Trac development tools Clone repository git clone https://svn.edgewall.org/git/trac/devs/rjollos teo-rjollos.git git config --local include.path ~/devtools/trac.gitconfig Install pyenv and pyenv-virtualenv $ brew install pyenv pyenv-virtualenv pyenv-virtualenvwrapper $ echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n eval "$(pyenv init -)"\n eval "$(pyenv virtualenv-init -)"\nfi' >> ~/.bash_profile Install some Python versions $ pyenv install 2.6.9 $ pyenv install 2.7.14 Create and activate a virtualenv $ pyenv virtualenv 2.7.14 trac-2.7 $ pyenv activate trac-2.7 $ pyenv version trac-2.7 (set by PYENV_VERSION environment variable) Install old Python on Ubuntu sudo add-apt-repository ppa:fkrull/deadsnakes sudo apt-get update sudo apt-get install python2.6 python2.6-dev