link a project folder

linkProject.py

#!/usr/bin/env python
# Manages links to a project directory
import optparse
import os.path
import sys


DEFAULTHOME = os.path.join(os.environ['HOME'], 'projects')


def main():
    parser = optparse.OptionParser()
    parser.add_option(
        "-c", "--create", dest="create",
        type='string',
        help="Create a link")

    (options, args) = parser.parse_args()
    if not os.path.exists(DEFAULTHOME):
        parser.error("Directory to create links does not exist: {}".format(
            DEFAULTHOME))
    if options.create:
        path = os.path.join(DEFAULTHOME, options.create)
        projectname = os.path.basename(options.create)
        if projectname in os.listdir(DEFAULTHOME):
            print("Provided path already exists: {}".format(path))
            sys.exit(1)
        linkname = os.path.join(os.getcwd(), projectname)
        os.symlink(linkname, path)
        print("{} created.".format(path))


if __name__ == '__main__':
    main()