From 52289ac48f7867a92051dc5ece05e992fe40a160 Mon Sep 17 00:00:00 2001
From: Victor Sergeyev <vsergeyev@mirantis.com>
Date: Fri, 13 Dec 2013 11:33:16 +0200
Subject: [PATCH] Add model_query() to db.sqlalchemy.utils module

Added query helper - model_query() function.
There are similar functions in Nova, Cinder, and other projects, so it
makes sense to move this helper to common db code.

POC in Nova - Ic14d2214c8ce16d6b22c6f31511aa6c0838aa17a

Change-Id: I86e78eadc5a76d47452dfefbd4faef697d613b50
---
 openstack/common/context.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/openstack/common/context.py b/openstack/common/context.py
index 182b044..09019ee 100644
--- a/openstack/common/context.py
+++ b/openstack/common/context.py
@@ -98,3 +98,14 @@ def get_context_from_function_and_args(function, args, kwargs):
             return arg
 
     return None
+
+
+def is_user_context(context):
+    """Indicates if the request context is a normal user."""
+    if not context:
+        return False
+    if context.is_admin:
+        return False
+    if not context.user_id or not context.project_id:
+        return False
+    return True