fix(flex): keep execution internals replaceable - #73
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Exclude the private bridge from whole-program persistence and rebuild it from canonical source after loading. Clarify interpreter and predictor-budget contracts so future source lowering and alternate CodeInterpreter implementations remain compatible.
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| def __setstate__(self, state: dict[str, Any]) -> None: | ||
| state.pop("_bridge", None) # Ignore bridges persisted by prerelease versions. |
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Do we need this? There are no old Flex pickles out there anyway
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Summary
BridgeRuntimefrom whole-program pickles and rebuild it from canonicalmodule_srcafter loadinginterpreter_factorycreates sandbox sessions while Flex may validate/lower source and install its guest shimmax_predictor_callsaccounting unit and interpreter-dependent Python/library availabilityCodeInterpreter.toolswith the non-string JSON-compatible values Flex already bridgesThis draft is based on an exact mirror of Michael’s
michaelisaac-dev/dspy:feature/dspy-flexhead atb27168a(stanfordnlp/dspy#10047). GitHub’s integration does not have PR-write access to Michael’s fork, so the clean stacked diff is hosted incmpnd-ai/dspyfor review and can be applied directly to Michael’s branch.The change preserves
interpreter_factoryas the public execution hook without adding a premature backend/runtime abstraction, while avoiding persistence and documentation contracts that would block a later Monty-compatible source compiler and shim.Verification
172 passed, 165 skipped(Deno is not installed in the orb)CodeInterpreter, GEPA Flex integration, and Flex testsgit diff --checkpassedPrepared by Isaac Miller.