Snapshot the launchers that build their own command line - #1906
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requested review from
Shi-Dong,
Zhichenzzz,
guapisolo,
jybsuper,
maocheng23 and
yueming-yuan
as code owners
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Squashed from: - Fix PYTHONBUFFERED typo in launch scripts and command utils - Fix the same typo in the NPU docker patch - Unbuffer the ray workers, not only the submitting client - Unbuffer the launchers that submit ray jobs of their own
Squashed from: - Add a shell launch script test harness - Make the shell harness report stderr and emit shim stdout correctly - Drop the deprecated huggingface-cli shim - Exercise the shim behaviours the single real script never reaches - Poll the ray cluster the way the real scripts do in the synthetic script - Group the harness tests by what they exercise - Make the harness record commands in fork order and refuse to be unfrozen
…r paths Squashed from: - Fix launch scripts whose model config path could never resolve - Fix two launcher entrypoints that raised before issuing any command - Cover the two regressions this op fixes
… scripts Squashed from: - Derive the miles checkout location instead of hardcoding it - Quote the derived train.py path and pin the invariant - Find the shell scripts without shelling out to git
Squashed from: - Snapshot the external commands of every shell launch script - Apply isort and black to the shell launch script test - Intercept ps so the recordings do not read the host process list - Harden the harness against host state the rollout exposed - Share the snapshot compare-or-update step and stop running each script twice - Keep the generated snapshots under one obvious tests/snapshots tree - Group the launch script tests by subject - Name the shell launcher test after what it covers - Assert the recorded order for every script, including the concurrent ones - Regenerate the concurrent launcher's snapshot in its true command order
ExecuteTrainConfig.num_nodes read SLURM_JOB_NUM_NODES into a class-level
default, so the value was fixed when command_utils was imported. A test that
wants a deterministic launch command cannot undo that with monkeypatch, and a
process that sets the variable after import does not see it either.
A default_factory reads it at construction instead, but dataclass_cli copied
the parameter's declared default straight into the click signature, and for a
factory field that default is dataclasses' _HAS_DEFAULT_FACTORY sentinel,
which click then type-casts:
TypeError: int() argument must be ... not '_HAS_DEFAULT_FACTORY_CLASS'
Every scripts/run_*.py exposes this config through that bridge. Resolve the
factory when the signature is built, the way the argparse bridge already does.
…ript Squashed from: - Snapshot the commands built by every python launch script - Apply isort and black to the python launch script test - Reuse the shell harness sanitizer and snapshot helper - Move the python launcher snapshots into the shared tree too - Share the command recorder with the command_utils tests - Freeze the launcher environment that the snapshots actually depend on - Regenerate the launcher snapshots for the ray runtime unbuffering - Snapshot the config files a launcher generates, not just its commands - Record the generated precision config in the deepseek-v4 snapshots
Squashed from: - Cover the public surface of command_utils with unit tests - Group the command_utils tests by the function under test - Close the gaps that let the command_utils tests pass on broken behaviour - Keep the command_utils tests in one file
Squashed from: - Rename exec_command by the resource its command needs - Point the nvlink and single-node conversion tests at the gpu helper - Re-record the multi-node label the rename changed - Rename the last two exec_command call sites the split missed - Re-record the multi-node label in the rsync_simple test too
Squashed from: - Move the shell exec helpers next to their only consumers - Carry NodeAffinitySchedulingStrategy along with the moved exec helpers - Stop patching command helpers on a module that no longer has them
…yloads Squashed from: - Accept inline base64 payloads for the config file arguments - Pass config documents inline instead of through a temp file - Make the inline config payload reach every consumer and fail loudly - Apply pre-commit import ordering - Regenerate the deepseek-v4 snapshots for the inline config payload
Squashed from: - Snapshot the launchers that build their own command line - Record what the self-executing launchers submit today - Freeze the pid these launchers embed in their cleanup command
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Part of #1837