gh-42550: Add 'Expect: 100-Continue' support to httplib #133275
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Previously, http.client would always send content body immediately and ignore any 100 responses. This change makes HTTPClient.request() wait for a `Continue` response if the `Expect: 100-Continue` header is set, and adds a parameter to HTTPClient.getresponse() that will cause it to return 100 responses instead of eating them.
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Previously,
http.clientwould always send content body immediately and ignore any 100 responses. This change makesHTTPClient.request()wait for a Continue response if theExpect: 100-Continueheader is set, and adds a parameter toHTTPClient.getresponse()that will cause it to return 100 responses instead of eating them.#42550
https://bugs.python.org/issue1346874
📚 Documentation preview 📚: https://cpython-previews--133275.org.readthedocs.build/