Ticket #28398: candidate-commands.diff

./django/core/management/__init__.

@@ -191 +191 @@
                 # (get_commands() swallows the original one) so the user is
                 # informed about it.
                 settings.INSTALLED_APPS
             else:
                 sys.stderr.write("No Django settings specified.\n")
+            style = color_style()
+            candidates = "  ".join(cmd for cmd in sorted(commands) if subcommand in cmd)
+            if candidates:
+                candidates = "%s:  %s\n" % (style.SUCCESS("Possible candidates"), candidates)
             sys.stderr.write(
-                "Unknown command: %r\nType '%s help' for usage.\n"
-                % (subcommand, self.prog_name)
+                "%s: %r\n%sOr type '%s help' for full usage.\n"
+                % (style.NOTICE("Unknown command"), subcommand,
+                   candidates, self.prog_name)
             )
             sys.exit(1)
         if isinstance(app_name, BaseCommand):
             # If the command is already loaded, use it directly.
             klass = app_name