![\"\u5982\u4f55\u8ba9\u7535\u8111\u9ed8\u8ba4\u8c03\u7528python3\"](\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/13407699-75dc-4151-9eaa-67aa891b43ef.webp?x-oss-process=image\/auto-orient,1\/format,webp\")
<\/p>\n<\/p>\n
\u8981\u8ba9\u7535\u8111\u9ed8\u8ba4\u8c03\u7528python3\uff0c\u9700\u8981\u8bbe\u7f6e\u7cfb\u7edf\u8def\u5f84\u3001\u4f7f\u7528\u522b\u540d\u3001\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u7b49\u65b9\u6cd5\u3002\u901a\u8fc7\u4fee\u6539shell\u914d\u7f6e\u6587\u4ef6\u3001\u4f7f\u7528\u66f4\u65b0\u66ff\u4ee3\u65b9\u6848\u548c\u5b89\u88c5\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u3002<\/strong> <\/p>\n<\/p>\n \u5728\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u65b9\u6cd5\u4e4b\u524d\uff0c\u9996\u5148\u8981\u660e\u786e\u4e3a\u4ec0\u4e48\u8981\u5c06Python3\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u7248\u672c\u3002Python2\u5df2\u7ecf\u505c\u6b62\u66f4\u65b0\uff0cPython3\u5728\u6027\u80fd\u3001\u5b89\u5168\u6027\u548c\u65b0\u7279\u6027\u65b9\u9762\u90fd\u6709\u663e\u8457\u63d0\u5347\u3002\u56e0\u6b64\uff0c\u5207\u6362\u5230Python3\u5e76\u5c06\u5176\u8bbe\u4e3a\u9ed8\u8ba4\u7248\u672c\u662f\u975e\u5e38\u6709\u5fc5\u8981\u7684\u3002<\/p>\n<\/p>\n \u65e0\u8bba\u4f60\u4f7f\u7528\u7684\u662fbash\u8fd8\u662fzsh\uff0c\u4fee\u6539\u76f8\u5e94\u7684shell\u914d\u7f6e\u6587\u4ef6\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n \u6253\u5f00\u7ec8\u7aef\uff0c\u8f93\u5165\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u6216\u8005\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\u5230\u6587\u4ef6\u672b\u5c3e\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002<\/p>\n<\/p>\n<\/li>\n \u4f7f\u4fee\u6539\u751f\u6548\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u6216\u8005\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n \u8fd9\u6837\uff0c\u4f60\u5728\u7ec8\u7aef\u4e2d\u8f93\u5165 \u5728\u7ec8\u7aef\u4e2d\u8f93\u5165 \u9996\u5148\uff0c\u68c0\u67e5\u7cfb\u7edf\u4e2d\u5df2\u5b89\u88c5\u7684Python\u7248\u672c\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u914d\u7f6eupdate-alternatives\uff1a<\/p>\n<\/p>\n sudo update-alternatives --install \/usr\/bin\/python python \/usr\/bin\/python3 2<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u9009\u62e9\u9ed8\u8ba4\u7684Python\u7248\u672c\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u63d0\u793a\u7684\u5217\u8868\u4e2d\u9009\u62e9 \u518d\u6b21\u8f93\u5165 \u5728\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u4e5f\u662f\u4e00\u79cd\u6709\u6548\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u4ee5macOS\u4e3a\u4f8b\uff1a<\/p>\n<\/p>\n \u6253\u5f00\u7ec8\u7aef\uff0c\u7f16\u8f91\u73af\u5883\u53d8\u91cf\u6587\u4ef6\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u4fdd\u5b58\u6587\u4ef6\u5e76\u9000\u51fa\u7f16\u8f91\u5668\u3002<\/p>\n<\/p>\n<\/li>\n \u4f7f\u4fee\u6539\u751f\u6548\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n \u8f93\u5165 \u5b89\u88c5pyenv\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\u5230shell\u914d\u7f6e\u6587\u4ef6\uff08\u5982.bashrc\u6216.zshrc\uff09\uff1a<\/p>\n<\/p>\n eval "$(pyenv init --path)"<\/p>\n eval "$(pyenv init -)"<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u91cd\u65b0\u52a0\u8f7dshell\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u6216\u8005\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n \u5b89\u88c5Python3\u5e76\u8bbe\u7f6e\u4e3a\u5168\u5c40\u9ed8\u8ba4\u7248\u672c\uff1a<\/p>\n<\/p>\n pyenv global 3.x.x<\/p>\n <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n \u8f93\u5165 \u5728\u5c06Python3\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u7248\u672c\u540e\uff0c\u786e\u4fdd\u4f60\u7684\u811a\u672c\u548c\u5e94\u7528\u7a0b\u5e8f\u4e0ePython3\u517c\u5bb9\u3002Python2\u548cPython3\u5728\u8bed\u6cd5\u548c\u5e93\u65b9\u9762\u5b58\u5728\u4e00\u4e9b\u4e0d\u517c\u5bb9\u4e4b\u5904\uff0c\u56e0\u6b64\u53ef\u80fd\u9700\u8981\u5bf9\u4ee3\u7801\u8fdb\u884c\u9002\u5f53\u4fee\u6539\u3002<\/p>\n<\/p>\n \u5b9a\u671f\u68c0\u67e5\u548c\u66f4\u65b0Python\u7248\u672c\u53ef\u4ee5\u786e\u4fdd\u4f60\u4f7f\u7528\u7684\u662f\u6700\u65b0\u7684\u7279\u6027\u548c\u5b89\u5168\u8865\u4e01\u3002\u4f7f\u7528 \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u540c\u65f6\u4f7f\u7528Python2\u548cPython3\u3002\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7248\u672c\u6765\u8fd0\u884c\u811a\u672c\uff0c\u4f8b\u5982 \u7efc\u4e0a\u6240\u8ff0\uff0c\u901a\u8fc7\u4fee\u6539shell\u914d\u7f6e\u6587\u4ef6\u3001\u4f7f\u7528\u66f4\u65b0\u66ff\u4ee3\u65b9\u6848\u3001\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u548c\u5229\u7528Python\u7248\u672c\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u8f7b\u677e\u5c06Python3\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u7248\u672c\u3002\u8fd9\u4e0d\u4ec5\u80fd\u63d0\u5347\u5f00\u53d1\u6548\u7387\uff0c\u8fd8\u80fd\u786e\u4fdd\u4f60\u4f7f\u7528\u7684\u662f\u66f4\u5b89\u5168\u3001\u66f4\u9ad8\u6548\u7684Python\u7248\u672c\u3002<\/p>\n<\/p>\n \u5982\u4f55\u68c0\u67e5\u5f53\u524d\u7cfb\u7edf\u4e2d\u5df2\u5b89\u88c5\u7684Python\u7248\u672c\uff1f<\/strong> \u5982\u4f55\u5728Windows\u4e0a\u8bbe\u7f6ePython 3\u4e3a\u9ed8\u8ba4Python\u7248\u672c\uff1f<\/strong> \u5728Linux\u7cfb\u7edf\u4e2d\u5982\u4f55\u5c06Python 3\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\uff1f<\/strong> \u5982\u4f55\u5728macOS\u4e0a\u5c06Python 3\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\uff1f<\/strong>\u4e00\u3001\u4fee\u6539shell\u914d\u7f6e\u6587\u4ef6<\/h3>\n<\/p>\n
1. \u4fee\u6539.bashrc\u6216.zshrc\u6587\u4ef6<\/h4>\n<\/p>\n
\n
nano ~\/.bashrc<\/p>\nnano ~\/.zshrc<\/p>\nalias python='python3'<\/p>\nsource ~\/.bashrc<\/p>\nsource ~\/.zshrc<\/p>\npython<\/code>\u65f6\uff0c\u5c31\u4f1a\u9ed8\u8ba4\u8c03\u7528python3<\/code>\u3002<\/p>\n<\/p>\n2. \u68c0\u67e5\u6548\u679c<\/h4>\n<\/p>\n
python --version<\/code>\uff0c\u4f60\u5e94\u8be5\u4f1a\u770b\u5230\u7c7b\u4f3cPython 3.x.x<\/code>\u7684\u8f93\u51fa\uff0c\u8868\u793a\u914d\u7f6e\u6210\u529f\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u4f7f\u7528\u66f4\u65b0\u66ff\u4ee3\u65b9\u6848<\/h3>\n<\/p>\n
1. \u4f7f\u7528update-alternatives\uff08\u9002\u7528\u4e8eDebian\u548cUbuntu\uff09<\/h4>\n<\/p>\n
update-alternatives<\/code>\u547d\u4ee4\u662f\u4e00\u4e2a\u7ba1\u7406\u4e0d\u540c\u7248\u672c\u8f6f\u4ef6\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u8bbe\u7f6e\u7cfb\u7edf\u9ed8\u8ba4\u7684Python\u7248\u672c\u3002<\/p>\n<\/p>\n\n
ls \/usr\/bin\/python*<\/p>\nsudo update-alternatives --install \/usr\/bin\/python python \/usr\/bin\/python2 1<\/p>\nsudo update-alternatives --config python<\/p>\npython3<\/code>\u5bf9\u5e94\u7684\u9009\u9879\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n2. \u68c0\u67e5\u6548\u679c<\/h4>\n<\/p>\n
python --version<\/code>\uff0c\u786e\u8ba4\u8f93\u51fa\u4e3aPython 3.x.x<\/code>\u3002<\/p>\n<\/p>\n\u4e09\u3001\u914d\u7f6e\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
1. \u4fee\u6539\u73af\u5883\u53d8\u91cf\u6587\u4ef6<\/h4>\n<\/p>\n
\n
nano ~\/.bash_profile<\/p>\nexport PATH="\/usr\/local\/bin\/python3:$PATH"<\/p>\nsource ~\/.bash_profile<\/p>\n2. \u68c0\u67e5\u6548\u679c<\/h4>\n<\/p>\n
python --version<\/code>\uff0c\u786e\u8ba4\u8f93\u51fa\u4e3aPython 3.x.x<\/code>\u3002<\/p>\n<\/p>\n\u56db\u3001\u4f7f\u7528Python\u7248\u672c\u7ba1\u7406\u5de5\u5177<\/h3>\n<\/p>\n
1. pyenv<\/h4>\n<\/p>\n
pyenv<\/code>\u662f\u4e00\u4e2a\u6d41\u884c\u7684Python\u7248\u672c\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5728\u591a\u4e2aPython\u7248\u672c\u4e4b\u95f4\u5207\u6362\u3002<\/p>\n<\/p>\n\n
curl https:\/\/pyenv.run | bash<\/p>\nexport PATH="$HOME\/.pyenv\/bin:$PATH"<\/p>\nsource ~\/.bashrc<\/p>\nsource ~\/.zshrc<\/p>\npyenv install 3.x.x<\/p>\n2. \u68c0\u67e5\u6548\u679c<\/h4>\n<\/p>\n
python --version<\/code>\uff0c\u786e\u8ba4\u8f93\u51fa\u4e3aPython 3.x.x<\/code>\u3002<\/p>\n<\/p>\n\u4e94\u3001\u5176\u4ed6\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
1. \u786e\u4fdd\u517c\u5bb9\u6027<\/h4>\n<\/p>\n
2. \u5b9a\u671f\u66f4\u65b0<\/h4>\n<\/p>\n
pyenv<\/code>\u7b49\u5de5\u5177\uff0c\u53ef\u4ee5\u8f7b\u677e\u7ba1\u7406\u548c\u66f4\u65b0Python\u7248\u672c\u3002<\/p>\n<\/p>\n3. \u591a\u7248\u672c\u5171\u5b58<\/h4>\n<\/p>\n
python2 script.py<\/code>\u6216python3 script.py<\/code>\uff0c\u4ee5\u786e\u4fdd\u4f7f\u7528\u6b63\u786e\u7684Python\u7248\u672c\u3002<\/p>\n<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5728\u547d\u4ee4\u884c\u4e2d\u8f93\u5165python --version<\/code>\u548cpython3 --version<\/code>\u53ef\u4ee5\u5feb\u901f\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u5b89\u88c5\u7684Python\u7248\u672c\u3002\u5982\u679c\u53ea\u8fd4\u56dePython 2.x\u7248\u672c\uff0c\u8bf4\u660e\u9700\u8981\u66f4\u65b0\u6216\u5b89\u88c5Python 3.x\u3002<\/p>\n
\u5728Windows\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u73af\u5883\u53d8\u91cf\u6765\u8bbe\u7f6ePython 3\u4e3a\u9ed8\u8ba4\u7248\u672c\u3002\u6253\u5f00\u201c\u7cfb\u7edf\u5c5e\u6027\u201d\uff0c\u8fdb\u5165\u201c\u73af\u5883\u53d8\u91cf\u201d\uff0c\u5728\u201c\u7cfb\u7edf\u53d8\u91cf\u201d\u4e2d\u627e\u5230Path<\/code>\uff0c\u6dfb\u52a0Python 3\u7684\u5b89\u88c5\u8def\u5f84\uff0c\u5e76\u786e\u4fdd\u5176\u5728\u5176\u4ed6Python\u7248\u672c\u8def\u5f84\u4e4b\u524d\u3002<\/p>\n
\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528update-alternatives<\/code>\u547d\u4ee4\u6765\u9009\u62e9\u9ed8\u8ba4Python\u7248\u672c\u3002\u8f93\u5165\u547d\u4ee4sudo update-alternatives --install \/usr\/bin\/python python \/usr\/bin\/python3 1<\/code>\u53ef\u4ee5\u5c06Python 3\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u7248\u672c\u3002\u786e\u4fdd\u5728\u8bbe\u7f6e\u540e\uff0c\u4f7f\u7528python --version<\/code>\u68c0\u67e5\u662f\u5426\u5df2\u6210\u529f\u66f4\u6539\u3002<\/p>\n
\u5728macOS\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539.bash_profile<\/code>\u6216.zshrc<\/code>\u6587\u4ef6\u6765\u5b9e\u73b0\u3002\u6dfb\u52a0alias python=python3<\/code>\u8fd9\u884c\u4ee3\u7801\uff0c\u5e76\u4fdd\u5b58\u6587\u4ef6\u540e\uff0c\u8fd0\u884csource ~\/.bash_profile<\/code>\u6216source ~\/.zshrc<\/code>\u4ee5\u5e94\u7528\u66f4\u6539\u3002\u8fd9\u5c06\u4f7f\u5f97\u6bcf\u6b21\u8f93\u5165python<\/code>\u65f6\u5b9e\u9645\u8c03\u7528\u7684\u662fPython 3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u8ba9\u7535\u8111\u9ed8\u8ba4\u8c03\u7528python3\uff0c\u9700\u8981\u8bbe\u7f6e\u7cfb\u7edf\u8def\u5f84\u3001\u4f7f\u7528\u522b\u540d\u3001\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u7b49\u65b9\u6cd5\u3002\u901a\u8fc7\u4fee\u6539shell\u914d\u7f6e\u6587\u4ef6\u3001\u4f7f […]","protected":false},"author":3,"featured_media":1061224,"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\/1061217"}],"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=1061217"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1061217\/revisions"}],"predecessor-version":[{"id":1061226,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1061217\/revisions\/1061226"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1061224"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1061217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1061217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1061217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}