Create a Photo object from photo data.

def _parse_photo(photo):
    """Create a Photo object from photo data."""
    owner = User(photo.owner)
    title = photo.title
    ispublic = photo.ispublic
    isfriend = photo.isfriend
    isfamily = photo.isfamily
    secret = photo.secret
    server = photo.server
    p = Photo(photo.id, owner=owner, title=title, ispublic=ispublic,\
              isfriend=isfriend, isfamily=isfamily, secret=secret, \
              server=server)        
    return p