{"id":290,"date":"2017-05-17T22:32:14","date_gmt":"2017-05-17T14:32:14","guid":{"rendered":"https:\/\/ayonel.malash.net\/?p=290"},"modified":"2017-06-04T22:45:39","modified_gmt":"2017-06-04T14:45:39","slug":"coroutine_spider","status":"publish","type":"post","link":"https:\/\/ayonel.malash.net\/index.php\/2017\/05\/17\/coroutine_spider\/","title":{"rendered":"\u57fa\u4e8e\u534f\u7a0b\u3001\u5f02\u6b65IO\u7684python\u722c\u866b"},"content":{"rendered":"

\u534f\u7a0b\uff0c\u53c8\u79f0\u5fae\u7ebf\u7a0b\uff0c\u7ea4\u7a0b\u3002\u82f1\u6587\u540dCoroutine<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u5c06\u534f\u7a0b\u7406\u89e3\u4e3a\u4e00\u4e2a\u5b50\u7a0b\u5e8f\/\u51fd\u6570\u7684\u7279\u4f8b\u3002\u4e0e\u5b50\u7a0b\u5e8f\/\u51fd\u6570\u4e0d\u540c\u7684\u662f\uff0c\u5b50\u7a0b\u5e8f\u8c03\u7528\u603b\u662f\u4e00\u4e2a\u5165\u53e3\uff0c\u4e00\u6b21\u8fd4\u56de\uff0c\u8c03\u7528\u987a\u5e8f\u662f\u660e\u786e\u7684\u3002\u800c\u534f\u7a0b\u7684\u8c03\u7528\u548c\u5b50\u7a0b\u5e8f\u4e0d\u540c\u3002\u534f\u7a0b\u770b\u4e0a\u53bb\u4e5f\u662f\u5b50\u7a0b\u5e8f\uff0c\u4f46\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u5728\u5b50\u7a0b\u5e8f\u5185\u90e8\u53ef\u4e2d\u65ad\uff0c\u7136\u540e\u8f6c\u800c\u6267\u884c\u522b\u7684\u5b50\u7a0b\u5e8f\uff0c\u5728\u9002\u5f53\u7684\u65f6\u5019\u518d\u8fd4\u56de\u6765\u63a5\u7740\u6267\u884c\u3002<\/p>\n

\u5b50\u7a0b\u5e8f\u4e0e\u4e3b\u7a0b\u5e8f\u662f\u8c03\u7528\u4e0e\u88ab\u8c03\u7528\u5173\u7cfb\uff0c\u800c\u534f\u7a0b\u4e4b\u95f4\u662f\u5e73\u7b49\u7684\u5173\u7cfb\uff0c\u5148\u6267\u884c\u4e00\u4e2a\u534f\u7a0bA\uff0c\u5728\u9002\u5f53\u7684\u65f6\u5019\u53bb\u6267\u884c\u53e6\u4e00\u4e2a\u534f\u7a0bB\uff0c\u5728\u9002\u5f53\u7684\u65f6\u5019\u53c8\u8fd4\u56de\u534f\u7a0bA\u7ee7\u7eed\u6267\u884c\u3002\u534f\u7a0b\u5728\u5355\u7ebf\u7a0b\u4e2d\u5b9e\u73b0\u4e86\u7c7b\u4f3c\u591a\u7ebf\u7a0b\u7684\u6548\u679c\uff0c\u4f46\u56e0\u4e3a\u534f\u7a0b\u59cb\u7ec8\u5c5e\u4e8e\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u4e0d\u540c\u534f\u7a0b\u7684\u6267\u884c\u53ea\u662f\u4e00\u4e2a\u7ebf\u7a0b\u5728\u6267\u884c\u4e0d\u540c\u7684\u201c\u51fd\u6570\u201d\u800c\u5df2\uff0c\u56e0\u6b64\u5b83\u7701\u53bb\u4e86\u7ebf\u7a0b\u5207\u6362\u5e26\u6765\u7684\u5f00\u9500\uff0c\u5177\u6709\u5f88\u9ad8\u7684\u5e76\u53d1\u548c\u6027\u80fd\u3002<\/p>\n

\u4f46\u534f\u7a0b\u662f\u4e00\u4e2a\u7ebf\u7a0b\u6267\u884c\uff0c\u5982\u4f55\u5229\u7528\u591a\u6838CPU\u5462\uff0c\u7b54\u6848\u5c31\u662f\u534f\u7a0b+\u8fdb\u7a0b\uff0c\u6bcf\u4e2a\u6838\u7ef4\u6301\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5728\u8be5\u8fdb\u7a0b\u4e2d\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6765\u6267\u884c\u534f\u7a0b\uff0c\u8fd9\u6837\u5c31\u80fd\u5145\u5206\u5229\u7528\u591a\u6838\u4ee5\u53ca\u534f\u7a0b\u7684\u9ad8\u6548\u7387\uff0c\u83b7\u5f97\u6781\u5927\u5730\u6027\u80fd\u3002<\/p>\n

\u5728Python\u4e2d\uff0c\u7531\u4e8eGIL\uff08Global Interpreter Lock\uff09\u7684\u5b58\u5728\uff0c\u5bfc\u81f4\u5728python\u4e2d\u7684\u591a\u7ebf\u7a0b\u5176\u5b9e\u662f\u4f2a\u591a\u7ebf\u7a0b\uff0c\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6b63\u5728\u6267\u884c\u3002\u56e0\u6b64\u5728python\u4e2d\u591a\u7ebf\u7a0b\u5f80\u5f80\uff08\u5bf9\u4e8eCPU\u5bc6\u96c6\u578b\uff09\u8fd8\u6ca1\u6709\u5355\u7ebf\u7a0b\u9ad8\u6548\uff0c\uff08\u5f53\u7136\u53ef\u4ee5\u7528multiprocessing\u6a21\u5757\uff0c\u5229\u7528\u591a\u8fdb\u7a0b\u5b9e\u73b0\u591a\u6838CPU\u5e76\u884c\uff09\uff0c\u56e0\u6b64python\u7684\u591a\u7ebf\u7a0b\u5bf9\u4e8eCPU\u5bc6\u96c6\u578b\u5de5\u4f5c\u5176\u5b9e\u662f\u4e2a\u9e21\u808b\u3002\u591a\u8fdb\u7a0b+\u534f\u7a0b\u624d\u662fpython\u6027\u80fd\u7684\u5927\u6740\u5668\u3002\u5728IO\u5bc6\u96c6\u578b\u5de5\u4f5c\u4e2d\uff0cpython\u7684\u591a\u7ebf\u7a0b\u80fd\u53d1\u6325\u5f97\u597d\u4e00\u4e9b\uff0c\u4f46\u8fd8\u662f\u6ca1\u6709\u534f\u7a0b\u9ad8\u6548\u3002<\/p>\n

\u56de\u5230\u672c\u6587\u5b9e\u73b0\u7684\u76ee\u6807\uff1a\u505a\u4e00\u4e2a\u722c\u866b\u3002\u722c\u866b\u5c5e\u4e8eIO\u5bc6\u96c6\u578b\uff0c\u90a3\u4e48\u5982\u679c\u6211\u4eec\u4e0d\u5229\u7528\u4efb\u4f55\u591a\u7ebf\u7a0b\u6216\u8005\u534f\u7a0b\u6280\u672f\uff0c\u4e5f\u5c31\u662f\u4f7f\u7528\u540c\u6b65\u6765\u5b9e\u73b0\u722c\u866b\uff0c\u90a3\u4e48\u5bf9\u4e8e\u6bcf\u4e00\u6b21\u7f51\u7edc\u8c03\u7528\uff0cCPU\u90fd\u4f1a\u963b\u585e\uff0c\u76f4\u5230\u7f51\u7edc\u8c03\u7528response\u7684\u5230\u6765\u3002\u8fd9\u5c31\u4f7fCPU\u7684\u5927\u90e8\u5206\u65f6\u95f4\u963b\u585e\u5728\u7b49\u5f85\u7f51\u7edcIO\u4e0a\uff0c\u6548\u7387\u53ca\u5176\u4f4e\u3002\u800c\u5229\u7528\u534f\u7a0b\u7684\u8bdd\uff0c\u6bcf\u5f53\u4e00\u4e2a\u534f\u7a0b\u8fdb\u884c\u7f51\u7edc\u8c03\u7528\u65f6\uff0cCPU\u4e0d\u7528\u963b\u585e\u7b49\u5f85\u800c\u662f\u76f4\u63a5\u6267\u884c\u4e0b\u4e00\u4e2a\u534f\u7a0b\uff0c\u5f53\u7f51\u7edc\u8c03\u7528\u8fd4\u56de\u540e\uff0c\u5c06\u6ce8\u518c\u5728\u4e8b\u4ef6\u5faa\u73af\u4e2d\uff0c\u5728\u672a\u6765\u7684\u67d0\u4e2a\u65f6\u523b\u63a5\u7740\u6267\u884c\u3002\u8fd9\u5c31\u662f\u5f02\u6b65IO\uff0c\u80fd\u6781\u5927\u5730\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n

Scrapy<\/strong>\u6846\u67b6\u4f7f\u7528\u591a\u7ebf\u7a0b\u6765\u5b9e\u73b0\u722c\u866b\u8fd9\u79cdIO\u5bc6\u96c6\u578b\u7684\u5de5\u4f5c\uff0c\u4e5f\u80fd\u53d6\u5f97\u4e0d\u9519\u7684\u6027\u80fd\u3002\u4f46\u6211\u4eec\u4eca\u5929\u4e0d\u6253\u7b97\u5229\u7528\u7ebf\u7a0b\u6c60\u6765\u5b9e\u73b0\u9ad8\u6548 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u722c\u866b\uff0c\u800c\u662f\u4f7f\u7528\u534f\u7a0b\u6765\u5b9e\u73b0\u3002Python 3.5\u4ee5\u540e\u5df2\u7ecf\u76f4\u63a5\u652f\u6301async, await\u5173\u952e\u5b57\uff0c\u4f7f\u5f97\u534f\u7a0b\u7684\u5b9e\u73b0\u53d8\u5f97\u5f88\u7b80\u5355\u3002<\/p>\n

\u56de\u60f3\u4e00\u4e0b\u5982\u679c\u6211\u4eec\u4e0d\u4f7f\u7528\u534f\u7a0b+\u5f02\u6b65IO\uff0c\u6211\u4eec\u5c06\u8fd9\u4e48\u5b9e\u73b0,\u4ee3\u7801\u57fa\u4e8epython3.5\uff1a<\/p>\n

from<\/span> urllib<\/span> import<\/span> request
\nfrom<\/span> urllib<\/span>.error<\/span> import<\/span> HTTPError
\nimport<\/span> json
\n
\ndef<\/span> crawl(<\/span>url)<\/span>:
\n    try<\/span>:
\n        res =<\/span> request.urlopen<\/span>(<\/span>url)<\/span>
\n    except<\/span> HTTPError:
\n        return<\/span> None<\/span>
\n    return<\/span> res.read<\/span>(<\/span>)<\/span> #\u8fd4\u56de\u5b57\u8282\u6d41<\/span>
\nif<\/span> name ==<\/span> 'main'<\/span>:
\n    url =<\/span> 'https:\/\/api.github.com\/users\/ayonel\/followers?per_page=99&amp;page=1'<\/span>
\n    res_data =<\/span> crawl(<\/span>url)<\/span>
\n    json_data =<\/span> json.loads<\/span>(<\/span>res_data.decode<\/span>(<\/span>)<\/span>)<\/span> # \u5b57\u8282\u6d41\u89e3\u7801\uff0c\u5e76\u8f6c\u4e3ajson<\/span>
\n    print<\/span>(<\/span>json_data)<\/span><\/div><\/div>\n

\u4e0a\u9762\u8fd9\u6bb5\u4ee3\u7801\uff0c\u5229\u7528python3\u5185\u7f6e\u7684urllib\u6a21\u5757\uff0c\u722c\u53d6github API, \u8fd4\u56de\u7684\u662f\u7b14\u8005\u7684github<\/a>\u7684\u7c89\u4e1d\uff08\u867d\u7136\u6ca1\u51e0\u4e2a…\uff09\u3002<\/p>\n

\u5728\u4e0a\u9762\u4ee3\u7801\u4e2d\uff0c\u7a0b\u5e8f\u5c06\u963b\u585e\u5728\u8fd9\u4e00\u884c\uff0c\u76f4\u5230\u7f51\u7edc\u8c03\u7528\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n

 res = request.urlopen(url)<\/div><\/div>\n

\u6211\u4eec\u7684\u534f\u7a0b+\u5f02\u6b65IO\u722c\u866b\uff0c\u5c31\u662f\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5f53\u53d1\u51fa\u7f51\u7edc\u8bf7\u6c42\uff0c\u7a0b\u5e8f\u4e0d\u7528\u963b\u585e\uff0cCPU\u76f4\u63a5\u6267\u884c\u4e0b\u4e00\u4e2a\u534f\u7a0b\u3002
\n\u5728urllib\u4e2d\u7684request\u662f\u57fa\u4e8e\u540c\u6b65\u5b9e\u73b0\u7684\uff0c\u6211\u4eec\u9700\u8981aiohttp<\/a>\u8fd9\u4e2a\u6a21\u5757\uff0c\u7528\u6765\u53d1\u51fa\u5f02\u6b65\u7684\u7f51\u7edc\u8bf7\u6c42\u3002\u53e6\u5916\uff0c\u6211\u8fd8\u5c06\u722c\u53d6\u5230\u7684\u7ed3\u679c\uff0c\u5b58\u5165\u4e86MongoDB\uff0c\u4f46\u662fpython\u4e2d\u6700\u5e38\u7528\u7684\u64cd\u4f5cMongoDB\u7684\u9a71\u52a8pymongo\u4e5f\u4e0d\u662f\u57fa\u4e8e\u5f02\u6b65\u5b9e\u73b0\u7684\uff0c\u8fd8\u597d\u6709motor<\/a>,\u4e00\u4e2a\u57fa\u4e8e\u5f02\u6b65IO\u7684python MongoDB\u9a71\u52a8\u3002<\/p>\n

\u8fd8\u662f\u539f\u6765\u7684\u9700\u6c42\uff0c\u6211\u4eec\u9700\u8981\u722c\u53d6github\u4e0a\u4e00\u4e9b\u7528\u6237\u7684\u7c89\u4e1d\u3002\u722c\u53d6\u94fe\u63a5\u4e3a\uff1a<\/p>\n

https:\/\/api.github.com\/users\/{user}\/followers?per_page=99&page={page}<\/div><\/div>\n

\u4e0a\u8ff0\u8fd9\u4e2aURL\u8fd4\u56de\u4e00\u4e2a\u7528\u6237\u7684\u7c89\u4e1d\uff0c\u5e76\u4e14\u6bcf\u9875\u6700\u591a\u8fd4\u56de99\u4e2a\uff0c\u5982\u679c\u8d85\u8fc799\u4e2a\uff0c\u5219\u9700\u8981\u5bf9page<\/strong>+1<\/p>\n

\u5148\u5b9a\u4e49\u4e24\u4e2a\u534f\u7a0b\u51fd\u6570\uff0c fetch \u4ee5\u53ca do_insert\uff0c\u5206\u522b\u7528\u4e8e\u5f02\u6b65\u722c\u53d6\u7f51\u9875\uff0c\u4ee5\u53ca\u5f02\u6b65\u63d2\u5165MongoDB\u3002<\/p>\n

async def<\/span> fetch(<\/span>session,<\/span> user<\/span>,<\/span> page)<\/span>:
\n    url =<\/span> 'https:\/\/api.github.com\/users\/'<\/span> + user<\/span> + '\/followers?per_page=99&amp;page='<\/span> + str<\/span>(<\/span>page)<\/span>
\n    with<\/span> async_timeout.timeout<\/span>(<\/span>20<\/span>)<\/span>:  # \u9ed8\u8ba4\u8d85\u65f6\u65f6\u95f420s<\/span>
\n        async with<\/span> session.get<\/span>(<\/span>url,<\/span> headers=<\/span>{<\/span>}<\/span>)<\/span> as<\/span> response:
\n            if<\/span> response.status<\/span> ==<\/span> 200<\/span>:
\n                return<\/span> True<\/span>,<\/span> user<\/span>,<\/span> await response.read<\/span>(<\/span>)<\/span>  # True\u4ee3\u8868\u722c\u53d6\u6210\u529f<\/span>
\n            else<\/span>:
\n                return<\/span> False<\/span>,<\/span> user<\/span>,<\/span> await response.read<\/span>(<\/span>)<\/span>   # False\u4ee3\u8868\u722c\u53d6\u5931\u8d25<\/span><\/div><\/div>\n

\u8fd8\u6709\u63d2\u5165\u6570\u636e\u5e93\u51fd\u6570\uff1a<\/p>\n

async def<\/span> do_insert(<\/span>arg)<\/span>:
\n    await collection.insert_one<\/span>(<\/span>arg)<\/span>  # collection\u662f\u5168\u5c40\u53d8\u91cf\uff0c\u4ee3\u8868\u4f60\u8981\u63d2\u5165\u7684MongoDB\u7684collection<\/span><\/div><\/div>\n

\u4e0a\u9762\u8fd9\u4e24\u4e2a\u534f\u7a0b\u51fd\u6570\uff0c\u662f\u6211\u4eec\u5f02\u6b65IO\u8c03\u7528\u7684\u5173\u952e\u51fd\u6570\uff0c\u4e5f\u662f\u6211\u4eec\u722c\u866b\u6027\u80fd\u9ad8\u6548\u7684\u5173\u952e\u6240\u5728\u3002
\n\u6709\u4e86\u534f\u7a0b\u51fd\u6570\uff0c\u6211\u4eec\u5c31\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e3b\u51fd\u6570\u6765\u6267\u884c\uff0c\u6211\u4eec\u7684\u4e3b\u51fd\u6570\u4e5f\u662f\u534f\u7a0b\u51fd\u6570\uff0c\u53e6\u5916\u8fd8\u4f20\u5165\u4e86\u4f60\u8981\u722c\u53d6\u7684\u7528\u6237\u96c6<\/p>\n

async def<\/span> main(<\/span>loop,<\/span> peopleSet)<\/span>:
\n    async with<\/span> aiohttp.ClientSession<\/span>(<\/span>loop=<\/span>loop)<\/span> as<\/span> session:
\n        for<\/span> people in<\/span> peopleSet:
\n            page =<\/span> 1<\/span>
\n            while<\/span> True<\/span>:  # \u56e0\u4e3a\u6709\u4e9b\u4eba\u4e0d\u6b62\u670999\u4e2a\u7c89\u4e1d\uff0c\u6240\u4ee5\u9047\u5230\u4e00\u9875\u8fd4\u56de99\u4e2a\u7c89\u4e1d\u7684\uff0c\u4e0d\u80fd\u76f4\u63a5\u4e0b\u4e00\u4e2a\u4eba\uff0c\u8fd8\u9700\u8981\u5c06page+1\uff0c\u53bb\u722c\u53d6\u8be5\u4eba\u7684\u5176\u4ed6\u7c89\u4e1d<\/span>
\n                is_ok,<\/span> user<\/span>,<\/span> data =<\/span> await fetch(<\/span>session,<\/span> people,<\/span> page)<\/span>
\n                print<\/span>(<\/span>user<\/span>)<\/span>
\n                if<\/span> is_ok:  #\u5982\u679c\u7f51\u7edc\u8fd4\u56de\u6b63\u5e38\uff0cstatus==200<\/span>
\n                    if<\/span> data[<\/span>0<\/span>]<\/span> ==<\/span> 31<\/span> and<\/span> data[<\/span>1<\/span>]<\/span> ==<\/span> 139<\/span>:  # \u8fd9\u513f\u662f\u4e2a\u5751\uff0c\u5224\u65ad\u662f\u4e0d\u662fgzip\u538b\u7f29\u8fc7\u7684\u5b57\u8282\u6d41\u3002\u539f\u56e0\u89c1\u4e0b\u6587\u89e3\u91ca<\/span>
\n                        print<\/span>(<\/span>'gzip data returned!'<\/span>)<\/span>
\n                        data =<\/span> zlib<\/span>.decompress<\/span>(<\/span>data,<\/span> zlib<\/span>.MAX_WBITS<\/span> | 16<\/span>)<\/span>  # \u89e3gzip\u5b57\u8282\u6d41<\/span>
\n
\n                follower_list =<\/span> [<\/span>]<\/span>
\n                for<\/span> follower in<\/span> json.loads<\/span>(<\/span>data.decode<\/span>(<\/span>)<\/span>)<\/span>: # \u5c06\u5b57\u8282\u6d41\u89e3\u7801\u4e3astr\uff0c\u5e76\u8f6c\u4e3ajson<\/span>
\n                    follower_list.append<\/span>(<\/span>follower[<\/span>'login'<\/span>]<\/span>)<\/span>
\n
\n                await do_insert(<\/span>{<\/span>'user'<\/span>: user<\/span>,<\/span> 'follower'<\/span>: follower_list}<\/span>)<\/span> # \u5f02\u6b65\u8c03\u7528\u63d2\u5165\u6570\u636e\u5e93<\/span>
\n                if<\/span> len<\/span>(<\/span>follower_list)<\/span> ==<\/span> 99<\/span>: # \u5982\u679c\u8fd4\u56de99\u4e2a\u7c89\u4e1d\uff0c\u9700\u8981page+1<\/span>
\n                    page +=<\/span> 1<\/span>
\n                else<\/span>: # \u5426\u5219\uff0c\u76f4\u63a5break,\u722c\u53d6\u4e0b\u4e00\u4e2a\u4eba<\/span>
\n                    break<\/span>
\n            else<\/span>: # \u7f51\u7edc\u8c03\u7528\u5931\u8d25\uff0c\u76f4\u63a5break\uff0c\u722c\u53d6\u4e0b\u4e00\u4e2a\u4eba<\/span>
\n                break<\/span><\/div><\/div>\n

\u89e3\u91ca\u4e00\u4e0b\u4e0a\u9762\u4e3a\u4ec0\u4e48\u8981\u5224\u65ad\u5b57\u8282\u6d41\u662f\u5426\u662fgzip\u538b\u7f29\u8fc7\u7684\u3002Github API \u6709\u4e2a\u5751\uff0c\u5b83\u6709\u65f6\u4f1a\u5c06\u54cd\u5e94\u5185\u5bb9\u538b\u7f29\u4e3agzip\u8fd4\u56de\uff0c\u6211\u4eec\u7528\u6d4f\u89c8\u5668\u67e5\u770b\u65f6\u6ca1\u95ee\u9898\uff0c\u56e0\u4e3a\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u5224\u65ad\u662f\u5426\u662fgzip\u683c\u5f0f\u7684\u5b57\u8282\u6d41\uff0c\u5982\u679c\u662f\u5c06\u4f1a\u81ea\u52a8\u89e3\u538b\u3002\u800caiohttp\u8fd4\u56de\u7684response.read()\u662f\u539f\u59cb\u7684\u5b57\u8282\u6d41\uff0c\u4f60\u4e0d\u77e5\u9053\u5b83\u6709\u6ca1\u6709\u7ecf\u8fc7gzip\u538b\u7f29\u3002\u6309\u5e38\u7406\u6765\u8bf4\uff0c\u5982\u679c\u4f60\u5728\u4f60\u7684\u8bf7\u6c42\u5934\u4e2d\u4e0d\u8981\u8bbe\u7f6eAccept-Encoding\u5b57\u6bb5\uff0c\u670d\u52a1\u5668\u5e94\u8be5\u8ba4\u4e3a\u8be5\u5ba2\u6237\u7aef\u4e0d\u63a5\u53d7\u4efb\u4f55\u538b\u7f29\u8fc7\u7684\u5185\u5bb9\uff0c\u5e94\u8be5\u8fd4\u56de\u672a\u538b\u7f29\u7684\u5b57\u8282\u6d41\u3002\u4f46\u6211\u5f3a\u5236\u6307\u5b9a\u8bf7\u6c42\u5934\uff0c\u4e0d\u8bbe\u7f6eAccept-Encoding\u5b57\u6bb5\uff0cGithub API\u8fd8\u662f\u7384\u5e7b\u5730\u968f\u673a\u8fd4\u56degzip\u5b57\u8282\u6d41\u3002\u5e76\u4e14\u5b83\u7684response\u7684headers\u4e2d\u6c38\u8fdc\u663e\u793a\u5176Content-Encoding = gzip\uff0c\u8fd9\u513f\u5e94\u8be5\u662f\u4e2abug\u5427\u3002\u6240\u4ee5\u6211\u4e0d\u5f97\u4e0d\u81ea\u884c\u5224\u65ad\u662f\u5426\u662fgzip\u683c\u5f0f\u7684\uff0c\u5224\u65ad\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u5229\u7528\u5b57\u8282\u6d41\u7684\u524d\u4e24\u4e2a\u5b57\u8282\uff1a
\n\u524d\u4e24\u4e2a\u5b57\u8282\u7528\u4e8e\u6807\u8bc6gzip\u6587\u4ef6\uff0c\u5176\u4e2d\u7b2c\u4e00\u4e2a\u5b57\u8282ID1 = 31\uff080x1f\uff0c\\037\uff09\uff0c\u7b2c\u4e8c\u4e2a\u5b57\u8282ID2 = 139\uff080x8b\uff0c\\213\uff09\uff0c\u5982\u679c\u5224\u65ad\u8be5\u5b57\u8282\u6d41\u4ee5\u8fd9\u4e24\u4e2a\u5b57\u8282\u5f00\u5934\uff0c\u90a3\u4e48\u53ef\u4ee5\u521d\u6b65\u8ba4\u4e3a\u8fd9\u662fgzip\u5b57\u8282\u6d41\u3002<\/p>\n

\u6211\u4eec\u8fd8\u9700\u8981\u5f00\u542f\u4e8b\u4ef6\u5faa\u73af\uff0c\u624d\u80fd\u8fbe\u5230\u5f02\u6b65IO\u7684\u6548\u679c\uff0c\u5b8c\u6574\u7a0b\u5e8f\u89c1\u4e0b\u6587\uff1a<\/p>\n

'''
\nAuthor: ayonel
\nDate:
\nBlog: https:\/\/ayonel.malash.net
\nGitHub: https:\/\/github.com\/ayonel
\nE-mail: ayonel@qq.com
\n\u63d0\u53d6\u51fa\u6240\u6709pull\u4e2d\u7684\u4eba\u5458\uff0c\u722c\u53d6\u5176\u5173\u6ce8\u5173\u7cfb\u3002
\n'''<\/span>
\nimport<\/span> itertools<\/span>
\nimport<\/span> json
\nimport<\/span> aiohttp
\nimport<\/span> asyncio
\nimport<\/span> time<\/span>
\nfrom<\/span> motor.motor_asyncio<\/span> import<\/span> AsyncIOMotorClient
\nimport<\/span> zlib<\/span>
\nimport<\/span> async_timeout
\n
\nasync_client =<\/span> AsyncIOMotorClient(<\/span>'localhost'<\/span>,<\/span> '27017'<\/span>)<\/span> # \u5efa\u7acbmotor\u7684client<\/span>
\ndb =<\/span> async_client[<\/span>'follow'<\/span>]<\/span> # \u6307\u5b9a\u8981\u63d2\u5165\u7684\u6570\u636e\u5e93<\/span>
\ncollection =<\/span> db[<\/span>'asyncfollow'<\/span>]<\/span> # \u6307\u5b9a\u8981\u63d2\u5165\u7684collection<\/span>
\n
\n#\u5f02\u6b65\u63d2\u5165\u51fd\u6570<\/span>
\n
\nasync def<\/span> do_insert(<\/span>arg)<\/span>:
\n    await collection.insert_one<\/span>(<\/span>arg)<\/span>
\n
\n#\u5f02\u6b65\u722c\u53d6\u51fd\u6570<\/span>
\n
\nasync def<\/span> fetch(<\/span>session,<\/span> user<\/span>,<\/span> page)<\/span>:
\n    url =<\/span> 'https:\/\/api.github.com\/users\/'<\/span> + user<\/span> + '\/follower?per_page=99&amp;page='<\/span> + str<\/span>(<\/span>page)<\/span>
\n    with<\/span> async_timeout.timeout<\/span>(<\/span>20<\/span>)<\/span>:  # \u9ed8\u8ba4\u8d85\u65f6\u65f6\u95f420s<\/span>
\n        async with<\/span> session.get<\/span>(<\/span>url,<\/span> headers=<\/span>{<\/span>}<\/span>)<\/span> as<\/span> response:
\n            if<\/span> response.status<\/span> ==<\/span> 200<\/span>:
\n                return<\/span> True<\/span>,<\/span> user<\/span>,<\/span> await response.read<\/span>(<\/span>)<\/span>  # True\u4ee3\u8868\u722c\u53d6\u6210\u529f<\/span>
\n            else<\/span>:
\n                return<\/span> False<\/span>,<\/span> user<\/span>,<\/span> await response.read<\/span>(<\/span>)<\/span>   # False\u4ee3\u8868\u722c\u53d6\u5931\u8d25<\/span>
\n
\n#\u4e3b\u51fd\u6570<\/span>
\n
\nasync def<\/span> main(<\/span>loop,<\/span> peopleSet)<\/span>:
\n    async with<\/span> aiohttp.ClientSession<\/span>(<\/span>loop=<\/span>loop)<\/span> as<\/span> session:
\n        for<\/span> people in<\/span> peopleSet:
\n            page =<\/span> 1<\/span>
\n            while<\/span> True<\/span>:  # \u56e0\u4e3a\u6709\u4e9b\u4eba\u4e0d\u6b62\u670999\u4e2a\u7c89\u4e1d\uff0c\u6240\u4ee5\u9047\u5230\u4e00\u9875\u8fd4\u56de99\u4e2a\u7c89\u4e1d\u7684\uff0c\u4e0d\u80fd\u76f4\u63a5\u4e0b\u4e00\u4e2a\u4eba\uff0c\u8fd8\u9700\u8981\u5c06page+1\uff0c\u53bb\u722c\u53d6\u8be5\u4eba\u7684\u5176\u4ed6\u7c89\u4e1d<\/span>
\n                is_ok,<\/span> user<\/span>,<\/span> data =<\/span> await fetch(<\/span>session,<\/span> people,<\/span> page)<\/span>
\n                print<\/span>(<\/span>user<\/span>)<\/span>
\n                if<\/span> is_ok:  #\u5982\u679c\u7f51\u7edc\u8fd4\u56de\u6b63\u5e38\uff0cstatus==200<\/span>
\n                    if<\/span> data[<\/span>0<\/span>]<\/span> ==<\/span> 31<\/span> and<\/span> data[<\/span>1<\/span>]<\/span> ==<\/span> 139<\/span>:  # \u8fd9\u513f\u662f\u4e2a\u5751\uff0c\u5224\u65ad\u662f\u4e0d\u662fgzip\u538b\u7f29\u8fc7\u7684\u5b57\u8282\u6d41\u3002\u539f\u56e0\u89c1\u4e0b\u6587\u89e3\u91ca<\/span>
\n                        print<\/span>(<\/span>'gzip data returned!'<\/span>)<\/span>
\n                        data =<\/span> zlib<\/span>.decompress<\/span>(<\/span>data,<\/span> zlib<\/span>.MAX_WBITS<\/span> | 16<\/span>)<\/span>  # \u89e3gzip\u5b57\u8282\u6d41<\/span>
\n
\n                follower_list =<\/span> [<\/span>]<\/span>
\n                for<\/span> follower in<\/span> json.loads<\/span>(<\/span>data.decode<\/span>(<\/span>)<\/span>)<\/span>: # \u5c06\u5b57\u8282\u6d41\u89e3\u7801\u4e3astr\uff0c\u5e76\u8f6c\u4e3ajson<\/span>
\n                    follower_list.append<\/span>(<\/span>follower[<\/span>'login'<\/span>]<\/span>)<\/span>
\n
\n                await do_insert(<\/span>{<\/span>'user'<\/span>: user<\/span>,<\/span> 'follower'<\/span>: follower_list}<\/span>)<\/span> # \u5f02\u6b65\u8c03\u7528\u63d2\u5165\u6570\u636e\u5e93<\/span>
\n                if<\/span> len<\/span>(<\/span>follower_list)<\/span> ==<\/span> 99<\/span>: # \u5982\u679c\u8fd4\u56de99\u4e2a\u7c89\u4e1d\uff0c\u9700\u8981page+1<\/span>
\n                    page +=<\/span> 1<\/span>
\n                else<\/span>: # \u5426\u5219\uff0c\u76f4\u63a5break,\u722c\u53d6\u4e0b\u4e00\u4e2a\u4eba<\/span>
\n                    break<\/span>
\n            else<\/span>: # \u7f51\u7edc\u8c03\u7528\u5931\u8d25\uff0c\u76f4\u63a5break\uff0c\u722c\u53d6\u4e0b\u4e00\u4e2a\u4eba<\/span>
\n                break<\/span>
\n
\n
\nif<\/span> name ==<\/span> 'main'<\/span>: # \u7a0b\u5e8f\u5165\u53e3<\/span>
\n    start =<\/span> time<\/span>.time<\/span>(<\/span>)<\/span> # \u6807\u8bb0\u5f00\u59cb\u65f6\u95f4<\/span>
\n    peopleSet =<\/span> set<\/span>(<\/span>)<\/span> # \u521d\u59cb\u5316\u9700\u8981\u722c\u53d6\u7684\u7528\u6237\u96c6<\/span>
\n    peopleSet.add<\/span>(<\/span>'ayonel'<\/span>)<\/span>
\n    peopleSet.add<\/span>(<\/span>'malash'<\/span>)<\/span>
\n    # \u4e0a\u9762\u6211\u53ea\u6dfb\u52a0\u4e862\u4e2a\u4eba\uff0c\u5b9e\u9645\u6211\u7684peopleSet\u4e2d\u67092\u4e07\u591a\u4eba<\/span>
\n    loop =<\/span> asyncio.get_event_loop<\/span>(<\/span>)<\/span> # \u5f00\u542f\u4e8b\u4ef6\u5faa\u73af<\/span>
\n    try<\/span>:
\n        loop.run_until_complete<\/span>(<\/span>main(<\/span>loop,<\/span> peopleSet)<\/span>)<\/span> # \u5f00\u59cb\u6267\u884cmain<\/span>
\n    except<\/span> Exception<\/span>:
\n        pass<\/span>
\n    finally<\/span>:
\n        print<\/span>(<\/span>'\u603b\u8017\u65f6\uff1a'<\/span> + str<\/span>(<\/span>(<\/span>time<\/span>.time<\/span>(<\/span>)<\/span>-start)<\/span>\/60<\/span>)<\/span>)<\/span><\/div><\/div>\n

\u6211\u53e6\u5916\u8fd8\u662f\u5b9e\u73b0\u4e86\u540c\u6b65\u7684urllib.request\u4f5c\u4e3a\u5bf9\u6bd4\u6d4b\u8bd5\uff0c\u5b9e\u9a8c\u663e\u793a\uff0c\u5728\u6211\u7684\u5f02\u6b65\u722c\u866b\u722c\u53d6\u4e869000+\u4eba\u7684\u65f6\u95f4\u91cc\uff0c\u540c\u6b65\u722c\u866b\u722c\u53d6\u4e86300\u4eba\u4e0d\u5230\u3002\u6027\u80fd\u5dee\u8ddd\u662f\u5de8\u5927\u6ef4…<\/p>\n

\u4e0a\u9762\u5b8c\u6574\u4ee3\u7801\u7ed9\u51fa\u7684\u722c\u866b\u8fd8\u80fd\u4e0d\u80fd\u63d0\u9ad8\u901f\u5ea6\u5462\uff1f\u7b54\u6848\u662f\u53ef\u4ee5\u7684\uff01\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u5176\u5b9e\u628a\u6574\u4e2a\u722c\u53d6\u4efb\u52a1\u5c01\u88c5\u6210\u4e86\u4e00\u4e2a\u5927\u534f\u7a0b\uff0c\u8fd9\u4e2a\u5927\u534f\u7a0b\u7531\u8bb8\u591a\u4e2a\u7f51\u7edc\u8c03\u7528\u5c0f\u534f\u7a0b\u4ee5\u53ca\u6570\u636e\u5e93\u63d2\u5165\u5c0f\u534f\u7a0b\u6784\u6210\u3002\u540c\u65f6\u6211\u4eec\u7684\u6240\u6709aiohttp\u7684\u8bf7\u6c42\u590d\u7528\u4e86\u540c\u4e00\u4e2aaiohttp.ClientSession(),\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u6211\u4eec\u7684\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4\u53ea\u6709\u4e00\u4e2aClientSession\u5bf9\u8c61\uff0c\u5341\u5206\u8282\u7ea6\u5185\u5b58\u8d44\u6e90\uff0c\u5982\u679c\u6211\u4eec\u5bf9\u6bcf\u4e2a\u8bf7\u6c42\u65b0\u5f00\u4e00\u4e2aClientSession\u7684\u8bdd\uff0c\u8bf7\u6c42\u4e00\u591a\uff0c\u5185\u5b58\u76f4\u63a5\u5c31\u7206\u6389\u4e86\u3002\u6211\u5b9e\u9645\u4e86\u6d4b\u8bd520000\u4e2a\u8bf7\u6c42\uff0c\u5f88\u5feb\u5185\u5b58\u5c31\u4f1a\u5403\u523010G\uff0c\u6240\u4ee5\u8bf4\u5bf9\u4e8eClientSession\u6211\u4eec\u9700\u8981\u590d\u7528\uff0c\u90a3\u662f\u4e0d\u662f\u6240\u6709\u8bf7\u6c42\u90fd\u590d\u7528\u4e00\u4e2a\u5462\uff0c\u5c31\u50cf\u4e0a\u9762\u5b8c\u6574\u4ee3\u7801\u4e2d\u4e00\u6837\u3002\u5f53\u7136\u4e0d\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u81ea\u5df1\u7ec4\u7ec7\uff0c\u6bd4\u5982500\u4e2a\u8bf7\u6c42\u590d\u7528\u4e00\u4e2aClientSession\u5bf9\u8c61\uff0c\u6216\u8005200\u4e2a\u8bf7\u6c42\u590d\u7528\u4e00\u4e2aClientSession\u5bf9\u8c61\uff0c\u5728\u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0c\u722c\u53d6\u6548\u7387\u4f1a\u8fc5\u901f\u63d0\u5347\uff0c\u8fdc\u8fdc\u9ad8\u4e8e\u6240\u6709\u8bf7\u6c42\u590d\u7528\u540c\u4e00\u4e2aClientSession\u5bf9\u8c61\u7684\u60c5\u51b5\u3002<\/p>\n

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