Added custom SD pipeline + euler_a scheduler

1 files changed, 80 insertions, 31 deletions

diff --git a/infer.py b/infer.py
index f2007e9..de3d792 100644
--- a/infer.py
+++ b/infer.py
@@ -1,18 +1,15 @@
 import argparse
 import datetime
+import logging
 from pathlib import Path
 from torch import autocast
-from diffusers import StableDiffusionPipeline
 import torch
 import json
-from diffusers import AutoencoderKL, StableDiffusionPipeline, UNet2DConditionModel, PNDMScheduler
-from transformers import CLIPTextModel, CLIPTokenizer, CLIPFeatureExtractor
+from diffusers import StableDiffusionPipeline, AutoencoderKL, UNet2DConditionModel, PNDMScheduler, DDIMScheduler, LMSDiscreteScheduler
+from transformers import CLIPModel, CLIPTextModel, CLIPTokenizer, CLIPFeatureExtractor
 from slugify import slugify
-from pipelines.stable_diffusion.no_check import NoCheck
-
-model_id = "path-to-your-trained-model"
-
-prompt = "A photo of sks dog in a bucket"
+from pipelines.stable_diffusion.clip_guided_stable_diffusion import CLIPGuidedStableDiffusion
+from schedulers.scheduling_euler_a import EulerAScheduler
 
 
 def parse_args():
@@ -30,6 +27,21 @@ def parse_args():
         default=None,
     )
     parser.add_argument(
+        "--negative_prompt",
+        type=str,
+        default=None,
+    )
+    parser.add_argument(
+        "--width",
+        type=int,
+        default=512,
+    )
+    parser.add_argument(
+        "--height",
+        type=int,
+        default=512,
+    )
+    parser.add_argument(
         "--batch_size",
         type=int,
         default=1,
@@ -42,17 +54,28 @@ def parse_args():
     parser.add_argument(
         "--steps",
         type=int,
-        default=80,
+        default=120,
     )
     parser.add_argument(
-        "--scale",
+        "--scheduler",
+        type=str,
+        choices=["plms", "ddim", "klms", "euler_a"],
+        default="euler_a",
+    )
+    parser.add_argument(
+        "--guidance_scale",
         type=int,
         default=7.5,
     )
     parser.add_argument(
+        "--clip_guidance_scale",
+        type=int,
+        default=100,
+    )
+    parser.add_argument(
         "--seed",
         type=int,
-        default=None,
+        default=torch.random.seed(),
     )
     parser.add_argument(
         "--output_dir",
@@ -81,31 +104,39 @@ def save_args(basepath, args, extra={}):
         json.dump(info, f, indent=4)
 
 
-def main():
-    args = parse_args()
-
-    seed = args.seed or torch.random.seed()
-
-    now = datetime.datetime.now().strftime("%Y-%m-%dT%H-%M-%S")
-    output_dir = Path(args.output_dir).joinpath(f"{now}_{slugify(args.prompt)[:100]}")
-    output_dir.mkdir(parents=True, exist_ok=True)
-    save_args(output_dir, args)
-
+def gen(args, output_dir):
     tokenizer = CLIPTokenizer.from_pretrained(args.model + '/tokenizer', torch_dtype=torch.bfloat16)
     text_encoder = CLIPTextModel.from_pretrained(args.model + '/text_encoder', torch_dtype=torch.bfloat16)
+    clip_model = CLIPModel.from_pretrained("laion/CLIP-ViT-B-32-laion2B-s34B-b79K", torch_dtype=torch.bfloat16)
     vae = AutoencoderKL.from_pretrained(args.model + '/vae', torch_dtype=torch.bfloat16)
     unet = UNet2DConditionModel.from_pretrained(args.model + '/unet', torch_dtype=torch.bfloat16)
-    feature_extractor = CLIPFeatureExtractor.from_pretrained("openai/clip-vit-base-patch32", torch_dtype=torch.bfloat16)
+    feature_extractor = CLIPFeatureExtractor.from_pretrained(
+        "laion/CLIP-ViT-B-32-laion2B-s34B-b79K", torch_dtype=torch.bfloat16)
 
-    pipeline = StableDiffusionPipeline(
+    if args.scheduler == "plms":
+        scheduler = PNDMScheduler(
+            beta_start=0.00085, beta_end=0.012, beta_schedule="scaled_linear", skip_prk_steps=True
+        )
+    elif args.scheduler == "klms":
+        scheduler = LMSDiscreteScheduler(
+            beta_start=0.00085, beta_end=0.012, beta_schedule="scaled_linear"
+        )
+    elif args.scheduler == "ddim":
+        scheduler = DDIMScheduler(
+            beta_start=0.00085, beta_end=0.012, beta_schedule="scaled_linear", clip_sample=False, set_alpha_to_one=False
+        )
+    else:
+        scheduler = EulerAScheduler(
+            beta_start=0.00085, beta_end=0.012, beta_schedule="scaled_linear", clip_sample=False, set_alpha_to_one=False
+        )
+
+    pipeline = CLIPGuidedStableDiffusion(
         text_encoder=text_encoder,
         vae=vae,
         unet=unet,
         tokenizer=tokenizer,
-        scheduler=PNDMScheduler(
-            beta_start=0.00085, beta_end=0.012, beta_schedule="scaled_linear", skip_prk_steps=True
-        ),
-        safety_checker=NoCheck(),
+        clip_model=clip_model,
+        scheduler=scheduler,
         feature_extractor=feature_extractor
     )
     pipeline.enable_attention_slicing()
@@ -113,16 +144,34 @@ def main():
 
     with autocast("cuda"):
         for i in range(args.batch_num):
-            generator = torch.Generator(device="cuda").manual_seed(seed + i)
+            generator = torch.Generator(device="cuda").manual_seed(args.seed + i)
             images = pipeline(
-                [args.prompt] * args.batch_size,
+                prompt=[args.prompt] * args.batch_size,
+                height=args.height,
+                width=args.width,
+                negative_prompt=args.negative_prompt,
                 num_inference_steps=args.steps,
-                guidance_scale=args.scale,
+                guidance_scale=args.guidance_scale,
+                clip_guidance_scale=args.clip_guidance_scale,
                 generator=generator,
             ).images
 
             for j, image in enumerate(images):
-                image.save(output_dir.joinpath(f"{seed + i}_{j}.jpg"))
+                image.save(output_dir.joinpath(f"{args.seed + i}_{j}.jpg"))
+
+
+def main():
+    args = parse_args()
+
+    now = datetime.datetime.now().strftime("%Y-%m-%dT%H-%M-%S")
+    output_dir = Path(args.output_dir).joinpath(f"{now}_{slugify(args.prompt)[:100]}")
+    output_dir.mkdir(parents=True, exist_ok=True)
+
+    save_args(output_dir, args)
+
+    logging.basicConfig(filename=output_dir.joinpath("log.txt"), level=logging.DEBUG)
+
+    gen(args, output_dir)
 
 
 if __name__ == "__main__":