[Python] Creates a relative symlink based on two directories. If only one directory is passed as an argument, the symlink will be created in the current working directory [Mac, Terminal, Symbolic Link, Absolute]

relsymlink.py

#!/usr/bin/python

#################################
# ~~~~~symlink
#
# version: 0.11
#
# creates a relative symbolic link pointing to the
# directory specified in the argument after '-to'. 
#
# usage: 
# ./symlink.py -to /some/dir/to/link/to -from /another/dir/to/create/link/in
# or
# ./symlink.py -to /some/dir
# (creates the link in cwd)
#
# Symlinks can be used as folder to point to, too.
#
################################

import argparse, os
import relpath

__author__ = 'powder'
 
parser = argparse.ArgumentParser(description='This is a script to create symlinks based on two absolute folders.')
parser.add_argument('-to','--tofolder', help='The folder to link to',required=True)
parser.add_argument('-from','--fromfolder',help='The folder where the symlink should be created', required=False)
args = parser.parse_args()

#print ("To folder: %s" % args.tofolder )
#print ("From folder: %s" % args.fromfolder )

tofolder = args.tofolder
if os.path.islink(tofolder):
  	tofolder = os.path.realpath(tofolder);
if args.fromfolder:
  fromfolder = args.fromfolder	
else:
	fromfolder = os.getcwd()

relativepath = relpath.relpath(tofolder, fromfolder)
print('Creating symlink to '+relativepath)

fromfolderWithFoldername = fromfolder + '/' + os.path.basename(tofolder) 
#print('fromfolderWithFoldername: '+fromfolderWithFoldername)
os.symlink(relativepath, fromfolderWithFoldername)