Parse geojson downloaded from https://wambachers-osm.website/boundaries/

parse_geojson.py

from os import listdir, rename
from os.path import isfile, join
import simplejson as json
import ijson


def read_file(file_path):
    print(file_path)
    with open(file_path, "rb") as _file:
        obj = ijson.items(_file, "features.item")
        features = (o for o in obj if o["type"] == "Feature")
        for feature in features:
            # write to a new file
            file_name = feature['properties']['name']
            _geoJson = {
                "type": "FeatureCollection",
                "features": [feature]
            }
            write_file(file_name, _geoJson)
            print(f"Wrote => {file_name}")

write_count = 0
def write_file(file_name, obj):
    _f_name = file_name.lower().replace("/", "_").replace(" ", "_")
    print(f"Writing geoJSON to => {_f_name}")
    _file_path = join("./mapTestBackend/geojson", _f_name)+".json"
    with open(_file_path, "w") as json_file:
        json.dump(obj, json_file, use_decimal=True, indent=2,
                  separators=(",", ":"), encoding='utf-8')
        write_count += 1


_dir_path = "./uk/"
_files = []
for _file in listdir(_dir_path):
    full_path = join(_dir_path, _file)
    if isfile(full_path):
        new_name = full_path.strip().replace(" ", "_")
        rename(full_path, new_name)
        # _files.append(new_name)
        read_file(new_name)


print(f"Wrote {write_count} files")

requirements.txt

simplejson=3.17.0
ijson=2.6.1