new_contents: # -*- coding: utf-8 -*-
  
  from sympy.core.basic import Basic
  
  #=======================================================================================
  class F2PY_Function(Basic):
  
      def __new__(cls, func, module_name):
          return Basic.__new__(cls, func, module_name)
  
      @property
      def func(self):
          return self.args[0]
  
      @property
      def module_name(self):
          return self.args[1]
  
      @property
      def name(self):
          return 'f2py_{}'.format(self.func.name)
  
  class F2PY_Module(Basic):
  
      def __new__(cls, module):
          return Basic.__new__(cls, module)
  
      @property
      def module(self):
          return self.args[0]
  
subject: add F2PY_Function to ast and pycode and use it in epyccel_function