Luma: 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({
    "5": {
        "class_type": "LumaImageToVideoNode",
        "inputs": {
            "duration": "5s",
            "first_image": [
                "9",
                0
            ],
            "loop": False,
            "luma_concepts": [
                "24",
                0
            ],
            "model": "ray-2",
            "prompt": "A peach-colored dahlia flower with a green center, in the middle of ona a black background, photographed from a very low angle, shot on a Hasselblad H6D-400c with a Zeiss Milvus 25mm f/8 lens, highly detailed and realistic, in the style of National Geographic photography.",
            "resolution": "720p",
            "seed": 0
        },
        "_meta": {
            "title": "Luma Image to Video"
        }
    },
    "8": {
        "class_type": "SaveVideo",
        "inputs": {
            "filename_prefix": "ComfyUI_video_luma",
            "format": "auto",
            "format.codec": "auto",
            "video": [
                "5",
                0
            ]
        },
        "_meta": {
            "title": "Save Video"
        }
    },
    "9": {
        "class_type": "LoadImage",
        "inputs": {
            "image": "UPLOADED_image_FILENAME"
        },
        "_meta": {
            "title": "first_image"
        }
    },
    "24": {
        "class_type": "LumaConceptsNode",
        "inputs": {
            "concept1": "zoom_in",
            "concept2": "orbit_left",
            "concept3": "None",
            "concept4": "None"
        },
        "_meta": {
            "title": "Luma Concepts"
        }
    }
})
# Replace each example.com URL with a public URL of your file.
workflow.set_input("9", "image", client.assets.from_url("https://example.com/replace-with-a-url/image"))

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