new_url是定义了的，但是还是出错，各位大神求教？

Question

class UrlManager(object):    def __init____(self):        self.new_urls = set()        self.old_urls = set()        def add_new_url(self, url):        if url is None:            return        if url not in self.new_urls and url not in self.old_urls:            self.new_urls.add(url)    def add_new_urls(self, urls):        if urls is None or len(urls) == 0:            return        for url in urls:            self.add_new_url(url)           def has_new_url(self):        return len(self.new_urls) != 0        def get_new_url(self):        new_url = self.new_urls.pop()        self.old_urls.add(new_url)        return new_urlTraceback (most recent call last):  File "E:\java\imooc\baike_spider\spider_main.py", line 38, in <module>    obj_spider.craw(root_url)   File "E:\java\imooc\baike_spider\spider_main.py", line 13, in craw    self.urls.add_new_url(root_url)  File "E:\java\imooc\baike_spider\url_manager.py", line 9, in add_new_url    if url not in self.new_urls and url not in self.old_urls:AttributeError: 'UrlManager' object has no attribute 'new_urls'

Answer 1

题主第二次提问了吧。 没有完整源码，真的没办法隔空调试，除非有遇到同样错误的。