Vidu Q2: Text to Video

# Python 3.10+: pip install comfy-sdk==0.4.0
import os

from comfy_sdk import Comfy

api_key = os.environ.get("COMFY_API_KEY", "").strip()
if not api_key: raise RuntimeError("Set COMFY_API_KEY")
os.environ.setdefault("COMFY_BASE_URL", "https://cloud.comfy.org")
client = Comfy(api_key=api_key)
workflow = client.workflows.from_json({
    "37": {
        "class_type": "SaveVideo",
        "inputs": {
            "filename_prefix": "video/vidu_q2_t2v",
            "format": "auto",
            "format.codec": "auto",
            "video": [
                "38",
                0
            ]
        },
        "_meta": {
            "title": "Save Video"
        }
    },
    "38": {
        "class_type": "Vidu2TextToVideoNode",
        "inputs": {
            "aspect_ratio": "16:9",
            "background_music": False,
            "duration": 5,
            "model": "viduq2",
            "prompt": "An elderly woman receives an unexpected letter from home. Her hands tremble as she opens the envelope. Mid-way through reading, her lips twitch into a faint smile, then her eyes well up with tears, expressing a sense of profound relief and bittersweet joy. Cinematic lighting, 8k, emotional storytelling.",
            "resolution": "720p",
            "seed": 394998867
        },
        "_meta": {
            "title": "Vidu2 Text-to-Video Generation"
        }
    }
})

# run() also passes api_key to the partner nodes in this workflow.
job = client.run(workflow, api_key=api_key)