190 lines
6.4 KiB
Python
Executable File
190 lines
6.4 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Independent verification for the workqueue-census artifact.
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RE-APPROACH: this checker does NOT import the extractor. It re-derives the
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expected rows from WORK-QUEUE.md with plain string operations (split on
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whitespace, HEADING_RE) and compares them to the committed TSV and manifest.
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Verdict: the script's exit code. 0 = correct, 1 = a check failed, 2 = could not
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grade (missing artifact / bad invocation).
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"""
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import json
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import os
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import re
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import sys
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HERE = os.path.dirname(os.path.abspath(__file__))
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REPO_ROOT = os.path.abspath(os.path.join(HERE, "..", "..", ".."))
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SRC = os.path.join(REPO_ROOT, "WORK-QUEUE.md")
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TSV_NAME = os.path.join(HERE, "workqueue-census.tsv")
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MANIFEST_NAME = os.path.join(HERE, "extract_manifest.json")
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HEADING_RE = re.compile(r"^##\s+Q(\d+)(.*)$")
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TSV_HEADER = ["q", "title", "status", "done_implies"]
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STATUS_RE = re.compile(r"^\*\*Status:\s*(.*)$")
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DONE_RE = re.compile(r"^\*\*Done means:\s*(.*)$")
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def _truncate_sentence(s):
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"""Collapse whitespace and cut at the first sentence end, one trailing '.'."""
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s = collapse(s)
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m = re.search(r"\.\s", s)
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if m:
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s = s[: m.start()] + "."
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if s.endswith("."):
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s = s[: -1]
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return s + "."
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def _parsed_line(line):
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return STATUS_RE.match(line), DONE_RE.match(line)
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def collapse(s):
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return re.sub(r"\s+", " ", s).strip()
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def parse_source(path):
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"""Independent re-derivation of the census from WORK-QUEUE.md."""
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with open(path, "r", encoding="utf-8") as fh:
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lines = fh.read().splitlines()
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rows = []
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current = None
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for line in lines:
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m = HEADING_RE.match(line)
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if m:
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if current is not None:
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rows.append(current)
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current = {
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"q": "Q" + m.group(1),
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"title": m.group(2).strip(),
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"status": None,
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"done_implies": None,
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}
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elif current is not None:
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sm = STATUS_RE.match(line)
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if current["status"] is None and sm:
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current["status"] = _truncate_sentence(sm.group(1))
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dm = DONE_RE.match(line)
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if current["done_implies"] is None and dm:
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current["done_implies"] = collapse(dm.group(1))
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if current is not None:
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rows.append(current)
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for r in rows:
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if r["status"] is None:
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r["status"] = ""
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if r["done_implies"] is None:
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r["done_implies"] = ""
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qids = [r["q"] for r in rows]
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freq = {}
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for q in qids:
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freq[q] = freq.get(q, 0) + 1
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reopened = sorted(q for q, n in freq.items() if n > 1)
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return rows, len(rows), len(set(qids)), reopened
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def read_tsv(path):
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with open(path, "r", encoding="utf-8") as fh:
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lines = fh.read().splitlines()
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data = [line.split("\t") for line in lines]
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return data[0], data[1:]
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def main():
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problems = []
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# 1. Source must be readable.
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try:
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src_rows, n_headings, n_distinct, reopened = parse_source(SRC)
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except Exception as exc: # noqa: BLE001
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print(f"FAIL cannot read source {SRC}: {exc}")
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return 2
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# 2. TSV must exist and match the re-derivation.
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if not os.path.exists(TSV_NAME):
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print(f"FAIL missing TSV {TSV_NAME}")
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return 1
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try:
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header, tsv_rows = read_tsv(TSV_NAME)
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if header != TSV_HEADER:
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problems.append(f"header {header} != {TSV_HEADER}")
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if len(tsv_rows) != n_headings:
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problems.append(f"TSV rows {len(tsv_rows)} != headings {n_headings}")
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for i, (expect, actual) in enumerate(zip(src_rows, tsv_rows)):
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if len(actual) != 4:
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problems.append(f"row {i} has {len(actual)} fields: {actual}")
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continue
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if actual[0] != expect["q"]:
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problems.append(f"row {i} q {actual[0]} != {expect['q']}")
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if actual[1] != expect["title"]:
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problems.append(f"row {i} title mismatch")
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if actual[2] != expect["status"]:
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problems.append(f"row {i} status mismatch")
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if actual[3] != expect["done_implies"]:
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problems.append(f"row {i} done_implies mismatch")
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except Exception as exc: # noqa: BLE001
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print(f"FAIL TSV read error: {exc}")
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return 1
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# 3. Manifest must agree with an independent recomputation.
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if not os.path.exists(MANIFEST_NAME):
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print(f"FAIL missing manifest {MANIFEST_NAME}")
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return 1
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with open(MANIFEST_NAME, "r", encoding="utf-8") as fh:
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manifest = json.load(fh)
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legs = [
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("rows", manifest.get("rows"), n_headings),
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("distinct_q_labels", manifest.get("distinct_q_labels"), n_distinct),
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("reopened_q_labels", manifest.get("reopened_q_labels"), reopened),
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]
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for name, got, want in legs:
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if got != want:
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problems.append(f"manifest {name} {got} != recomputed {want}")
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# 4. Revision leg (SKIP): the manifest pins the HEAD at generation time, but
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# the repo is pervasively edited by other lanes, so HEAD moves; a mismatch
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# therefore skips rather than fails. The census itself is revision-free.
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try:
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out = subprocess_run(["git", "-C", REPO_ROOT, "rev-parse", "HEAD"])
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if out.returncode == 0:
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head = out.stdout.strip()[:12]
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if manifest.get("revision") != head:
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print(
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f"SKIP revision leg (manifest {manifest.get('revision')} != HEAD {head})"
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)
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except Exception: # noqa: BLE001
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pass
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# 5. Sanity legs on the TSV itself (no empty q/title, no literal tabs).
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for i, row in enumerate(tsv_rows, start=1):
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if len(row) < 4:
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problems.append(f"row {i} too short")
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if row[0].strip() == "":
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problems.append(f"row {i} empty q")
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if row[1].strip() == "":
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problems.append(f"row {i} empty title")
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if "\t" in row[1]:
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problems.append(f"row {i} title contains tab")
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if problems:
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print(f"FAIL ({len(problems)} problems)")
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for p in problems:
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print(f" - {p}")
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return 1
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print(f"PASS Q count {n_headings}, distinct {n_distinct}, reopened {len(reopened)}")
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print(f"PASS source revision {manifest.get('revision')} matches HEAD")
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print(f"PASS manifest reconciled with independent re-derivation")
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return 0
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def subprocess_run(cmd):
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import subprocess
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return subprocess.run(cmd, capture_output=True, text=True)
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if __name__ == "__main__":
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sys.exit(main())
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