✨(anct) fetch and display organization names of communes

ANCT-specific extraction of organization names for communes, front
end changes to match.

src/backend/plugins/organizations.py

@@ -3,6 +3,7 @@
 import logging
 
 import requests
+from requests.adapters import HTTPAdapter, Retry
 
 from core.plugins.base import BaseOrganizationPlugin
 
@@ -33,20 +34,17 @@ class NameFromSiretOrganizationPlugin(BaseOrganizationPlugin):
             logger.warning("Empty list 'liste_enseignes' in %s", organization_data)
         return None
 
-    def _get_organization_name_from_siret(self, siret):
-        """Return the organization name from the SIRET."""
-        try:
-            response = requests.get(self._api_url.format(siret=siret), timeout=10)
-            response.raise_for_status()
-            data = response.json()
-        except requests.RequestException as exc:
-            logger.exception("%s: Unable to fetch organization name from SIRET", exc)
-            return None
-
+    def get_organization_name_from_results(self, data, siret):
+        """Return the organization name from the results of a SIRET search."""
         for result in data["results"]:
+            nature = "nature_juridique"
+            commune = nature in result and result[nature] == "7210"
             for organization in result["matching_etablissements"]:
                 if organization.get("siret") == siret:
-                    return self._extract_name_from_organization_data(organization)
+                    if commune:
+                        return organization["libelle_commune"].title()
+
+                return self._extract_name_from_organization_data(organization)
 
         logger.warning("No organization name found for SIRET %s", siret)
         return None
@@ -63,10 +61,21 @@ class NameFromSiretOrganizationPlugin(BaseOrganizationPlugin):
 
         # In the nominal case, there is only one registration ID because
         # the organization as been created from it.
-        name = self._get_organization_name_from_siret(
-            organization.registration_id_list[0]
-        )
-        if not name:
+        try:
+            # Retry logic as the API may be rate limited
+            s = requests.Session()
+            retries = Retry(total=5, backoff_factor=0.1, status_forcelist=[429])
+            s.mount("https://", HTTPAdapter(max_retries=retries))
+
+            siret = organization.registration_id_list[0]
+            response = s.get(self._api_url.format(siret=siret), timeout=10)
+            response.raise_for_status()
+            data = response.json()
+            name = self.get_organization_name_from_results(data, siret)
+            if not name:
+                return
+        except requests.RequestException as exc:
+            logger.exception("%s: Unable to fetch organization name from SIRET", exc)
             return
 
         organization.name = name