better component error messages

fatal errors cancel the export instead of crashing

1 files changed, 8 insertions, 0 deletions

diff --git a/src/toolkit/common.py b/src/toolkit/common.py
index 5fe601f..251a2c1 100644
--- a/src/toolkit/common.py
+++ b/src/toolkit/common.py
@@ -107,3 +107,11 @@ def rgbFromString(string):
         return tup
     except:
         return (255, 255, 255)
+
+
+def formatTraceback(tb=None):
+    import traceback
+    if tb is None:
+        import sys
+        tb = sys.exc_info()[2]
+    return 'Traceback:\n%s' % "\n".join(traceback.format_tb(tb))