PyVISA : Python VISA bindings for GPIB, RS232, and USB instruments ( https://github.com/pyvisa/pyvisa )
PyVISA-py : Python VISA bindings for GPIB, RS232, and USB instruments ( https://pyvisa-py.readthedocs.io )
PyVISA-sim : Simulated backend for PyVISA implementing TCPIP, GPIB, RS232, and USB resources ( https://github.com/pyvisa/pyvisa-sim )
gpib-ctypes : Cross-platform Python bindings for the NI GPIB and linux-gpib C interfaces ( https://github.com/tivek/gpib_ctypes )
stringparser : Easy to use pattern matching and information extraction ( https://github.com/hgrecco/stringparser )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a natinst
For Paludis use this rsync : rsync://gentoo.zugaina.org/natinst-portage
If you have a problem : ycarus(-at-)zugaina.org