Ce script télécharge un fichier KML ou KMZ à partir d’un lien de partage Google MyMaps, extrait les Points of Interest (POIs), et convertit les données en JSON en enregistrant le fichier avec un nom pertinent.

GoogleMyMaps-KML-KMZ-JSON.py

import xmltodict
import json
import requests
import zipfile
import io
import os

def extract_pois(kml_dict):
    pois = []
    document = kml_dict.get('kml', {}).get('Document', {})
    
    folders = document.get('Folder', [])
    if isinstance(folders, dict):  # Ensure folders is a list
        folders = [folders]

    for folder in folders:
        placemarks = folder.get('Placemark', [])
        if isinstance(placemarks, dict):  # Ensure placemarks is a list
            placemarks = [placemarks]
        
        for placemark in placemarks:
            poi = {}
            poi['name'] = placemark.get('name')
            poi['description'] = placemark.get('description')
            
            point = placemark.get('Point')
            if point:
                coordinates = point.get('coordinates')
                if coordinates:
                    lon, lat, _ = map(float, coordinates.split(','))
                    poi['location'] = {
                        'latitude': lat,
                        'longitude': lon
                    }
            
            pois.append(poi)
    
    return pois

def extract_name(kml_dict):
    document = kml_dict.get('kml', {}).get('Document', {})
    name = document.get('name')
    if name:
        return name
    return None

def kml_to_json(kml_content, json_file_path):
    kml_dict = xmltodict.parse(kml_content)
    map_name = extract_name(kml_dict)
    pois = extract_pois(kml_dict)
    json_content = json.dumps(pois, indent=4, ensure_ascii=False)
    
    if not map_name:
        map_name = os.path.splitext(os.path.basename(json_file_path))[0]
    json_file_path = f"{map_name}.json"
    
    with open(json_file_path, 'w', encoding='utf-8') as json_file:
        json_file.write(json_content)
    
    return json_file_path  # Return the actual file path used

def download_kml_or_kmz(url):
    response = requests.get(url)
    response.raise_for_status()  # Ensure we notice bad responses
    content_type = response.headers.get('Content-Type')
    
    if 'xml' in content_type or 'kml' in content_type:
        return response.content, 'map'
    elif 'kmz' in content_type:
        with zipfile.ZipFile(io.BytesIO(response.content)) as kmz:
            for file_name in kmz.namelist():
                if file_name.endswith('.kml'):
                    with kmz.open(file_name) as kml_file:
                        return kml_file.read(), os.path.splitext(file_name)[0]
        raise ValueError("KMZ file does not contain a KML file")
    else:
        raise ValueError("URL does not point to a KML or KMZ file")

# Main script
if __name__ == "__main__":
    share_url = input("Veuillez entrer l'URL de partage de votre carte Google MyMaps : ")
    try:
        unique_id = share_url.split("mid=")[-1]
        kml_url = f"https://www.google.com/maps/d/kml?mid={unique_id}"

        kml_content, default_name = download_kml_or_kmz(kml_url)
        json_file_path = kml_to_json(kml_content, f"{default_name}.json")
        print(f"Le fichier KML/KMZ a été téléchargé et converti en JSON avec succès sous le nom {json_file_path}.")
    except Exception as e:
        print(f"Une erreur s'est produite : {e}")