[英]How to install python packages from older version to newer version?
i was working with python 3.7 and i installed recently python 3.8 in linux.我正在使用 python 3.7,我最近在 linux 中安装了 python 3.8。
Is there any bash command or script that take a list of all packages of 3.7 and install it one by one in 3.8 version.是否有任何 bash 命令或脚本获取 3.7 的所有包的列表并在 3.8 版本中一一安装。
i want to avoid to do it by hand every package.我想避免每个 package 都手动操作。
Note: i install them in my system not using venv.注意:我将它们安装在我的系统中,而不使用 venv。
Thanks!谢谢!
/path_to_3.7_bin/python -m pip freeze > /home/packages_list.txt
then然后
/path_to_3.8_bin/python -m pip install -r /home/packages_list.txt
try https://pip.pypa.io/en/stable/reference/pip_freeze/试试https://pip.pypa.io/en/stable/reference/pip_freeze/
pip freeze > requirements.pip in the old version pip 冻结>要求。旧版本中的pip
pip install -r requirements.pip in the new version pip install -r requirements.pip 在新版本中
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