def addtodb(page, lookupurl, classes):
'''
Add page to MongoDB
:param page: info about page
:type page: dict
:param lookupurl: URL of parent site
:type lookupurl: str
:param classes: result of classification for given page
:type classes: array of ints
'''
parent = Site.objects(url=lookupurl).first()
nov = Page(url=page['url'], btext=page['btext'])
if parent:
nov.parent = parent
for c in classes:
label = Label.objects(id=c).first()
nov.label_model.append(label)
print "label added"
nov.save()
add_to_lookup(page['url'])
print "Page added to db"
