Convert JSON to KML

json-kml.py

import json
import polyline
import simplekml

# Load the JSON file
with open('input.json') as f:
    data = json.load(f)

# Create a KML object
kml = simplekml.Kml()

# Loop through each feature in the JSON file
for feature in data:
    # Get the decoded path from the encoded path and invert the lat/lon coordinates
    decoded_path = [(lng, lat) for lat, lng in polyline.decode(feature['geometry']['encodedpath'])]

    # Create a linestring object and add the decoded path to it
    linestring = kml.newlinestring(name=feature['properties']['name'])
    linestring.coords = decoded_path

    # Set the style of the linestring
    linestring.style.linestyle.width = feature['properties']['width']
    linestring.style.linestyle.color = simplekml.Color.hex(feature['properties']['color'][1:])
    linestring.style.linestyle.opacity = feature['properties']['opacity']

# Save the KML file
kml.save('output.kml')