[HTTPXodus] migrate httpx to httpx2 (hard switch; closes #2154) - #2155
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Use the actively maintained httpx2 fork (Pydantic Services) when available, falling back to httpx. setup.cfg updated; 22 source files migrated with try/except dual-import. Public API unchanged. Refs: weaviate#2154
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Remove all try/except ImportError dual-import blocks (21 modules); direct httpx2 imports everywhere. setup.cfg: drop httpx, httpx2>=2.12.0 unconditional (python_requires is already >=3.10). Refs: weaviate#2154
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Closes #2154
What this PR does
Complete hard switch from
httpxtohttpx2:try/except ImportErrordual-import blocks — directhttpx2imports everywhere (connect/v4.py,util.py,embedded.py,exceptions.py,client_executor.py, etc.)setup.cfg: dropshttpx>=0.26.0,<0.29.0;httpx2>=2.12.0unconditional (python_requiresis already>=3.10, matching httpx2's floor)Test results
test/, excludingtest/collectionwhich needs a live server): 91 passed with httpx2 2.12.0 in an isolated envNotes for reviewer
httpx2verifies TLS against the OS trust store (viatruststore) instead of the bundledcertifi. Deployments that relied on certifi's CA bundle (minimal containers, corporate proxies) may needSSL_CERT_FILE/SSL_CERT_DIRafter the switch. Worth a line in the changelog.Happy to revise per review — and equally happy to close this PR if the maintainers would rather wait for
httpx1.0 stable. 🙏