#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# "Hello Friends" in Chinese: 朋友你好
import os
import sys
import time
from argparse import ArgumentParser


def set_v_print(verbose):
    """
    Defines the function v_print.
    It prints if verbose is true, otherwise, it does nothing.
    See: http://stackoverflow.com/questions/5980042
    :param verbose: A bool to determine if v_print will print its args.
    """
    global v_print
    if verbose:
        def v_print(*s):
            print ' '.join([i.encode('utf8') for i in s])
    else:
        v_print = lambda *s: None


def main(debug):
    start_time = time.time()
    localdir = os.path.abspath(os.path.dirname(sys.argv[0]))
    v_print("(verbose mode) debug =", str(debug))
    v_print("(verbose mode) debug = %s, localdir = %s" % (repr(debug), localdir))
    print "Done.  That took %1.2fs." % (time.time() - start_time)


if __name__ == '__main__':
    parser = ArgumentParser(description='Just a template sample.')
    parser.add_argument('-d', '--debug', action='store_true')
    parser.add_argument('-v', '--verbose', action='store_true')
    args = parser.parse_args()
    set_v_print(args.verbose)
    main(args.debug)