shell_completion.py 文件源码

def safe_split_line(inputline):
    parser = shlex.shlex(inputline, posix=True)
    parser.whitespace_split = True
    res = []
    # track whether or not we're looking at quoted text -- it should suppress a
    # lot of types of completion if we see an open quote without a close quote
    quoted = False
    try:
        for val in parser:
            res.append(val)
    # No closing quotation
    except ValueError:
        quoted = True
    # grab the last token from the shlexer
    if parser.token:
        res.append(parser.token)
    return res, quoted