slackbuilds_ponce/system/xonsh

xonsh is a Python-ish, BASHwards-compatible shell language 
and command prompt. The language is a superset of Python 3.4 
with additional shell primitives. xonsh (pronounced conch) 
is meant for the daily use of experts and novices alike.

Optional dependencies: setproctitle, Pygments, prompt_toolkit

NOTE:
Please install python3 first before installing all other requirements.