Enhancements for recort import/export (#11630)

* Add management command to list installed apps

* Add metadata to exported data file

* Validate metadata for imported file

* Update CHANGELOG.md

* Update docs

* Use internal codes

* Refactor and add more metadata

* Adjust github action workflow

* Run with --force option to setup demo dataset

src/backend/InvenTree/InvenTree/management/commands/list_apps.py

@@ -0,0 +1,29 @@
+"""Custom management command to list all installed apps.
+
+This is used to determine which apps are installed,
+including any apps which are defined for plugins.
+"""
+
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    """List all installed apps."""
+
+    def handle(self, *args, **kwargs):
+        """List all installed apps.
+
+        Note that this function outputs in a particular format,
+        which is expected by the calling code in tasks.py
+        """
+        from django.apps import apps
+
+        app_list = []
+
+        for app in apps.get_app_configs():
+            app_list.append(app.name)
+
+        app_list.sort()
+
+        self.stdout.write(f'Installed Apps: {len(app_list)}')
+        self.stdout.write('>>> ' + ','.join(app_list) + ' <<<')

src/backend/InvenTree/InvenTree/ready.py

@@ -119,6 +119,7 @@ def isGeneratingSchema():
         'collectstatic',
         'makemessages',
         'wait_for_db',
+        'list_apps',
         'gunicorn',
         'sqlflush',
         'qcluster',