old_contents: # encoding=utf-8
  #################################
  # Author: ideawu
  # Link: http://www.ideawu.net/
  #################################
  
  import sys, os
  import signal
  def __sigint__(n, f):
  	sys.exit(0)
  signal.signal(signal.SIGINT, __sigint__);
  
  def usage():
  	print ('Cpy - A C-like scripting language.')
  	print ('Copyright (c) 2012 ideawu.com')
  	print ('')
  	print ('Usage:')
  	print ('    cpy source_file')
  
  # 不然管道时报错
  reload(sys)
  sys.setdefaultencoding('utf-8')
  
  from engine import CpyEngine
  cpy = CpyEngine()
  
  if len(sys.argv) < 2:
  	usage()
  	sys.exit(0)
  
  is_compile = False;
  if sys.argv[1] == '-c':
  	is_compile = True
  	if len(sys.argv) >= 3:
  		srcfile = sys.argv[2]
  	else:
  		usage()
  		sys.exit(0)
  else:
  	srcfile = sys.argv[1]
  
  if not srcfile.endswith('.cpy'):
  	srcfile += '.cpy'
  if not os.path.exists(srcfile):
  	print ("File not found!: " + srcfile)
  	sys.exit(0)
  
  base_dir, tail = os.path.split(srcfile)
  if len(base_dir) == 0:
  	base_dir = '.'
  
  dstfile = cpy.compile(srcfile, base_dir, base_dir + '/_cpy_')
  sys.path.append(os.path.dirname(dstfile))
  
  #print ('-----')
  #print (''.join(open(dstfile, 'r').readlines()))
  #print ('-----')
  
  dstfile = os.path.abspath(dstfile)
  #os.chdir(base_dir);
  if not is_compile:
  	sys.argv = sys.argv[1 :]
  	sys.path.insert(0, os.path.dirname(dstfile))
  	try:
  		execfile(dstfile)
  	except Exception,e:
  		import traceback
  		sys.stderr.write(traceback.format_exc())
  		pass
  
new_contents: # encoding=utf-8
  #################################
  # Author: ideawu
  # Link: http://www.ideawu.net/
  #################################
  
  import sys, os
  import signal
  def __sigint__(n, f):
  	sys.exit(0)
  signal.signal(signal.SIGINT, __sigint__);
  
  def usage():
  	print ('Cpy - A C-like scripting language.')
  	print ('Copyright (c) 2012 ideawu.com')
  	print ('')
  	print ('Usage:')
  	print ('    cpy source_file')
  
  # 不然管道时报错
  reload(sys)
  sys.setdefaultencoding('utf-8')
  
  from engine import CpyEngine
  cpy = CpyEngine()
  
  if len(sys.argv) < 2:
  	usage()
  	sys.exit(0)
  
  is_compile = False;
  if sys.argv[1] == '-c':
  	is_compile = True
  	if len(sys.argv) >= 3:
  		srcfile = sys.argv[2]
  	else:
  		usage()
  		sys.exit(0)
  else:
  	srcfile = sys.argv[1]
  
  if not srcfile.endswith('.cpy'):
  	srcfile += '.cpy'
  if not os.path.exists(srcfile):
  	print ("File not found!: " + srcfile)
  	sys.exit(0)
  
  base_dir, tail = os.path.split(srcfile)
  if len(base_dir) == 0:
  	base_dir = '.'
  
  dstfile = cpy.compile(srcfile, base_dir, base_dir + '/_cpy_')
  sys.path.append(os.path.dirname(dstfile))
  
  #print ('-----')
  #print (''.join(open(dstfile, 'r').readlines()))
  #print ('-----')
  
  dstfile = os.path.abspath(dstfile)
  #os.chdir(base_dir);
  if not is_compile:
  	sys.argv = sys.argv[1 :]
  	sys.path.insert(0, os.path.dirname(dstfile))
  	try:
  		execfile(dstfile)
  	except Exception:
  		import traceback
  		sys.stderr.write(traceback.format_exc())
  		pass
  
subject: update cpy python compatability