![]() As we've put $(pyenv root)/shims at the beginning of PATH above, the pip of the pyenv is used. For example, if you run pip, your operating system searches PATH for the first executable file named pip. $(pyenv root)/shims:/usr/local/bin:/usr/bin:/binĪccording to the documentation, shims are lightweight executables that pass your command along to pyenv. Pyenv inserts a directory of shims at the front of your PATH variable as follows: It then passes commands along accordingly without user intervention or knowledge about how it works. pyenv uses shim executable injections into the PATH variable to determine which version to use for any given application. It works as a shim at the level where Python calls are translated into the final executable. It helps you manage multiple versions of Python on your system. When you change to a Python version (by using pyenv global or pyenv local), it creates or updates this file with all of your current settings. Read on! How pyenv Works to Change Versions of Python In this article, we will discuss pyenv and how it works, including: installing pyenv, listing available versions of Python on your computer, setting a specific version at the global or local level, and uninstalling an old version of Python from your computer. It does not depend on Python and is made from pure shell scripts, because we do not want to depend on Python to install Python. pyenv provides support for specifying different versions in your projects. It is a powerful tool that helps you change the global Python version on a per-project basis. ![]() ![]() Using pyenv helps you write better Python code. It's useful for developers who need access to different versions of the language and those who want to use the latest version of Python without upgrading their entire system. It's simple and discreet, and it follows the UNIX tradition of the single-purpose tool that does one thing well. Running multiple Python versions can be a challenge pyenv makes it easier to change versions of Python. ![]() Pyenv lets you switch between Python versions. This is your guide to pyenv for changing and switching between Python versions. ![]()
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