code: def setUp(self, tp, empty=False):
          '''Problematic, loose all model group information.
          <all>, <choice>, <sequence> ..
  
             tp -- type definition
             empty -- no model group, just use as a dummy holder.
          '''
          self._item = tp
          
          self.name = tp.getAttribute('name')
          self.ns = tp.getTargetNamespace()
          self.mixed = tp.isMixed()
          self.mgContent = ()
          self.attrComponents = self._setAttributes(tp.getAttributeContent())
          
          # Save reference to type for debugging
          self._item = tp
          
          if empty:
              return
          
          model = tp.content
          if model.isReference(): 
              model = model.getModelGroupReference()
          
          if model is None:
              return
          
          if model.content is None:
              return
         
          # sequence, all or choice
          #self.mgContent = model.content
          self.mgContent = modef setUp(self, tp, empty=False):
          '''Problematic, loose all model group information.
          <all>, <choice>, <sequence> ..
  
             tp -- type definition
             empty -- no model group, just use as a dummy holder.
          '''
          self._item = tp
          
          self.name = tp.getAttribute('name')
          self.ns = tp.getTargetNamespace()
          self.mixed = tp.isMixed()
          self.mgContent = ()
          self.attrComponents = self._setAttributes(tp.getAttributeContent())
          
          # Save reference to type for debugging
          self._item = tp
          
          if empty:
              return
          
          model = tp.content
          if model.isReference(): 
              model = model.getModelGroupReference()
          
          if model is None:
              return
          
          if model.content is None:
              return
         
          # sequence, all or choice
          #self.mgContent = model.content
          self.mgContent = model
docs: Problematic, loose all model group information.
          <all>, <choice>, <sequence> ..
  
             tp -- type definition
             empty -- no model group, just use as a dummy holder.