Create and use a decorator for background functions

app/decorators.py

@@ -1,16 +1,38 @@
-from flask import abort
+from flask import abort, current_app
 from flask_login import current_user
 from flask_socketio import disconnect
 from functools import wraps
-from .models import Permission
+from threading import Thread
 
 
 def admin_required(f):
     @wraps(f)
     def wrapped(*args, **kwargs):
-        if not current_user.can(Permission.ADMIN):
+        if current_user.is_administrator:
+            return f(*args, **kwargs)
+        else:
             abort(403)
-        return f(*args, **kwargs)
+    return wrapped
+
+
+def background(f):
+    ''' This decorator executes a function in a Thread '''
+    @wraps(f)
+    def wrapped(*args, **kwargs):
+        app = current_app._get_current_object()
+        thread = Thread(target=f, args=(app, *args), kwargs=kwargs)
+        thread.start()
+        return thread
+    return wrapped
+
+
+def socketio_admin_required(f):
+    @wraps(f)
+    def wrapped(*args, **kwargs):
+        if current_user.is_administrator:
+            return f(*args, **kwargs)
+        else:
+            disconnect()
     return wrapped
 
 
@@ -22,13 +44,3 @@ def socketio_login_required(f):
         else:
             return f(*args, **kwargs)
     return wrapped
-
-
-def socketio_admin_required(f):
-    @wraps(f)
-    def wrapped(*args, **kwargs):
-        if not current_user.can(Permission.ADMIN):
-            disconnect()
-        else:
-            return f(*args, **kwargs)
-    return wrapped