From 5396fd765dc8030a0c02fab325092dfd84eb25e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@stuvel.eu>
Date: Fri, 1 Apr 2016 14:11:30 +0200
Subject: [PATCH] Better reporting when the user is not logged in.

---
 blender_cloud/gui.py    | 10 +++++++++-
 blender_cloud/pillar.py |  3 +++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/blender_cloud/gui.py b/blender_cloud/gui.py
index b6f2ee6..509f0da 100644
--- a/blender_cloud/gui.py
+++ b/blender_cloud/gui.py
@@ -566,7 +566,15 @@ class BlenderCloudBrowser(bpy.types.Operator):
         bgl.glRectf(0, 0, content_width, content_height)
 
         font_id = 0
-        text = "An error occurred:\n%s" % self.async_task.exception()
+        ex = self.async_task.exception()
+        if isinstance(ex, pillar.UserNotLoggedInError):
+            ex_msg = 'You are not logged in on Blender ID. Please log in at User Preferences, ' \
+                     'System, Blender ID.'
+        else:
+            ex_msg = str(ex)
+            if not ex_msg:
+                ex_msg = str(type(ex))
+        text = "An error occurred:\n%s" % ex_msg
         lines = textwrap.wrap(text)
 
         bgl.glColor4f(1.0, 1.0, 1.0, 1.0)
diff --git a/blender_cloud/pillar.py b/blender_cloud/pillar.py
index c8ef537..611a967 100644
--- a/blender_cloud/pillar.py
+++ b/blender_cloud/pillar.py
@@ -27,6 +27,9 @@ class UserNotLoggedInError(RuntimeError):
     This is basically for every interaction with Pillar.
     """
 
+    def __str__(self):
+        return 'UserNotLoggedInError'
+
 
 class PillarError(RuntimeError):
     """Raised when there is some issue with the communication with Pillar.