def get_property(line):
    """return key, value pair by splitting key=value with ="""
#    parser = re.compile(r'(.*)=(.*)')
#    match_object = parser.match(line)
#    if match_object:
#        return match_object.group(1),match_object.group(2)
    assert line.find('=') != -1
    line_list = line.split('=', 1)
    return line_list[0], line_list[1]