#!/usr/bin/env python
import gluon
from gluon.fileutils import untar
import os
import sys


def main():
    path = gluon.__path__
    out_path = os.getcwd()
    try:
        if sys.argv[1] and os.path.exists(sys.argv[1]):# To untar the web2py env to the selected path
            out_path = sys.argv[1]
        else:
            os.mkdir(sys.argv[1])
            out_path = sys.argv[1]
    except:
        pass
    try:
        print "Creating a web2py env in: " + out_path
        untar(os.path.join(path[0],'env.tar'),out_path)
    except:
        print "Failed to create the web2py env"
        print "Please reinstall web2py from pip"

if __name__ == '__main__':
    main()