Wan2.6: Image 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({
    "41": {
        "class_type": "WanImageToVideoApi",
        "inputs": {
            "duration": 5,
            "generate_audio": True,
            "image": [
                "42",
                0
            ],
            "model": "wan2.6-i2v",
            "negative_prompt": "low quality, blurry, out of focus, jittery camera, excessive shake, warped car body, deformed wheels, extra wheels, bad reflections, artifacts, banding, flicker, text, watermark, logo, oversaturated, noisy",
            "prompt": "The black stallion walks along the volcanic black sand toward the right of the frame, its tangled mane and tail whipping in the freezing gale, hooves pressing into the wet sand and splashing through a thin sheet of tidal wash. A wave breaks behind it and a broad sheet of white foam races up the shore around its legs; the horse tosses its head and quickens into a trot. The camera tracks alongside at hip height, then slowly pushes in and arcs around toward the horse's shoulder as fog drifts low across the water and spray hangs in the cold blue twilight air. Sound: roaring surf, wind gusts, the wet thud of hooves and a low snort.",
            "prompt_extend": True,
            "resolution": "720P",
            "seed": 212259147,
            "shot_type": "single",
            "watermark": False
        },
        "_meta": {
            "title": "Wan Image to Video"
        }
    },
    "42": {
        "class_type": "LoadImage",
        "inputs": {
            "image": "UPLOADED_image_FILENAME"
        },
        "_meta": {
            "title": "Load Image"
        }
    },
    "43": {
        "class_type": "SaveVideo",
        "inputs": {
            "filename_prefix": "video/wan_2.6",
            "format": "auto",
            "format.codec": "auto",
            "video": [
                "41",
                0
            ]
        },
        "_meta": {
            "title": "Save Video"
        }
    }
})
workflow.set_input("42", "image", client.assets.from_url("https://comfy.org/catalog-media/c35ffe8b-958c-4f69-8764-0d75a4e223e7/f5a701f6-6a4b-4255-a74a-16a81ed4ff5f"))

# run() also passes api_key to the partner nodes in this workflow.
job = client.run(workflow, api_key=api_key)
for output in job.get_outputs("43"):
    output.to_file(output.name)