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gh-160027: Use urlsplit() instead of urlparse() in http.cookiejar.request_host() - #160680
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request_host() only needs the netloc, which is the same for both, and urlsplit() is cached while urlparse() is not. It is called once for every stored domain on each CookieJar.add_cookie_header() call, which is now about 2.5x faster. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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request_host()only needs thenetloc, which is the same forurlsplitandurlparse. urlsplit() is cached while urlparse() is not and faster.Benchmarks:
(benchmark script from the corresponding issue)
With this change the code is still linear in the number of stored domains.