parameters: (self, *args)
docstring: Apply first function SUBST to arguments, than FUNC.
docstring_summary: Apply first function SUBST to arguments, than FUNC.
docstring_tokens: Apply first function SUBST to arguments than FUNC .
function: def __call__(self, *args):
          """Apply first function SUBST to arguments, than FUNC."""
          try:
              if self.subst:
                  args = self.subst(*args)
              return self.func(*args)
          except SystemExit:
              raise
          except:
              self.widget._report_exception()
function_tokens: def __call__ ( self , * args ) : try : if self . subst : args = self . subst ( * args ) return self . func ( * args ) except SystemExit : raise except : self . widget . _report_exception ( )