text: #!/usr/bin/env python
  import sys
  import os.path as osp
  from xdis import IS_PYPY
  
  # We do this crazy conversion from float to support Python 2.6 which
  # doesn't support version_major, and has a bug in
  # floating point so we can't divide 26 by 10 and get
  # 2.6
  PY_VERSION = sys.version_info[0] + (sys.version_info[1] / 10.0)
  
  def get_srcdir():
      if PY_VERSION > 2.5:
          return osp.relpath(osp.normcase(osp.dirname(__file__)))
      else:
          return osp.normcase(osp.dirname(__file__))
  
  if len(sys.argv) != 2:
      print("Usage: compile-file.py *byte-compiled-file*")
      sys.exit(1)
  
  if PY_VERSION > 2.6:
      source = osp.normpath(osp.relpath(sys.argv[1]))
  else:
      source = osp.normpath(sys.argv[1])
  
  assert source.endswith('.py')
  basename = osp.basename(source[:-3])
  
  if IS_PYPY:
      platform="pypy"
  else:
      platform=""
  
  bytecode_path = osp.normpath(osp.join(get_srcdir(),
                                        "bytecode-%s%s" % (platform, PY_VERSION),
                                        "%s.pyc" % basename))
  
  import py_compile
  print("compiling %s to %s" % (source, bytecode_path))
  py_compile.compile(source, bytecode_path, source)
  if PY_VERSION >= 2.7:
      import os
      os.system("xpython %s" % bytecode_path)
  