Update cities data and add script

convert_cities.py

@@ -0,0 +1,29 @@
+# This expects a file named "correspondance-code-insee-code-postal.json"
+# You can find one here : https://public.opendatasoft.com/explore/dataset/correspondance-code-insee-code-postal/export/
+
+import json
+
+with open("correspondance-code-insee-code-postal.json", "r") as f:
+    data = json.load(f)
+    mapping = dict()
+    failed = []
+    duplicates = []
+    for base_item in data:
+        item = base_item.get("fields")
+        if not item:
+            failed.append(base_item)
+        insee_com = item.get("insee_com")
+        if insee_com:
+            if insee_com in mapping:
+                duplicates.append(base_item)
+            mapping[insee_com] = {
+                "name": item.get("nom_comm"),
+                "zip_code": item.get("postal_code"),
+            }
+        else:
+            failed.append(base_item)
+    import pprint
+
+    with open("cities.py", "w") as writef:
+        writef.write(pprint.pformat(mapping, indent=4, compact=True))
+        writef.flush()