fix(nix): Wrap package binary to isolate Python environment#220
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When consumed as a buildInput in another flake's devShell, other Python-based packages (azure-cli, awscli2, pipx) pollute PYTHONPATH with python3.13 site-packages. deepwork's python3.11 interpreter then loads incompatible native extensions (e.g. cryptography built for 3.13), causing "undefined symbol: PyErr_GetRaisedException" on MCP server start. Wrap the deepwork binary with makeWrapper --unset PYTHONPATH to isolate it from the host Python environment. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Pull request overview
Updates the Nix flake package output so deepwork runs with an isolated Python environment when used as a dependency in other flakes’ devShells, preventing incompatible PYTHONPATH leakage from other Python versions.
Changes:
- Wraps the
deepworkexecutable usingmakeWrapper --unset PYTHONPATHto avoid hostPYTHONPATHpollution. - Replaces the package output from a full
mkVirtualEnvresult to a minimal wrapper derivation exposing onlybin/deepwork. - Adds detailed inline documentation explaining the cross-Python native extension failure mode this addresses.
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When consumed as a buildInput in another flake's devShell, other Python-based packages (azure-cli, awscli2, pipx) pollute PYTHONPATH with python3.13 site-packages. deepwork's python3.11 interpreter then loads incompatible native extensions (e.g. cryptography built for 3.13), causing "undefined symbol: PyErr_GetRaisedException" on MCP server start.
Wrap the deepwork binary with makeWrapper --unset PYTHONPATH to isolate it from the host Python environment.