Modules to handle the command line

You would like to allow the user to pass arguments on the command line. For example: 


myprog.py server_name name True True

myprog.py --machine server_name --test name --verbose --debug
myprog.py -v -d
myprog.py -vd
myprog.py -dv
myprog.py -v -d -m server_name
myprog.py -vdm server_name
myprog.py file1 file2 file3
myprog.py file1 file2 file3
myprog.py --machine server_name --debug file1 file2 file3
myprog.py file1 file2 file3 --machine server_name --debug