add app_utils for motion_assert, contextMenu og GraphItem, further fixes

backlight.py

@@ -14,13 +14,13 @@ import epics
 #from app_utils import assert_motor_positions
 
 class Backlight(object):
-  def __init__(self, prefix: str='SAR-EXPMX:MOT_BLGT'):
+  def __init__(self, prefix: str='SAR-EXPMX:MOT_BLGT',pos={'pos_in':-29000,'pos_out':0,'pos_diode':0}):
     if prefix is None:
       self._sim={'pos':'out'}
       _log.info('simulated mode:{}'.format(self._sim))
       return #simulated mode
     self._mot = epics.Motor(prefix)
-    self._pos = {'in':-29000,'out':0}
+    self._pos = pos
 
   def is_pos(self,strPos):
     try:
@@ -29,7 +29,7 @@ class Backlight(object):
       _log.info('simulated mode:{}'.format(strPos))
       return self._sim['pos']==strPos
     m.refresh()
-    return abs(m.readback - self._pos[strPos]) < 10
+    return abs(m.readback - self._pos['pos_'+strPos]) < 10
 
   def move(self, strPos, wait=False):
     try:
@@ -40,7 +40,7 @@ class Backlight(object):
       return
     m=self._mot
     _log.debug("backlight to {}".format(strPos))
-    target=self._pos[strPos]
+    target=self._pos['pos_'+strPos]
     m.move(target, ignore_limits=True, wait=wait)
 
 
@@ -55,7 +55,7 @@ if __name__ == "__main__":
   parser.add_argument("-t", "--test", help="test sequence", action="store_true")
 
   args = parser.parse_args()
-  os.environ['EPICS_CA_ADDR_LIST'] = '129.129.244.255 sf-saresc-cagw.psi.ch:5062 sf-saresc-cagw.psi.ch:5066'
+  os.environ['EPICS_CA_ADDR_LIST']='129.129.244.255 sf-saresc-cagw.psi.ch:5062 sf-saresc-cagw.psi.ch:5066'
   _log.info('Arguments:{}'.format(args.__dict__))
 
   bl = Backlight()