authreq, host, req, headers) |
host is either an authority (e.g. "python.org"
) or a URL
containing an authority component (e.g. "http://python.org/"
).
In either case, the authority must not contain a userinfo component
(so, "python.org"
and "python.org:80"
are fine,
"joe:password@python.org"
is not).
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