def _parse_mysql_info_line()

in mysql-connector-python/cpydist/utils.py [0:0]

• 29 lines of code
• 14 McCabe index (conditional complexity)

def _parse_mysql_info_line(line):
    """Parse a command line.

    This will never be perfect without special knowledge about all possible
    command lines "mysql_config" might output. But it should be close enough
    for our usage.
    """
    args = shlex.split(line)

    # Find out what kind of argument it is first,
    # if starts with "--", "-" or nothing
    pre_parsed_line = []
    for arg in args:
        re_obj = re.search(r"^(--|-|)(.*)", arg)
        pre_parsed_line.append(re_obj.group(1, 2))

    parsed_line = []

    while pre_parsed_line:
        (type1, opt1) = pre_parsed_line.pop(0)

        if "=" in opt1:
            # One of "--key=val", "-key=val" or "key=val"
            parsed_line.append(tuple(opt1.split("=", 1)))
        elif type1:
            # We have an option that might have a value
            # in the next element in the list
            if pre_parsed_line:
                (type2, opt2) = pre_parsed_line[0]
                if type2 == "" and "=" not in opt2:
                    # Value was in the next list element
                    parsed_line.append((opt1, opt2))
                    pre_parsed_line.pop(0)
                    continue
            if type1 == "--":
                # If "--" and no argument then it is an option like "--fast"
                parsed_line.append(opt1)
            else:
                # If "-" (and no "=" handled above) then it is a
                # traditional one character option name that might
                # have a value
                val = opt1[1:]
                if val:
                    parsed_line.append((opt1[:1], val))
                else:
                    parsed_line.append(opt1)
        else:
            LOGGER.warning("Could not handle '%s' in '%s'", opt1, line)

    return parsed_line