kdafuse.blogg.se - Python pip install specific version

Since you already have an installed version, you should either uninstall the current existing driver or use pip install -I MySQL_python=1.2.2 Ivvv).įor more information, see pip install -helpįirst, I see two issues with what you're trying to do. You can combine for even more verbosity (i.e.

-I stands for -ignore-installed which will ignore the installed packages, overwriting them.

Thanks to for highlighting this (and it seems that the context of the question has broadened given the time when the question was first asked!), the documentation for Python discusses a caveat with using -I, in that it can break your installation if it was installed with a different package manager or if if your package is/was a different version.

-force-reinstall is an option to reinstall all packages even if they are already up-to-date.

Is this a problem specific to this package, or am I doing something wrong? 推荐答案įor example: pip install -force-reinstall -v "MySQL_python=1.2.2"

However, when installed, it still shows MySQL_python-1.2.3-py2.6.egg-info in the site packages. Is there a way to install the older version? I have tried: pip install MySQL_python=1.2.2 The current version shown in PyPi is 1.2.3.

I am trying to install version 1.2.2 of MySQL_python, using a fresh virtualenv created with the -no-site-packages option. pip install -Iv(即pip install -Iv MySQL_python=1.2.2).例如:pip install -force-reinstall -v "MySQL_python=1.2.2"