Enable tab completion in an interactive python2 shell

python2rc.py

'''
This script enables tab competion for functions in the Python2 interactive shell.
It requires the readline and rlcompleter packages (install with pip) and set PYTHONSTARTUP
to this file's location as an enironmental variable in your .bashrc file.
'''

try:
    import readline
except ImportError:
    pass
else:
    import rlcompleter
    readline.parse_and_bind("tab: complete")