Add the python-tools directory to your $PYTHONPATH.

To add a directory to your $PYTHONPATH, cd into the directory and type echo -e "\nexport PYTHONPATH=`pwd`:$PYTHONPATH" >> ~/.bashrc. Replace ~/.bashrc with the location of your shell config file.

• To use the statistics utilities, install R and rpy2.

• Simon Willison's optfunc
• StoppableThread
• asyncproc
• instancemethod pickling