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------------------------------------------------------------
revno: 3748
committer: Jan Stransky <jan.stransky@xxxxxxxxxxx>
timestamp: Wed 2013-11-06 15:47:35 +0100
message:
  Modified error message if not yade.runtime.hasDisplay (bug #1241817)
modified:
  gui/qt4/__init__.py


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=== modified file 'gui/qt4/__init__.py'
--- gui/qt4/__init__.py	2012-08-23 12:04:26 +0000
+++ gui/qt4/__init__.py	2013-11-06 14:47:35 +0000
@@ -1,6 +1,11 @@
 # encoding: utf-8
 import yade.runtime
-if not yade.runtime.hasDisplay: raise ImportError("Connecting to DISPLAY at Yade startup failed, unable to activate the qt4 interface.")
+if not yade.runtime.hasDisplay:
+	msg = "Connecting to DISPLAY at Yade startup failed, unable to activate the qt4 interface."
+	import os
+	'YADE_BATCH' in os.environ:
+		msg += "\nDo not import qt when running in batch mode."
+	raise ImportError(msg)
 
 from PyQt4.QtGui import *
 from PyQt4 import QtCore