| # -*- coding: utf-8 -*- |
| # SPDX-License-Identifier: GPL-2.0-or-later |
| """ This Module consists of the single function getcmdpath() """ |
| # |
| # Copyright 2012 - 2013 Raphaël Beamonte <raphael.beamonte@gmail.com> |
| # |
| |
| import os |
| import os.path |
| |
| pathSave = {} |
| def getcmdpath(which): |
| """ |
| getcmdpath is a method which allows finding an executable in the PATH |
| directories to call it from full path |
| """ |
| if which not in pathSave: |
| for path in os.environ['PATH'].split(':'): |
| cmdfile = os.path.join(path, which) |
| if os.path.isfile(cmdfile) and os.access(cmdfile, os.X_OK): |
| pathSave[which] = cmdfile |
| break |
| if not pathSave[which]: |
| raise RuntimeError(f"Command '{which}' is unknown on this system") |
| return pathSave[which] |
