🌐(backend) internationalize demo

This allows the demo to generate user and filenames with other locales
than English, for all languages defined in the project's settings.
In particular, it allows the generation of accented names, which were
previously missing.

Author: Ash-Crow

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to
 - ♿(frontend) improve accessibility:
   - ♿(frontend) improve share modal button accessibility #1626
 
+### Changed
+
+- 🌐(backend) internationalize demo #1644
+
 ## [3.10.0] - 2025-11-18
 
 ### Added

src/backend/demo/management/commands/create_demo.py

@@ -17,7 +17,8 @@
 
 from demo import defaults
 
-fake = Faker()
+languages = [x for (x,y) in settings.LANGUAGES]
+fake = Faker(languages)
 
 logger = logging.getLogger("impress.commands.demo.create_demo")
 
@@ -127,7 +128,7 @@ def create_demo(stdout):
                     is_staff=False,
                     short_name=first_name,
                     full_name=f"{first_name:s} {random.choice(last_names):s}",
-                    language=random.choice(settings.LANGUAGES)[0],
+                    language=random.choice(languages),
                 )
             )
         queue.flush()
@@ -179,8 +180,7 @@ def create_demo(stdout):
                     is_superuser=False,
                     is_active=True,
                     is_staff=False,
-                    language=dev_user["language"]
-                    or random.choice(settings.LANGUAGES)[0],
+                    language=dev_user["language"] or random.choice(languages),
                 )
             )