unsc-corpus / scripts /validate_corpus.py
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#!/usr/bin/env python3
import csv, json, os, re, sys, time
from concurrent.futures import ThreadPoolExecutor
ROOT = os.environ.get("UNSC_CORPUS_ROOT", ".")
FAMILIES = {
"resolutions": f"{ROOT}/resolutions",
"presidential_statements": f"{ROOT}/presidential_statements",
"verbatim_debates": f"{ROOT}/verbatim_debates",
"documents": (f"{ROOT}/documents", f"{ROOT}/documents/pdfs"),
}
report = []
def w(s=""):
report.append(s); print(s, flush=True)
def safe_name(s):
return re.sub(r"[^A-Za-z0-9.]+", "_", s).strip("_")
def check_pdf(path):
try:
sz = os.path.getsize(path)
except OSError:
return "missing"
if sz < 1000:
return "empty"
try:
with open(path, "rb") as f:
head = f.read(5)
if head[:4] != b"%PDF":
return "not_pdf"
f.seek(max(0, sz - 2048))
tail = f.read()
if b"%%EOF" not in tail:
return "truncated"
except OSError:
return "missing"
return "ok"
def has_en(rec):
return bool((rec.get("files") or {}).get("EN"))
def validate_family(fam, meta_dir, pdf_dir):
w(f"\n### {fam}")
jl = f"{meta_dir}/metadata/records.jsonl"
recs, bad_json = [], 0
for i, line in enumerate(open(jl)):
try:
recs.append(json.loads(line))
except Exception:
bad_json += 1
ids = [r.get("record_id") for r in recs]
n_dupe = len(ids) - len(set(ids))
n_nosym = sum(1 for r in recs if not r.get("symbol"))
w(f"- metadata: {len(recs):,} records | bad_json={bad_json} | "
f"dup_ids={n_dupe} | null_symbol={n_nosym}")
with_en = [r for r in recs if r.get("symbol") and has_en(r)]
expected_paths = {}
for r in recs:
base = safe_name(r.get("symbol") or r["record_id"])
expected_paths[f"{base}-EN.pdf"] = r
def one(item):
fn, r = item
return fn, check_pdf(os.path.join(pdf_dir, fn))
t0 = time.time()
results = {}
with ThreadPoolExecutor(max_workers=12) as ex:
for fn, status in ex.map(one, expected_paths.items()):
results[fn] = status
from collections import Counter
cnt = Counter(results.values())
present = sum(1 for s in results.values() if s == "ok")
corrupt = {fn: s for fn, s in results.items() if s in ("empty", "not_pdf", "truncated")}
absent = [fn for fn, s in results.items() if s == "missing"]
w(f"- pdfs: present_ok={present:,} | corrupt={len(corrupt)} "
f"({dict((k,v) for k,v in cnt.items() if k not in ('ok','missing'))}) | "
f"absent={len(absent):,} [{time.time()-t0:.0f}s]")
if corrupt:
w(f" CORRUPT FILES: {list(corrupt.items())[:20]}")
disk = set(); dsidecars = 0
try:
with os.scandir(pdf_dir) as it:
for e in it:
if e.name.startswith("._"):
dsidecars += 1
continue
if e.name.endswith("-EN.pdf"):
disk.add(e.name)
except FileNotFoundError:
pass
orphans = disk - set(expected_paths.keys())
parts = [n for n in (os.listdir(pdf_dir) if os.path.isdir(pdf_dir) else [])
if n.endswith(".part")]
if dsidecars:
w(f"- macOS ._ sidecar files present: {dsidecars:,} (cosmetic; remove with dot_clean)")
w(f"- orphans (files w/o record)={len(orphans)} | .part_files={len(parts)}")
if orphans:
w(f" ORPHANS: {list(orphans)[:10]}")
return {"records": len(recs), "present": present, "corrupt": len(corrupt),
"absent": len(absent), "orphans": len(orphans), "bad_json": bad_json,
"dup_ids": n_dupe, "with_en": len(with_en)}
def validate_voting():
w("\n### voting_data")
vdir = f"{ROOT}/voting_data"
rc = f"{vdir}/roll_call.csv"
from collections import Counter
vc = Counter(); rows = 0; bad = 0; recids = set()
with open(rc) as f:
r = csv.DictReader(f)
for row in r:
rows += 1
recids.add(row["record_id"])
v = row["vote"]
vc[v] += 1
if v not in ("Y", "N", "A", "X", ""):
bad += 1
w(f"- roll_call.csv: {rows:,} rows | distinct votes={len(recids):,} | "
f"vote_codes={dict(vc)} (Y/N/A/X=non-voting) | invalid={bad}")
sm = f"{vdir}/summary.csv"
bad_tally = 0; srows = 0
with open(sm) as f:
for row in csv.DictReader(f):
srows += 1
try:
y = int(row["yes"] or 0); n = int(row["no"] or 0)
a = int(row["abstain"] or 0); tot = int(row["total"] or 0)
if tot and (y + n + a) > tot:
bad_tally += 1
except ValueError:
pass
w(f"- summary.csv: {srows:,} rows | inconsistent_tally={bad_tally}")
def main():
w("# UNSC Corpus — Validation Report")
w(f"\nGenerated {time.strftime('%Y-%m-%d %H:%M')}.")
w("\n## Per-family integrity")
totals = {}
for fam, loc in FAMILIES.items():
meta_dir, pdf_dir = (loc, f"{loc}/pdfs") if isinstance(loc, str) else loc
totals[fam] = validate_family(fam, meta_dir, pdf_dir)
validate_voting()
w("\n## Coverage reconciliation")
gap = f"{ROOT}/documents/english_coverage_final.tsv"
ngap = sum(1 for _ in open(gap)) - 1 if os.path.exists(gap) else -1
tot_present = sum(t["present"] for t in totals.values())
tot_corrupt = sum(t["corrupt"] for t in totals.values())
tot_orphan = sum(t["orphans"] for t in totals.values())
w(f"- total valid English PDFs: {tot_present:,}")
w(f"- total corrupt: {tot_corrupt} | total orphans: {tot_orphan}")
w(f"- enumerated no-English gap list rows: {ngap:,}")
verdict = "PASS" if (tot_corrupt == 0 and tot_orphan == 0
and all(t["bad_json"] == 0 and t["dup_ids"] == 0
for t in totals.values())) else "REVIEW"
w(f"\n## Verdict: {verdict}")
open(f"{ROOT}/VALIDATION.md", "w").write("\n".join(report))
print(f"\nwrote {ROOT}/VALIDATION.md")
if __name__ == "__main__":
main()