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Ltx-3
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import json
from urllib import request

#This is the ComfyUI api prompt format.

#If you want it for a specific workflow you can "File -> Export (API)" in the interface.

#this is the one for the default workflow
prompt_text = """
{
    "3": {
        "class_type": "KSampler",
        "inputs": {
            "cfg": 8,
            "denoise": 1,
            "latent_image": [
                "5",
                0
            ],
            "model": [
                "4",
                0
            ],
            "negative": [
                "7",
                0
            ],
            "positive": [
                "6",
                0
            ],
            "sampler_name": "euler",
            "scheduler": "normal",
            "seed": 8566257,
            "steps": 20
        }
    },
    "4": {
        "class_type": "CheckpointLoaderSimple",
        "inputs": {
            "ckpt_name": "v1-5-pruned-emaonly.safetensors"
        }
    },
    "5": {
        "class_type": "EmptyLatentImage",
        "inputs": {
            "batch_size": 1,
            "height": 512,
            "width": 512
        }
    },
    "6": {
        "class_type": "CLIPTextEncode",
        "inputs": {
            "clip": [
                "4",
                1
            ],
            "text": "masterpiece best quality girl"
        }
    },
    "7": {
        "class_type": "CLIPTextEncode",
        "inputs": {
            "clip": [
                "4",
                1
            ],
            "text": "bad hands"
        }
    },
    "8": {
        "class_type": "VAEDecode",
        "inputs": {
            "samples": [
                "3",
                0
            ],
            "vae": [
                "4",
                2
            ]
        }
    },
    "9": {
        "class_type": "SaveImage",
        "inputs": {
            "filename_prefix": "ComfyUI",
            "images": [
                "8",
                0
            ]
        }
    }
}
"""

def queue_prompt(prompt):
    p = {"prompt": prompt}

    # If the workflow contains API nodes, you can add a Comfy API key to the `extra_data`` field of the payload.
    # p["extra_data"] = {
    #     "api_key_comfy_org": "comfyui-87d01e28d*******************************************************"  # replace with real key
    # }
    # See: https://docs.comfy.org/tutorials/api-nodes/overview
    # Generate a key here: https://platform.comfy.org/login

    data = json.dumps(p).encode('utf-8')
    req =  request.Request("http://127.0.0.1:8188/prompt", data=data)
    request.urlopen(req)


prompt = json.loads(prompt_text)
#set the text prompt for our positive CLIPTextEncode
prompt["6"]["inputs"]["text"] = "masterpiece best quality man"

#set the seed for our KSampler node
prompt["3"]["inputs"]["seed"] = 5


queue_prompt(prompt)