{"id":205067,"date":"2025-05-29T13:18:27","date_gmt":"2025-05-29T05:18:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205067\/"},"modified":"2025-05-29T13:18:27","modified_gmt":"2025-05-29T05:18:27","slug":"pylance%e7%b1%bb%e5%9e%8b%e6%a3%80%e6%b5%8b%e6%8a%a5%e9%94%99%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%e8%87%aa%e5%ae%9a%e4%b9%89%e8%a3%85%e9%a5%b0%e5%99%a8%e5%af%bc%e8%87%b4%e7%9a%84%e8%bf%94","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205067\/","title":{"rendered":"Pylance\u7c7b\u578b\u68c0\u6d4b\u62a5\u9519\uff1a\u5982\u4f55\u89e3\u51b3\u81ea\u5b9a\u4e49\u88c5\u9970\u5668\u5bfc\u81f4\u7684\u8fd4\u56de\u7c7b\u578b\u8bc6\u522b\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Pylance\u7c7b\u578b\u68c0\u6d4b\u62a5\u9519\uff1a\u5982\u4f55\u89e3\u51b3\u81ea\u5b9a\u4e49\u88c5\u9970\u5668\u5bfc\u81f4\u7684\u8fd4\u56de\u7c7b\u578b\u8bc6\u522b\u95ee\u9898\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aPylance\u7c7b\u578b\u68c0\u6d4b\u62a5\u9519\uff1a\u5982\u4f55\u89e3\u51b3\u81ea\u5b9a\u4e49\u88c5\u9970\u5668\u5bfc\u81f4\u7684\u8fd4\u56de\u7c7b\u578b\u8bc6\u522b\u95ee\u9898\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241122\/1732277723674075db2fd52.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u89e3\u51b3\u4f7f\u7528\u81ea\u5b9a\u4e49\u88c5\u9970\u5668\u65f6 pylance \u7c7b\u578b\u68c0\u6d4b\u9519\u8bef<\/strong><\/p>\n<p>\u4f7f\u7528\u81ea\u5b9a\u4e49\u88c5\u9970\u5668\u88c5\u9970\u51fd\u6570\u65f6\uff0cpylance \u53ef\u80fd\u65e0\u6cd5\u8bc6\u522b\u88c5\u9970\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\uff0c\u4ece\u800c\u5bfc\u81f4\u7c7b\u578b\u68c0\u6d4b\u9519\u8bef\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4fee\u6539\u4ee3\u7801\u4ee5\u89e3\u51b3\u6b64\u95ee\u9898\uff1a<\/p>\n<p>\u5728\u81ea\u5b9a\u4e49\u88c5\u9970\u5668\u4e2d\uff0c\u5c06\u88c5\u9970\u8fc7\u7684\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u663e\u5f0f\u6307\u5b9a\u4e3a callable[&#8230;, result]. \u5176\u4e2d\uff0cresult \u662f\u88c5\u9970\u8fc7\u7684\u51fd\u6570\u7684\u9884\u671f\u8fd4\u56de\u7c7b\u578b\u3002<\/p>\n<p>\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>from typing import Callable\n\ndef execute(func) -&amp;gt; Callable[..., Result]:\n    def inner_wrapper(*args, **kwargs) -&amp;gt; Result[Any]:\n        with Session.begin() as session:\n            result = session.execute(func(*args, **kwargs))\n            return result\n\n    return inner_wrapper<\/pre>\n<p>\u8fd9\u6837\u4fee\u6539\u540e\uff0cpylance \u5c06\u8bc6\u522b query_data_source \u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u4e3a result[any]\uff0c\u6d88\u9664\u8b66\u544a\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\u300aPylance\u7c7b\u578b\u68c0\u6d4b\u62a5\u9519\uff1a\u5982\u4f55\u89e3\u51b3\u81ea\u5b9a\u4e49\u88c5\u9970\u5668\u5bfc\u81f4\u7684\u8fd4\u56de\u7c7b\u578b\u8bc6\u522b\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>Pylance\u7c7b\u578b\u68c0\u6d4b\u62a5\u9519\uff1a\u5982\u4f55&#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-205067","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205067","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=205067"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205067\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}