python安装后无法使用idle

python2.7安装后无法使用idle

通过cmd启动idle后返回异常：

Traceback (most recent call last):
  File "idle.py", line 11, in
    idlelib.PyShell.main()
  File "D:\python\python27\Lib\idlelib\PyShell.py", line 1574, in main
    shell = flist.open_shell()
  File "D:\python\python27\Lib\idlelib\PyShell.py", line 327, in open_shell
    self.pyshell = PyShell(self)
  File "D:\python\python27\Lib\idlelib\PyShell.py", line 897, in __init__
    OutputWindow.__init__(self, flist, None, None)
  File "D:\python\python27\Lib\idlelib\OutputWindow.py", line 16, in __init__
    EditorWindow.__init__(self, *args)
  File "D:\python\python27\Lib\idlelib\EditorWindow.py", line 267, in __init__
    fontWeight))
  File "D:\python\python27\lib\lib-tk\Tkinter.py", line 1322, in configure
    return self._configure('configure', cnf, kw)
  File "D:\python\python27\lib\lib-tk\Tkinter.py", line 1313, in _configure
    self.tk.call(_flatten((self._w, cmd)) + self._options(cnf))
  File "D:\python\python27\lib\lib-tk\Tkinter.py", line 1174, in _options
    nv.append(_stringify(item))
  File "D:\python\python27\lib\lib-tk\Tkinter.py", line 80, in _stringify
    value = unicode(value, 'utf-8')
UnicodeDecodeError: 'utf8' codec can't decode byte 0xd0 in position 0: invalid c
ontinuation byte

原因：win默认gbk作为系统内部编码，而配置里的编码格式是utf-8，所以导致了错误

改正：将_stringify函数里的value = unicode(value, 'utf-8')修改为value = unicode(value, 'gbk')