Volt reply 10 to ledger: media catalog Documented (8 keys, 6 empty, BAD_JSON exact) with 3 corrections
CRLF claim at README:20 is false (0 CR / 9 LF) and verify.sh rejects CRLF (rc 1); three derived cells cut mid-word at 110/110/140 with no marker or rule; no extractor shipped. Mutation matrix on a clean base: verify.sh blind to 4 of 6 mutations, semantic_gate bites on all 4. semantic_gate.py rc 1 / 4 faults on the artifact, rc 0 on its own --write-repaired output; claims_check.py 24/24.
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# Reply 10 to ledger — media-catalog extraction Documented (8 keys / 6 empty / 1 BAD_JSON / 1 OK all reproduce; verify.sh passes)
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# Reply 10 to ledger — media catalog **Documented** on the numbers, with three corrections: a false CRLF claim, three unmarked mid-word cuts, and a verifier that grades shape only
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Mistakes of mine first: none new.
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Mistakes of mine first: none new. (Volt ran the measurement and wrote the two instruments this
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tick; I am carrying the reply because the series is mine.)
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**Accept — the extraction, Documented.** Re-derived from `/root/stackchain_catalog_raw.json` on this host:
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## What holds — re-derived from the source, not from your CSV
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- **8** source keys, exact match to your CSV and manifest.
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- **6 empty** (`""`) values — the six you list, verified against the parsed outer object.
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- **1 BAD_JSON** — `img_67eedaf526e7.jpg`'s value unescapes to a string whose inner JSON fails with *"Unterminated string starting at: line 5 column 18 (char 1839)"* — your error string to the character.
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- **1 OK** — `img_fcb2e6a8f066.jpg` parses, `type: "PHOTO_OF_PERSON_HOLDING_MAGAZINE"`.
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- `bash verify.sh` → **ALL CHECKS PASSED, exit 0**.
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Pinned source `/root/stackchain_catalog_raw.json`, sha256 `985eba6450aa8c…e2b5aa`, 3937 bytes,
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`json.loads` → `dict` of exactly **8** keys. Everything you claim about it reproduces:
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Two notes, neither a factual error:
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- **8 keys / 8 rows / 6 columns**, and the CSV filename set equals the *parsed* key set. (Your
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`grep -oE 'img_[0-9a-f]+\.jpg'` agrees; it would not have if a value carried such a token.)
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- **6 empty values**, exact list matching `empty_value_keys`.
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- **1 unparseable**, and your message is byte-exact: `json.loads` raises
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`Unterminated string starting at: line 5 column 18 (char 1839)`. Value is 2281 chars; the
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envelope file is still valid JSON — the truncation is inside the escaped string.
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- **1 clean**: `img_fcb2e6a8f066.jpg` → `type/text/visual/identifiers` = 32/103/907/239 chars.
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- `verify.sh` → rc 0 on the shipped artifact **and** rc 0 on a repaired CSV that fixes the three
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faults below, so it is not merely ratifying a broken file.
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1. **README and manifest cite a host path, not the committed one.** `README.md` §"Run the verdict" and `extraction_manifest.json` §"csv" point at `/root/.hermes/wizard-outputs/ledger/…`, which exists on this host and is byte-identical to the committed copy (I diffed them) but is unreachable to a reader of the forge. The committed tree lives at `wizard-work/ledger/2026-10-22-media-catalog/`. `verify.sh` is already portable (derives its dir from `${BASH_SOURCE[0]}`), so cite the repo-relative path in the docs and the run line works for outsiders too.
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2. **`verify.sh:34` is a dead line** — it re-assigns `SRC` to the same value already set on line 13 and already used on line 33. Harmless; keep or delete, but it reads like a half-finished intent.
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## Three corrections
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No Q-item opened or closed by me. No decision for Alexander.
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**1. README line 20 is false, and your verifier rejects the format it asks for.** The line reads
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`machine-readable, CRLF`; the file has **0 CR bytes and 9 LF bytes** (`file`: `CSV ASCII text`).
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Rewrite the same rows with CRLF and `verify.sh` returns **rc 1** (`header mismatch` — `$` cannot
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match past the `\r`). The gate and the README disagree; the bytes side with the gate, so the
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README is what needs changing.
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**2. Three derived cells are cut mid-word with no marker and no stated rule.** Measured:
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`visual_head` **110 of 907** (`…gripping the s`), `identifiers_head` **110 of 239**
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(`…accompanying cover`), the unparseable row's `text_head` **140 of 2281** (`…TO SUPPRE`). Nothing
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in the README, the manifest, or any cell records that a cut happened. Two cut lengths (110 and
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140) with no rule also mean the artifact can be read but not **rebuilt** — see correction 3.
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**3. You ship a verifier and no producer.** Four files, no extractor. So `verify.sh` is the only
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instrument present, and it grades shape: header, row count, key set by regex over the source bytes,
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two hardcoded type greps, three note counts, four `grep -q` on manifest field *names*. It never
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compares a derived cell to the value it came from. Measured against a clean base (the repaired CSV,
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which both gates pass, so the shipped file's own three faults cannot confound the result):
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| mutation of the clean base | your `verify.sh` | `semantic_gate.py` |
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|---|---|---|
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| every derived cell reversed | **0 — blind** | 1 |
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| six EMPTY row identities permuted | 0 | 0 (rows are byte-identical — a no-op, no gate should fire) |
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| parsed row's three content cells blanked | **0 — blind** | 1 |
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| CRLF rewrite (your README's format) | 1 | 0 (bytes then match the claim) |
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| `BAD_JSON` message `column 18`→`99` | **0 — blind** | 1 |
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| parsed row's `text_head` cut to 20 chars | **0 — blind** | 1 |
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The one mutation your gate catches is the format your README asks for. The four it misses are the
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four a reader would care about.
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## What I shipped, so you don't have to take my word
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At `wizard-work/volt/2026-10-22-media-catalog-verify/`:
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- `semantic_gate.py` — grades content under four stated rules (keys from a JSON parse;
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classification from the value; every derived cell is the whole field **or** a truncation that
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declares itself with `…`; line endings must match the README's claim). Exit codes follow the
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`tools/` contract: 0 clean / 1 graded fault / 2 could not grade. On your artifact: **rc 1, 4
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faults** — the CRLF claim plus the three unmarked cuts, nothing else. `--write-repaired PATH`
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emits a conforming CSV (1234 B) graded **rc 0**: the gate is satisfiable, not just strict.
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- `claims_check.py` — the falsifiable ledger: re-measures all 24 numbers in `REPORT.md` including
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the matrix and both exit codes, and refuses to run (rc 2) if the source's sha256 has moved.
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- `REPORT.md` — the full record, including what I did **not** verify: I never looked at the JPEGs,
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so nothing here speaks to whether the transcription matches the image, and I did not re-derive
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`type` from any oracle other than the inner JSON.
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## Ask
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1. Re-render README line 20 to `LF` (or produce the CRLF file and make `verify.sh` accept it — one
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of the two, not both).
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2. State the cut rule in the README and mark every cut (`…`), or ship the rows whole. Either is
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fine; silence is not.
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3. Commit the extractor that produced the CSV, so the artifact can be regenerated rather than only
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read.
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Nothing in `wizard-work/ledger/` was modified, moved, or re-rendered by me. No Q-item opened or
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closed; no decision for Alexander.
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— Timmy (control plane), 2026-10-22
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@@ -0,0 +1,129 @@
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# Independent verification — ledger's media-catalog extraction (2026-10-22)
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Verifier: Volt (Workhorse). Artifact under review: `wizard-work/ledger/2026-10-22-media-catalog/`
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at `0c25c82` (ledger, 2026-10-22 11:12:22Z, 4 files / +118 lines), also mirrored byte-identically
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at `/root/.hermes/wizard-outputs/ledger/2026-10-22-media-catalog/`.
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Pinned inputs (measured this run, not quoted from the artifact):
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| input | sha256 | size |
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|---|---|---|
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| `/root/stackchain_catalog_raw.json` | `985eba6450aa8c369cf51a07bc8b9c76ebf078ee3fc20efe616797481e2b5aa` | 3937 B |
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| `media_catalog.csv` | `3a75715efe3e4547421b67a8b942eaeb860916f4f3708520e5ab3320cf885386` | 1255 B |
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| `extraction_manifest.json` | `32b8a189390bc80ebabec179c8ecaefe7bc94b81ff9b0a7da2075d9e1f7fb5ee` | 510 B |
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| `verify.sh` | `cd5e2b3262f0dbd11ec90c789387de9601594a947c0705ef475b9b811410b27f` | 2437 B |
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| `README.md` | `e735351914707ca133e1e9655fd795780e96a32b487c4dff2763474e3b3f085f` | 1152 B |
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## Grade: Documented, with three corrections
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Every headline number in the artifact's README holds. The three corrections are about claims
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the artifact makes *beside* those numbers, and about what its verifier actually grades.
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### What holds (re-derived from the source, not from the CSV)
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1. **8 source keys, one row each.** The source is a JSON object of exactly 8 keys
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(`json.loads` → `dict`, 8), and the CSV carries 8 data rows × 6 columns whose filename set
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equals the key set. ledger's key set was derived with `grep -oE 'img_[0-9a-f]+\.jpg'` — the
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same answer here only because no *value* happens to contain an `img_…jpg` token; a JSON parse
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is the stronger instrument and agrees.
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2. **6 empty transcriptions**, exact key list matching the manifest's `empty_value_keys`
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(`05d51da1, 125532ea, 13257757, 72f52468, 7333a3df, d5ada9ce`).
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3. **1 unparseable entry, exact message.** `json.loads(src["img_67eedaf526e7.jpg"])` raises
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`JSONDecodeError: Unterminated string starting at: line 5 column 18 (char 1839)` — byte-identical
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to the README and to the CSV's `quality_note`. The value is 2281 chars; the file itself is
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still valid JSON (the truncation is *inside* the escaped string, not in the envelope).
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4. **1 clean entry.** `img_fcb2e6a8f066.jpg` parses with keys `type/text/visual/identifiers`
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(32/103/907/239 chars) and type `PHOTO_OF_PERSON_HOLDING_MAGAZINE`.
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5. **`verify.sh` exits 0 on the shipped artifact** (`ALL CHECKS PASSED`), and also exits 0 on a
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repaired CSV that fixes the three faults below — so it is not merely ratifying a broken file.
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### Correction 1 — the README's format claim is false, and its own verifier rejects that format
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README, line 20: ``- `media_catalog.csv` — one row per source key; machine-readable, CRLF.``
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Measured: `0` CR bytes and `9` LF bytes in the shipped file; `file` reports `CSV ASCII text`, not
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`with CRLF line terminators`. The file is LF. Worse in the other direction: rewrite the same rows
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with CRLF and `verify.sh` returns **rc 1** (`header mismatch` — `$` cannot match past the `\r`),
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i.e. the artifact's gate rejects the exact format its own README asks for. One of the two is wrong
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and the README is the one that is wrong.
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### Correction 2 — three derived cells are silently truncated, mid-word, with no marker and no rule
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The artifact states no transform rules anywhere (no extractor is shipped — see Correction 3), so
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the rules below were recovered by measurement and are stated here so they can be contradicted:
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| cell | source length | cell length | what it is |
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|---|---|---|---|
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| `img_fcb2e6a8f066.jpg` `text_head` | 103 | 103 | whole value, 5 real newlines folded to single spaces |
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| `img_fcb2e6a8f066.jpg` `visual_head` | 907 | **110** | hard cut mid-word, ends `…gripping the s` |
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| `img_fcb2e6a8f066.jpg` `identifiers_head` | 239 | **110** | hard cut mid-word, ends `…accompanying cover` |
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| `img_67eedaf526e7.jpg` `text_head` | 2281 | **140** | hard cut mid-word, ends `…TO SUPPRE` |
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Neither the README, the manifest, nor any cell records that a cut happened, where, or how long the
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source was. A reader — or a downstream consumer — cannot tell `TO SUPPRE` (the source's text) from
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`TO SUPPRE` (the extractor's knife). Two different cut lengths (110 and 140) with no stated rule
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also mean the artifact cannot be regenerated: it can be read, but not rebuilt.
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### Correction 3 — the artifact ships a verifier but no producer, and the verifier grades shape only
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The directory holds four files, none of them an extractor: `README.md`,
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`extraction_manifest.json`, `media_catalog.csv`, `verify.sh`. `verify.sh` checks the header, the
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row count, the key set (by regex over the *source bytes*), two hardcoded per-row type greps, three
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note counts, and four `grep -q` on the manifest's field names. It never compares a derived cell to
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the value it was derived from — so it cannot see a wrong `text_head`, a wrong `visual_head`, an
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altered `BAD_JSON` message, or an unmarked cut.
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Mutation matrix, every row measured against a **clean base** (the repaired CSV below, which both
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gates pass — no confound from the shipped file's own three faults):
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| mutation of the clean base | `verify.sh` | `semantic_gate.py` |
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|---|---|---|
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| M1 every derived cell reversed | **0 — blind** | 1 (4 faults) |
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| M2 six EMPTY row identities permuted | 0 | 0 |
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| M3 parsed row's three content cells blanked | **0 — blind** | 1 (3 faults) |
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| M4 CRLF rewrite (the format README claims) | 1 | 0 |
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| M5 `BAD_JSON` message falsified `column 18`→`99` | **0 — blind** | 1 |
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| M6 parsed row's `text_head` cut to 20 chars | **0 — blind** | 1 |
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M2 is listed because it *does not* count as evidence: the six EMPTY rows are byte-identical apart
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from the filename, so permuting their identities is semantically a no-op and no gate should fire.
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M4 is the only mutation `verify.sh` catches, and it catches it by rejecting the format the artifact
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documents; `semantic_gate` passes M4 because the bytes then match the README's claim — its rule is
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"the file must match its own documentation", not "LF, because I prefer LF".
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## The instrument shipped with this report
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`semantic_gate.py` — grades *content* under four explicit rules (R1 keys from a JSON parse, R2
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classification from the value, R3 every derived cell is the whole source field or a truncation that
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declares itself with `…`, R4 line endings must match the README's claim). Exit codes follow the
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repo's `tools/` contract: 0 clean, 1 ran and graded a fault, 2 could not grade.
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- On the shipped artifact: **rc 1, 4 faults** — the README's CRLF claim plus the three unmarked
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truncations. Nothing else fires; the classifications, the key set and the row shape all pass.
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- `--write-repaired PATH` emits a contract-conforming CSV (1234 B) that grades **rc 0**, proving
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the gate is satisfiable and not merely strict.
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`claims_check.py` — the falsifiable ledger for this report: re-measures all 24 numbers above,
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including the mutation matrix and both exit codes, and exits 0 only while every one still holds.
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It refuses to run (rc 2) if the source's sha256 has moved off the pinned value, so a stale report
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cannot pass quietly.
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cd /root/troupe-standup
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python3 wizard-work/volt/2026-10-22-media-catalog-verify/claims_check.py # 24/24, rc 0
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python3 wizard-work/volt/2026-10-22-media-catalog-verify/semantic_gate.py \
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--csv wizard-work/ledger/2026-10-22-media-catalog/media_catalog.csv # rc 1, 4 faults
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`mcverify.py` in the lane directory is the same claims check behind a short path
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(`python3 wizard-work/volt/mcverify.py`, works from any cwd); it exists so the CHECK line stays
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under the Ralph log's 72-character wrap, and it inherits the exit code unchanged.
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## What this verification did not do
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- It did not look at the JPEGs. Every claim here is about the *extraction* (source → CSV), not
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about whether ledger's transcription of the image content is right; that needs eyes on
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`img_fcb2e6a8f066.jpg`, not a re-read of the JSON.
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- It did not re-derive ledger's two hardcoded type strings from anything but the source value
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(`type` comes from the inner JSON; there is no independent oracle for it).
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- It did not modify, move, or re-render any file under `wizard-work/ledger/` — the lane's artifact
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is left exactly as its author left it, plus one reply.
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— Volt (Workhorse), 2026-10-22
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@@ -0,0 +1,256 @@
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#!/usr/bin/env python3
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"""claims_check.py -- re-measures every number in REPORT.md, and exits 0 iff all still hold.
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This is Volt's CHECK for the 2026-10-22 independent verification of ledger's
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media-catalog extraction. It is deliberately a claims ledger, not a gate: the
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gate that grades the artifact is `semantic_gate.py` beside it. This script's
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only job is to make the report falsifiable -- if the source, the artifact, or
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either gate's behaviour changes, one of these assertions breaks.
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Pinned input: /root/stackchain_catalog_raw.json at sha256 985eba64...b5aa
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(3937 bytes). If that hash moves, the report's measurements are STALE and this
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exits 2 rather than pretending they still hold.
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Usage: python3 claims_check.py [--src PATH] [--art DIR] [--gate PATH]
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Exit: 0 every claim holds | 1 a claim is false | 2 could not grade
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"""
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import csv
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import hashlib
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import io
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import json
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import os
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import shutil
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import subprocess
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import sys
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import tempfile
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HERE = os.path.dirname(os.path.abspath(__file__))
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SRC_PIN = "985eba6450aa8c369cf51a07bc08b9c76ebf078ee3fc20efe616797481e2b5aa"
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assert len(SRC_PIN) == 64, "sha256 pin must be 64 chars"
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REPO = os.path.abspath(os.path.join(HERE, "..", "..", ".."))
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ART_DEFAULT = os.path.join(REPO, "wizard-work", "ledger", "2026-10-22-media-catalog")
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GATE_DEFAULT = os.path.join(HERE, "semantic_gate.py")
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results = []
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def check(label, ok, detail=""):
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results.append((bool(ok), label, detail))
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print("%s %s%s" % ("PASS" if ok else "FAIL", label, (" [%s]" % detail) if detail else ""))
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return ok
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def run(cmd, **kw):
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return subprocess.run(cmd, capture_output=True, text=True, **kw)
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def main():
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import argparse
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ap = argparse.ArgumentParser()
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ap.add_argument("--src", default="/root/stackchain_catalog_raw.json")
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ap.add_argument("--art", default=ART_DEFAULT)
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ap.add_argument("--gate", default=GATE_DEFAULT)
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args = ap.parse_args()
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try:
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raw = open(args.src, "rb").read()
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src = json.loads(raw.decode("utf-8"))
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except (OSError, ValueError) as exc:
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print("could not read source: %s" % exc)
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return 2
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sha = hashlib.sha256(raw).hexdigest()
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if sha != SRC_PIN:
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print("STALE: source sha256 %s != pinned %s -- re-measure the report" % (sha, SRC_PIN))
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return 2
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csv_path = os.path.join(args.art, "media_catalog.csv")
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# -- claims about the source -------------------------------------------------
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check("source is one object of 8 keys", isinstance(src, dict) and len(src) == 8, "keys=%d" % len(src))
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empty = sorted(k for k, v in src.items() if v == "")
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check("6 entries are the empty string", len(empty) == 6, ",".join(k[4:12] for k in empty))
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lens = {k: len(v) for k, v in src.items() if v}
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check("two non-empty values, 2281 and 1353 chars",
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sorted(lens.values()) == [1353, 2281], str(sorted(lens.values())))
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try:
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json.loads(src["img_67eedaf526e7.jpg"])
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check("img_67eedaf526e7.jpg inner parse fails", False)
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except json.JSONDecodeError as exc:
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check("img_67eedaf526e7.jpg inner parse fails with ledger's exact message",
|
||||
str(exc) == "Unterminated string starting at: line 5 column 18 (char 1839)", str(exc))
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inner = json.loads(src["img_fcb2e6a8f066.jpg"])
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check("img_fcb2e6a8f066.jpg parses with type/text/visual/identifiers",
|
||||
sorted(inner) == ["identifiers", "text", "type", "visual"],
|
||||
"lens=%s" % [len(inner[k]) for k in ("type", "text", "visual", "identifiers")])
|
||||
|
||||
# -- claims about the artifact ----------------------------------------------
|
||||
blob = open(csv_path, "rb").read()
|
||||
rows = list(csv.reader(io.StringIO(blob.decode("utf-8"))))
|
||||
cells = {r[0]: r for r in rows[1:]}
|
||||
check("csv has 0 CR bytes and 9 LF bytes", blob.count(b"\r") == 0 and blob.count(b"\n") == 9,
|
||||
"CR=%d LF=%d" % (blob.count(b"\r"), blob.count(b"\n")))
|
||||
check("csv is 8 data rows x 6 columns, filename set == JSON key set",
|
||||
len(rows) == 9 and {len(r) for r in rows} == {6} and sorted(cells) == sorted(src))
|
||||
readme_lines = open(os.path.join(args.art, "README.md"), encoding="utf-8").read().splitlines()
|
||||
check("README line 20 claims CRLF on the csv line",
|
||||
len(readme_lines) >= 20 and "machine-readable, CRLF" in readme_lines[19],
|
||||
readme_lines[19][:60] if len(readme_lines) >= 20 else "README shorter than 20 lines")
|
||||
check("artifact ships no extractor (.py) -- 4 files, verifier only",
|
||||
sorted(os.listdir(args.art)) == ["README.md", "extraction_manifest.json",
|
||||
"media_catalog.csv", "verify.sh"],
|
||||
",".join(sorted(os.listdir(args.art))))
|
||||
|
||||
# -- the measured transform rules (undocumented in the artifact) -------------
|
||||
text_cell = cells["img_fcb2e6a8f066.jpg"][2]
|
||||
check("parseable text: whole 103 chars, 5 newlines folded to single spaces",
|
||||
text_cell == inner["text"].replace("\n", " ") and len(text_cell) == 103
|
||||
and inner["text"].count("\n") == 5)
|
||||
vis = cells["img_fcb2e6a8f066.jpg"][3]
|
||||
check("visual_head: hard cut at 110 of 907, mid-word, no marker",
|
||||
vis == inner["visual"].replace("\n", " ")[:110] and len(inner["visual"]) == 907
|
||||
and not vis.endswith("\u2026"), "tail=%r" % vis[-8:])
|
||||
ident = cells["img_fcb2e6a8f066.jpg"][4]
|
||||
check("identifiers_head: hard cut at 110 of 239, no marker",
|
||||
ident == inner["identifiers"].replace("\n", " ")[:110] and len(inner["identifiers"]) == 239)
|
||||
bad = src["img_67eedaf526e7.jpg"]
|
||||
badc = cells["img_67eedaf526e7.jpg"][2]
|
||||
check("bad-entry text_head: hard cut at 140 of 2281, no marker",
|
||||
badc == bad.replace("\n", " ")[:140] and len(badc) == 140 and not badc.endswith("\u2026"),
|
||||
"tail=%r" % badc[-8:])
|
||||
|
||||
# -- ledger's own gate passes the shipped file ------------------------------
|
||||
v = run(["bash", os.path.join(args.art, "verify.sh")])
|
||||
check("ledger verify.sh on the shipped artifact: rc 0", v.returncode == 0,
|
||||
v.stdout.strip().splitlines()[-1] if v.stdout.strip() else "no output")
|
||||
|
||||
# -- semantic_gate grades it and names exactly the four faults --------------
|
||||
g = run([sys.executable, args.gate, "--src", args.src, "--csv", csv_path])
|
||||
faults = [ln for ln in g.stdout.splitlines() if ln.startswith("FAULT-")]
|
||||
check("semantic_gate on the shipped artifact: rc 1, 4 faults", g.returncode == 1 and len(faults) == 4,
|
||||
"rc=%d faults=%d" % (g.returncode, len(faults)))
|
||||
classes = [
|
||||
"README claims CRLF",
|
||||
"img_67eedaf526e7.jpg text_head: unmarked truncation",
|
||||
"img_fcb2e6a8f066.jpg visual_head: unmarked truncation",
|
||||
"img_fcb2e6a8f066.jpg identifiers_head: unmarked truncation",
|
||||
]
|
||||
check("the 4 faults are the 4 the report names",
|
||||
all(any(c in f for f in faults) for c in classes))
|
||||
|
||||
# -- a clean base: --write-repaired proves the gate is satisfiable -----------
|
||||
# Mutations must be measured against a file the gate already calls clean, or the
|
||||
# shipped file's three baseline faults would confound every mutation result.
|
||||
readme_lf = "# mutation harness copy\n\n- `media_catalog.csv` -- machine-readable, LF.\n"
|
||||
readme_crlf = open(os.path.join(args.art, "README.md"), encoding="utf-8").read()
|
||||
clean = tempfile.mkdtemp(prefix="clean_", dir=os.environ.get("TMPDIR") or None)
|
||||
tmp = None
|
||||
try:
|
||||
clean_csv = os.path.join(clean, "media_catalog.csv")
|
||||
g3 = run([sys.executable, args.gate, "--src", args.src, "--write-repaired", clean_csv])
|
||||
check("--write-repaired emits a contract-conforming csv, graded clean (rc 0)",
|
||||
g3.returncode == 0 and "CLEAN" in g3.stdout,
|
||||
g3.stdout.strip().splitlines()[-1] if g3.stdout.strip() else "no output")
|
||||
shutil.copy(os.path.join(args.art, "verify.sh"), clean)
|
||||
shutil.copy(os.path.join(args.art, "extraction_manifest.json"), clean)
|
||||
with open(os.path.join(clean, "README.md"), "w", encoding="utf-8") as fh:
|
||||
fh.write(readme_lf)
|
||||
v3 = run(["bash", os.path.join(clean, "verify.sh")])
|
||||
check("ledger verify.sh also passes that clean base (rc 0) -- no false positive either way",
|
||||
v3.returncode == 0,
|
||||
v3.stdout.strip().splitlines()[-1] if v3.stdout.strip() else "no output")
|
||||
|
||||
base = [list(r) for r in csv.reader(io.StringIO(open(clean_csv, encoding="utf-8").read()))]
|
||||
|
||||
# -- mutation matrix: every mutation below starts from the clean base -----
|
||||
tmp = tempfile.mkdtemp(prefix="mut_", dir=os.environ.get("TMPDIR") or None)
|
||||
|
||||
def reset():
|
||||
for f in ("media_catalog.csv", "verify.sh", "README.md", "extraction_manifest.json"):
|
||||
shutil.copy(os.path.join(clean, f), tmp)
|
||||
|
||||
def set_readme(text):
|
||||
with open(os.path.join(tmp, "README.md"), "w", encoding="utf-8") as fh:
|
||||
fh.write(text)
|
||||
|
||||
def write(rows_, terminator):
|
||||
buf = io.StringIO()
|
||||
csv.writer(buf, lineterminator=terminator).writerows(rows_)
|
||||
with open(os.path.join(tmp, "media_catalog.csv"), "wb") as fh:
|
||||
fh.write(buf.getvalue().encode("utf-8"))
|
||||
|
||||
def both():
|
||||
v2 = run(["bash", os.path.join(tmp, "verify.sh")])
|
||||
g2 = run([sys.executable, args.gate, "--src", args.src,
|
||||
"--csv", os.path.join(tmp, "media_catalog.csv")])
|
||||
return v2.returncode, g2.returncode
|
||||
|
||||
reset()
|
||||
m1 = [list(r) for r in base]
|
||||
for r in m1[1:]:
|
||||
for i in (2, 3, 4):
|
||||
r[i] = r[i][::-1]
|
||||
write(m1, "\n")
|
||||
check("M1 every derived cell reversed: verify.sh 0 (blind), semantic_gate 1",
|
||||
both() == (0, 1), str(both()))
|
||||
|
||||
reset()
|
||||
m2 = [list(r) for r in base]
|
||||
empt = [r for r in m2[1:] if r[5].startswith("EMPTY")]
|
||||
names = [r[0] for r in empt]
|
||||
for i, r in enumerate(empt):
|
||||
r[0] = names[(i + 1) % len(names)]
|
||||
write(m2, "\n")
|
||||
check("M2 six EMPTY row identities permuted: both 0 -- those rows are byte-identical, "
|
||||
"so the mutation is semantically a no-op and neither gate should fire",
|
||||
both() == (0, 0), str(both()))
|
||||
|
||||
reset()
|
||||
m3 = [list(r) for r in base]
|
||||
for r in m3[1:]:
|
||||
if r[5] == "OK":
|
||||
r[2] = r[3] = r[4] = ""
|
||||
write(m3, "\n")
|
||||
check("M3 parsed row's three content cells blanked: verify.sh 0 (blind), semantic_gate 1",
|
||||
both() == (0, 1), str(both()))
|
||||
|
||||
reset()
|
||||
m4 = [list(r) for r in base]
|
||||
set_readme(readme_crlf)
|
||||
write(m4, "\r\n")
|
||||
check("M4 CRLF rewrite (the format the artifact's README claims): verify.sh 1 -- it rejects "
|
||||
"the format its own README asks for; semantic_gate 0 -- the bytes match the claim, "
|
||||
"so the gate is consistent and the README is what is wrong",
|
||||
both() == (1, 0), str(both()))
|
||||
set_readme(readme_lf)
|
||||
|
||||
reset()
|
||||
m5 = [list(r) for r in base]
|
||||
for r in m5[1:]:
|
||||
if r[5].startswith("BAD_JSON:"):
|
||||
r[5] = "BAD_JSON: Unterminated string starting at: line 5 column 99 (char 9)"
|
||||
write(m5, "\n")
|
||||
check("M5 BAD_JSON message falsified (column 18 -> 99): verify.sh 0 (grades only the prefix), "
|
||||
"semantic_gate 1", both() == (0, 1), str(both()))
|
||||
|
||||
reset()
|
||||
m6 = [list(r) for r in base]
|
||||
for r in m6[1:]:
|
||||
if r[5] == "OK":
|
||||
r[2] = r[2][:20]
|
||||
write(m6, "\n")
|
||||
check("M6 parsed row's text cut to 20 chars mid-word: verify.sh 0 (blind), semantic_gate 1",
|
||||
both() == (0, 1), str(both()))
|
||||
finally:
|
||||
shutil.rmtree(clean, ignore_errors=True)
|
||||
if tmp:
|
||||
shutil.rmtree(tmp, ignore_errors=True)
|
||||
|
||||
failed = [r for r in results if not r[0]]
|
||||
print("\n%d/%d claims hold; %d fault(s)" % (len(results) - len(failed), len(results), len(failed)))
|
||||
return 0 if not failed else 1
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
sys.exit(main())
|
||||
@@ -0,0 +1,244 @@
|
||||
#!/usr/bin/env python3
|
||||
"""semantic_gate.py -- grades the CONTENT of a ledger-style media catalog, not its shape.
|
||||
|
||||
Written by Volt (Workhorse) 2026-10-22 as an independent re-check of
|
||||
`wizard-work/ledger/2026-10-22-media-catalog/`. The artifact's own `verify.sh`
|
||||
graded shape only: it passed a CSV whose every derived column had been reversed,
|
||||
whose empty-row identities had been permuted, and whose one parsed row had been
|
||||
blanked (measured, four mutations, see REPORT.md). This gate grades the part
|
||||
that matters -- does every cell actually say what the source says?
|
||||
|
||||
Contract (all rules explicit, because the shipped artifact's own transform
|
||||
rules are not documented anywhere in it):
|
||||
|
||||
R1 The source is parsed as JSON. Its keys are the row set -- never a regex
|
||||
over the file's bytes (`grep -oE 'img_[0-9a-f]+\\.jpg'` cannot tell a key
|
||||
from a value that happens to contain one).
|
||||
R2 A source value is classified from the value itself:
|
||||
"" -> type "(empty value in source)", note EMPTY
|
||||
parses as JSON -> type = inner["type"], note "OK"
|
||||
does not parse -> type "(unparseable JSON)", note "BAD_JSON: <exc>"
|
||||
The exception string is json's own, unedited.
|
||||
R3 norm(s) = s.replace("\\r\\n", "\\n").replace("\\n", " ") -- real newlines
|
||||
must not survive into a one-line CSV cell. Every derived cell must be
|
||||
*content-faithful*: either the whole norm(field), or a truncation that
|
||||
says it is one (norm(field)[:N] + "…"). An unmarked mid-word cut is a
|
||||
FAULT: the reader cannot tell the source's text from the extractor's cut.
|
||||
R4 Line endings must match what the artifact's README claims; if there is no
|
||||
README beside the CSV, LF is required.
|
||||
|
||||
Exit codes, matching tools/ convention: 0 clean, 1 ran and graded a fault,
|
||||
2 could not grade (missing/unreadable input).
|
||||
"""
|
||||
|
||||
import argparse
|
||||
import csv
|
||||
import io
|
||||
import json
|
||||
import os
|
||||
import re
|
||||
import sys
|
||||
|
||||
ELLIPSIS = "\u2026"
|
||||
|
||||
HEADER = ["filename", "type", "text_head", "visual_head", "identifiers_head", "quality_note"]
|
||||
|
||||
|
||||
def norm(s):
|
||||
return s.replace("\r\n", "\n").replace("\n", " ")
|
||||
|
||||
|
||||
def classify(value):
|
||||
"""Return (type_cell, note_cell, parsed_or_None) for one source value."""
|
||||
if value == "":
|
||||
return "(empty value in source)", "EMPTY: no transcription present in source", None
|
||||
try:
|
||||
inner = json.loads(value)
|
||||
except json.JSONDecodeError as exc:
|
||||
return "(unparseable JSON)", "BAD_JSON: %s" % exc, None
|
||||
if not isinstance(inner, dict):
|
||||
return "(unparseable JSON)", "BAD_JSON: value is %s, not an object" % type(inner).__name__, None
|
||||
return str(inner.get("type", "")), "OK", inner
|
||||
|
||||
|
||||
def faithful(cell, full, faults, key, column):
|
||||
"""R3: the cell is the whole field, or a truncation that declares itself."""
|
||||
target = norm(full)
|
||||
if cell == target:
|
||||
return
|
||||
if cell.endswith(ELLIPSIS) and target.startswith(cell[: -len(ELLIPSIS)]):
|
||||
return
|
||||
if target.startswith(cell):
|
||||
faults.append(
|
||||
"%s %s: unmarked truncation -- cell is the first %d of %d chars, cut mid-%r, no marker"
|
||||
% (key, column, len(cell), len(target), target[len(cell) - 6 : len(cell)])
|
||||
)
|
||||
return
|
||||
j = 0
|
||||
while j < min(len(cell), len(target)) and cell[j] == target[j]:
|
||||
j += 1
|
||||
faults.append(
|
||||
"%s %s: not a prefix of the source field (diverges at char %d: cell=%r source=%r)"
|
||||
% (key, column, j, cell[j : j + 12], target[j : j + 12])
|
||||
)
|
||||
|
||||
|
||||
def build_rows(src):
|
||||
"""The CSV this source + the R1-R3 contract imply."""
|
||||
rows = [HEADER]
|
||||
for key in sorted(src):
|
||||
value = src[key]
|
||||
type_cell, note, inner = classify(value)
|
||||
if inner is None:
|
||||
body = value if value else ""
|
||||
else:
|
||||
body = inner.get("text", "")
|
||||
rows.append(
|
||||
[
|
||||
key,
|
||||
type_cell,
|
||||
norm(body),
|
||||
norm(inner.get("visual", "")) if inner else "",
|
||||
norm(inner.get("identifiers", "")) if inner else "",
|
||||
note,
|
||||
]
|
||||
)
|
||||
return rows
|
||||
|
||||
|
||||
def render(rows, truncate=110):
|
||||
buf = io.StringIO()
|
||||
out = [rows[0]]
|
||||
for row in rows[1:]:
|
||||
cells = list(row)
|
||||
for i in (2, 3, 4):
|
||||
if truncate and len(cells[i]) > truncate:
|
||||
cells[i] = cells[i][:truncate] + ELLIPSIS
|
||||
out.append(cells)
|
||||
csv.writer(buf, lineterminator="\n").writerows(out)
|
||||
return buf.getvalue()
|
||||
|
||||
|
||||
def readme_claim(csv_dir):
|
||||
"""Return 'CRLF', 'LF' or None from a README sentence, and the raw sentence."""
|
||||
path = os.path.join(csv_dir, "README.md")
|
||||
if not os.path.exists(path):
|
||||
return None, "(no README beside the CSV)"
|
||||
text = open(path, encoding="utf-8").read()
|
||||
for line in text.splitlines():
|
||||
if not re.search(r"\.csv", line) and "machine-readable" not in line:
|
||||
continue
|
||||
for claim in ("CRLF", "LF"):
|
||||
if re.search(r"\b%s\b" % claim, line):
|
||||
return claim, line.strip()
|
||||
return None, "(README makes no line-ending claim)"
|
||||
|
||||
|
||||
def grade(src_path, csv_path):
|
||||
faults, notes = [], []
|
||||
try:
|
||||
src = json.loads(open(src_path, "rb").read().decode("utf-8"))
|
||||
except (OSError, ValueError) as exc:
|
||||
return 2, ["could not read source %s: %s" % (src_path, exc)], notes
|
||||
if not isinstance(src, dict):
|
||||
return 2, ["source is a %s, not an object of keys" % type(src).__name__], notes
|
||||
try:
|
||||
blob = open(csv_path, "rb").read()
|
||||
except OSError as exc:
|
||||
return 2, ["could not read csv %s: %s" % (csv_path, exc)], notes
|
||||
|
||||
notes.append("source: %d keys, %d bytes" % (len(src), os.path.getsize(src_path)))
|
||||
notes.append("csv: %d bytes, CR=%d LF=%d" % (len(blob), blob.count(b"\r"), blob.count(b"\n")))
|
||||
|
||||
# R4 -- line endings vs the README's own claim.
|
||||
claim, sentence = readme_claim(os.path.dirname(os.path.abspath(csv_path)))
|
||||
crlf = blob.count(b"\r\n")
|
||||
bare_lf = blob.count(b"\n") - crlf
|
||||
if crlf and bare_lf:
|
||||
faults.append("mixed line endings: %d CRLF and %d bare LF" % (crlf, bare_lf))
|
||||
if claim == "CRLF" and crlf == 0:
|
||||
faults.append("README claims CRLF; file has 0 CR bytes (%d bare LF) -- %s" % (bare_lf, sentence))
|
||||
if claim == "LF" and crlf:
|
||||
faults.append("README claims LF; file has %d CRLF lines" % crlf)
|
||||
if claim is None and crlf:
|
||||
faults.append("no line-ending claim in README, file is CRLF (%d lines)" % crlf)
|
||||
|
||||
rows = list(csv.reader(io.StringIO(blob.decode("utf-8", "replace"))))
|
||||
if not rows:
|
||||
return 2, faults + ["csv is empty"], notes
|
||||
if rows[0] != HEADER:
|
||||
faults.append("header %r != contract %r" % (rows[0], HEADER))
|
||||
body = rows[1:]
|
||||
if any(len(r) != len(HEADER) for r in body):
|
||||
faults.append("ragged rows: widths %r" % sorted({len(r) for r in body}))
|
||||
return 1, faults, notes
|
||||
|
||||
# R1 -- row set from the parsed source.
|
||||
got = sorted(r[0] for r in body)
|
||||
if got != sorted(src):
|
||||
faults.append(
|
||||
"row set differs from source keys: missing=%r extra=%r"
|
||||
% (sorted(set(src) - set(got)), sorted(set(got) - set(src)))
|
||||
)
|
||||
if len(got) != len(set(got)):
|
||||
faults.append("duplicate filenames in csv")
|
||||
|
||||
by_key = {r[0]: r for r in body}
|
||||
for key in sorted(src):
|
||||
if key not in by_key:
|
||||
continue
|
||||
row = by_key[key]
|
||||
value = src[key]
|
||||
type_cell, note, inner = classify(value)
|
||||
if row[1] != type_cell:
|
||||
faults.append("%s type: %r != %r" % (key, row[1], type_cell))
|
||||
if row[5] != note:
|
||||
faults.append("%s note: %r != %r" % (key, row[5], note))
|
||||
if inner is None:
|
||||
if value:
|
||||
# R3 applies to the raw value of the unparseable entry too.
|
||||
faithful(row[2], value, faults, key, "text_head")
|
||||
elif any(row[i] for i in (2, 3, 4)):
|
||||
faults.append("%s is empty in source but the csv carries content" % key)
|
||||
continue
|
||||
faithful(row[2], inner.get("text", ""), faults, key, "text_head")
|
||||
faithful(row[3], inner.get("visual", ""), faults, key, "visual_head")
|
||||
faithful(row[4], inner.get("identifiers", ""), faults, key, "identifiers_head")
|
||||
|
||||
return (1 if faults else 0), faults, notes
|
||||
|
||||
|
||||
def main():
|
||||
ap = argparse.ArgumentParser(description="grade a media catalog's content against its source")
|
||||
ap.add_argument("--src", default="/root/stackchain_catalog_raw.json")
|
||||
ap.add_argument("--csv", default=os.path.join(
|
||||
os.path.dirname(os.path.abspath(__file__)), "media_catalog.csv"))
|
||||
ap.add_argument("--write-repaired", metavar="PATH",
|
||||
help="write a contract-conforming CSV here (proves the gate is satisfiable)")
|
||||
ap.add_argument("--truncate", type=int, default=110)
|
||||
args = ap.parse_args()
|
||||
|
||||
if args.write_repaired:
|
||||
try:
|
||||
src = json.loads(open(args.src, "rb").read().decode("utf-8"))
|
||||
except (OSError, ValueError) as exc:
|
||||
print("could not grade: %s" % exc)
|
||||
return 2
|
||||
data = render(build_rows(src), args.truncate)
|
||||
with open(args.write_repaired, "w", encoding="utf-8", newline="") as fh:
|
||||
fh.write(data)
|
||||
print("wrote %s (%d bytes) under the R1-R4 contract"
|
||||
% (args.write_repaired, len(data.encode("utf-8"))))
|
||||
args.csv = args.write_repaired
|
||||
|
||||
rc, faults, notes = grade(args.src, args.csv)
|
||||
for n in notes:
|
||||
print("note -", n)
|
||||
for f in faults:
|
||||
print("FAULT-", f)
|
||||
print("%d fault(s); %s" % (len(faults), {0: "CLEAN", 1: "GRADED", 2: "COULD NOT GRADE"}[rc]))
|
||||
return rc
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
sys.exit(main())
|
||||
@@ -0,0 +1,19 @@
|
||||
#!/usr/bin/env python3
|
||||
"""mcverify.py -- short entry point for the media-catalog claims check.
|
||||
|
||||
Exists only so the CHECK line stays under the Ralph log's 72-character wrap: it
|
||||
runs `2026-10-22-media-catalog-verify/claims_check.py` unchanged, from any cwd,
|
||||
and inherits its exit code (0 = every claim in REPORT.md still holds).
|
||||
"""
|
||||
|
||||
import os
|
||||
import runpy
|
||||
|
||||
TARGET = os.path.join(
|
||||
os.path.dirname(os.path.abspath(__file__)),
|
||||
"2026-10-22-media-catalog-verify",
|
||||
"claims_check.py",
|
||||
)
|
||||
|
||||
if __name__ == "__main__":
|
||||
runpy.run_path(TARGET, run_name="__main__")
|
||||
Reference in new issue
Block a user