Upscale an illustration

# 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({
    "1": {
        "class_type": "TopazImageEnhance",
        "inputs": {
            "color_preservation": True,
            "creativity": 2,
            "crop_to_fill": False,
            "face_enhancement": False,
            "face_enhancement_creativity": 0,
            "face_enhancement_strength": 1,
            "face_preservation": False,
            "image": [
                "5",
                0
            ],
            "model": "Reimagine",
            "output_height": [
                "3",
                1
            ],
            "output_width": [
                "3",
                0
            ],
            "prompt": "",
            "subject_detection": "All"
        },
        "_meta": {
            "title": "Topaz Image Enhance (Legacy)"
        }
    },
    "2": {
        "class_type": "ImageScaleBy",
        "inputs": {
            "image": [
                "5",
                0
            ],
            "scale_by": 4,
            "upscale_method": "lanczos"
        },
        "_meta": {
            "title": "Upscale Image By"
        }
    },
    "3": {
        "class_type": "GetImageSize",
        "inputs": {
            "image": [
                "2",
                0
            ]
        },
        "_meta": {
            "title": "Get Image Size"
        }
    },
    "4": {
        "class_type": "SaveImage",
        "inputs": {
            "filename_prefix": "",
            "images": [
                "1",
                0
            ]
        },
        "_meta": {
            "title": "Save Image"
        }
    },
    "5": {
        "class_type": "LoadImage",
        "inputs": {
            "image": "UPLOADED_image_FILENAME"
        },
        "_meta": {
            "title": "Load Image"
        }
    }
})
workflow.set_input("5", "image", client.assets.from_url("https://cdn.jsdelivr.net/gh/Comfy-Org/workflow_templates@90c71fb78b3726392d010ff62a8e79e92d7296ad/input/silent_sanctuary.jpg"))

# 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("4"):
    output.to_file(output.name)