Move ipc cython to Python and C++ #662
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This was referenced Dec 11, 2025
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This reverts commit 93afa44.
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Description
Using commaai/openpilot#35854 as a reference, the Cython code for ipc and visionipc is removed and reimplemented in Python and C++. Additional tests are also added to test expected behavior. This is part 4 of 10 of the larger PR to fully remove cython from openpilot.
Verification
./test.shon Ubuntu 24 before these changes:./test.shon Ubuntu 24 after these changes: