text: import os
  import sys
  import shutil
  import tempfile
  from subprocess import Popen, PIPE
  from os.path import abspath, dirname, isfile, join
  
  
  ENV = os.environ
  ENV['PREFIX'] = sys.prefix
  if sys.platform == 'win32':
      ENV['PATH'] = r'%s\Scripts;%s' % (sys.prefix, os.getenv('PATH'))
  else:
      ENV['PATH'] = '%s/bin:%s' % (sys.prefix, os.getenv('PATH'))
  
  
  def parse(path):
      with open(path) as fi:
          data = '\n' + fi.read().replace('\r', '')
      for sec in data.split('\n#@'):
          sec = sec.strip()
          if not sec:
              continue
          parts = sec.split('\n', 1)
          if len(parts) == 1:
              parts.append('')
          assert len(parts) == 2, parts
          yield tuple(parts)
  
  
  def process(path):
      with open(path, 'rb') as fi:
          header = fi.read(2)
          if header != b'#@':
              print("Warning: ignoring '%s' (unexpected header '%s')" %
                    (path, header))
              return
      for cmd, dat in parse(path):
          cmd = cmd.replace('$PREFIX', sys.prefix)
          if dat:
              tmp_dir = tempfile.mkdtemp()
              filepath = join(tmp_dir, 'config')
              with open(filepath, 'w') as fo:
                  fo.write(dat + '\n')
              cmd = cmd.replace('$FILE', filepath)
          # We require shell so that builtins like 'md' can be used
          # See https://goo.gl/kCkJU2 for why stdout and sterr are required
          p = Popen(cmd, env=ENV, stdin=PIPE, stdout=PIPE,
                    stderr=PIPE, shell=True)
          p.communicate(input=(dat + '\n').encode('utf-8'))
          if dat:
              shutil.rmtree(tmp_dir)
  
  
  def usage():
      sys.exit("""\
  Usage: %s INSTALLER_PATH
  
  Executes the .aic files next to the Miniconda or Anaconda installer.
  INSTALLER_PATH is the path to the installer itself.
  """ % sys.argv[0])
  
  
  def main():
      if len(sys.argv) != 2:
          usage()
      if sys.argv[1] == '--help':
          usage()
  
      installer_path = abspath(sys.argv[1])
      if not isfile(installer_path):
          print("Warning: no such file: %s" % installer_path)
          return
  
      dir_path = dirname(installer_path)
      for fn in os.listdir(dir_path):
          path = join(dir_path, fn)
          if fn.endswith('.aic') and isfile(path):
              process(path)
  
  
  if __name__ == '__main__':
      main()
  