url.py

#! /usr/bin/env python3
from bs4 import BeautifulSoup
from urllib.request import urlopen
url="http://github.com/AlbertFaust?tab=repositories"

def recursiveURL(url,depth):
    print(url)
    if depth == 5 or url is None:
        return url
    else:
        page=urlopen(url)
        soup=BeautifulSoup(page.read())
        new = soup.find('a')
        if len(new) == 0:
            return url
        else:
            return url, recursiveURL(new, depth+1)
def links(url):
    page=urlopen(url)
    soup=BeautifulSoup(page.read())
    link=soup.find_all('a')
    for i in link:
        link.append(recursiveURL(i,0))
        return link

recursiveURL(url,1)
print(links(url))

''' errors
http://github.com/AlbertFaust?tab=repositories
<a class="accessibility-aid js-skip-to-content" href="#start-of-content" tabindex="1">Skip to content</a>
Traceback (most recent call last):
  File "URLScape.py", line 26, in <module>
    recursiveURL(url,1)
  File "URLScape.py", line 17, in recursiveURL
    return url, recursiveURL(new, depth+1)
  File "URLScape.py", line 11, in recursiveURL
    page=urlopen(url)
  File "/usr/lib/python3.4/urllib/request.py", line 161, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.4/urllib/request.py", line 458, in open
    meth_name = protocol+"_request"
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
'''