Update app.py

This commit is contained in:
sigma
2026-01-04 22:34:24 +00:00
committed by system
parent 9f0cc27d9f
commit 19cfc51ab1

89
app.py
View File

@@ -234,20 +234,89 @@ scheduler_config = {
scheduler = FlowMatchEulerDiscreteScheduler.from_config(scheduler_config)
# Load the model pipeline
pipe = QwenImageEditPlusPipeline.from_pretrained("Qwen/Qwen-Image-Edit-2511",
scheduler=scheduler,
torch_dtype=dtype).to(device)
from safetensors.torch import load_file
from huggingface_hub import hf_hub_download
import torch.nn.functional as F
# --- 1. setup pipeline with lightning (this works fine) ---
pipe = QwenImageEditPlusPipeline.from_pretrained(
"Qwen/Qwen-Image-Edit-2511",
scheduler=scheduler,
torch_dtype=dtype
).to(device)
print("loading lightning lora...")
pipe.load_lora_weights(
"lightx2v/Qwen-Image-Edit-2511-Lightning",
weight_name="Qwen-Image-Edit-2511-Lightning-4steps-V1.0-bf16.safetensors"
"lightx2v/Qwen-Image-Edit-2511-Lightning",
weight_name="Qwen-Image-Edit-2511-Lightning-4steps-V1.0-bf16.safetensors"
)
pipe.fuse_lora()
print("lightning lora fused.")
pipe.load_lora_weights(
"headlesssetton/kjfakjf",
weight_name="Qwen_Snofs_1_2.safetensors"
)
pipe.fuse_lora(lora_scale=1.0)
# --- 2. manual surgery for lokr (snofs) ---
print("attempting manual lokr injection for snofs...")
try:
# download the file directly
lora_path = hf_hub_download(repo_id="headlesssetton/kjfakjf", filename="Qwen_Snofs_1_2.safetensors")
state_dict = load_file(lora_path)
# lokr injection parameters
lokr_scale = 1.0 # adjust strength here
# iterate and merge
updates = 0
with torch.no_grad():
# group keys by layer prefix
prefixes = set()
for key in state_dict.keys():
if "lokr_w1" in key:
prefixes.add(key.replace(".lokr_w1", ""))
for prefix in prefixes:
# extract weights
w1 = state_dict[f"{prefix}.lokr_w1"].to(device, dtype=dtype)
w2 = state_dict[f"{prefix}.lokr_w2"].to(device, dtype=dtype)
alpha = state_dict.get(f"{prefix}.alpha", None)
# calculate scaling
# lokr usually uses alpha / sqrt(rank) or similar, but often just alpha is enough
# if alpha is present, scale = alpha / w1.shape[0] (or similar convention)
# here we will assume simple multiplication or alpha scaling if provided
scale = lokr_scale
if alpha is not None:
scale *= (alpha / w1.shape[0]) # standard lora scaling convention, might vary for lokr
# compute delta: kronecker product
# w1: (a, b), w2: (c, d) -> result: (a*c, b*d)
# torch.kron is (a*c, b*d)
delta = torch.kron(w1, w2) * scale
# find target layer in model
# prefix example: "transformer_blocks.0.attn.add_k_proj"
# pipe.transformer matches this structure directly
path_parts = prefix.split('.')
target = pipe.transformer
try:
for part in path_parts:
target = getattr(target, part)
# check shapes
if target.weight.shape == delta.shape:
target.weight.add_(delta) # in-place merge
updates += 1
else:
print(f"shape mismatch for {prefix}: model {target.weight.shape} vs lora {delta.shape}")
except AttributeError:
print(f"layer not found: {prefix}")
print(f"successfully injected {updates} lokr layers manually.")
except Exception as e:
print(f"lokr injection failed: {e}")
print("running with lightning lora only.")
# --- end of surgery ---
# # Apply the same optimizations from the first version
# pipe.transformer.__class__ = QwenImageTransformer2DModel