import rdflib, urllib2
from BeautifulSoup import BeautifulSoup

def openidcheck(url, s):
  global ts
  d = BeautifulSoup(urllib2.urlopen(url))
  delegates = d.findAll("link", {"rel": "openid.delegate"})
  if len(delegates) is not 0:
    ts.add((rdflib.URIRef(s), rdflib.URIRef("http://xmlns.com/foaf/0.1/openid"), rdflib.URIRef(url)))
  for i in delegates:
    ts.add((rdflib.URIRef(s), rdflib.URIRef("http://xmlns.com/foaf/0.1/openid"), rdflib.URIRef(str(i['href']))))    

ts = rdflib.ConjunctiveGraph()
ts.parse("http://tommorris.org/foaf", "xml")
hplist = ts.query("SELECT DISTINCT ?s ?url WHERE { <http://tommorris.org/foaf#me> <http://xmlns.com/foaf/0.1/knows> ?s . ?s <http://xmlns.com/foaf/0.1/homepage> ?url . }")
wllist = ts.query("SELECT DISTINCT ?s ?url WHERE { <http://tommorris.org/foaf#me> <http://xmlns.com/foaf/0.1/knows> ?s . ?s <http://xmlns.com/foaf/0.1/weblog> ?url . }")
for s, url in hplist:
  openidcheck(str(url), str(s))
for s, url in wllist:
  openidcheck(str(url), str(s))

print ts.serialize()