Blob チャンクアップロードのパート送信

curl --request PUT \
  --url 'https://blob.squarecloud.app/v1/objects/chunked?upload=UPLOAD_TOKEN&part=1' \
  --header 'Authorization: YOUR_API_KEY' \
  --header 'Content-Type: application/octet-stream' \
  --data-binary '@./chunk-1.bin'

const PART_SIZE = 16 * 1024 * 1024;
const total = Math.ceil(file.size / PART_SIZE);

async function sendPart(n) {
  const body = file.slice((n - 1) * PART_SIZE, n * PART_SIZE);
  const params = new URLSearchParams({ upload: uploadToken, part: String(n) });
  const res = await fetch(`https://blob.squarecloud.app/v1/objects/chunked?${params}`, {
    method: 'PUT',
    headers: { Authorization: 'YOUR_API_KEY', 'Content-Type': 'application/octet-stream' },
    body,
  });
  if (res.status === 429 || res.status >= 500) return sendPart(n); // add a backoff in production
  if (!res.ok) throw new Error((await res.json()).code);
}

// 6 workers, each taking the next part number
let next = 1;
await Promise.all(Array.from({ length: 6 }, async () => {
  while (next <= total) await sendPart(next++);
}));

import requests

with open('./bigfile.bin', 'rb') as f:
    chunk = f.read(16 * 1024 * 1024)

response = requests.put(
    'https://blob.squarecloud.app/v1/objects/chunked',
    headers={'Authorization': 'YOUR_API_KEY', 'Content-Type': 'application/octet-stream'},
    params={'upload': upload_token, 'part': 1},
    data=chunk,
)