How to resolve relative paths in python?

Question

I have Directory structure like this

projectfolder/fold1/fold2/fold3/script.py

now I\'m giving script.py a path as commandline argument of a fi

Answer 1

import os
dir = os.path.dirname(__file__)
path = raw_input()
if os.path.isabs(path):
    print "input path is absolute"
else:
    path = os.path.join(dir, path)
    print "absolute path is %s" % path

Use os.path.isabs to judge if input path is absolute or relative, if it is relative, then use os.path.join to convert it to absolute