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| """Recaption BLIP3o-Recap webdataset shards with Qwen2.5-VL-3B-Instruct (vLLM, one process per GPU). | |
| Each image keeps its original caption and gets two new ones; one jsonl per shard with | |
| ``{key, source_shard, orig_caption, recap_1, recap_2}``. Rejected samples (see ``violations``) are resampled. | |
| Resumable: keys already in a shard's jsonl are skipped and finished shards have a ``.done`` marker. | |
| python recaption.py run --shards data/*.tar --out out/ [--limit 1000] [--focus] | |
| python recaption.py stats out/*.jsonl [--sim 500] | |
| python recaption.py export --src out/ --out hf/recaptions --manifest subset_manifest.json # needs pyarrow | |
| """ | |
| import argparse | |
| import io | |
| import json | |
| import os | |
| import random | |
| import re | |
| import tarfile | |
| import time | |
| from concurrent.futures import ThreadPoolExecutor | |
| from pathlib import Path | |
| MODEL = "Qwen/Qwen2.5-VL-3B-Instruct" | |
| MAX_PIXELS = 640 * 28 * 28 | |
| SYSTEM = "You are an image captioner. Describe only what is visible." | |
| USER = """Describe this image in ONE paragraph of 70–90 words. | |
| Order: main subject(s) (count, category, color, size, pose/action) → spatial relations (left/right, front/behind, near/far) → background and setting → lighting, viewpoint, and medium (photo, illustration, 3D render, etc.). | |
| Rules: | |
| - Start directly with the main subject. Never begin with "The image", "This picture", "In this photo", or similar. | |
| - State only what is clearly visible. No guesses ("likely", "possibly", "suggesting", "appears to be"), no mood words ("serene", "vibrant", "charming", "picturesque"), no interpretation of purpose or meaning. | |
| - Quote visible text only if it is legible. | |
| - No lists, no line breaks, no concluding summary sentence.""" | |
| # --focus: appended to the second caption's prompt only, so the two captions differ in emphasis | |
| FOCUS = "\nPut extra emphasis on colors, materials, and attributes of each object rather than on the layout." | |
| # Decode-time ban of the filtered phrases (the prompt is kept verbatim): without it, Qwen2.5-VL-3B starts ~60% of | |
| # captions with "The image ..." and uses one of the banned words in ~80%, so resampling alone cannot fix them. | |
| # Openers go through vLLM bad_words (multi-token, works); words through logit_bias (see ban_bias). | |
| _SPEC = ("likely", "possibly", "appears", "suggesting", "serene", "vibrant", "charming", "picturesque") | |
| # beyond the spec list: inflections and the substitutes the model switches to once the spec words are banned | |
| _EXTRA = ("appear", "appeared", "appearing", "suggest", "suggests", "suggested", "seem", "seems", "seemed", "seemingly", | |
| "indicating", "indicates", "indicate", "indicated", "indicative", "perhaps", "probably", "might", "possible", | |
| "tranquil", "peaceful", "idyllic", "cozy", "inviting", "stunning", "breathtaking", "bustling", | |
| "overall", "atmosphere", "ambiance", "ambience", # summary sentences ("The overall ...") and mood | |
| # second round, from word counts on the first 177k full-run captions | |
| "calm", "lively", "festive", "scenic", "striking", "dramatic", "majestic", "grand", "dynamic", "typical", | |
| "emphasizing", "emphasizes", "emphasize", "emphasized", "enjoy", "enjoys", "enjoying", "welcoming", | |
| "relaxed", "relaxing", "pleasant", "playful", "harmonious", "elegant", "whimsical", "energetic", "cheerful", | |
| "celebratory", "celebrating", "intimate", "aesthetic", "iconic", "mood", "moody", | |
| # third round (fixed after the full run with `fix`): guesses that still leaked | |
| "potentially", "presumably", "apparently", "supposedly", "hinting", "hints", "implies", "implying", | |
| "impression") | |
| # interpretive phrases ("creating a sense of calm"), banned through bad_words like the openers | |
| _PHRASES = ["creating a", "sense of", "giving a", "giving it", "giving the scene", "giving the image", "adding a", | |
| "natural beauty", "looks like", "look like", "what looks", "could be", "may be"] | |
| _WORDS = _SPEC + _EXTRA | |
| _OPENERS = [f"{a} {b}" for a in ("The", "This", "These") for b in | |
| ("image", "picture", "photo", "photograph", "scene", "illustration", "snapshot")] + ["In this", "In the image", | |
| "In the picture", "In the photo"] | |
| # caption-initial "The"/"This"/"These" (no leading space: a different token from mid-sentence " The"); the model | |
| # otherwise dodges every banned opener with "The main object in the image is ...", "The mainsubject ...", etc. | |
| _FIRST = ("The", "This", "These") | |
| def ban_bias(tokenizer) -> dict[int, float]: | |
| """logit_bias -100 on every single-token form of _WORDS (" vibrant", "Appear", ...). | |
| vLLM's ``bad_words`` cannot ban them: it keeps the space-prefixed form only when it tokenizes to as many tokens | |
| as the bare word, and e.g. "vibrant" is v|ibr|ant while " vibrant" is one token, so mid-sentence uses pass. | |
| Rare multi-token forms (sentence-initial "Vibrant") are left to the filter. | |
| """ | |
| forms = [p + c for x in _WORDS for c in (x, x.capitalize()) for p in ("", " ")] | |
| ids = [tokenizer.encode(f, add_special_tokens=False) for f in forms] | |
| ids += [tokenizer.encode(f, add_special_tokens=False) for f in _FIRST] | |
| return {i[0]: -100.0 for i in ids if len(i) == 1} | |
| _OPENER = re.compile( | |
| r"^\W*(?:(?:the|this|these)\s+(?:image|picture|photo|photograph|scene|illustration|snapshot)s?\b" | |
| r"|in\s+(?:this|the)\s+(?:image|picture|photo|photograph|scene|illustration)\b)", | |
| re.I, | |
| ) | |
| _OPENER_X = re.compile(r"^\W*the\s+main", re.I) | |
| _BANNED = re.compile(rf"\b(?:{'|'.join(_SPEC)})\b", re.I) | |
| _BANNED_X = re.compile(rf"\b(?:{'|'.join(_EXTRA + tuple(_PHRASES))})\b", re.I) | |
| _LIST = re.compile(r"(?:^|\n)\s*(?:[-*•]|\d+[.)])\s") | |
| # CJK / kana / Hangul outside quotes: the model drifting into Chinese ("piles of salt结晶"); quoted signage is kept | |
| _CJK = re.compile(r"[-ヿ㐀-䶿一-鿿가-]") | |
| _QUOTED = re.compile(r"\"[^\"]*\"|“[^”]*”|「[^」]*」|'[^']*'") | |
| def cap(text: str, finished: bool = True, max_words: int | None = None) -> str: | |
| """Drop a cut-off last sentence; with ``max_words``, also keep only the whole sentences that fit.""" | |
| sents = re.split(r"(?<=[.!?])\s+", text.strip()) | |
| if not finished or not sents[-1].endswith((".", "!", "?", '"')): | |
| sents = sents[:-1] | |
| out, n = [], 0 | |
| for x in sents: | |
| n += len(x.split()) | |
| if max_words and n > max_words: | |
| break | |
| out.append(x) | |
| return " ".join(out) | |
| def violations(text: str, finished: bool = True, strict: bool = True) -> list[str]: | |
| """Reasons a caption is rejected (empty list = accepted); ``strict=False``: the spec rules only.""" | |
| out = [] | |
| if _OPENER.search(text) or strict and _OPENER_X.search(text): | |
| out.append("opener") | |
| bare = _QUOTED.sub("", text) # quoted visible text ("Enjoy the simple things") is kept verbatim | |
| if _BANNED.search(bare) or strict and _BANNED_X.search(bare): | |
| out.append("banned_word") | |
| if "\n" in text.strip() or _LIST.search(text): | |
| out.append("newline_list") | |
| if _CJK.search(bare): | |
| out.append("lang_drift") | |
| if len(text.split()) < 60: # no upper bound: max_tokens=160 keeps it far below BERT's 512 tokens | |
| out.append("length") | |
| if not finished: | |
| out.append("truncated") | |
| return out | |
| def prompt(focus: bool) -> str: | |
| return ( | |
| f"<|im_start|>system\n{SYSTEM}<|im_end|>\n<|im_start|>user\n<|vision_start|><|image_pad|><|vision_end|>" | |
| f"{USER}{FOCUS if focus else ''}<|im_end|>\n<|im_start|>assistant\n" | |
| ) | |
| def read_shard(path: Path): | |
| """Yield ``(key, jpg bytes, caption)`` from a webdataset tar (members of a key are adjacent).""" | |
| cur, parts = None, {} | |
| with tarfile.open(path, "r|*") as tar: | |
| for m in tar: | |
| if not m.isfile(): | |
| continue | |
| key, ext = m.name.rsplit(".", 1) | |
| if key != cur: | |
| if cur is not None and "jpg" in parts: | |
| yield cur, parts["jpg"], parts.get("txt", b"").decode("utf-8", "replace").strip() | |
| cur, parts = key, {} | |
| parts[ext] = tar.extractfile(m).read() | |
| if cur is not None and "jpg" in parts: | |
| yield cur, parts["jpg"], parts.get("txt", b"").decode("utf-8", "replace").strip() | |
| def load_image(data: bytes): | |
| """Decode and shrink to at most MAX_PIXELS so the processor's own resize is cheap.""" | |
| from PIL import Image | |
| im = Image.open(io.BytesIO(data)) | |
| if im.width * im.height > 4 * MAX_PIXELS: # JPEG DCT-domain downscale, much faster than a full decode | |
| im.draft("RGB", (im.width // 2, im.height // 2)) | |
| im = im.convert("RGB") | |
| s = (MAX_PIXELS / (im.width * im.height)) ** 0.5 | |
| if s < 1: | |
| im = im.resize((max(28, round(im.width * s)), max(28, round(im.height * s))), Image.BICUBIC) | |
| return im | |
| def claim(out: Path, shard: Path) -> bool: | |
| if (out / f"{shard.stem}.done").exists(): | |
| return False | |
| try: | |
| os.close(os.open(out / f"{shard.stem}.lock", os.O_CREAT | os.O_EXCL)) | |
| return True | |
| except FileExistsError: | |
| return False | |
| def _patch_bad_words() -> None: | |
| """Ban both the bare and the space-prefixed token sequence of every bad word. | |
| vLLM keeps the space-prefixed variant only when it has as many tokens as the bare word, so mid-sentence | |
| " giving a" (bare g|iving| a) or " whimsical" (bare wh|ims|ical) were never banned. The bad_words kernel itself | |
| handles any token sequence; only this expansion (run in the frontend process) is replaced. | |
| """ | |
| from vllm import SamplingParams | |
| def update_from_tokenizer(self, tokenizer) -> None: | |
| if not self.bad_words: | |
| return | |
| ids = [] | |
| for w in self.bad_words: | |
| for prefix in ("", " "): | |
| t = tokenizer.encode(prefix + w.lstrip(), add_special_tokens=False) | |
| if t and t not in ids: | |
| ids.append(t) | |
| self._bad_words_token_ids = ids | |
| SamplingParams.update_from_tokenizer = update_from_tokenizer | |
| def engine(args): | |
| os.environ.setdefault("VLLM_MAX_NUM_BAD_WORDS", "1024") # ~400 sequences with every word form | |
| os.environ.setdefault("VLLM_MAX_BAD_WORDS_TOTAL_TOKENS", "4096") | |
| from vllm import LLM, SamplingParams | |
| _patch_bad_words() | |
| llm = LLM( | |
| model=args.model, | |
| max_model_len=2048, | |
| gpu_memory_utilization=args.gpu_mem, | |
| enable_prefix_caching=True, | |
| limit_mm_per_prompt={"image": 1}, | |
| mm_processor_kwargs={"max_pixels": MAX_PIXELS}, | |
| seed=args.seed, | |
| ) | |
| words = [c for x in _WORDS for c in (x, x.capitalize())] # multi-token forms; logit_bias covers single tokens | |
| ban = {"bad_words": _OPENERS + _PHRASES + words, "logit_bias": ban_bias(llm.get_tokenizer())} | |
| ban = {} if args.no_ban else ban | |
| sp = lambda n: SamplingParams(n=n, temperature=0.8, top_p=0.9, max_tokens=160, **ban) # noqa: E731 | |
| return llm, sp | |
| def run(args): | |
| out = Path(args.out) | |
| out.mkdir(parents=True, exist_ok=True) | |
| llm, sp = engine(args) | |
| pool = ThreadPoolExecutor(args.workers) | |
| rank = os.environ.get("CUDA_VISIBLE_DEVICES", "0") | |
| for shard in map(Path, args.shards): | |
| if not claim(out, shard): | |
| continue | |
| dst = out / f"{shard.stem}.jsonl" | |
| seen = {json.loads(l)["key"] for l in open(dst)} if dst.exists() else set() | |
| stats = {"images": 0, "samples": 0, "rejected": 0, "reasons": {}, "fallback": [], "gen_s": 0.0} | |
| sp_path = out / f"{shard.stem}.stats.json" | |
| if sp_path.exists() and seen: | |
| stats = json.load(open(sp_path)) | |
| t0, done = time.time(), len(seen) | |
| items = ((k, j, c) for k, j, c in read_shard(shard) if k not in seen) | |
| with open(dst, "a") as f: | |
| while True: | |
| chunk = [x for _, x in zip(range(args.chunk), items)] | |
| if args.limit: | |
| chunk = chunk[: max(0, args.limit - done)] | |
| if not chunk: | |
| break | |
| imgs = list(pool.map(lambda x: load_image(x[1]), chunk)) | |
| tg = time.time() | |
| rows = recaption(llm, sp, imgs, args.focus, args.retries, stats) | |
| stats["gen_s"] += time.time() - tg | |
| for (key, _, cap), (r1, r2, ok) in zip(chunk, rows): | |
| f.write(json.dumps({"key": key, "source_shard": shard.name, "orig_caption": cap, | |
| "recap_1": r1, "recap_2": r2}) + "\n") | |
| if not ok: | |
| stats["fallback"].append(key) | |
| f.flush() | |
| done += len(chunk) | |
| stats["images"] = done | |
| json.dump(stats, open(sp_path, "w")) | |
| print(f"[gpu{rank}] {shard.name} {done} imgs {len(chunk) / (time.time() - tg + 1e-9):.1f} img/s " | |
| f"(chunk) rej {stats['rejected'] / max(1, stats['samples']):.3f}", flush=True) | |
| if args.limit and done >= args.limit: | |
| break | |
| stats["wall_s"] = stats.get("wall_s", 0) + time.time() - t0 | |
| json.dump(stats, open(sp_path, "w")) | |
| if not args.limit: | |
| (out / f"{shard.stem}.done").touch() | |
| (out / f"{shard.stem}.lock").unlink(missing_ok=True) | |
| def recaption(llm, sp, imgs, focus, retries, stats, todo=None): | |
| """Two accepted captions per image; resample rejected ones up to ``retries`` times, then keep the best. | |
| ``todo``: the ``(image, slot)`` pairs to generate (default: both slots of every image); others come back None. | |
| """ | |
| good = [[[], []] for _ in imgs] # per image, per slot (recap_1 / recap_2): accepted texts | |
| best = [[None, None] for _ in imgs] # fallback: (n violations, text) with fewest violations | |
| # slot 0 and slot 1 share the same prompt unless --focus, in which case slot 1 gets the FOCUS sentence | |
| todo = todo or [(i, s) for i in range(len(imgs)) for s in (0, 1)] | |
| asked = set(todo) | |
| for attempt in range(retries + 1): | |
| if not todo: | |
| break | |
| reqs, owners = [], [] | |
| if focus: | |
| for i, s in todo: | |
| reqs.append(({"prompt": prompt(s == 1), "multi_modal_data": {"image": imgs[i]}}, 1)) | |
| owners.append([(i, s)]) | |
| else: # one request per image with n = number of missing slots, so both samples share the prefill | |
| by_img = {} | |
| for i, s in todo: | |
| by_img.setdefault(i, []).append(s) | |
| for i, slots in by_img.items(): | |
| reqs.append(({"prompt": prompt(False), "multi_modal_data": {"image": imgs[i]}}, len(slots))) | |
| owners.append([(i, s) for s in slots]) | |
| by_n = {} | |
| for k, (_, n) in enumerate(reqs): | |
| by_n.setdefault(n, []).append(k) | |
| outs = [None] * len(reqs) | |
| for n, ks in by_n.items(): | |
| for k, o in zip(ks, llm.generate([reqs[k][0] for k in ks], sp(n), use_tqdm=False)): | |
| outs[k] = o | |
| todo = [] | |
| for o, own in zip(outs, owners): | |
| for c, (i, s) in zip(o.outputs, own): | |
| raw = c.text.strip() | |
| text = cap(raw, c.finish_reason == "stop") # cut off at max_tokens: drop the partial sentence | |
| stats["capped"] = stats.get("capped", 0) + (text != raw) | |
| v = violations(text) | |
| stats["samples"] += 1 | |
| if v: | |
| stats["rejected"] += 1 | |
| for r in v: | |
| stats["reasons"][r] = stats["reasons"].get(r, 0) + 1 | |
| if best[i][s] is None or len(v) < best[i][s][0]: | |
| best[i][s] = (len(v), text) | |
| todo.append((i, s)) | |
| else: | |
| good[i][s].append(text) | |
| rows = [] | |
| for i in range(len(imgs)): | |
| r = [None if (i, s) not in asked else good[i][s][0] if good[i][s] else best[i][s][1] for s in (0, 1)] | |
| rows.append((r[0], r[1], all(good[i][s] for s in (0, 1) if (i, s) in asked))) | |
| return rows | |
| def fix(args): | |
| """Regenerate, in finished shards, only the captions that violate the current rules (one slot at a time). | |
| Each shard's jsonl is rewritten atomically and marked ``.fixed``; workers claim shards like ``run``. | |
| """ | |
| out = Path(args.out) | |
| llm, sp = engine(args) | |
| pool = ThreadPoolExecutor(args.workers) | |
| rank = os.environ.get("CUDA_VISIBLE_DEVICES", "0") | |
| for shard in map(Path, args.shards): | |
| stem = shard.stem | |
| if not (out / f"{stem}.done").exists() or (out / f"{stem}.fixed").exists(): | |
| continue | |
| try: # own lock name: ``claim`` skips shards that are already .done | |
| os.close(os.open(out / f"{stem}.fixlock", os.O_CREAT | os.O_EXCL)) | |
| except FileExistsError: | |
| continue | |
| if (out / f"{stem}.fixed").exists(): # finished by another worker between the check and the claim | |
| (out / f"{stem}.fixlock").unlink(missing_ok=True) | |
| continue | |
| rows = [json.loads(l) for l in open(out / f"{stem}.jsonl")] | |
| bad = {r["key"]: [s for s in (0, 1) if violations(r[f"recap_{s + 1}"])] for r in rows} | |
| bad = {k: v for k, v in bad.items() if v} | |
| st = {"images": len(bad), "slots": sum(map(len, bad.values())), "samples": 0, "rejected": 0, "reasons": {}, | |
| "fallback": []} | |
| items = [(k, j) for k, j, _ in read_shard(shard) if k in bad] | |
| new, t0 = {}, time.time() | |
| for c in range(0, len(items), args.chunk): | |
| chunk = items[c : c + args.chunk] | |
| imgs = list(pool.map(lambda x: load_image(x[1]), chunk)) | |
| todo = [(i, s) for i, (k, _) in enumerate(chunk) for s in bad[k]] | |
| for (k, _), (r1, r2, ok) in zip(chunk, recaption(llm, sp, imgs, False, args.retries, st, todo)): | |
| new[k] = (r1, r2) | |
| if not ok: | |
| st["fallback"].append(k) | |
| tmp = out / f"{stem}.jsonl.tmp" | |
| with open(tmp, "w") as f: | |
| for r in rows: | |
| for s, t in enumerate(new.get(r["key"], (None, None))): | |
| if t is not None: | |
| r[f"recap_{s + 1}"] = t | |
| f.write(json.dumps(r) + "\n") | |
| os.replace(tmp, out / f"{stem}.jsonl") | |
| sj = out / f"{stem}.stats.json" | |
| allst = json.load(open(sj)) | |
| allst["fix"] = st | |
| json.dump(allst, open(sj, "w")) | |
| (out / f"{stem}.fixed").touch() | |
| (out / f"{stem}.fixlock").unlink(missing_ok=True) | |
| print(f"[gpu{rank}] fixed {stem}: {st['slots']} captions of {st['images']} images in " | |
| f"{time.time() - t0:.0f}s, still violating {len(st['fallback'])}", flush=True) | |
| def _ngrams(t: str, n: int = 2) -> set: | |
| w = re.findall(r"\w+", t.lower()) | |
| return {tuple(w[i : i + n]) for i in range(len(w) - n + 1)} | |
| def _lcs(a: list, b: list) -> int: | |
| prev = [0] * (len(b) + 1) | |
| for x in a: | |
| cur = [0] | |
| for j, y in enumerate(b): | |
| cur.append(prev[j] + 1 if x == y else max(prev[j + 1], cur[j])) | |
| prev = cur | |
| return prev[-1] | |
| def similarity(a: str, b: str) -> dict: | |
| """Bigram Jaccard and ROUGE-L F1 between two captions.""" | |
| ga, gb = _ngrams(a), _ngrams(b) | |
| wa, wb = re.findall(r"\w+", a.lower()), re.findall(r"\w+", b.lower()) | |
| l = _lcs(wa, wb) | |
| return {"jaccard2": len(ga & gb) / max(1, len(ga | gb)), "rougeL": 2 * l / max(1, len(wa) + len(wb))} | |
| def stats(args): | |
| rows = [json.loads(l) for p in args.files for l in open(p)] | |
| agg = {"images": 0, "samples": 0, "rejected": 0, "reasons": {}, "fallback": 0, "gen_s": 0.0, "wall_s": 0.0} | |
| for p in args.files: | |
| s = json.load(open(Path(p).with_suffix(".stats.json"))) | |
| for k in ("images", "samples", "rejected", "gen_s", "wall_s"): | |
| agg[k] += s.get(k, 0) | |
| agg["fallback"] += len(s["fallback"]) | |
| for r, c in s["reasons"].items(): | |
| agg["reasons"][r] = agg["reasons"].get(r, 0) + c | |
| first = 2 * agg["images"] # first-pass samples | |
| print(json.dumps(agg, indent=1)) | |
| print(f"img/s (generation only) {agg['images'] / agg['gen_s']:.2f}, (wall) {agg['images'] / agg['wall_s']:.2f}") | |
| print(f"rejected / all samples {agg['rejected'] / agg['samples']:.3f}; resample overhead " | |
| f"{agg['samples'] / first - 1:.3f}; images with a fallback caption {agg['fallback'] / agg['images']:.4f}") | |
| for strict in (False, True): | |
| final = [violations(r[k], strict=strict) for r in rows for k in ("recap_1", "recap_2")] | |
| print(f"final captions still violating ({'extended' if strict else 'spec'} rules) " | |
| f"{sum(map(bool, final)) / len(final):.4f}") | |
| wc = sorted(len(r[k].split()) for r in rows for k in ("recap_1", "recap_2")) | |
| print(f"words: p5 {wc[len(wc) // 20]} median {wc[len(wc) // 2]} p95 {wc[19 * len(wc) // 20]}") | |
| rng = random.Random(0) | |
| sub = rng.sample(rows, min(args.sim, len(rows))) | |
| pair = [similarity(r["recap_1"], r["recap_2"]) for r in sub] | |
| other = [similarity(r["recap_1"], rng.choice(rows)["recap_2"]) for r in sub] # different images: floor | |
| orig = [similarity(r["recap_1"], r["orig_caption"]) for r in sub] | |
| for name, s in (("recap_1 vs recap_2 (same image)", pair), ("recap_1 vs orig (same image)", orig), | |
| ("recap_1 vs recap_2 (random image)", other)): | |
| print(f"{name}: " + ", ".join(f"{k} {sum(x[k] for x in s) / len(s):.3f}" for k in s[0])) | |
| def export(args): | |
| """One parquet per shard (tar order, keys unique), row counts checked against the subset manifest.""" | |
| import pyarrow as pa | |
| import pyarrow.parquet as pq | |
| src, out = Path(args.src), Path(args.out) | |
| out.mkdir(parents=True, exist_ok=True) | |
| cols = ("key", "source_shard", "orig_caption", "recap_1", "recap_2") | |
| total = 0 | |
| for sh in json.load(open(args.manifest))["shards"]: | |
| stem = Path(sh["file"]).stem | |
| assert (src / f"{stem}.done").exists(), f"{stem} not finished" | |
| rows, seen = [], set() | |
| for line in open(src / f"{stem}.jsonl"): | |
| try: | |
| r = json.loads(line) | |
| except json.JSONDecodeError: # a line cut by a killed worker | |
| continue | |
| if r["key"] not in seen: | |
| seen.add(r["key"]) | |
| rows.append(r) | |
| assert len(rows) == sh["pairs"], f"{stem}: {len(rows)} rows, manifest {sh['pairs']}" | |
| pq.write_table(pa.table({c: [r[c] for r in rows] for c in cols}), out / f"{stem}.parquet", compression="zstd") | |
| total += len(rows) | |
| print(f"{total} rows -> {out}") | |
| if __name__ == "__main__": | |
| ap = argparse.ArgumentParser() | |
| sub = ap.add_subparsers(dest="cmd", required=True) | |
| r = sub.add_parser("run") | |
| r.add_argument("--shards", nargs="+", required=True) | |
| r.add_argument("--out", required=True) | |
| r.add_argument("--model", default=MODEL) | |
| r.add_argument("--limit", type=int, default=0, help="images per shard (test runs; no .done marker)") | |
| r.add_argument("--chunk", type=int, default=1024) | |
| r.add_argument("--no-ban", action="store_true", help="no decode-time bans (filter + resample only)") | |
| r.add_argument("--retries", type=int, default=3) | |
| r.add_argument("--focus", action="store_true", help="add the FOCUS sentence to the second caption's prompt") | |
| r.add_argument("--gpu-mem", type=float, default=0.85) | |
| r.add_argument("--workers", type=int, default=16) | |
| r.add_argument("--seed", type=int, default=0) | |
| x = sub.add_parser("fix", help="regenerate only the captions that violate the current rules") | |
| x.add_argument("--shards", nargs="+", required=True) | |
| x.add_argument("--out", required=True) | |
| x.add_argument("--model", default=MODEL) | |
| x.add_argument("--chunk", type=int, default=1024) | |
| x.add_argument("--retries", type=int, default=3) | |
| x.add_argument("--gpu-mem", type=float, default=0.85) | |
| x.add_argument("--workers", type=int, default=16) | |
| x.add_argument("--seed", type=int, default=0) | |
| x.add_argument("--no-ban", action="store_true") | |
| s = sub.add_parser("stats") | |
| s.add_argument("files", nargs="+") | |
| s.add_argument("--sim", type=int, default=500) | |
| e = sub.add_parser("export") | |
| e.add_argument("--src", required=True) | |
| e.add_argument("--out", required=True) | |
| e.add_argument("--manifest", required=True) | |
| a = ap.parse_args() | |
| {"run": run, "fix": fix, "stats": stats, "export": export}[a.cmd](a) | |