File size: 6,203 Bytes
44a7ed3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 | #!/usr/bin/env python3
"""Download Product1M test/gallery images from official URL metadata."""
from __future__ import annotations
import argparse
import json
import random
import sys
import time
from pathlib import Path
try:
import requests
except ImportError as exc:
raise SystemExit("Missing python package: requests (pip install requests)") from exc
MAX_RETRIES = 5
MIN_BYTES = 1000
HEADERS = {
"User-Agent": (
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
"AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/119.0.0.0 Safari/537.36"
),
"Accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8",
"Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
"Referer": "https://www.taobao.com/",
}
TXT_FILES = {
"test": "product1m_test_ossurl_v2.txt",
"gallery": "product1m_gallery_ossurl_v2.txt",
}
def find_txt_dir(root: Path) -> Path:
for name in ("Poudct1M", "Product1M"):
candidate = root / name
if candidate.is_dir():
return candidate
raise FileNotFoundError(f"Cannot find Poudct1M/ or Product1M/ under {root}")
def load_split(path: Path) -> dict:
with open(path, encoding="utf-8") as f:
data = json.load(f)
for key in ("test", "gallery"):
if key not in data:
raise KeyError(f"Missing key '{key}' in {path}")
return data
def read_lines_at(txt_path: Path, line_numbers: list[int]) -> dict[int, str]:
wanted = set(line_numbers)
max_line = max(line_numbers)
found: dict[int, str] = {}
with open(txt_path, encoding="utf-8") as f:
for lineno, line in enumerate(f, 1):
if lineno in wanted:
found[lineno] = line.strip()
if lineno >= max_line and len(found) == len(wanted):
break
missing = sorted(wanted - found.keys())
if missing:
raise ValueError(f"Missing lines in {txt_path}: {missing[:10]}")
return found
def parse_record(line: str) -> tuple[str, list[str]]:
parts = line.split("#####")
if len(parts) < 4:
raise ValueError(f"Invalid line with <4 fields: {line[:120]}")
image_id = parts[0]
urls = [parts[2], parts[3]]
return image_id, urls
def download_image(session: requests.Session, urls: list[str], out_path: Path) -> str | None:
for url in urls:
last_error = None
for attempt in range(MAX_RETRIES):
try:
if attempt > 0:
time.sleep(random.uniform(1.0, 3.0))
response = session.get(url, timeout=15, allow_redirects=True)
if response.status_code == 200 and len(response.content) > MIN_BYTES:
out_path.parent.mkdir(parents=True, exist_ok=True)
out_path.write_bytes(response.content)
return url
last_error = f"HTTP {response.status_code}, bytes={len(response.content)}"
if response.status_code == 420:
time.sleep(random.uniform(2.0, 6.0))
except requests.RequestException as exc:
last_error = str(exc)
time.sleep(random.uniform(1.0, 2.0))
if last_error:
continue
return None
def download_images(
split_json: Path,
repo_dir: Path,
source_dir: Path,
log_file: Path,
) -> None:
split = load_split(split_json)
txt_dir = find_txt_dir(repo_dir)
log_file.parent.mkdir(parents=True, exist_ok=True)
session = requests.Session()
session.headers.update(HEADERS)
total_ok = 0
total_skip = 0
total_fail = 0
with open(log_file, "a", encoding="utf-8") as log_f:
for split_name in ("test", "gallery"):
entries = split[split_name]
line_numbers = [item["line_number"] for item in entries]
id_by_line = {item["line_number"]: item["id"] for item in entries}
txt_path = txt_dir / TXT_FILES[split_name]
lines = read_lines_at(txt_path, line_numbers)
out_dir = source_dir / split_name
print(f"==> [{split_name}] {len(entries)} images -> {out_dir}")
for lineno in sorted(line_numbers):
image_id = id_by_line[lineno]
out_path = out_dir / f"{image_id}.jpg"
if out_path.is_file() and out_path.stat().st_size > MIN_BYTES:
total_skip += 1
continue
record_id, urls = parse_record(lines[lineno])
if record_id != image_id:
raise ValueError(
f"ID mismatch at line {lineno}: split={image_id}, txt={record_id}"
)
used_url = download_image(session, urls, out_path)
if used_url:
total_ok += 1
print(f" ok {split_name}/{image_id}.jpg")
else:
total_fail += 1
msg = (
f"{split_name}; {image_id}; line={lineno}; "
f"failed; urls={urls}; retries={MAX_RETRIES}\n"
)
log_f.write(msg)
print(f" fail {split_name}/{image_id}.jpg (see {log_file})")
time.sleep(random.uniform(0.1, 0.5))
print("==> Download summary")
print(f" downloaded: {total_ok}")
print(f" skipped: {total_skip}")
print(f" failed: {total_fail}")
print(f" log: {log_file}")
if total_fail > 0:
raise SystemExit(1)
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--split-json", type=Path, required=True)
parser.add_argument("--repo-dir", type=Path, required=True)
parser.add_argument("--source-dir", type=Path, required=True)
parser.add_argument("--log-file", type=Path, required=True)
return parser.parse_args()
def main() -> None:
args = parse_args()
download_images(
split_json=args.split_json,
repo_dir=args.repo_dir,
source_dir=args.source_dir,
log_file=args.log_file,
)
if __name__ == "__main__":
main()
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