I am using os.environ to include a path using

os.environ['PATH']  = os.pathsep   bin_path

In the bin_path, there is a executable ping. However, doing a shutil.which(ping) shows that ping has been picked up from a different location. How to enforce that ping accessed is the one from bin_path?

CodePudding user response：

PATH is searched in order. If you want your directory to take precedence, you need to put it at the beginning, not the end.

os.environ['PATH'] = bin_path   os.pathsep   os.environ['PATH']