xcp_d.utils.filemanip.which

xcp_d.utils.filemanip.which(cmd, env=None, pathext=None)

Return the path to an executable which would be run if the given cmd was called.

If no cmd would be called, return None.

Code for Python < 3.3 is based on a code snippet from http://orip.org/2009/08/python-checking-if-executable-exists-in.html