applied patch from Sönke Schwardt for Qt notifier and set version to 0.9.7

Author: sbroker-abuesching

ChangeLog

@@ -1,3 +1,13 @@
+2014-12-25  Andreas Büsching  <crunchy@bitkipper.net>
+
+	* notifier/version.py: set version to 0.9.7
+
+2014-12-25  Andreas Büsching  <crunchy@bitkipper.net>
+
+	* notifier/nf_qt.py: applied patch from Sönke Schwardt-Krummrich
+	<schwardt@univention.de> fixing problems with timer_add if there
+	is no QCoreApplication instance
+
 2014-07-03  Andreas Büsching  <crunchy@bitkipper.net>
 
 	* examples/test-twisted.py: demonstrate usage of dispatcher and
@@ -20,7 +30,7 @@
 	remove unneeded globals; fix check for None (== None → is None)
 	fix stopping of loop when timer returns falsy value
 	fix typo in example script
-	
+
 2012-03-31  Andreas Büsching  <crunchy@bitkipper.net>
 
 	* notifier/version.py: set version to 0.9.5

notifier/nf_qt.py

@@ -5,7 +5,7 @@
 #
 # QT notifier wrapper
 #
-# Copyright (C) 2004, 2005, 2006, 2007
+# Copyright (C) 2004, 2005, 2006, 2007, 2014
 #	Andreas Büsching <crunchy@bitkipper.net>
 #
 # This library is free software; you can redistribute it and/or modify
@@ -43,6 +43,9 @@
 __min_timer = None
 __exit = None
 
+class NotifierErrorQtApplicationUnset(Exception):
+	pass
+
 def _get_fd( obj ):
 	"""Returns a file descriptor. obj can be a file descriptor or an
 	object of type socket.socket, file or socket._socketobject"""
@@ -69,7 +72,11 @@ def notified( self, socket ):
 
 class Timer( qt.QTimer ):
 	def __init__( self, ms, method ):
-		qt.QTimer.__init__( self )
+		if qt.QCoreApplication.instance() is None:
+			# create a new Qt Application instance before calling timer_add, e.g.
+			# app = qt.QCoreApplication([])
+			raise NotifierErrorQtApplicationUnset()
+		qt.QTimer.__init__(self, qt.QCoreApplication.instance())
 		self.method = method
 		self.timeout.connect( self.slotTick )
 		self.start( ms )

notifier/version.py

@@ -24,7 +24,7 @@
 
 major_number    = 0
 minor_number    = 9
-revision_number = 6
+revision_number = 7
 extension       = ''
 
 VERSION = "%d.%d.%d%s" % ( major_number, minor_number,