#NEWLINE# def __init__( self , * args , **kwargs ) : #NEWLINE# #INDENT# ' Constructor\n\n        Performs initial setup defining `_context` and merging\n        `context`.\n        ' #NEWLINE# self . _context = { #NEWLINE# #INDENT# #NEWLINE# #UNINDENT# } #NEWLINE# context = getattr ( self , 'context' , { #NEWLINE# #INDENT# #NEWLINE# #UNINDENT# } ) #NEWLINE# self . merge_context ( context ) #NEWLINE# if hasattr ( self , 'set_context' ) : #NEWLINE# #INDENT# self . merge_context ( self . set_context ( ) ) #NEWLINE# #UNINDENT# super ( ContextMixin , self ) . __init__ ( * args , ** kwargs )