feat: replace pip with uv for 60% faster integration tests #495
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Migrates all package integration tests to use uv for dependency installation. Also resolves a typing-extensions conflict in toolbox-adk. This provides a significant speedup for integration runs and improves dependency resolution stability.
anubhav756
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averikitsch
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Jan 9, 2026
| entrypoint: pip | ||
| - '-c' | ||
| - | | ||
| pip install uv |
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do we need to install uv again or just reactive the venv?
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Overview
This PR migrates our integration test pipelines from
piptouv, reducing installation time by ~60% and significantly improving dependency resolution stability.Changes
integration.cloudbuild.yamlfor all packages (toolbox-core,toolbox-adk,toolbox-langchain,toolbox-llamaindex) to useuvand persistent virtual environments.typing-extensions>=4.12.2intoolbox-adkto resolve a conflict masked bypipbut caught byuv's stricter resolver.Note
This PR does not only speeds up CI but also provides the resolution capabilities needed for upcoming Python 3.14 support (#494).
Problem
There were 2 problems that occur with adding Python 3.14 without
uv:pipeventually backtracks to ancient versions of libraries. These older versions contain C-extensions that are fundamentally incompatible with the Python 3.14 C API, causing build failures:Solution
uv's resolver is significantly faster and correctly navigates the dependency graph without excessive backtracking, essentially forcing the resolver to pick newer, compatible source distributions instead of falling back to broken legacy versions. This prevents the build from hanging and ensures we install versions ofpydantic-core(2.41+) that actually compile on Python 3.14.