用户路径中的utf-8字符可防止导入模块

Question

我尝试导入nltk模块时显示以下错误消息

其实,我的0xb3(?)人物在我的用户名,但让我困扰的是,其他的模块,如re,codecs等成功导入.

是否有可能在Python端解决它(不改变系统范围内的用户名)？

File "C:\Python27\lib\ntpath.py", line 310, in expanduser
    return userhome + path[i:]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xb3 in position 13: ordinal not in range(128)

Answer 1

由于 ntpath.py文件中没有 unicode username 的编码，因此您需要在expanduser(path)函数中添加以下命令ntpath.py：

if isinstance(path, unicode):
    userhome = unicode(userhome,'unicode-escape').encode('utf8')

所以expanduser函数必须如下所示：

def expanduser(path):
    """Expand ~ and ~user constructs.

    If user or $HOME is unknown, do nothing."""
    if isinstance(path, bytes):
        tilde = b'~'
    else:
        tilde = '~'
    if not path.startswith(tilde):
        return path
    i, n = 1, len(path)
    while i < n and path[i] not in _get_bothseps(path):
        i += 1

    if 'HOME' in os.environ:
        userhome = os.environ['HOME']
    elif 'USERPROFILE' in os.environ:
        userhome = os.environ['USERPROFILE']
    elif not 'HOMEPATH' in os.environ:
        return path
    else:
        try:
            drive = os.environ['HOMEDRIVE']
        except KeyError:
            drive = ''
        userhome = join(drive, os.environ['HOMEPATH'])

    if isinstance(path, bytes):
        userhome = userhome.encode(sys.getfilesystemencoding())

    if isinstance(path, unicode):
        userhome = unicode(userhome,'unicode-escape').encode('utf8')

    if i != 1: #~user
        userhome = join(dirname(userhome), path[1:i])

    return userhome + path[i:]