ByteDance: Seedance 1.0 Lite Text-to-Video

set -eu
: "${AILOOT_API_KEY:?Set your Ailoot API key}"
cat > request.json <<'JSON_REQUEST'
{"model":"doubao-seedance-1-0-lite-t2v-250428","content":[{"type":"text","text":"女孩抱着狐狸，女孩睁开眼，温柔地看向镜头，狐狸友善地抱着，镜头缓缓拉出，女孩的头发被风吹动"}],"resolution":"480p","ratio":"1:1","duration":5,"service_tier":"default","seed":-1,"camerafixed":false,"watermark":false,"execution_expires_after":172800}
JSON_REQUEST
curl --fail-with-body --silent --show-error https://api.ailoot.ai/v1/videos \
  -H "Authorization: Bearer $AILOOT_API_KEY" -H 'Content-Type: application/json' \
  --data-binary @request.json -D response-headers.txt -o result.json

set -eu
: "${AILOOT_API_KEY:?Set your Ailoot API key}"
python3 - <<'PY_POLL'
import json
from pathlib import Path
from urllib.parse import quote,urljoin,urlsplit
r=json.loads(Path("result.json").read_text())
i=r.get("id")
if not isinstance(i,str) or not i.startswith("native302_"):raise SystemExit("Keep original response/headers/id; do not resubmit creation.")
u=urljoin("https://api.ailoot.ai",r.get("polling_url") or "/v1/videos/"+quote(i,safe=""))
p=urlsplit(u)
if p.scheme!="https" or p.netloc!="api.ailoot.ai" or not p.path.startswith("/v1/videos/"):raise SystemExit("Use actual Ailoot lookup path.")
Path("poll-url.txt").write_text(u)
PY_POLL
curl --fail-with-body --silent --show-error "$(cat poll-url.txt)" -H "Authorization: Bearer $AILOOT_API_KEY" -D status-headers.txt -o status.json

set -eu
python3 - <<'PY_ASSETS'
import json
from pathlib import Path
from urllib.parse import urlsplit
r=json.loads(Path("status.json").read_text())
if r.get("status")!="succeeded":raise SystemExit("Poll same original job until an owned result is returned.")
u=r.get("content",{}).get("video_url")
urls=[u] if isinstance(u,str) else u
if not isinstance(urls,list) or not urls:raise SystemExit("No completed video URL.")
for u in urls:
    if not isinstance(u,str):raise SystemExit("Invalid returned URL.")
    p=urlsplit(u)
    if p.scheme!="https" or p.netloc!="api.ailoot.ai" or not p.path.startswith("/v1/media/assets/") or not p.path.endswith("/content") or not p.query:raise SystemExit("Wait for actual Ailoot-owned signed result.")
Path("asset-urls.txt").write_text("\n".join(urls)+"\n")
PY_ASSETS
index=0
while IFS= read -r asset_url; do
  curl --fail-with-body --silent --show-error "$asset_url" -o "video-${index}.bin"
  index=$((index + 1))
done < asset-urls.txt