{"id":2899,"date":"2025-03-18T00:13:51","date_gmt":"2025-03-17T16:13:51","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2899"},"modified":"2025-03-18T00:18:15","modified_gmt":"2025-03-17T16:18:15","slug":"python3-pip-%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/18\/python3-pip-%e8%af%a6%e8%a7%a3\/","title":{"rendered":"Python3 pip"},"content":{"rendered":"\n

pip<\/code>\uff08Python Package Installer\uff09\u662f Python \u5b98\u65b9\u63a8\u8350\u7684\u5305\u7ba1\u7406\u5de5\u5177\uff0c\u4e3b\u8981\u7528\u4e8e\u5b89\u88c5\u3001\u5347\u7ea7\u3001\u5378\u8f7d\u548c\u7ba1\u7406 Python \u7b2c\u4e09\u65b9\u5e93\u548c\u4f9d\u8d56\u9879\u3002pip<\/code> \u76f4\u63a5\u4e0e Python Package Index\uff08PyPI\uff09<\/strong> \u4ea4\u4e92\uff0c\u540c\u65f6\u652f\u6301\u81ea\u5b9a\u4e49\u8f6f\u4ef6\u6e90\uff0c\u5e76\u53ef\u4e0e venv<\/code>\u3001virtualenv<\/code> \u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n\n\n\n

\n\n\n\n

1. pip \u4e0b\u8f7d\u5b89\u88c5\u4e0e\u5347\u7ea7<\/strong><\/h2>\n\n\n\n

1.1 \u68c0\u67e5 pip \u7248\u672c<\/strong><\/h3>\n\n\n\n

\u5728\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u8f93\u5165\uff1a<\/p>\n\n\n\n

pip --version<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
pip 23.0.1 from \/usr\/local\/lib\/python3.9\/site-packages\/pip (python 3.9)<\/code><\/pre>\n\n\n\n
1.2 \u5b89\u88c5 pip<\/strong><\/h3>\n\n\n\n
Linux\/macOS<\/strong><\/h4>\n\n\n\n
\u9ed8\u8ba4 Python 3 \u4ee5\u4e0a\u7248\u672c\u81ea\u5e26 pip<\/code>\uff0c\u5982\u679c\u7f3a\u5931\uff0c\u53ef\u4f7f\u7528\uff1a<\/p>\n\n\n\n
python3 -m ensurepip --default-pip<\/code><\/pre>\n\n\n\n
\u6216\u8005\u4e0b\u8f7d\u5b98\u65b9\u5b89\u88c5\u811a\u672c\uff1a<\/p>\n\n\n\n
curl https:\/\/bootstrap.pypa.io\/get-pip.py -o get-pip.py\npython3 get-pip.py<\/code><\/pre>\n\n\n\n
Windows<\/strong><\/h4>\n\n\n\n
python -m ensurepip --default-pip<\/code><\/pre>\n\n\n\n
\u82e5\u4ecd\u4e0d\u53ef\u7528\uff0c\u53ef\u5c1d\u8bd5\uff1a<\/p>\n\n\n\n
python -m pip install --upgrade pip<\/code><\/pre>\n\n\n\n
1.3 \u5347\u7ea7 pip<\/strong><\/h3>\n\n\n\n
\u4fdd\u6301 pip<\/code> \u7248\u672c\u6700\u65b0\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u517c\u5bb9\u6027\uff1a<\/p>\n\n\n\n
pip install --upgrade pip<\/code><\/pre>\n\n\n\n
\n\n\n\n
2. pip \u57fa\u672c\u7528\u6cd5<\/strong><\/h2>\n\n\n\n
2.1 \u5b89\u88c5 Python \u5305<\/strong><\/h3>\n\n\n\n
pip install package_name<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\uff1a<\/p>\n\n\n\n
pip install requests<\/code><\/pre>\n\n\n\n
\u6307\u5b9a\u7248\u672c\u5b89\u88c5<\/strong><\/h4>\n\n\n\n
pip install package_name==1.2.3<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
pip install flask==2.2.2<\/code><\/pre>\n\n\n\n
\u5b89\u88c5\u591a\u4e2a\u5305<\/strong><\/h4>\n\n\n\n
\u53ef\u4ee5\u4f7f\u7528 requirements.txt<\/code> \u7ba1\u7406\u4f9d\u8d56\u9879\uff1a<\/p>\n\n\n\n
flask==2.2.2\nrequests>=2.26.0\nnumpy<\/code><\/pre>\n\n\n\n
\u5b89\u88c5\u65b9\u5f0f\uff1a<\/p>\n\n\n\n
pip install -r requirements.txt<\/code><\/pre>\n\n\n\n
\n\n\n\n
2.2 \u5378\u8f7d Python \u5305<\/strong><\/h3>\n\n\n\n
pip uninstall package_name<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\uff1a<\/p>\n\n\n\n
pip uninstall numpy<\/code><\/pre>\n\n\n\n
\n\n\n\n
2.3 \u67e5\u770b\u5df2\u5b89\u88c5\u7684\u5305<\/strong><\/h3>\n\n\n\n
pip list<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
Package    Version\n---------- -------\nFlask      2.2.2\nrequests   2.26.0<\/code><\/pre>\n\n\n\n
2.4 \u67e5\u770b\u5305\u8be6\u7ec6\u4fe1\u606f<\/strong><\/h3>\n\n\n\n
pip show package_name<\/code><\/pre>\n\n\n\n
\u4f8b\u5982\uff1a<\/p>\n\n\n\n
pip show requests<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
Name: requests\nVersion: 2.26.0\nSummary: Python HTTP for Humans.\nHome-page: https:\/\/requests.readthedocs.io\/en\/latest\/\nLocation: \/usr\/local\/lib\/python3.9\/site-packages\nRequires: certifi, urllib3, charset-normalizer, idna<\/code><\/pre>\n\n\n\n
2.5 \u68c0\u67e5\u53ef\u7528\u66f4\u65b0<\/strong><\/h3>\n\n\n\n
pip list --outdated<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n
Package    Version Latest Type\n---------- ------- ------ -----\nFlask      2.2.2   2.3.0  wheel\nrequests   2.26.0  2.27.1 wheel<\/code><\/pre>\n\n\n\n
\u5982\u679c\u9700\u8981\u66f4\u65b0\uff1a<\/p>\n\n\n\n
pip install --upgrade flask requests<\/code><\/pre>\n\n\n\n
\n\n\n\n
3. \u4f7f\u7528\u56fd\u5185\u955c\u50cf\u52a0\u901f pip \u4e0b\u8f7d<\/strong><\/h2>\n\n\n\n
3.1 \u4e34\u65f6\u4f7f\u7528<\/strong><\/h3>\n\n\n\n
pip install package_name -i https:\/\/pypi.tuna.tsinghua.edu.cn\/simple<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\uff1a<\/p>\n\n\n\n
pip install pandas -i https:\/\/pypi.tuna.tsinghua.edu.cn\/simple<\/code><\/pre>\n\n\n\n
3.2 \u914d\u7f6e\u5168\u5c40\u955c\u50cf<\/strong><\/h3>\n\n\n\n
\u5728 ~\/.pip\/pip.conf<\/code>\uff08Linux\/macOS\uff09\u6216 C:\\Users\\\u4f60\u7684\u7528\u6237\u540d\\pip\\pip.ini<\/code>\uff08Windows\uff09\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n
[global]\nindex-url = https:\/\/pypi.tuna.tsinghua.edu.cn\/simple<\/code><\/pre>\n\n\n\n
\u56fd\u5185\u5e38\u7528 PyPI \u955c\u50cf\uff1a<\/p>\n\n\n\n
\u955c\u50cf\u6e90<\/th>\u5730\u5740<\/th><\/tr><\/thead>
\u6e05\u534e\u5927\u5b66<\/td>https:\/\/pypi.tuna.tsinghua.edu.cn\/simple<\/code><\/td><\/tr>
\u963f\u91cc\u4e91<\/td>https:\/\/mirrors.aliyun.com\/pypi\/simple\/<\/code><\/td><\/tr>
\u8c46\u74e3<\/td>https:\/\/pypi.douban.com\/simple\/<\/code><\/td><\/tr>
\u534e\u4e3a<\/td>https:\/\/repo.huaweicloud.com\/repository\/pypi\/simple\/<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
4. pip \u8fdb\u9636\u7528\u6cd5<\/strong><\/h2>\n\n\n\n
4.1 \u751f\u6210 requirements.txt<\/strong><\/h3>\n\n\n\n
\u5bfc\u51fa\u5f53\u524d\u73af\u5883\u7684\u4f9d\u8d56\uff1a<\/p>\n\n\n\n
pip freeze > requirements.txt<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\uff1a<\/p>\n\n\n\n
flask==2.2.2\nrequests==2.26.0\nnumpy==1.21.2<\/code><\/pre>\n\n\n\n
4.2 \u4f9d\u8d56\u9879\u68c0\u67e5<\/strong><\/h3>\n\n\n\n
\u68c0\u6d4b\u5305\u4f9d\u8d56\u662f\u5426\u5b58\u5728\u95ee\u9898\uff1a<\/p>\n\n\n\n
pip check<\/code><\/pre>\n\n\n\n
4.3 \u67e5\u770b pip \u914d\u7f6e<\/strong><\/h3>\n\n\n\n
pip config list<\/code><\/pre>\n\n\n\n
4.4 \u6e05\u7406 pip \u7f13\u5b58<\/strong><\/h3>\n\n\n\n
pip cache purge<\/code><\/pre>\n\n\n\n
\n\n\n\n
5. pip \u89e3\u51b3\u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n\n\n\n
5.1 pip \u547d\u4ee4\u672a\u627e\u5230<\/strong><\/h3>\n\n\n\n
pip: command not found<\/code><\/pre>\n\n\n\n
\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
python3 -m ensurepip --default-pip\npython3 -m pip install --upgrade pip<\/code><\/pre>\n\n\n\n
5.2 SSL \u8bc1\u4e66\u9519\u8bef<\/strong><\/h3>\n\n\n\n
\u9519\u8bef\u4fe1\u606f\uff1a<\/p>\n\n\n\n
pip is configured with locations that require TLS\/SSL, however the ssl module in Python is not available.<\/code><\/pre>\n\n\n\n
\u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
    \n
  • \u91cd\u65b0\u5b89\u88c5 OpenSSL\uff1a<\/li>\n<\/ul>\n\n\n\n
      sudo apt install openssl<\/code><\/pre>\n\n\n\n
      \n
    • \u91cd\u65b0\u7f16\u8bd1 Python \u5e76\u542f\u7528 SSL \u652f\u6301\uff1a<\/li>\n<\/ul>\n\n\n\n
        .\/configure --with-openssl<\/code><\/pre>\n\n\n\n
      5.3 \u4f9d\u8d56\u51b2\u7a81<\/strong><\/h3>\n\n\n\n
      pip check<\/code><\/pre>\n\n\n\n
      \u5982\u679c\u6709\u51b2\u7a81\uff1a<\/p>\n\n\n\n
      pip install package_name --force-reinstall<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      6. pip \u4e0e\u865a\u62df\u73af\u5883\uff08venv\uff09<\/strong><\/h2>\n\n\n\n
      \u63a8\u8350\u5728\u865a\u62df\u73af\u5883\u4e2d\u5b89\u88c5\u4f9d\u8d56\uff0c\u4ee5\u907f\u514d\u5168\u5c40 Python \u4f9d\u8d56\u51b2\u7a81\uff1a<\/p>\n\n\n\n
      python3 -m venv myenv\nsource myenv\/bin\/activate  # Linux\/macOS\nmyenv\\Scripts\\activate     # Windows\npip install flask<\/code><\/pre>\n\n\n\n
      \u9000\u51fa\u865a\u62df\u73af\u5883\uff1a<\/p>\n\n\n\n
      deactivate<\/code><\/pre>\n\n\n\n
      \n\n\n\n
      7. \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
      \u547d\u4ee4<\/th>\u4f5c\u7528<\/th><\/tr><\/thead>
      pip install package_name<\/code><\/td>\u5b89\u88c5\u5305<\/td><\/tr>
      pip uninstall package_name<\/code><\/td>\u5378\u8f7d\u5305<\/td><\/tr>
      pip list<\/code><\/td>\u67e5\u770b\u5df2\u5b89\u88c5\u5305<\/td><\/tr>
      pip show package_name<\/code><\/td>\u67e5\u770b\u5305\u8be6\u60c5<\/td><\/tr>
      pip freeze > requirements.txt<\/code><\/td>\u5bfc\u51fa\u4f9d\u8d56<\/td><\/tr>
      pip install -r requirements.txt<\/code><\/td>\u4f9d\u8d56\u5b89\u88c5<\/td><\/tr>
      pip check<\/code><\/td>\u68c0\u67e5\u4f9d\u8d56<\/td><\/tr>
      pip list --outdated<\/code><\/td>\u68c0\u67e5\u53ef\u5347\u7ea7\u7684\u5305<\/td><\/tr>
      pip install --upgrade pip<\/code><\/td>\u5347\u7ea7 pip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
      pip<\/code> \u662f Python \u751f\u6001\u4e2d\u81f3\u5173\u91cd\u8981\u7684\u5de5\u5177\uff0c\u638c\u63e1\u5b83\u53ef\u4ee5\u5927\u5e45\u63d0\u5347 Python \u5f00\u53d1\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      pip\uff08Python Package Installer\uff09\u662f Python \u5b98\u65b9\u63a8\u8350\u7684\u5305\u7ba1\u7406\u5de5\u5177\uff0c\u4e3b\u8981\u7528\u4e8e\u5b89\u88c5 […]<\/p>\n","protected":false},"author":1,"featured_media":2900,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"class_list":["post-2899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python-3-"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2899"}],"version-history":[{"count":3,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2899\/revisions"}],"predecessor-version":[{"id":2904,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2899\/revisions\/2904"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2900"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2899"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2899"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}