>>> from httpcore.uri import URI
>>> from httpcore.iri import IRI
>>> iri = IRI(u'http://\N{SNOWMAN}/')
>>> iri
IRI(u'http://\u2603/')
>>> uri = URI(iri)
>>> uri
URI('http://xn--n3h/')
>>> iri.netloc
u'http://\u2603/'
>>> iri.hostname
'\u2603'
>>> iri.port is None
True
>>> iri.path
u'/'
>>> hasattr(iri, '__hash__')
True
>>> iri.replace(port=8000)
IRI(u'http://\u2603:8000/')
>>> iriq = iri.update_query({'foo': u'42'})
>>> iriq
IRI(u'http://\u2603/?foo=42')
>>> iriq.update_query(foo=None)
IRI(u'http://\u2603/')
>>> iriq.query
MultiDict([('foo', '42')])
>>> URI.from_template('http://{domain}/find{?year*}', domain="example.com",
... year=("1965", "2000", "2012"))
URI('http://example.com/find?year=1965&year=2000&year=2012')