From 77aed43a99a295f3202063edefcb7ce01e011958 Mon Sep 17 00:00:00 2001
From: gdamms <damguillotin@gmail.com>
Date: Fri, 24 Jul 2026 12:44:20 +0200
Subject: first commit

---
 src/n2000.py | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 src/n2000.py

(limited to 'src/n2000.py')

diff --git a/src/n2000.py b/src/n2000.py
new file mode 100644
index 0000000..357f744
--- /dev/null
+++ b/src/n2000.py
@@ -0,0 +1,96 @@
+import re
+import requests
+
+
+reponse = requests.get("https://www.natura2000.fr/carte-natura2000")
+regex = r"\"entity_id\":\"(\d+)\""
+matches = re.findall(regex, reponse.text)
+
+
+kml_file = open("natura_2000.kml", "w", encoding="utf-8")
+kml_file.write("""<?xml version="1.0" encoding="UTF-8"?>
+<kml xmlns="http://www.opengis.net/kml/2.2">
+  <Document>
+    <name>Natura 2000</name>
+""")
+
+
+for i, match in enumerate(matches):
+    url = f"https://www.natura2000.fr/leaflet-ajax-popup/node/{match}/pop_up_n2000_field/und?_wrapper_format=drupal_ajax"
+    response = requests.get(url)
+
+    regex = r"href=\\u0022\\/site-natura\\/(.*?)\\u0022"
+    match = re.search(regex, response.text)
+
+    if not match:
+        print(f"No match found for entity_id {match}.")
+        continue
+
+    site_url = f"https://www.natura2000.fr/site-natura/{match.group(1)}"
+    response = requests.get(site_url)
+
+    regex = r"<title>(.*?) \| Natura 2000</title>"
+    match = re.search(regex, response.text)
+    if not match:
+        print(f"No name found for {site_url}.")
+        continue
+    name = match.group(1)
+
+    regex = r"\"type\":\"(multipolygon|polygon)\""
+    match = re.search(regex, response.text)
+    if not match:
+        print(f"No geometry type found for {site_url}.")
+        continue
+    geometry_type = match.group(1)
+    
+    if geometry_type == "polygon":
+        regex = r"\"points\":(\[\[.*?\]\])"
+    elif geometry_type == "multipolygon":
+        regex = r"\"points\":(\[\[\[.*?\]\]\])"
+    else:
+        print(f"Unsupported geometry type {geometry_type} for {site_url}.")
+        continue
+
+    match = re.search(regex, response.text)
+    if not match:
+        print(f"No coordinates found for {site_url}.")
+        continue
+    polygons = eval(match.group(1))
+    
+    if geometry_type == "polygon":
+        # Wrap single polygon in a list to treat it as multipolygon
+        polygons = [polygons]
+
+    kml_file.write(f"""
+        <Placemark>
+          <name>{name}</name>
+          <description>
+            {name}<br/>{site_url}
+          </description>
+          <MultiGeometry>
+          """)
+
+    for polygon in polygons:
+        kml_file.write("""
+          <Polygon>
+            <outerBoundaryIs>
+              <LinearRing>
+                <coordinates>
+        """)
+        for point in polygon[0]:
+            kml_file.write(f"{point['lon']},{point['lat']},0\n")
+        kml_file.write("""
+                    </coordinates>
+                </LinearRing>
+                </outerBoundaryIs>
+            </Polygon>
+            """)
+    kml_file.write(f"""
+        </MultiGeometry>
+    </Placemark>
+    """)
+    
+    print(f"Processed: {name} ({i+1: 5d}/{len(matches)})")
+
+kml_file.write("""  </Document>
+</kml>""")
-- 
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