windows下一个简单的输入法模块[Python]

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# coding:cp936# by 书记: bh2#qq.com# do what you want to do with this script# pywin32 neededimport win32conimport win32apiclass InputMethod(list):    def __init__(self):        name = "Keyboard Layout\\Preload"        _k_id = win32api.RegOpenKey(win32con.HKEY_CURRENT_USER, name)                name = "System\\CurrentControlSet\\Control\\Keyboard Layouts\\"        _i, _running, _ids = 1, True, list()        while _running:            try:                _id = win32api.RegQueryValueEx(_k_id, str(_i))[0]                _i += 1                _k_name = win32api.RegOpenKey(win32con.HKEY_LOCAL_MACHINE, name + _id)                _name = win32api.RegQueryValueEx(_k_name, 'Layout Text')[0]                self.append((_id, _name))                win32api.RegCloseKey(_k_name)            except:                _running = False                win32api.RegCloseKey(_k_id)    def set(self, _im):        win32api.LoadKeyboardLayout(_im[0], win32con.KLF_ACTIVATE)    if __name__ == '__main__':    im = InputMethod()    for i, v in enumerate(im):        print '【输入法%d】: %s'  % (i, v[1])    try:        i = input('设置输入法(输入数字并回车): ')        im.set(im[i])        print '成功将输入法设置为【%s】' % im[i][1]    except:        print '输入有误'