{"id":971382,"date":"2024-12-27T05:34:25","date_gmt":"2024-12-26T21:34:25","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/971382.html"},"modified":"2024-12-27T05:34:27","modified_gmt":"2024-12-26T21:34:27","slug":"python-%e5%a6%82%e4%bd%95%e9%87%8d%e6%96%b0%e5%8a%a0%e8%bd%bd%e5%8c%85","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/971382.html","title":{"rendered":"python \u5982\u4f55\u91cd\u65b0\u52a0\u8f7d\u5305"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24194526\/04ba159c-18a3-46dd-8f64-9a3d29b0da55.webp\" alt=\"python \u5982\u4f55\u91cd\u65b0\u52a0\u8f7d\u5305\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u91cd\u65b0\u52a0\u8f7d\u5305\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff1a\u4f7f\u7528<code>importlib.reload()<\/code>\u51fd\u6570\u3001\u4f7f\u7528<code>IPython<\/code>\u7684\u9b54\u6cd5\u547d\u4ee4<code>%autoreload<\/code>\u3001\u91cd\u65b0\u542f\u52a8Python\u89e3\u91ca\u5668\u3002<\/strong> \u5176\u4e2d\uff0c<strong><code>importlib.reload()<\/code>\u51fd\u6570<\/strong>\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u5b83\u5141\u8bb8\u5728\u4e0d\u91cd\u542f\u89e3\u91ca\u5668\u7684\u60c5\u51b5\u4e0b\u91cd\u65b0\u52a0\u8f7d\u6a21\u5757\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u51e0\u79cd\u65b9\u6cd5\u7684\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001IMPORTLIB.RELOAD()\u51fd\u6570<\/p>\n<\/p>\n<p><p><code>importlib.reload()<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u6a21\u5757\u91cd\u8f7d\u529f\u80fd\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u53ef\u4ee5\u5728\u6a21\u5757\u7684\u5185\u5bb9\u53d1\u751f\u53d8\u5316\u540e\u91cd\u65b0\u52a0\u8f7d\u6a21\u5757\u3002\u8fd9\u4e2a\u529f\u80fd\u5bf9\u4e8e\u5f00\u53d1\u548c\u8c03\u8bd5\u4ee3\u7801\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n<p><p>\u8981\u4f7f\u7528<code>importlib.reload()<\/code>\uff0c\u9996\u5148\u9700\u8981\u5bfc\u5165<code>importlib<\/code>\u6a21\u5757\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u6a21\u5757<code>my_module<\/code>\uff0c\u5728\u8fdb\u884c\u4fee\u6539\u540e\u60f3\u8981\u91cd\u65b0\u52a0\u8f7d\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import importlib<\/p>\n<p>import my_module<\/p>\n<h2><strong>\u8fdb\u884c\u4e00\u4e9b\u4fee\u6539\u64cd\u4f5c<\/strong><\/h2>\n<p>importlib.reload(my_module)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u5f0f\u53ea\u9002\u7528\u4e8e\u5df2\u7ecf\u88ab\u5bfc\u5165\u7684\u6a21\u5757\uff0c\u4e0d\u80fd\u7528\u4e8e\u521d\u6b21\u5bfc\u5165\u6a21\u5757\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<\/p>\n<ul>\n<li><code>importlib.reload()<\/code>\u53ea\u80fd\u7528\u4e8e\u6a21\u5757\uff0c\u4e0d\u80fd\u7528\u4e8e\u5305\u3002\u5bf9\u4e8e\u5305\uff0c\u5fc5\u987b\u5355\u72ec\u5bf9\u6bcf\u4e2a\u6a21\u5757\u8fdb\u884c\u91cd\u65b0\u52a0\u8f7d\u3002<\/li>\n<li>\u5982\u679c\u6a21\u5757\u5185\u90e8\u6709\u5168\u5c40\u53d8\u91cf\uff0c\u5b83\u4eec\u5728\u91cd\u65b0\u52a0\u8f7d\u540e\u4f1a\u88ab\u91cd\u7f6e\u3002<\/li>\n<li>\u91cd\u65b0\u52a0\u8f7d\u6a21\u5757\u5e76\u4e0d\u4f1a\u5237\u65b0\u5df2\u7ecf\u5b58\u5728\u7684\u5bf9\u8c61\u5f15\u7528\uff0c\u9700\u8981\u624b\u52a8\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001IPYTHON\u7684%AUTORELOAD\u9b54\u6cd5\u547d\u4ee4<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528IPython\u6216\u8005Jupyter Notebook\u8fdb\u884c\u5f00\u53d1\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>%autoreload<\/code>\u547d\u4ee4\u6765\u81ea\u52a8\u91cd\u65b0\u52a0\u8f7d\u6a21\u5757\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u9700\u8981\u5728IPython\u73af\u5883\u4e2d\u542f\u7528\u81ea\u52a8\u91cd\u8f7d\u529f\u80fd\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">%load_ext autoreload<\/p>\n<p>%autoreload 2<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u6837\u8bbe\u7f6e\u540e\uff0c\u6bcf\u6b21\u6267\u884c\u4ee3\u7801\u5355\u5143\u65f6\uff0c\u90fd\u4f1a\u81ea\u52a8\u91cd\u65b0\u52a0\u8f7d\u6240\u6709\u5df2\u5bfc\u5165\u7684\u6a21\u5757\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4f18\u7f3a\u70b9<\/strong><\/p>\n<\/p>\n<ul>\n<li>\u4f18\u70b9\uff1a\u65e0\u9700\u624b\u52a8\u8c03\u7528<code>reload()<\/code>\uff0c\u66f4\u52a0\u65b9\u4fbf\u3002<\/li>\n<li>\u7f3a\u70b9\uff1a\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\uff0c\u5c24\u5176\u662f\u5f53\u6a21\u5757\u7684\u72b6\u6001\u4f9d\u8d56\u4e8e\u5168\u5c40\u53d8\u91cf\u65f6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001\u91cd\u65b0\u542f\u52a8PYTHON\u89e3\u91ca\u5668<\/p>\n<\/p>\n<p><p>\u6709\u65f6\u5019\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u5c31\u662f\u91cd\u65b0\u542f\u52a8Python\u89e3\u91ca\u5668\u3002\u8fd9\u79cd\u65b9\u6cd5\u786e\u4fdd\u6240\u6709\u6a21\u5757\u90fd\u88ab\u91cd\u65b0\u52a0\u8f7d\uff0c\u5e76\u4e14\u6240\u6709\u5168\u5c40\u72b6\u6001\u90fd\u88ab\u91cd\u7f6e\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u9002\u7528\u573a\u666f<\/strong><\/p>\n<\/p>\n<ul>\n<li>\u5f53\u9879\u76ee\u8f83\u5927\uff0c\u6d89\u53ca\u591a\u4e2a\u6a21\u5757\u548c\u5305\u65f6\u3002<\/li>\n<li>\u5f53\u4e0d\u786e\u5b9a\u54ea\u4e9b\u6a21\u5757\u9700\u8981\u91cd\u65b0\u52a0\u8f7d\u65f6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<\/p>\n<ul>\n<li>\u91cd\u65b0\u542f\u52a8\u89e3\u91ca\u5668\u4f1a\u4e22\u5931\u6240\u6709\u5f53\u524d\u7684\u8fd0\u884c\u72b6\u6001\u548c\u53d8\u91cf\u3002<\/li>\n<li>\u5bf9\u4e8e\u5f00\u53d1\u73af\u5883\u6765\u8bf4\uff0c\u53ef\u80fd\u6548\u7387\u8f83\u4f4e\uff0c\u56e0\u4e3a\u9700\u8981\u91cd\u65b0\u542f\u52a8\u548c\u91cd\u65b0\u5bfc\u5165\u6240\u6709\u6a21\u5757\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5f00\u53d1\u548c\u8c03\u8bd5\u9636\u6bb5<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u5f00\u53d1\u548c\u8c03\u8bd5\u9636\u6bb5\uff0c\u5c24\u5176\u662f\u4fee\u6539\u6a21\u5757\u5185\u5bb9\u65f6\uff0c\u4f7f\u7528<code>importlib.reload()<\/code>\u6216\u8005IPython\u7684<code>%autoreload<\/code>\u662f\u6bd4\u8f83\u5408\u9002\u7684\u9009\u62e9\u3002\u4e24\u8005\u7684\u9009\u62e9\u53ef\u4ee5\u6839\u636e\u4e2a\u4eba\u4e60\u60ef\u548c\u5f00\u53d1\u73af\u5883\u6765\u51b3\u5b9a\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u751f\u4ea7\u73af\u5883<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u901a\u5e38\u4e0d\u9700\u8981\u52a8\u6001\u91cd\u65b0\u52a0\u8f7d\u6a21\u5757\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0d\u4e00\u81f4\u7684\u72b6\u6001\u6216\u8005\u96be\u4ee5\u8c03\u8bd5\u7684\u95ee\u9898\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5efa\u8bae\u91cd\u65b0\u542f\u52a8Python\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u590d\u6742\u9879\u76ee<\/strong><\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u590d\u6742\u9879\u76ee\uff0c\u5982\u679c\u9700\u8981\u91cd\u65b0\u52a0\u8f7d\u591a\u4e2a\u6a21\u5757\uff0c\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u811a\u672c\u6765\u81ea\u52a8\u8c03\u7528<code>importlib.reload()<\/code>\uff0c\u6216\u8005\u8003\u8651\u91cd\u65b0\u542f\u52a8\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e94\u3001\u6df1\u5165\u7406\u89e3\u6a21\u5757\u91cd\u8f7d\u673a\u5236<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>Python\u6a21\u5757\u7684\u7f13\u5b58\u673a\u5236<\/strong><\/p>\n<\/p>\n<p><p>Python\u5728\u9996\u6b21\u5bfc\u5165\u6a21\u5757\u65f6\uff0c\u4f1a\u5c06\u6a21\u5757\u7684\u5185\u5bb9\u7f13\u5b58\u5230<code>sys.modules<\/code>\u4e2d\u3002\u540e\u7eed\u7684\u5bfc\u5165\u64cd\u4f5c\u90fd\u662f\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\uff0c\u800c\u4e0d\u662f\u91cd\u65b0\u52a0\u8f7d\u6a21\u5757\u6587\u4ef6\u3002\u56e0\u6b64\uff0c\u76f4\u63a5\u4fee\u6539\u6a21\u5757\u6587\u4ef6\u4e0d\u4f1a\u7acb\u5373\u751f\u6548\uff0c\u9700\u8981\u901a\u8fc7<code>importlib.reload()<\/code>\u6765\u5237\u65b0\u7f13\u5b58\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6a21\u5757\u7684\u4f9d\u8d56\u5173\u7cfb<\/strong><\/p>\n<\/p>\n<p><p>\u5f53\u6a21\u5757\u4e4b\u95f4\u5b58\u5728\u4f9d\u8d56\u5173\u7cfb\u65f6\uff0c\u91cd\u65b0\u52a0\u8f7d\u4e00\u4e2a\u6a21\u5757\u53ef\u80fd\u5bfc\u81f4\u4f9d\u8d56\u7684\u6a21\u5757\u884c\u4e3a\u4e0d\u4e00\u81f4\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528<code>reload()<\/code>\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u4f9d\u8d56\u5173\u7cfb\u7684\u6b63\u786e\u6027\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u52a8\u6001\u52a0\u8f7d\u6a21\u5757<\/strong><\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u52a8\u6001\u52a0\u8f7d\u6a21\u5757\u7684\u9700\u6c42\uff0c\u53ef\u4ee5\u4f7f\u7528<code>importlib.import_module()<\/code>\u6765\u5b9e\u73b0\u3002\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u6839\u636e\u9700\u6c42\u52a0\u8f7d\u4e0d\u540c\u7684\u6a21\u5757\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u516d\u3001\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6a21\u5757\u672a\u66f4\u65b0<\/strong><\/p>\n<\/p>\n<p><p>\u6709\u65f6\u5019\uff0c\u5373\u4f7f\u8c03\u7528\u4e86<code>reload()<\/code>\uff0c\u6a21\u5757\u7684\u53d8\u5316\u4ecd\u7136\u6ca1\u6709\u751f\u6548\u3002\u8fd9\u901a\u5e38\u662f\u56e0\u4e3a\u6a21\u5757\u5185\u90e8\u7684\u72b6\u6001\u6ca1\u6709\u88ab\u66f4\u65b0\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u786e\u4fdd\u6240\u6709\u9700\u8981\u66f4\u65b0\u7684\u72b6\u6001\u90fd\u88ab\u6b63\u786e\u5730\u521d\u59cb\u5316\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u590d\u6742\u4f9d\u8d56\u5bfc\u81f4\u9519\u8bef<\/strong><\/p>\n<\/p>\n<p><p>\u5f53\u6a21\u5757\u4e4b\u95f4\u5b58\u5728\u590d\u6742\u4f9d\u8d56\u65f6\uff0c\u91cd\u65b0\u52a0\u8f7d\u53ef\u80fd\u5bfc\u81f4\u4e0d\u53ef\u9884\u89c1\u7684\u9519\u8bef\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u786e\u4fdd\u4f9d\u8d56\u5173\u7cfb\u7684\u5408\u7406\u6027\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u91cd\u65b0\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u5168\u5c40\u72b6\u6001\u4e22\u5931<\/strong><\/p>\n<\/p>\n<p><p>\u91cd\u65b0\u52a0\u8f7d\u6a21\u5757\u4f1a\u5bfc\u81f4\u5168\u5c40\u72b6\u6001\u88ab\u91cd\u7f6e\u3002\u5bf9\u4e8e\u4f9d\u8d56\u5168\u5c40\u72b6\u6001\u7684\u6a21\u5757\uff0c\u5efa\u8bae\u5728\u6a21\u5757\u5185\u90e8\u63d0\u4f9b\u4e00\u4e2a\u521d\u59cb\u5316\u51fd\u6570\uff0c\u4ee5\u4fbf\u5728\u91cd\u8f7d\u540e\u91cd\u65b0\u8bbe\u7f6e\u72b6\u6001\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e03\u3001\u5b9e\u8df5\u4e2d\u7684\u6700\u4f73\u5b9e\u8df5<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6a21\u5757\u8bbe\u8ba1<\/strong><\/p>\n<\/p>\n<p><p>\u8bbe\u8ba1\u6a21\u5757\u65f6\uff0c\u5c3d\u91cf\u51cf\u5c11\u5168\u5c40\u53d8\u91cf\u7684\u4f7f\u7528\uff0c\u4ee5\u964d\u4f4e\u91cd\u65b0\u52a0\u8f7d\u5e26\u6765\u7684\u5f71\u54cd\u3002\u540c\u65f6\uff0c\u4fdd\u6301\u6a21\u5757\u7684\u72ec\u7acb\u6027\uff0c\u51cf\u5c11\u6a21\u5757\u4e4b\u95f4\u7684\u4f9d\u8d56\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6d4b\u8bd5\u548c\u8c03\u8bd5<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\uff0c\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u7531\u4e8e\u91cd\u8f7d\u5bfc\u81f4\u7684\u95ee\u9898\u3002\u4f7f\u7528\u81ea\u52a8\u5316\u6d4b\u8bd5\u5de5\u5177\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52a8\u5316\u811a\u672c<\/strong><\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u9700\u8981\u9891\u7e41\u91cd\u65b0\u52a0\u8f7d\u7684\u6a21\u5757\uff0c\u53ef\u4ee5\u7f16\u5199\u81ea\u52a8\u5316\u811a\u672c\u6765\u7b80\u5316\u64cd\u4f5c\u3002\u8fd9\u79cd\u65b9\u6cd5\u5c24\u5176\u9002\u7528\u4e8e\u5927\u9879\u76ee\u4e2d\u7684\u5f00\u53d1\u548c\u8c03\u8bd5\u9636\u6bb5\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u516b\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u6a21\u5757\u7684\u91cd\u65b0\u52a0\u8f7d\uff0c\u8fd9\u4e3a\u5f00\u53d1\u548c\u8c03\u8bd5\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u4fbf\u5229\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5f00\u53d1\u73af\u5883\u548c\u9700\u6c42\u6765\u51b3\u5b9a\u3002\u5728\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u6a21\u5757\u7684\u4f9d\u8d56\u5173\u7cfb\u548c\u5168\u5c40\u72b6\u6001\u7684\u7ba1\u7406\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9519\u8bef\u548c\u590d\u6742\u6027\u3002\u901a\u8fc7\u5408\u7406\u7684\u8bbe\u8ba1\u548c\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528Python\u7684\u6a21\u5757\u91cd\u8f7d\u673a\u5236\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u548c\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5224\u65ad\u4e00\u4e2a\u5305\u662f\u5426\u5df2\u7ecf\u52a0\u8f7d\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>sys.modules<\/code>\u6765\u5224\u65ad\u4e00\u4e2a\u5305\u662f\u5426\u5df2\u7ecf\u52a0\u8f7d\u3002\u5982\u679c\u5305\u540d\u5728<code>sys.modules<\/code>\u5b57\u5178\u4e2d\u5b58\u5728\uff0c\u8bf4\u660e\u8be5\u5305\u5df2\u7ecf\u88ab\u52a0\u8f7d\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u53ef\u4ee5\u68c0\u67e5\uff1a  <\/p>\n<pre><code class=\"language-python\">import sys\nif &#39;your_package_name&#39; in sys.modules:\n    print(&quot;\u5305\u5df2\u52a0\u8f7d&quot;)\nelse:\n    print(&quot;\u5305\u672a\u52a0\u8f7d&quot;)\n<\/code><\/pre>\n<p><strong>\u91cd\u65b0\u52a0\u8f7d\u5305\u4f1a\u5f71\u54cd\u5df2\u7ecf\u521b\u5efa\u7684\u5b9e\u4f8b\u5417\uff1f<\/strong><br \/>\u91cd\u65b0\u52a0\u8f7d\u4e00\u4e2a\u5305\u4f1a\u5bfc\u81f4\u8be5\u5305\u5185\u7684\u6240\u6709\u6a21\u5757\u548c\u5bf9\u8c61\u88ab\u91cd\u65b0\u5b9a\u4e49\u3002\u5982\u679c\u5728\u91cd\u65b0\u52a0\u8f7d\u4e4b\u524d\u5df2\u7ecf\u521b\u5efa\u4e86\u8be5\u5305\u4e2d\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u91cd\u65b0\u52a0\u8f7d\u540e\u8fd9\u4e9b\u5b9e\u4f8b\u7684\u884c\u4e3a\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u5c24\u5176\u662f\u5f53\u5305\u7684\u5b9e\u73b0\u53d1\u751f\u4e86\u53d8\u5316\u65f6\u3002\u56e0\u6b64\uff0c\u6700\u597d\u5728\u91cd\u65b0\u52a0\u8f7d\u5305\u4e4b\u524d\u786e\u4fdd\u7406\u89e3\u8be5\u5305\u7684\u7ed3\u6784\u548c\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<p><strong>\u4f7f\u7528<code>importlib<\/code>\u91cd\u65b0\u52a0\u8f7d\u5305\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u4f7f\u7528<code>importlib<\/code>\u6a21\u5757\u4e2d\u7684<code>reload<\/code>\u51fd\u6570\u662f\u91cd\u65b0\u52a0\u8f7d\u5305\u7684\u63a8\u8350\u65b9\u5f0f\u3002\u4e3a\u4e86\u786e\u4fdd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u5efa\u8bae\u5728\u91cd\u65b0\u52a0\u8f7d\u4e4b\u524d\u5148\u786e\u4fdd\u6240\u6709\u4f9d\u8d56\u7684\u6a21\u5757\u5df2\u7ecf\u5bfc\u5165\u3002\u6b64\u5916\uff0c\u6ce8\u610f\u91cd\u65b0\u52a0\u8f7d\u53ef\u80fd\u5e26\u6765\u7684\u526f\u4f5c\u7528\uff0c\u4f8b\u5982\u5168\u5c40\u72b6\u6001\u7684\u6539\u53d8\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">import importlib\nimport your_package_name\n\nimportlib.reload(your_package_name)\n<\/code><\/pre>\n<p>\u5728\u91cd\u65b0\u52a0\u8f7d\u540e\uff0c\u6700\u597d\u6267\u884c\u4e00\u4e9b\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u4e00\u5207\u6b63\u5e38\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u91cd\u65b0\u52a0\u8f7d\u5305\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff1a\u4f7f\u7528importlib.reload()\u51fd\u6570\u3001\u4f7f\u7528IPyt [&hellip;]","protected":false},"author":3,"featured_media":971387,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971382"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=971382"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971382\/revisions"}],"predecessor-version":[{"id":971388,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/971382\/revisions\/971388"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/971387"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=971382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=971382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=971382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}