feat: update language list

Refs: #157

web-app/django/VIM/apps/instruments/management/commands/import_languages.py

@@ -1,29 +1,59 @@
 """This module imports possible languages for instrument names from Wikidata."""
 
+import requests
 from django.core.management.base import BaseCommand
 from VIM.apps.instruments.models import Language
 
 
 class Command(BaseCommand):
     """
     The import_languages command populates the database with languages in which instrument
-    names can be provided in VIM.
-
-    NOTE: For now, this script only imports English and French.
+    names can be provided in VIM. It fetches the language list from Wikidata, retrieves the
+    'wikidata_code', 'wikidata_id', 'autonym', and 'en_label', and stores them in the database.
     """
 
     help = "Imports possible languages for instrument names from Wikidata."
 
+    WIKIDATA_SPARQL_URL = "https://query.wikidata.org/sparql"
+
     def handle(self, *args, **options):
-        Language.objects.create(
-            wikidata_code="fr",
-            wikidata_id="Q150",
-            en_label="french",
-            autonym="français",
+        query = """
+        SELECT ?language ?languageLabel ?ISO639code ?autonym WHERE {
+          ?language wdt:P31 wd:Q34770;   # Instance of a natural language
+                   wdt:P424 ?ISO639code; # ISO 639 code
+                   rdfs:label ?autonym filter (lang(?autonym) = ?ISO639code).
+          SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
+        }
+        """
+
+        headers = {"Accept": "application/sparql-results+json"}
+        response = requests.get(
+            self.WIKIDATA_SPARQL_URL,
+            params={"query": query},
+            headers=headers,
+            timeout=50,
         )
-        Language.objects.create(
-            wikidata_code="en",
-            wikidata_id="Q1860",
-            en_label="english",
-            autonym="english",
+        data = response.json()
+
+        for item in data["results"]["bindings"]:
+            wikidata_code = item["ISO639code"]["value"]
+            wikidata_id = item["language"]["value"].split("/")[-1]
+            en_label = item["languageLabel"]["value"]
+            autonym = item["autonym"]["value"]
+
+            print(wikidata_code, "-", wikidata_id, "-", en_label, "-", autonym)
+
+            Language.objects.update_or_create(
+                wikidata_code=wikidata_code,
+                defaults={
+                    "wikidata_id": wikidata_id,
+                    "en_label": en_label,
+                    "autonym": autonym,
+                },
+            )
+
+        self.stdout.write(
+            self.style.SUCCESS(
+                f"Successfully imported {len(data['results']['bindings'])} languages."
+            )
         )