code: def build_includes():
      
      print("Running scripts in _include:")
      cwd = os.getcwd()
      os.chdir('_include')
      pyfiles = glob.glob('*.py')
      for fn in pyfiles:
          if not fn.startswith('_'):
              print(' {}'.format(fn))
              subprocess.check_output(['python', fn])
      os.chdir(cwd)
docs: Creates rst files in the _include directory using the python scripts
      there.
  
      This will ignore any files in the _include directory that start with ``_``.