使用pip --user选项与创建virtualenv一样安全吗? [英] is using the pip --user option as safe as creating a virtualenv?

问题描述

使用pip install --user在用户的主目录中安装软件包是否提供与使用virtualenv相同级别的保护，以防止系统破坏性更改?

Does installing packages in the home directory of a user with pip install --user provide the same level of protection against system-breaking changes as using a virtualenv?

推荐答案

在与pip install --user一起使用的主目录中安装软件包是否提供与使用virtualenv相同级别的保护，防止系统破坏性更改?

Does installing packages in the home directory of a use with pip install --user provide the same level of protection against system-breaking changes as using a virtualenv?

通过系统重大更改"， 我想您是指由操作系统的程序包管理器工具安装的程序包. 使用pip的--user选项， 软件包将安装在用户的主目录中. 而且由于软件包管理器不应依赖于用户目录，而是仅使用安装在系统中指定位置的软件包， 独立于用户的垃圾， 一个正确管理的系统应该不能使用pip install --user破坏.

By "system-breaking changes", I suppose you mean packages installed by the operating system's package manager tool. With the --user option of pip, packages will be installed in the user's home directory. And since the package manager is not supposed to depend on user directories, but use only packages installed at the designated location in the system, independent from users's junk, a properly managed system should not be possible to break using pip install --user.

但是， 如果您与用户一起使用多个Python项目， 始终保持使用virtualenv是有意义的， 以防止项目之间的版本冲突.

However, if you work with more than one Python project with your user, it makes sense to always use virtualenv consistently, to prevent versioning conflicts between the projects.

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