#! /usr/bin/python3

from argparse import ArgumentParser
import os
import sys
from urllib.parse import urljoin

import requests


paste_host = 'paste.ubuntu.com'
paste_path = ''


if __name__ == '__main__':
    poster = os.environ.get("USER")

    parser = ArgumentParser()
    parser.add_argument("-f", "--format", default="text", help="format of paste")
    parser.add_argument("title", default="The loser %s didn't even add a title" % poster, nargs="?")
    args = parser.parse_args()

    form = (('poster', poster), ('title', args.title), ('syntax', args.format), ('content', sys.stdin.read()))
    response = requests.post('https://%s/%s' % (paste_host, paste_path.lstrip('/')), data=form, allow_redirects=False)
    location = response.headers['Location']
    if location:
        print(urljoin('https://' + paste_host, location))
    else:
        print('Unexpected response:\n%s' % response.headers)