Video creation
as code.

# Request a presigned upload URL
resp = requests.post(
    f"{BASE}/users/assets/upload_urls",
    headers={"x-api-key": API_KEY},
    json=[{
        "file_type": "video",
        "content_length": os.path.getsize(path),
        "source_file": {"title": "interview.mp4"},
    }],
)
upload = resp.json()[0]

# PUT the file directly to the presigned URL
with open(path, "rb") as f:
    requests.put(upload["presigned_put_url"], data=f)

asset_id = upload["asset_id"]

# Start an agent edit — returns an SSE stream
prompt = (
    f"Using asset {asset_id}: cut the best 60s "
    "and add a title card at the start."
)

response = requests.get(
    f"{BASE}/create",
    params={"prompt": prompt},
    headers={"x-api-key": API_KEY},
    stream=True,
)

# Consume the SSE stream: status, preview link, final result
for event in SSEClient(response).events():
    if event.event != "tellers.json_result":
        continue

    data = json.loads(event.data)
    print(data["status"], data.get("message"))

    if data["status"] == "done":
        preview_url = data["preview_url"]
        timeline_id = data["timeline_id"]
        break

# Open the instant preview in the Tellers Player
webbrowser.open(preview_url)

# Trigger the final render when you're happy with the edit
requests.post(
    f"{BASE}/renders",
    headers={"x-api-key": API_KEY},
    json={"timeline_id": timeline_id, "quality": "high"},
)