* Guard RoPE scaling against the transformers v5 buffer blank; honor extended factor
Add a family-agnostic guard that builds each rotary from a scaled config,
blanks its non-persistent buffers (what transformers v5 does on load), runs
loader._fix_rope_inv_freq, and asserts every buffer is restored to its scaled
value (llama3 and longrope). This catches the whole bug class, not just the
one call site, and is validated to fail on the pre-fix repair.
Also make LlamaExtendedRotaryEmbedding read the llama3 factor from the config
instead of hardcoding 8 (wrong for Llama-3.2, factor 32), falling back to the
Llama-3.1 defaults when built without a config.
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Pass config into extended rotary codegen; skip v5 round-trip on transformers 4.x
- patch_llama_rope_scaling now builds the llama3 extended rotary with
config=self.config so it reads the real factor (32 for Llama-3.2) instead
of falling back to 8; the template already references self.config.
- test_v5_blank_repair_roundtrip now skips when loader._NEEDS_ROPE_FIX is
False, since _fix_rope_inv_freq is a no-op on transformers 4.x and cannot
restore the blanked buffers there.
* Raise stream deadlock-guard timeouts from 0.2s to 5.0s in passthrough tests
These asyncio.wait_for guards bound test setup and cross-task event
signaling that complete near-instantly on success; the 0.2s budget is a
latency assertion in disguise and times out under CI scheduling load
(seen on the 3.11 matrix leg while 3.10/3.12/3.13 pass the same commit).
5.0s matches the timeout used elsewhere in the suite and still fails fast
on a real hang. No test relies on the guard expiring.
* Extended rotary reads rope_parameters as well as rope_scaling
transformers v5 stores llama3 scaling under config.rope_parameters and
exposes rope_scaling only as a back-compat property. Reading that property
works on 5.0-5.13 (verified: factor resolves to 32 for Llama-3.2), but a
future release may drop the shim, after which the subclass path would fall
back to factor 8. Read either field so the factor survives the rename.
Adds test_extended_rotary_reads_rope_parameters_v5 (fails on the old
single-field read: rope_parameters-only config resolves to 8, not 32).
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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