old_contents: #+
  # Distutils script to install python_fontconfig. Invoke from the command line
  # in this directory as follows:
  #
  #     python3 setup.py build
  #     sudo python3 setup.py install
  #
  # Written by Lawrence D'Oliveiro <ldo@geek-central.gen.nz>.
  #-
  
  import sys
  import distutils.core
  from distutils.command.build import \
      build as std_build
  
  class my_build(std_build) :
      "customization of build to perform additional validation."
  
      def run(self) :
          try :
              import enum
          except ImportError :
              sys.stderr.write("This module requires Python 3.4 or later.\n")
              sys.exit(-1)
          #end try
          super().run()
      #end run
  
  #end my_build
  
  distutils.core.setup \
    (
      name = "Fontconfig",
      version = "0.6",
      description =
          "language bindings for the Fontconfig font-matching library, for Python 3.4 or later",
      author = "Lawrence D'Oliveiro",
      author_email = "ldo@geek-central.gen.nz",
      url = "http://github.com/ldo/python_fontconfig",
      py_modules = ["fontconfig"],
      cmdclass =
          {
              "build" : my_build,
          },
    )
  
new_contents: #+
  # Distutils script to install python_fontconfig. Invoke from the command line
  # in this directory as follows:
  #
  #     python3 setup.py build
  #     sudo python3 setup.py install
  #
  # Written by Lawrence D'Oliveiro <ldo@geek-central.gen.nz>.
  #-
  
  import sys
  import distutils.core
  from distutils.command.build import \
      build as std_build
  
  class my_build(std_build) :
      "customization of build to perform additional validation."
  
      def run(self) :
          try :
              import enum
          except ImportError :
              sys.stderr.write("This module requires Python 3.4 or later.\n")
              sys.exit(-1)
          #end try
          super().run()
      #end run
  
  #end my_build
  
  distutils.core.setup \
    (
      name = "Fontconfig",
      version = "0.6",
      description =
          "language bindings for the Fontconfig font-matching library, for Python 3.4 or later",
      author = "Lawrence D'Oliveiro",
      author_email = "ldo@geek-central.gen.nz",
      url = "https://github.com/ldo/python_fontconfig",
      py_modules = ["fontconfig"],
      cmdclass =
          {
              "build" : my_build,
          },
    )
  
subject: change URL to HTTPS