{"id":1125,"date":"2018-08-02T16:23:43","date_gmt":"2018-08-02T08:23:43","guid":{"rendered":"http:\/\/www.sniper97.cn\/?p=1125"},"modified":"2018-08-02T16:23:43","modified_gmt":"2018-08-02T08:23:43","slug":"%e7%ac%ac%e5%8d%81%e5%85%ad%e8%8a%82%ef%bc%9apyspider%e6%a1%86%e6%9e%b6","status":"publish","type":"post","link":"http:\/\/www.sniper97.cn\/index.php\/note\/carwler\/1125\/","title":{"rendered":"\u7b2c\u5341\u516d\u8282\uff1apyspider\u6846\u67b6"},"content":{"rendered":"

\u672c\u9875\u4ee3\u7801\u53ef\u4ee5\u5728\u8fd9\u91cc<\/a>\u4e0b\u8f7d\u3002<\/p>\n

pyspider\u7b80\u4ecb\uff1a<\/h4>\n

pyspider\u67b6\u6784\u4e3b\u8981\u5206\u4e3aScheduler\uff08\u8c03\u5ea6\u5668\uff09\u3001fetcher\uff08\u6293\u53d6\u5668\uff09\u3001Processer\uff08\u5904\u7406\u5668\uff09\u4e09\u4e2a\u90e8\u5206\uff0c\u6574\u4e2a\u722c\u53d6\u8fc7\u7a0b\u53d7\u5230Monitor\uff08\u76d1\u63a7\u5668\uff09\u7684\u76d1\u63a7\uff0c\u6293\u53d6\u7684\u7ed3\u679c\u88abResult Worker\uff08\u7ed3\u679c\u5904\u7406\u5668\uff09\u5904\u7406\u3002
\nScheduler\u53d1\u8d77\u4efb\u52a1\u8c03\u5ea6\uff0cFetcher\u8d1f\u8d23\u6293\u53d6\u7f51\u9875\u7684\u5185\u5bb9\uff0cProcesser\u8d1f\u8d23\u89e3\u6790\u7f51\u9875\u5185\u5bb9\uff0c\u7136\u540e\u5c06\u65b0\u751f\u6210\u7684Request\u53d1\u7ed9Scheduler\u8fdb\u884c\u8c03\u5ea6\uff0c\u5c06\u751f\u6210\u7684\u63d0\u53d6\u7ed3\u679c\u8fdb\u884c\u8f93\u51fa\u4fdd\u5b58\u3002<\/p>\n

pyspider\u7684\u4f7f\u7528\uff1a<\/h4>\n

\u9996\u5148\u542f\u52a8pyspider\uff0c\u5728\u63a7\u5236\u53f0\u4e2d\u8f93\u5165 pyspider all
\n\"\"
\n\u968f\u540e\u6211\u4eec\u8bbf\u95ee\u672c\u5730127.0.0.1\uff1a5000\uff0c\u53d1\u73b0pyspider\u5df2\u7ecf\u542f\u52a8\u5b8c\u6bd5\uff0c\u8fd9\u4e2a\u754c\u9762\u5c31\u662f\u7528\u6765\u7ba1\u7406\u9879\u76ee\u3001\u7f16\u5199\u4ee3\u7801\u3001\u5728\u7ebf\u8c03\u8bd5\u3001\u76d1\u63a7\u4efb\u52a1\u7b49\u3002
\n 
\n\"\"
\n\u70b9\u51fb\u53f3\u4e0a\u89d2\u7684create\uff0c\u521b\u5efa\u9879\u76ee\u3002
\n\"\"
\n\u5176\u4e2d\uff0c\u5de6\u8fb9\u662f\u4ee3\u7801\u7684\u8c03\u8bd5\u9875\u9762\uff0c\u53f3\u8fb9\u662f\u4ee3\u7801\u7684\u7f16\u8f91\u9875\u9762\uff0c\u8fd9\u91cc\u7684Handler\u5c31\u662fpyspider\u7684\u4e3b\u7c7b\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6b64\u5b9a\u4e49\u722c\u53d6\u3001\u89e3\u6790\u3001\u5b58\u50a8\u7684\u903b\u8f91\u3002
\n\"\"
\n\u63a5\u4e0b\u6765\u6211\u4eec\u53ef\u4ee5\u770b\u5230crawl_config\u5c5e\u6027\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u5c06\u672c\u9879\u76ee\u7684\u6240\u6709\u722c\u53d6\u914d\u7f6e\u7edf\u4e00\u5b9a\u4e49\u5230\u8fd9\u91cc\uff0c\u5982Headers\u3001\u4ee3\u7406\u7b49\uff0c\u914d\u7f6e\u4e4b\u540e\u5168\u5c40\u751f\u6548\u3002
\n\u7136\u540e\u5c31\u662fon_start\uff08\uff09\uff0c\u722c\u866b\u7684\u5165\u53e3\uff0c\u521d\u59cb\u7684\u722c\u866b\u8bf7\u6c42\u4f1a\u5728\u8fd9\u91cc\u751f\u6210\u3002
\nindex_page(\uff09 \u65b9\u6cd5\u63a5\u53d7Response\uff0c\u5e76\u5bf9\u63a5\u4e86pyquery\uff0c\u6211\u4eec\u76f4\u63a5\u8c03\u7528doc\uff08\uff09\u4f20\u5165\u76f8\u5e94\u7684CSS\u9009\u62e9\u5668\u5c31\u53ef\u4ee5\u50cfpyquery\u4e00\u6837\u89e3\u6790\u9875\u9762\uff0c\u5e76\u751f\u6210\u65b0\u7684\u8bf7\u6c42\u3002
\ndetail_page\uff08\uff09 \u548cindex_page\uff08\uff09\u7c7b\u4f3c\uff0c\u53ea\u4e0d\u8fc7\u4e0d\u518d\u751f\u6210\u8bf7\u6c42\uff0c\u89e3\u6790\u4e4b\u540e\u5c06\u7ed3\u679c\u4ee5\u5b57\u5178\u7684\u5f62\u5f0f\u8fd4\u56de\u3002
\n 
\n\u70b9\u51fbrun\uff0c\u4f1a\u53d1\u73b0\u4e0b\u9762\u4f1a\u51fa\u6765\u4e00\u4e2aon_start\uff08\uff09\u6807\u6ce8\uff0c\u4e0b\u9762\u8bf7\u6c42\u90e8\u5206\u4e5f\u4f1a\u51fa\u6765\u4e00\u4e2a\u6570\u5b571\uff0c\u4ee3\u8868\u5f53\u524d\u67091\u4e2a\u8bf7\u6c42\u3002
\n 
\n 
\n\"\"
\n 
\n\u6211\u4eec\u70b9\u51fb\u8fd9\u4e2a\u8bf7\u6c42\u53ef\u4ee5\u53d1\u73b0\u8bf7\u6c42\u53d8\u6210\u4e86232\u4e2a\uff0c\u5e76\u8f93\u51fa\u4e86\u5f88\u591aURL\uff08\u56e0\u4e3a\u53f3\u8fb9\u8c03\u7528\u7684doc\uff08\uff09\u4f20\u5165\u4e86CSS\u9009\u62e9\u5668\uff0c\u9009\u62e9\u51fa\u4e86\u6240\u6709\u7684\u94fe\u63a5\uff09\u3002
\n\"\"
\n\u540c\u65f6\u70b9\u51fb\u4e0b\u9762html\u3001web\u4f1a\u51fa\u73b0\u5bf9\u5e94\u7684\u6e90\u7801\u548c\u7f51\u9875\u3002
\n\"\"
\n\u663e\u7136\uff0c\u6211\u4eec\u662f\u4e0d\u9700\u8981\u6240\u6709\u7684\u94fe\u63a5\u7684\uff0c\u5982\u679c\u6211\u4eec\u66ff\u6362doc\u91cc\u7684\u9009\u62e9\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u7b5b\u9009\u51fa\u9700\u8981\u7684\u6807\u9898\u94fe\u63a5\u3002
\n\"\"
\n\u540c\u65f6\u589e\u52a0\u4e00\u90e8\u5206\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u4e0b\u4e00\u9875\u7684\u94fe\u63a5\uff0c\u8fd9\u65f6\u5019request\u53d8\u621011\u4e2a\u3002
\n\"\"
\n\u73b0\u5728\uff0c\u7d22\u5f15\u5217\u8868\u9875\u7684\u89e3\u6790\u8fc7\u7a0b\u6211\u4eec\u5c31\u5b8c\u6210\u4e86\u3002
\npyspider\u9ed8\u8ba4\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u4f46img\u8282\u70b9\u4e0d\u5305\u62ec\u5728HTML\u6587\u6863\u4e2d\uff0c\u6240\u4ee5\u4e3a\u4e86\u89e3\u51b3\u6ca1\u6709\u56fe\u7247\u7684\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528PhantomJS\u6765\u89e3\u6790\u56fe\u7247\uff0c\u53ea\u8981\u52a0\u4e2a\u53c2\u6570\u5373\u53ef\u3002
\n 
\n\"\"
\n 
\n\u540c\u65f6\u66f4\u6539detail_page()\u9875\u9762\u4e2d\u7684\u89c4\u5219\uff0c\u53ef\u4ee5\u66f4\u6539\u6293\u53d6\u7684\u5173\u952e\u5b57\u3002
\n\"\"
\n 
\n\u4fdd\u5b58\u5e76\u9000\u56de\u5230\u4e3b\u754c\u9762\uff0c\u66f4\u6539\u72b6\u6001\u4e3aRUNNING
\n\"\"
\n\u70b9\u51fb\u53f3\u4fa7RUN\uff0c\u5f00\u59cb\u8fd0\u884c\u3002
\n\"\"
\n\u70b9\u51fbActive Tasks \u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u961f\u5217\uff0c\u54ea\u4e9b\u6210\u529f\uff0c\u54ea\u4e9b\u6b63\u5728\u6267\u884c\u3002
\n\"\"
\n\u70b9\u51fbResult\u53ef\u4ee5\u67e5\u770b\u7ed3\u679c\uff0c\u53ef\u4ee5\u70b9\u51fb\u53f3\u4e0a\u89d2\u6765\u4ee5\u76f8\u5e94\u683c\u5f0f\u8fdb\u884c\u4fdd\u5b58\u3002
\n\"\"
\n <\/p>\n

\u5b9a\u65f6\u722c\u53d6\uff1a<\/h4>\n

\u4e3a\u4e86\u5b9e\u73b0\u5b9a\u65f6\u722c\u53d6\uff0c\u6211\u4eec\u53ef\u4ee5\u518d\u8bbe\u7f6eevery\u5c5e\u6027\u6765\u8bbe\u7f6e\u722c\u53d6\u7684\u95f4\u9694\u65f6\u95f4\uff0c\u4f46\u662f\u6ce8\u610f\u8fd9\u4e2a\u503c\u4e0d\u80fd\u5c11\u4e8e\u4efb\u52a1\u7684\u6709\u6548\u65f6\u95f4\uff08@config\uff08age=\uff09\uff09
\n\u4f8b\u5982\uff1a<\/p>\n

@every(minutes = 24*60)\ndef on_start(self):\n    self.crawl('http:\/\/demo.com', callback = self.index_page)\n@config(age = 10*24*60*60)\ndef index_page(self):\n    xxxx<\/pre>\n
\u8fd9\u91cc\uff0c\u4efb\u52a1\u7684\u8fc7\u671f\u65f6\u95f4\u662f10\u5929\uff0c\u800c\u81ea\u52a8\u722c\u53d6\u7684\u65f6\u95f4\u95f4\u9694\u4e3a1\u5929\u3002
\n <\/p>\n
\u9879\u76ee\u72b6\u6001\uff1a<\/h4>\n
TODO\uff1a\u9879\u76ee\u521a\u521a\u88ab\u521b\u5efa\u8fd8\u6ca1\u88ab\u5b9e\u73b0\u7684\u72b6\u6001\u3002
\nSTOP\uff1a\u5982\u679c\u60f3\u505c\u6b62\u67d0\u9879\u76ee\u7684\u6293\u53d6\uff0c\u8bbe\u7f6e\u4e3aSTOP\u5373\u53ef\u3002
\nCHECKING\uff1a\u6b63\u5728\u8fd0\u884c\u7684\u9879\u76ee\u88ab\u4fee\u6539\u540e\u4f1a\u53d8\u6210CHECKING\u72b6\u6001\uff0c\u9879\u76ee\u5728\u4e2d\u9014\u51fa\u9519\u9700\u8981\u88ab\u8c03\u6574\u7684\u65f6\u5019\u4f1a\u51fa\u73b0\u3002
\nDEBUG\/RUNNING\uff1a\u8fd9\u4e24\u4e2a\u72b6\u6001\u5bf9\u8fd0\u884c\u6ca1\u6709\u5f71\u54cd\uff0c\u8bbe\u7f6e\u6210\u4efb\u4f55\u4e00\u4e2a\u9879\u76ee\u90fd\u53ef\u4ee5\u8fd0\u884c\uff0c\u4f46\u662f\u4e8c\u8005\u7528\u6765\u533a\u5206\u9879\u76ee\u662f\u5426\u5df2\u7ecf\u6d4b\u8bd5\u901a\u8fc7\u3002
\nPAUSE\uff1a\u5f53\u722c\u53d6\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u591a\u6b21\u9519\u8bef\u65f6\uff0c\u9879\u76ee\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u4e3a\u6539\u72b6\u6001\uff0c\u5e76\u7b49\u5f85\u4e00\u5b9a\u65f6\u95f4\u540e\u7ee7\u7eed\u722c\u53d6\u3002
\n <\/p>\n
\u6293\u53d6\u8fdb\u5ea6\uff1a<\/h4>\n
\u5728\u6293\u53d6\u65f6\uff0c\u4f1a\u663e\u793a4\u4e2a\u8fdb\u5ea6\u6761\u3002
\n\"\"
\n\u5176\u4e2d5m 1h 1d \u6307\u7684\u662f\u6700\u8fd15\u5206\u949f\u30011\u5c0f\u65f6\u30011\u5929\u5185\u7684\u8bf7\u6c42\u60c5\u51b5\uff0call\u4ee3\u8868\u6240\u6709\u7684\u8bf7\u6c42\u3002
\n\u84dd\u8272\u4ee3\u8868\u4efb\u52a1\u7b49\u5f85\u88ab\u6267\u884c\uff0c\u7eff\u8272\u4ee3\u8868\u6210\u529f\u7684\u4efb\u52a1\uff0c\u9ec4\u8272\u4ee3\u8868\u8bf7\u6c42\u5931\u8d25\u540e\u7b49\u5f85\u91cd\u8bd5\u7684\u4efb\u52a1\uff0c\u7ea2\u8272\u4ee3\u8868\u8bf7\u6c42\u5931\u8d25\u6b21\u8fc7\u8fc7\u591a\u800c\u88ab\u8df3\u8fc7\u7684\u6b21\u6570\u3002
\n <\/p>\n
\u5220\u9664\u9879\u76ee\uff1a<\/h4>\n
\u6ca1\u6709\u76f4\u63a5\u5220\u9664\u7684\u9009\u9879\uff0c\u5982\u679c\u60f3\u8981\u5220\u9664\uff0c\u5c06\u9879\u76ee\u5206\u7ec4\u8bbe\u7f6e\u4e3adelete\uff0c\u5e76\u8bbe\u7f6e\u4e3aSTOP\uff0c24\u5c0f\u65f6\u540e\u81ea\u52a8\u5220\u9664\u3002
\n 
\n 
\n 
\n 
\n 
\n.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u9875\u4ee3\u7801\u53ef\u4ee5\u5728\u8fd9\u91cc\u4e0b\u8f7d\u3002 pyspider\u7b80\u4ecb\uff1a pyspider\u67b6\u6784\u4e3b\u8981\u5206\u4e3aScheduler\uff08\u8c03 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[12],"tags":[],"views":4904,"_links":{"self":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/1125"}],"collection":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1125"}],"version-history":[{"count":0,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/1125\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1125"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}