#NEWLINE# def _BecomeChildElement( self , tree ) : #NEWLINE# #INDENT# '\n\n    Note: Only for use with classes that have a _tag and _namespace class\n    member. It is in AtomBase so that it can be inherited but it should\n    not be called on instances of AtomBase.\n\n    ' #NEWLINE# new_child = ElementTree . Element ( '' ) #NEWLINE# tree . append ( new_child ) #NEWLINE# new_child . tag = ( '{%s}%s' % ( self . __class__ . _namespace , self . __class__ . _tag ) ) #NEWLINE# self . _AddMembersToElementTree ( new_child )