{"id":205243,"date":"2025-05-29T12:10:03","date_gmt":"2025-05-29T04:10:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205243\/"},"modified":"2025-05-29T12:10:03","modified_gmt":"2025-05-29T04:10:03","slug":"scrapy%e7%88%ac%e8%99%ab%e6%8a%a5%e9%94%99indexerror-tuple-index-out-of-range%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3-follows_url-%e7%9a%84%e6%a0%bc%e5%bc%8f%e5%8c%96%e9%97%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205243\/","title":{"rendered":"Scrapy\u722c\u866b\u62a5\u9519\u201cIndexError: tuple index out of range\u201d\uff1a\u5982\u4f55\u89e3\u51b3 follows_url \u7684\u683c\u5f0f\u5316\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Scrapy\u722c\u866b\u62a5\u9519\u201cIndexError: tuple index out of range\u201d\uff1a\u5982\u4f55\u89e3\u51b3 follows_url \u7684\u683c\u5f0f\u5316\u95ee\u9898\uff1f<\/h1>\n<p>\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300aScrapy\u722c\u866b\u62a5\u9519\u201cIndexError: tuple index out of range\u201d\uff1a\u5982\u4f55\u89e3\u51b3 follows_url \u7684\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241127\/173267175167467907e3f66.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>scrapy\u722c\u866b\u95ee\u9898<\/strong><\/p>\n<p>\u5728\u672c\u4f8b\u4e2d\uff0cscrapy\u722c\u866b\u4f3c\u4e4e\u5bfc\u81f4\u4e86\u5982\u4e0b\u9519\u8bef\uff1a<\/p>\n<pre>indexerror: tuple index out of range<\/pre>\n<p><strong>\u95ee\u9898\u5256\u6790<\/strong><\/p>\n<ul>\n<li>\u5728 zhihu.py \u6587\u4ef6\u4e2d\u4e00\u884c 20 \u7684 start_requests \u65b9\u6cd5\u4e2d\uff0c\u6709\u4e00\u4e2a request \u5bf9\u8c61\u4f7f\u7528 follows_url url \u521b\u5efa\uff1a<\/li>\n<\/ul>\n<pre>yield request(self.follows_url.format(user=self.start_user, include=self.follows_query, offset=0, limit=20), callback=self.parse_follows)<\/pre>\n<ul>\n<li>\u6839\u636e\u9519\u8bef\u4fe1\u606f\uff0c\u6b64 request \u5bf9\u8c61\u4f3c\u4e4e\u5c1d\u8bd5\u8bbf\u95ee\u8d85\u51fa\u8303\u56f4\u7684 tuple \u7d22\u5f15\u3002<\/li>\n<\/ul>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u68c0\u67e5 follows_url \u4e2d\u662f\u5426\u5b58\u5728\u201c\u7528\u6237\u201d\u53c2\u6570\u3002\u7528\u6237\u53c2\u6570\u5e94\u4e3a\u82b1\u62ec\u53f7\u5185\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u4f46\u5728\u6b64\u4f8b\u4e2d\u4f3c\u4e4e\u7f3a\u5c11\u3002<\/p>\n<p>\u6b63\u786e\u7684 follows_url \u5e94\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>follows_url = 'https:\/\/www.zhihu.com\/api\/v4\/members\/{user}\/followees?includ={include}&amp;amp;offset={offset}&amp;amp;limit={limit}'<\/pre>\n<p>\u786e\u4fdd\u5728\u521b\u5efa request \u5bf9\u8c61\u4e4b\u524d\uff0cuser \u53c2\u6570\u5df2\u6b63\u786e\u8bbe\u7f6e\u3002\u5bf9 follows_url \u7684\u683c\u5f0f\u5316\u4e5f\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u8c03\u6574\u3002<\/p>\n<p>\u6b64\u5916\uff0cpycharm \u4e2d\u51fa\u73b0\u7684\u201coverrides method in spider\u201d\u6d88\u606f\u53ef\u80fd\u662f\u56e0\u4e3a zhihuspider \u7c7b\u4e2d\u5b58\u5728\u540c\u540d\u65b9\u6cd5\u7684\u91cd\u5199\u3002\u4ece\u7236\u7c7b spider \u7ee7\u627f\u7684\u65b9\u6cd5\u5e94\u6b63\u786e\u8bbe\u7f6e\uff0c\u5e76\u4e14\u5728\u91cd\u5199\u7684\u81ea\u5b9a\u4e49\u65b9\u6cd5\u4e2d\uff0c\u4f60\u9700\u8981\u660e\u786e\u6307\u5b9a @overrides \u88c5\u9970\u5668\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aScrapy\u722c\u866b\u62a5\u9519\u201cIndexError: tuple index out of range\u201d\uff1a\u5982\u4f55\u89e3\u51b3 follows_url \u7684\u683c\u5f0f\u5316\u95ee\u9898\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scrapy\u722c\u866b\u62a5\u9519\u201cIndex&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205243","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205243"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205243\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}