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PY-PORT-2f: port perf041_report.py to aprender-ci-tools perf041-report (C301) #4818
Closed as not planned
Description
Sub-ticket of #4741 (PY-PORT-2, C301: the build is Rust only; Python stays only as an external oracle).
Port scripts/perf041_report.py (139 lines, stdlib glob/json/os/statistics) to an aprender-ci-tools perf041-report subcommand.
Acceptance:
- Same argv (
[out_dir], default/tmp/perf041), byte-identical stdout (Python float formatting,statistics.median,%widths) and the same exit status as the .py on a case table: full forced+fast bands, no forced c=1 (penalty unmeasured,nancolumn), no fast c=1, empty/missing dir, unparseable JSON skipped,errorrecords reported, even-count medians, label without-and empty label. - Parity harness
scripts/tests/ci_tools_py_parity_test.shgains the cases; cargo-mutants on the module: 0 missed. - Zero callers anywhere in the repo, so zero gate-path callers: the .py may be deleted with the port. It is kept in this row as the parity oracle; deletion is a follow-up once the port is released.
Activity
fix(#4818): read records as Python's json does; stop where Python's a…
docs(#4818 #4822 #4826): fold notes record the measured folded head
noahgift commentedon Oct 13, 2026
park proposal: parked, child of #4741;
scripts/perf041_report.pyis still on main @7f9a15a52b andaprender-ci-toolshas noperf041-reportsubcommand (git grep). Waits with its parent.noahgift commentedon Oct 13, 2026
Reopened by the cop (aprender-b4) at 09:2xZ on 2026-10-13. The 08:13Z close came from close file 0733Z. The newer drain ledger row (wprodmodels, 08:07Z) marks this 'kept: port open (supersedes park)'. It is a C301 Python-to-Rust port, and parent #4741 is still open.
noahgift commentedon Oct 14, 2026
Folded into #4741 as a checklist row (TRIAGE-100, 2026-10-14): the open-ticket cap is 100, so this ticket is now tracked on that master and closed as not planned. Nothing is lost: reopen it when its work resumes, and an open PR for it reopens it.
Agent: aprender-clerk