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to setup pyenv and pyenv-virtualenv in linux. pyenv lets you easily switch between multiple versions of Python.
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| # pyenv | |
| git clone https://github.com/pyenv/pyenv.git ~/.pyenv | |
| # pyenv-virtualenv | |
| git clone https://github.com/pyenv/pyenv-virtualenv.git ~/.pyenv/plugins/pyenv-virtualenv | |
| # pyenv-pip-migrate | |
| git clone git://github.com/pyenv/pyenv-pip-migrate.git ~/.pyenv/plugins/pyenv-pip-migrate | |
| # pyenv-update | |
| git clone https://github.com/pyenv/pyenv-update.git ~/.pyenv/plugins/pyenv-update | |
| # adding pyenv to environment | |
| echo '#pyenv{' >> ~/.bashrc | |
| echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc | |
| echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc | |
| echo 'if command -v pyenv 1>/dev/null 2>&1' >> ~/.bashrc | |
| echo 'then' >> ~/.bashrc | |
| echo ' eval "$(pyenv init -)"' >> ~/.bashrc | |
| echo ' eval "$(pyenv virtualenv-init -)"' >> ~/.bashrc | |
| echo 'fi' >> ~/.bashrc | |
| # aliases | |
| echo 'alias py="pyenv "' >> ~/.bashrc | |
| echo 'alias pyv="pyenv virtualenv "' >> ~/.bashrc | |
| sed -ri "s/_pyenv pyenv/_pyenv pyenv py/g" ~/.pyenv/completions/pyenv.bash | |
| # to uninstall pyenv | |
| echo 'py-uninstall () {' >> ~/.bashrc | |
| echo ' if [ `expr length "$(grep -En "^#pyenv{$|^#pyenv}$" ~/.bashrc | cut -d: -f1)"` != 0 ]' >> ~/.bashrc | |
| echo ' then' >> ~/.bashrc | |
| echo ' sed -i $(echo $(grep -En "^#pyenv{$|^#pyenv}$" ~/.bashrc | cut -d: -f1) | sed -r "s/ /,/g")d ~/.bashrc;' >> ~/.bashrc | |
| echo ' rm -rf ~/.pyenv;' >> ~/.bashrc | |
| echo ' echo "if you still getting py, manually restart shell by \`exec \$SHELL\` command"' >> ~/.bashrc | |
| echo ' exec $SHELL' >> ~/.bashrc | |
| echo ' fi' >> ~/.bashrc | |
| echo '}' >> ~/.bashrc | |
| echo '#pyenv}' >> ~/.bashrc | |
| # HELP | |
| echo "\`py install Version\` to install specific version of python" | |
| echo "\`pyv Version VenvName\` to create virtualenv" | |
| echo "\`py uninstall Version(or)VenvName\` to uninstall python version or virtualenv" | |
| echo "\`py shell Version\` to change default \`python\` in current shell" | |
| echo "\`py global Version\` to change default \`python\`" | |
| echo "\`py local VenvName\` to change default \`python\` in \$PWD" | |
| echo "\`py versions\` to get all installed versions of python and virtualenvs" | |
| echo "\`py install -l\` to get all installable versions of python" | |
| echo "\`py-uninstall\` to uninstall pyenv package" | |
| # restating shell | |
| echo "if you not getting py, manually restart shell by \`exec \$SHELL\` command" | |
| exec $SHELL |
Explaining above code 😃
bit.ly/setup-pyenv is like
$ curl bit.ly/setup-pyenv
<html>
<head><title>Bitly</title></head>
<body><a href="https://gist.githubusercontent.com/nkpro2000sr/53049a2372a6e2ba2cc779b98b33c975/raw/pyenv_setup.sh">moved here</a></body>so we have to redirect to gist link. for that curl -L bit.ly/setup-pyenv
then finally execute shell_script using sh, by piping code to sh by curl -L bit.ly/setup-pyenv | sh
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memorable way to setup pyenv easily
curl -L bit.ly/setup-pyenv | sh