python tab completion in windows

python windows readline tab-completion

Do u have a look at PyReadline: a ctypes-based readline for Windows? Although 3rd-party packages is NOT your option, maybe it's useful for build one's own, isn't it:).

python windows readline tab-completion

you could look at how ipython does it with pyreadline as well, maybe

python windows readline tab-completion

Another possibility to check out is readline.py.