Issues with pyenv-virtualenv: Python and PIP not changed when activating / deactivating virtual environment

It turns out that in order to automatically activate / deactivate a venv when entering / leaving a directory the .python-version file in there must contain the venv name and not the Python version associated with that venv

So executing: pyenv local 3.8.1 creates a .python-version file which only includes the Python version 3.8.1. Then entering / leaving a directory containing .python-version file will set / unset the Python version specified in that file but will not activate / deactivate any venv.

To create a .python-version file that will do both: activate a virtual environment and set Python version the command should look like: pyenv local test where test is a venv created with: pyenv virtualenv 3.8.1 test.

So changing 3.8.1 to test in the .python-version fixed the problem. After I done this the venv was activated / deactivated when entering / leaving directory containing .python-version.

But still the Python version did not change to the one associated with the venv (in this case 3.8.1)

Then I found out that I had two lines in my .profile that was causing this problem:

alias python=/home/linuxbrew/.linuxbrew/bin/python3
alias pip=/home/linuxbrew/.linuxbrew/bin/pip3

After removing these lines everything works as expected.

I also had similar problem. The solution was to change the entries I put in my ~/.bashrc. I went on to export the variable export PYENV_ROOT="$HOME/.pyenv" and added the line eval "$(pyenv init --path)".

Run the command below in full and it will add the necessary entries to the ~/.bashrc of the user you are using.

read -r -d '' FILE_CONTENT << 'HEREDOC'
BEGIN

# >>>>>>
# pyenv configurations.

export PYENV_ROOT="$HOME/.pyenv"
export PATH="$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init --path)" # This only sets up the path stuff.
eval "$(pyenv init -)" # This makes pyenv work in the shell.
eval "$(pyenv virtualenv-init -)" # Enabling virtualenv so it works natively.
# <<<<<<

END
HEREDOC
echo -n "${FILE_CONTENT:6:-3}" | tee -a ~/.bashrc

NOTE: Tested on Manjaro (Linux, Arch based).

Thanks! =D

[Ref(s).: https://github.com/pyenv/pyenv-installer , https://github.com/pyenv/pyenv , https://realpython.com/intro-to-pyenv/ , https://github.com/pyenv/pyenv-virtualenv/issues/390#issuecomment-852599456 , https://www.giters.com/pyenv/pyenv-virtualenv/issues/407 ]