#!/usr/bin/python3

from utils import *
from download_page import download

# portable code to get filename
import os
platform = os.path.basename(__file__)
if platform.endswith(".py"):
	platform = platform[:(-3)]

def extract_from_url (url, verbosity):
    # split into domain and path
    index = url.find("/",url.find("//")+2)
    domain = url[:index]
    path = url[index:]

    # get username
    index = path.find("/",2)
    if index > -1:
        username = username = path[1:index]
    else:
        username = path[1:]

    if len(username) > 0 and username[0] == "@":
        return domain + "/$/rss/" + username

def extract (url, page=None, network=False, verbosity=3, args={}):
	feed = extract_from_url (url, verbosity)
	if not feed is None:
		return feed