From 7ccd4614a56cfd6ecacba85605f338593f1059f0 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Tue, 7 Feb 2023 20:44:43 +0100
Subject: Add Lora

---
 infer.py | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

(limited to 'infer.py')

diff --git a/infer.py b/infer.py
index 2b07b21..42b4e2d 100644
--- a/infer.py
+++ b/infer.py
@@ -39,7 +39,8 @@ torch.backends.cudnn.benchmark = True
 default_args = {
     "model": "stabilityai/stable-diffusion-2-1",
     "precision": "fp32",
-    "ti_embeddings_dir": "embeddings",
+    "ti_embeddings_dir": "embeddings_ti",
+    "lora_embeddings_dir": "embeddings_lora",
     "output_dir": "output/inference",
     "config": None,
 }
@@ -60,6 +61,7 @@ default_cmds = {
     "batch_num": 1,
     "steps": 30,
     "guidance_scale": 7.0,
+    "lora_scale": 0.5,
     "seed": None,
     "config": None,
 }
@@ -91,6 +93,10 @@ def create_args_parser():
         "--ti_embeddings_dir",
         type=str,
     )
+    parser.add_argument(
+        "--lora_embeddings_dir",
+        type=str,
+    )
     parser.add_argument(
         "--output_dir",
         type=str,
@@ -168,6 +174,10 @@ def create_cmd_parser():
         "--guidance_scale",
         type=float,
     )
+    parser.add_argument(
+        "--lora_scale",
+        type=float,
+    )
     parser.add_argument(
         "--seed",
         type=int,
@@ -315,6 +325,7 @@ def generate(output_dir: Path, pipeline, args):
             generator=generator,
             image=init_image,
             strength=args.image_noise,
+            cross_attention_kwargs={"scale": args.lora_scale},
         ).images
 
         for j, image in enumerate(images):
@@ -334,11 +345,12 @@ class CmdParse(cmd.Cmd):
     prompt = 'dream> '
     commands = []
 
-    def __init__(self, output_dir, ti_embeddings_dir, pipeline, parser):
+    def __init__(self, output_dir, ti_embeddings_dir, lora_embeddings_dir, pipeline, parser):
         super().__init__()
 
         self.output_dir = output_dir
         self.ti_embeddings_dir = ti_embeddings_dir
+        self.lora_embeddings_dir = lora_embeddings_dir
         self.pipeline = pipeline
         self.parser = parser
 
@@ -394,9 +406,12 @@ def main():
     dtype = {"fp32": torch.float32, "fp16": torch.float16, "bf16": torch.bfloat16}[args.precision]
 
     pipeline = create_pipeline(args.model, dtype)
+
     load_embeddings(pipeline, args.ti_embeddings_dir)
+    pipeline.unet.load_attn_procs(args.lora_embeddings_dir)
+
     cmd_parser = create_cmd_parser()
-    cmd_prompt = CmdParse(output_dir, args.ti_embeddings_dir, pipeline, cmd_parser)
+    cmd_prompt = CmdParse(output_dir, args.ti_embeddings_dir, args.lora_embeddings_dir, pipeline, cmd_parser)
     cmd_prompt.cmdloop()
 
 
-- 
cgit v1.2.3-54-g00ecf