kml-filter

kml-filter.py

#!/usr/bin/env python

import sys

from lxml import etree
from pykml import parser
from rich.pretty import pprint

# small point coords
small_point_lat = "-69.80"
small_point_lng = "43.75"

input_file = sys.argv[1]
output_file = input_file.replace('.kml', '.shortened.kml')

with open(input_file) as f:
    doc = parser.parse(f)
    for elt in doc.iter():
        if elt.tag == "{http://www.opengis.net/kml/2.2}Placemark":
            placemark = elt

            inner_text = ''.join(placemark.itertext())
            if not (small_point_lat or small_point_lng) in inner_text:
                pprint(f"removing {placemark}")
                placemark.getparent().remove(placemark)

    with open(output_file, 'wb') as outfile:
        outfile.write(etree.tostring(doc, pretty_print=True))