROW=([0-9]+).*$', query_string)
                z = capture_expected_group('^.*TILEMATRIX=(.*?)&.*$', query_string)
                if ":" in z:
                    z = z.split(":")[2]
                z = str(int(z))
                if int(z) > 10:
                    continue
                path=f"/kadaster/ozon/wmts/v1_0-preprod/locaties/EPSG:28992/{z}/{x}/{y}.pbf"
                csv_writer.writerow([f"\"{HOST}\"", f"\"{path}\"", "\"\""])

if __name__=="__main__":
    main()