stable-diffusion-webui-comp.../scripts/composable_lora_script.py

72 lines
3.0 KiB
Python

#
# Composable-Diffusion with Lora
#
import torch
import gradio as gr
import composable_lora
import modules.scripts as scripts
from modules import script_callbacks
from modules.processing import StableDiffusionProcessing
def unload():
torch.nn.Linear.forward = torch.nn.Linear_forward_before_lora
torch.nn.Conv2d.forward = torch.nn.Conv2d_forward_before_lora
if not hasattr(torch.nn, 'Linear_forward_before_lora'):
torch.nn.Linear_forward_before_lora = torch.nn.Linear.forward
if not hasattr(torch.nn, 'Conv2d_forward_before_lora'):
torch.nn.Conv2d_forward_before_lora = torch.nn.Conv2d.forward
torch.nn.Linear.forward = composable_lora.lora_Linear_forward
torch.nn.Conv2d.forward = composable_lora.lora_Conv2d_forward
script_callbacks.on_script_unloaded(unload)
class ComposableLoraScript(scripts.Script):
def title(self):
return "Composable Lora"
def show(self, is_img2img):
return scripts.AlwaysVisible
def ui(self, is_img2img):
with gr.Group():
with gr.Accordion("Composable Lora", open=False):
enabled = gr.Checkbox(value=False, label="Enabled")
opt_composable_with_step = gr.Checkbox(value=False, label="Composable LoRA with step")
opt_uc_text_model_encoder = gr.Checkbox(value=False, label="Use Lora in uc text model encoder")
opt_uc_diffusion_model = gr.Checkbox(value=False, label="Use Lora in uc diffusion model")
opt_plot_lora_weight = gr.Checkbox(value=False, label="plot the LoRA weight in all steps")
return [enabled, opt_composable_with_step, opt_uc_text_model_encoder, opt_uc_diffusion_model, opt_plot_lora_weight]
def process(self, p: StableDiffusionProcessing, enabled: bool, opt_composable_with_step: bool, opt_uc_text_model_encoder: bool, opt_uc_diffusion_model: bool, opt_plot_lora_weight: bool):
composable_lora.enabled = enabled
composable_lora.opt_uc_text_model_encoder = opt_uc_text_model_encoder
composable_lora.opt_uc_diffusion_model = opt_uc_diffusion_model
composable_lora.opt_composable_with_step = opt_composable_with_step
composable_lora.opt_plot_lora_weight = opt_plot_lora_weight
composable_lora.num_batches = p.batch_size
composable_lora.num_steps = p.steps
if composable_lora.should_reload() and enabled:
torch.nn.Linear.forward = composable_lora.lora_Linear_forward
torch.nn.Conv2d.forward = composable_lora.lora_Conv2d_forward
composable_lora.reset_step_counters()
prompt = p.all_prompts[0]
composable_lora.load_prompt_loras(prompt)
if opt_composable_with_step:
print("Loading LoRA step controller...")
def process_batch(self, p: StableDiffusionProcessing, *args, **kwargs):
composable_lora.reset_counters()
def postprocess(self, p, processed, *args):
if composable_lora.enabled and composable_lora.opt_plot_lora_weight:
processed.images.extend([composable_lora.plot_lora()])