gam.py 文件源码

def openFile(filename, mode=u'rU', continueOnError=False, displayError=True):
  try:
    if filename != u'-':
      return open(os.path.expanduser(filename), mode)
    if mode.startswith(u'r'):
      return StringIOobject(text_type(sys.stdin.read()))
    return sys.stdout
  except IOError as e:
    if continueOnError:
      if displayError:
        stderrWarningMsg(e)
        setSysExitRC(FILE_ERROR_RC)
      return None
    systemErrorExit(FILE_ERROR_RC, e)

# Close a file