old_contents: # Routine to "compile" a .py file to a .pyc file.
  # This has intimate knowledge of how Python/import.c does it.
  # By Sjoerd Mullender (I forced him to write it :-).
  
  import imp
  MAGIC = imp.get_magic()
  
  def wr_long(f, x):
  	f.write(chr( x        & 0xff))
  	f.write(chr((x >> 8)  & 0xff))
  	f.write(chr((x >> 16) & 0xff))
  	f.write(chr((x >> 24) & 0xff))
  
  def compile(file, cfile = None):
  	import os, marshal, __builtin__
  	f = open(file)
  	codestring = f.read()
  	f.close()
  	timestamp = long(os.stat(file)[8])
  	codeobject = __builtin__.compile(codestring, file, 'exec')
  	if not cfile:
  		cfile = file + 'c'
  	fc = open(cfile, 'wb')
  	fc.write(MAGIC)
  	wr_long(fc, timestamp)
  	marshal.dump(codeobject, fc)
  	fc.close()
  	if os.name == 'mac':
  		import macfs
  		macfs.FSSpec(cfile).SetCreatorType('Pyth', 'PYC ')
  		macfs.FSSpec(file).SetCreatorType('Pyth', 'TEXT')
  
new_contents: # Routine to "compile" a .py file to a .pyc file.
  # This has intimate knowledge of how Python/import.c does it.
  # By Sjoerd Mullender (I forced him to write it :-).
  
  import imp
  MAGIC = imp.get_magic()
  
  def wr_long(f, x):
  	f.write(chr( x        & 0xff))
  	f.write(chr((x >> 8)  & 0xff))
  	f.write(chr((x >> 16) & 0xff))
  	f.write(chr((x >> 24) & 0xff))
  
  def compile(file, cfile = None):
  	import os, marshal, __builtin__
  	f = open(file)
  	codestring = f.read()
  	f.close()
  	timestamp = long(os.stat(file)[8])
  	codeobject = __builtin__.compile(codestring, file, 'exec')
  	if not cfile:
  		cfile = file + (__debug__ and 'c' or 'o')
  	fc = open(cfile, 'wb')
  	fc.write(MAGIC)
  	wr_long(fc, timestamp)
  	marshal.dump(codeobject, fc)
  	fc.close()
  	if os.name == 'mac':
  		import macfs
  		macfs.FSSpec(cfile).SetCreatorType('Pyth', 'PYC ')
  		macfs.FSSpec(file).SetCreatorType('Pyth', 'TEXT')
  
subject: Use the __debug__ flag to determine the proper filename extension to use for the cached module code object.