Wan2.5: 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({
    "2": {
        "class_type": "WanTextToVideoApi",
        "inputs": {
            "duration": 5,
            "generate_audio": True,
            "model": "wan2.5-t2v-preview",
            "negative_prompt": "",
            "prompt": "In a dimly lit room, the detective sits at his desk and opens the file bag. The moment he sees the contents of the file clearly, the camera zooms in for a close-up, showing his pupils constricting by 30% and his expression turning tense.",
            "prompt_extend": True,
            "seed": 1270503237,
            "shot_type": "single",
            "size": "1080p: 16:9 (1920x1080)",
            "watermark": False
        },
        "_meta": {
            "title": "Wan Text to Video"
        }
    },
    "3": {
        "class_type": "LoadAudio",
        "inputs": {
            "audio": "audio_ace_step_1_m2m_editing_input_audio.mp3"
        },
        "_meta": {
            "title": "Load Audio"
        }
    },
    "7": {
        "class_type": "SaveVideo",
        "inputs": {
            "filename_prefix": "video/Wan2.5",
            "format": "auto",
            "format.codec": "auto",
            "video": [
                "2",
                0
            ]
        },
        "_meta": {
            "title": "Save Video"
        }
    }
})

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