{"id":2453,"date":"2025-05-08T15:57:51","date_gmt":"2025-05-08T07:57:51","guid":{"rendered":"https:\/\/thereisno.top\/?p=2453"},"modified":"2025-05-08T15:58:22","modified_gmt":"2025-05-08T07:58:22","slug":"python-from-xxx-import-yyy-%e4%b8%8e-python-from-xxx-import-yyy%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/thereisno.top\/?p=2453","title":{"rendered":"python from .xxx import yyy \u4e0e from xxx import yyy\u533a\u522b"},"content":{"rendered":"\n<p>\u76f8\u5bf9\u5bfc\u5165\u53ea\u80fd\u7528\u4e8e\u540c\u4e00\u4e2apackage\u91cc\uff0c\u5e76\u4e14\u5305\u5185\u7684\u6587\u4ef6<mark style=\"background-color:#fcb900\" class=\"has-inline-color\">\u4e0d\u80fd\u5355\u72ec\u8fd0\u884c\uff0c\u53ea\u80fd\u5728\u5305\u7684\u5916\u90e8\u6765\u8c03\u7528<\/mark><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\n\n|--testmodule.py\n|\n|--testpy\n   |\n   |-- __init__.py \u6a21\u5757\u6807\u5fd7\u6587\u4ef6\n   |\n   |-- hello.py    \u6a21\u57571\n   |\n   |-- test.py             \u6a21\u57572\uff0c\u5bfc\u5165\u6a21\u57571\uff0c\u4e0d\u53ef\u4ee5\u5355\u72ec\u8fd0\u884c\n   |\n   |-- test2.py    \u53ef\u4ee5\u5355\u72ec\u8fd0\u884c\n\n\n\n\nhello.py\nprint('hello.py')\nclass hhh():\n    print('hhhh')\n\n\n\ntest.py\nfrom .hello import hhh\nprint('test.py')\n\n\n\ntestmodule.py\nfrom testpy import test\nprint('OK')\n\n\npython3 testmodule.py\nhello.py\nhhhh\ntest.py\nOK\n\n\n\n\ntest2.py\nfrom hello import hhh\nprint('test2.py')\n\n\ncd testpy \n\nls\n__init__.py\t__pycache__\thello.py\ttest.py\t\ttest2.py\n\npython3 test.py  \u4e0d\u53ef\u4ee5\u5355\u72ec\u8fd0\u884c\n\nTraceback (most recent call last):\n  File \"\/Users\/yourname\/Documents\/testpy\/test.py\", line 1, in &lt;module>\n    from .hello import hhh\nImportError: attempted relative import with no known parent package\n\npython3 test2.py  \u53ef\u4ee5\u5355\u72ec\u8fd0\u884c\nhello.py\nhhhh\ntest2.py\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u76f8\u5bf9\u5bfc\u5165\u53ea\u80fd\u7528\u4e8e\u540c\u4e00\u4e2apackage\u91cc\uff0c\u5e76\u4e14\u5305\u5185\u7684\u6587\u4ef6\u4e0d\u80fd\u5355\u72ec\u8fd0\u884c\uff0c\u53ea\u80fd\u5728\u5305\u7684\u5916\u90e8\u6765\u8c03\u7528<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[9],"class_list":["post-2453","post","type-post","status-publish","format-standard","hentry","category-python","tag-python"],"_links":{"self":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/2453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2453"}],"version-history":[{"count":2,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/2453\/revisions"}],"predecessor-version":[{"id":2455,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/2453\/revisions\/2455"}],"wp:attachment":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}