Initial commit

2026-06-13 13:32:38 +02:00
commit 528d994ea8
9 changed files with 1003 additions and 0 deletions
--- a/departements.py
+++ b/departements.py
@@ -0,0 +1,57 @@
+"""Table des départements français et résolution depuis un code postal."""
+
+DEPARTEMENTS = {
+    "01": "Ain", "02": "Aisne", "03": "Allier", "04": "Alpes-de-Haute-Provence",
+    "05": "Hautes-Alpes", "06": "Alpes-Maritimes", "07": "Ardèche", "08": "Ardennes",
+    "09": "Ariège", "10": "Aube", "11": "Aude", "12": "Aveyron",
+    "13": "Bouches-du-Rhône", "14": "Calvados", "15": "Cantal", "16": "Charente",
+    "17": "Charente-Maritime", "18": "Cher", "19": "Corrèze",
+    "2A": "Corse-du-Sud", "2B": "Haute-Corse",
+    "21": "Côte-d'Or", "22": "Côtes-d'Armor", "23": "Creuse", "24": "Dordogne",
+    "25": "Doubs", "26": "Drôme", "27": "Eure", "28": "Eure-et-Loir",
+    "29": "Finistère", "30": "Gard", "31": "Haute-Garonne", "32": "Gers",
+    "33": "Gironde", "34": "Hérault", "35": "Ille-et-Vilaine", "36": "Indre",
+    "37": "Indre-et-Loire", "38": "Isère", "39": "Jura", "40": "Landes",
+    "41": "Loir-et-Cher", "42": "Loire", "43": "Haute-Loire", "44": "Loire-Atlantique",
+    "45": "Loiret", "46": "Lot", "47": "Lot-et-Garonne", "48": "Lozère",
+    "49": "Maine-et-Loire", "50": "Manche", "51": "Marne", "52": "Haute-Marne",
+    "53": "Mayenne", "54": "Meurthe-et-Moselle", "55": "Meuse", "56": "Morbihan",
+    "57": "Moselle", "58": "Nièvre", "59": "Nord", "60": "Oise",
+    "61": "Orne", "62": "Pas-de-Calais", "63": "Puy-de-Dôme",
+    "64": "Pyrénées-Atlantiques", "65": "Hautes-Pyrénées", "66": "Pyrénées-Orientales",
+    "67": "Bas-Rhin", "68": "Haut-Rhin", "69": "Rhône", "70": "Haute-Saône",
+    "71": "Saône-et-Loire", "72": "Sarthe", "73": "Savoie", "74": "Haute-Savoie",
+    "75": "Paris", "76": "Seine-Maritime", "77": "Seine-et-Marne", "78": "Yvelines",
+    "79": "Deux-Sèvres", "80": "Somme", "81": "Tarn", "82": "Tarn-et-Garonne",
+    "83": "Var", "84": "Vaucluse", "85": "Vendée", "86": "Vienne",
+    "87": "Haute-Vienne", "88": "Vosges", "89": "Yonne", "90": "Territoire de Belfort",
+    "91": "Essonne", "92": "Hauts-de-Seine", "93": "Seine-Saint-Denis",
+    "94": "Val-de-Marne", "95": "Val-d'Oise",
+    "971": "Guadeloupe", "972": "Martinique", "973": "Guyane",
+    "974": "La Réunion", "976": "Mayotte",
+}
+
+
+def departement_depuis_cp(cp):
+    """Retourne « NN - Nom » depuis un code postal à 5 chiffres, ou ""."""
+    cp = (cp or "").strip()
+    if len(cp) != 5 or not cp.isdigit():
+        return ""
+    if cp.startswith("97"):
+        cle = cp[:3]
+    elif cp.startswith("20"):
+        # Corse : 20000-20199 → Corse-du-Sud, 20200-20699 → Haute-Corse (approximation usuelle)
+        cle = "2A" if int(cp) < 20200 else "2B"
+    else:
+        cle = cp[:2]
+    nom = DEPARTEMENTS.get(cle)
+    return f"{cle} - {nom}" if nom else ""
+
+
+if __name__ == "__main__":
+    for cp, attendu in [("29200", "29 - Finistère"), ("20090", "2A - Corse-du-Sud"),
+                        ("20600", "2B - Haute-Corse"), ("97400", "974 - La Réunion"),
+                        ("75011", "75 - Paris"), ("00000", ""), ("abc", "")]:
+        resultat = departement_depuis_cp(cp)
+        statut = "OK" if resultat == attendu else f"ECHEC (attendu {attendu!r})"
+        print(f"{cp} -> {resultat!r} {statut}")