def __new__(cls, value, base=None):
if hasattr(value, 'get_rdf_url'):
url = value.get_rdf_url()
else:
url = value.get_absolute_url()
rt = URIRef.__new__(cls, url, base=base)
rt.instance = value
return rt
def __new__(cls, value, base=None, source=None):
rt = URIRef.__new__(cls, value, base)
rt._bind_source = source
rt._result_ref = None
return rt
def __new__(cls, value, base=None):
return URIRef.__new__(cls, value, base)
