How to let pyenv to find installed python versions
Solution 1
pyenv
seems to require explicit .python-version
file to be set in the current directory for any other version than the default in .pyenv/version
. This is explained in a closed GitHub issue.
The problem is fixed by creating .python-version
file. This is done automatically for example by $ pyenv local 2.7.10
.
The initial problem therefore is in the poor error message. I created a new issue to fix it.
Solution 2
Short answer — all you need to do is:
pyenv global 2.7.10
pyenv’s name for the Python 2.7.10 interpreter version is just 2.7.10
, not python2.7.10
. You can get a list of all your installed versions with:
pyenv versions
Solution 3
I had a version installed and then later uninstalled it, but the version reference remained in .pyenv/version
. Error went away once I manually removed it from there.
Akseli Palén
An adventurous web developer from Finland. Entrepreneur since 2010. Graduated with distinction as a master of science in information technology from Tampere University of Technology in 2016.
Updated on December 03, 2021Comments
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Akseli Palén over 2 years
I experience a following contradictory problem with pyenv:
$ pyenv global python2.7.10 pyenv: version `python2.7.10' not installed $ pyenv install 2.7.10 pyenv: /Users/xeli/.pyenv/versions/2.7.10 already exists continue with installation? (y/N)
Also:
$ python2.7 pyenv: python2.7: command not found The `python2.7' command exists in these Python versions: 2.7.10
The shims are on the PATH as required:
$ echo $PATH /Users/xeli/.pyenv/shims:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin
Nothing suspicious in the shims directory:
$ ls ~/.pyenv/shims | grep python2 ipython2 python2 python2-config python2.6 python2.6-config python2.7 python2.7-config
In my
.profile
I have:export PYENV_ROOT=~/.pyenv if which pyenv > /dev/null; then eval "$(pyenv init -)"; fi
Therefore pyenv should be initialized at startup.
I cannot figure out how to solve this. Any ideas?
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Sam almost 3 years
~/.python-version
?