Files

83 lines
3.0 KiB
Python

import time
from .modelverse_api.client import ModelverseClient
from comfy.comfy_types.node_typing import IO
class Modelverse_WanAIT2V:
def __init__(self):
pass
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"client": ("MODELVERSE_API_CLIENT",),
"prompt": (IO.STRING, {"multiline": True, "default": "a beautiful flower","tooltip": "Text prompt of the image to generate"}),
"negative_prompt": (IO.STRING, {"multiline": True, "default": "low quality","tooltip": "Negative prompt of the image to generate"}),
"resolution": (["720P", "480P"], {"default": "720P"}),
"size": (["1280x720", "720x1280", "832x480", "480x832"], {"default": "1280x720"}),
"seed": (IO.INT, {"default": 0, "min": 0, "max": 2147483647}),
}
}
RETURN_TYPES = (IO.STRING, IO.STRING)
RETURN_NAMES = ("url", "task_id")
FUNCTION = "generate_video"
CATEGORY = "UCLOUD_MODELVERSE/Wan"
def generate_video(self, client, prompt, negative_prompt, resolution, size, seed):
api_key = client.get("api_key")
if not api_key:
raise ValueError("API key is not set in the client")
mv_client = ModelverseClient(api_key)
task_input = {"prompt": prompt}
if negative_prompt:
task_input["negative_prompt"] = negative_prompt
parameters = {
"resolution": resolution,
"size": size,
"seed": seed,
"duration": 5 # Fixed as per documentation
}
# 1. Submit the task
submit_res = mv_client.submit_task("Wan-AI/Wan2.2-T2V", task_input, parameters)
task_id = submit_res.get("output", {}).get("task_id")
if not task_id:
raise Exception(f"Failed to submit task: {submit_res.get('request_id')}")
# 2. Poll for the result
video_url = ""
while True:
status_res = mv_client.get_task_status(task_id)
task_status = status_res.get("output", {}).get("task_status")
if task_status == "Success":
video_url = status_res.get("output", {}).get("urls", [None])[0]
if not video_url:
raise Exception("Task succeeded but no video URL was returned.")
break
elif task_status == "Failure":
error_message = status_res.get("output", {}).get("error_message", "Unknown error")
raise Exception(f"Task failed: {error_message}")
elif task_status in ["Pending", "Running"]:
print(f"Task {task_id} is {task_status}, waiting...")
time.sleep(5) # Wait for 5 seconds before polling again
else:
raise Exception(f"Unknown task status: {task_status}")
return (video_url, task_id)
NODE_CLASS_MAPPINGS = {
"Modelverse_WanAIT2V": Modelverse_WanAIT2V
}
NODE_DISPLAY_NAME_MAPPINGS = {
"Modelverse_WanAIT2V": "Modelverse Wan-AI T2V"
}