Phase 6: Migrate psycopg2-binary to psycopg3#9328
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camd wants to merge 2 commits intocamd/back-end-package-upgrade-phase-5from
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Phase 6: Migrate psycopg2-binary to psycopg3#9328camd wants to merge 2 commits intocamd/back-end-package-upgrade-phase-5from
camd wants to merge 2 commits intocamd/back-end-package-upgrade-phase-5from
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- Update Docker base images to python:3.14 - Update CircleCI to cimg/python:3.14-node - Update tox envlist to py314 - Upgrade C extension packages for cp314 wheels: - numpy 2.2.6 → 2.4.3 - scipy 1.15.1 → 1.17.1 - contourpy 1.3.2 → 1.3.3 - pandas 2.2.3 → 2.3.3 - zstandard 0.23.0 → 0.25.0 - pyarrow 19.0.0 → 23.0.1 - Fix multiprocessing.Pool deadlock: Python 3.14 defaults to 'forkserver' start method which deadlocks inside Django; explicitly use 'fork' context in perfcompare API - Silence drf-spectacular E001 check (typing._UnionGenericAlias deprecation on Python 3.14) - Add pytest warning filters for Python 3.14 deprecations - Note: ruff target-version stays at py313 (ruff doesn't support py314 yet) Co-Authored-By: Claude Opus 4.6 <[email protected]>
Django 6.0 natively supports psycopg3. The codebase uses Django ORM exclusively with no direct psycopg2 imports, making this a clean swap. psycopg3 is actively maintained and offers better async support, connection pooling, and Python 3.14 compatibility. Co-Authored-By: Claude Opus 4.6 <[email protected]>
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Summary
psycopg2-binary==2.9.11topsycopg[binary]==3.3.3(psycopg3)Stacked on
Test plan
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