def unique_keeper(f):
    @wraps(f)
    def wrapper(*args):
        _result = f(*args)
        self_param = args[0]
        if link in self_param:
            print link, 'decorated'
            continue
        else:
            print 'no effect'
    return wrapper

class CarPagesCrawler(BaseCrawler):
    def __init__(self):
        self.result = []

@unique_keeper
def crawl(self, link, maxlevel):
    _result = self.result
    if maxlevel == 0:
        return

    link_content = self.open_url(link)
    # all_links = set([_ for _ in LINK_RE.findall(link_content) if 'http://' in _ if link != _][:LINKS_QUANTITY])

    if len(all_links):
        for found_link in all_links:
            for keyword in KEYWORDS:
                if self.find_whole_word(keyword, found_link):
                    print 'KEYWORD FOUND IN LINK'
                    print (found_link, keyword)
                    if found_link not in _result:
                        _result.append(found_link)
                else:
                    print 'KEYWORD NOT FOUND IN LINK'
                    print 'TRYING TO OPEN LINK'
                    self.crawl(found_link, maxlevel-1)