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lahrcarpetcleaning.com/tools/wan-test-v2.py
T
2026-05-16 19:45:58 +02:00

126 lines
5.1 KiB
Python

"""Single test clip — corrected WanImageToVideo workflow."""
import json, time, urllib.request, os, random
COMFY = "http://localhost:8188"
IMAGE_PATH = "assets/images/hero/hero-carpet-cleaning.webp"
OUT_DIR = "assets/videos/clips"
os.makedirs(OUT_DIR, exist_ok=True)
def upload_image(image_path):
fname = os.path.basename(image_path)
with open(image_path, "rb") as f:
img_data = f.read()
boundary = "----FormBoundary123456"
body = (
f"--{boundary}\r\n"
f'Content-Disposition: form-data; name="image"; filename="{fname}"\r\n'
f"Content-Type: image/webp\r\n\r\n"
).encode() + img_data + f"\r\n--{boundary}--\r\n".encode()
req = urllib.request.Request(
f"{COMFY}/upload/image", data=body,
headers={"Content-Type": f"multipart/form-data; boundary={boundary}"},
)
with urllib.request.urlopen(req) as resp:
result = json.loads(resp.read())
print(f" uploaded: {result['name']}")
return result["name"]
def build_workflow(image_name, prompt, frames=25):
# WanImageToVideo is a conditioning node, NOT a sampler.
# outputs: [0]=positive CONDITIONING, [1]=negative CONDITIONING, [2]=latent LATENT
# start_image is optional IMAGE — anchors first frame.
return {
"1": {"class_type": "UnetLoaderGGUF", "inputs": {"unet_name": "Wan2.2-TI2V-5B-Q4_K_M.gguf"}},
"2": {"class_type": "CLIPLoader", "inputs": {"clip_name": "umt5_xxl_fp8_e4m3fn_scaled.safetensors", "type": "wan"}},
"3": {"class_type": "VAELoader", "inputs": {"vae_name": "wan_2.1_vae.safetensors"}},
"4": {"class_type": "LoadImage", "inputs": {"image": image_name}},
"5": {"class_type": "CLIPTextEncode", "inputs": {"clip": ["2", 0], "text": prompt}},
"6": {"class_type": "CLIPTextEncode", "inputs": {"clip": ["2", 0], "text": "blur, low quality, distortion, text, watermark, people, jitter"}},
"7": {
"class_type": "WanImageToVideo",
"inputs": {
"positive": ["5", 0],
"negative": ["6", 0],
"vae": ["3", 0],
"start_image": ["4", 0],
"width": 832, "height": 480, "length": frames, "batch_size": 1,
},
},
"8": {
"class_type": "KSampler",
"inputs": {
"model": ["1", 0],
"positive": ["7", 0],
"negative": ["7", 1],
"latent_image": ["7", 2],
"seed": 42, "steps": 20, "cfg": 6.0,
"sampler_name": "uni_pc", "scheduler": "simple", "denoise": 1.0,
},
},
# VAEDecodeTiled handles video (5D) latents — VAEDecode only handles images (4D)
"9": {"class_type": "VAEDecodeTiled", "inputs": {"samples": ["8", 0], "vae": ["3", 0], "tile_size": 512, "overlap": 64, "temporal_size": 64, "temporal_overlap": 8}},
"10": {
"class_type": "SaveAnimatedWEBP",
"inputs": {"images": ["9", 0], "filename_prefix": "wan_test", "fps": 12, "lossless": False, "quality": 85, "method": "default"},
},
}
def queue_prompt(workflow):
data = json.dumps({"prompt": workflow}).encode()
req = urllib.request.Request(f"{COMFY}/prompt", data=data, headers={"Content-Type": "application/json"})
with urllib.request.urlopen(req) as resp:
return json.loads(resp.read())["prompt_id"]
def wait_for_result(prompt_id, timeout=1800):
start = time.time()
while time.time() - start < timeout:
with urllib.request.urlopen(f"{COMFY}/history/{prompt_id}") as resp:
hist = json.loads(resp.read())
if prompt_id in hist:
entry = hist[prompt_id]
if entry.get("status", {}).get("status_str") == "error":
print(f" ERROR: {entry['status'].get('messages', '')}")
return None
for node_out in entry.get("outputs", {}).values():
if "gifs" in node_out:
return node_out["gifs"]
if "images" in node_out:
return node_out["images"]
elapsed = int(time.time() - start)
print(f" waiting... {elapsed}s", flush=True)
time.sleep(15)
return None
def download_output(vid_info, out_path):
fname = vid_info["filename"]
subfolder = vid_info.get("subfolder", "")
img_type = vid_info.get("type", "output")
url = f"{COMFY}/view?filename={fname}&subfolder={subfolder}&type={img_type}"
with urllib.request.urlopen(url) as resp:
data = resp.read()
with open(out_path, "wb") as f:
f.write(data)
print(f" saved: {out_path} ({len(data)//1024}KB)")
print("[TEST v2] WanImageToVideo → KSampler → VAEDecode → SaveAnimatedWEBP")
image_name = upload_image(IMAGE_PATH)
workflow = build_workflow(
image_name,
"slow dolly forward across clean plush cream carpet, gentle camera push toward the far wall, warm afternoon light, cinematic smooth motion",
frames=9,
)
prompt_id = queue_prompt(workflow)
print(f" queued: {prompt_id}")
results = wait_for_result(prompt_id)
if results:
download_output(results[0], f"{OUT_DIR}/test-clip-01.webp")
print("SUCCESS")
else:
print("FAILED")