mirror of
https://github.com/hpcaitech/ColossalAI.git
synced 2025-09-10 05:20:33 +00:00
[misc] update pre-commit and run all files (#4752)
* [misc] update pre-commit * [misc] run pre-commit * [misc] remove useless configuration files * [misc] ignore cuda for clang-format
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@@ -1,28 +1,30 @@
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"""make variations of input image"""
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import argparse, os
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import argparse
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import os
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from contextlib import nullcontext
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from itertools import islice
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import numpy as np
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import PIL
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import torch
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import numpy as np
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from einops import rearrange, repeat
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from omegaconf import OmegaConf
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from PIL import Image
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from tqdm import tqdm, trange
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from itertools import islice
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from einops import rearrange, repeat
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from torchvision.utils import make_grid
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from torch import autocast
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from contextlib import nullcontext
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from torchvision.utils import make_grid
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from tqdm import tqdm, trange
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try:
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from lightning.pytorch import seed_everything
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except:
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from pytorch_lightning import seed_everything
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from imwatermark import WatermarkEncoder
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from scripts.txt2img import put_watermark
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from ldm.util import instantiate_from_config
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from ldm.models.diffusion.ddim import DDIMSampler
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from utils import replace_module, getModelSize
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from ldm.util import instantiate_from_config
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from scripts.txt2img import put_watermark
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from utils import replace_module
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def chunk(it, size):
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@@ -58,7 +60,7 @@ def load_img(path):
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image = np.array(image).astype(np.float32) / 255.0
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image = image[None].transpose(0, 3, 1, 2)
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image = torch.from_numpy(image)
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return 2. * image - 1.
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return 2.0 * image - 1.0
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def main():
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@@ -69,22 +71,13 @@ def main():
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type=str,
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nargs="?",
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default="a painting of a virus monster playing guitar",
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help="the prompt to render"
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help="the prompt to render",
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)
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parser.add_argument(
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"--init-img",
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type=str,
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nargs="?",
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help="path to the input image"
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)
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parser.add_argument("--init-img", type=str, nargs="?", help="path to the input image")
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parser.add_argument(
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"--outdir",
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type=str,
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nargs="?",
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help="dir to write results to",
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default="outputs/img2img-samples"
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"--outdir", type=str, nargs="?", help="dir to write results to", default="outputs/img2img-samples"
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)
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parser.add_argument(
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@@ -96,7 +89,7 @@ def main():
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parser.add_argument(
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"--fixed_code",
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action='store_true',
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action="store_true",
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help="if enabled, uses the same starting code across all samples ",
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)
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@@ -177,11 +170,7 @@ def main():
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help="the seed (for reproducible sampling)",
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)
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parser.add_argument(
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"--precision",
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type=str,
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help="evaluate at this precision",
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choices=["full", "autocast"],
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default="autocast"
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"--precision", type=str, help="evaluate at this precision", choices=["full", "autocast"], default="autocast"
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)
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parser.add_argument(
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"--use_int8",
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@@ -204,7 +193,7 @@ def main():
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model = replace_module(model)
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# # to compute the model size
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# getModelSize(model)
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sampler = DDIMSampler(model)
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os.makedirs(opt.outdir, exist_ok=True)
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@@ -213,7 +202,7 @@ def main():
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print("Creating invisible watermark encoder (see https://github.com/ShieldMnt/invisible-watermark)...")
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wm = "SDV2"
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wm_encoder = WatermarkEncoder()
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wm_encoder.set_watermark('bytes', wm.encode('utf-8'))
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wm_encoder.set_watermark("bytes", wm.encode("utf-8"))
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batch_size = opt.n_samples
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n_rows = opt.n_rows if opt.n_rows > 0 else batch_size
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@@ -235,12 +224,12 @@ def main():
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assert os.path.isfile(opt.init_img)
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init_image = load_img(opt.init_img).to(device)
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init_image = repeat(init_image, '1 ... -> b ...', b=batch_size)
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init_image = repeat(init_image, "1 ... -> b ...", b=batch_size)
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init_latent = model.get_first_stage_encoding(model.encode_first_stage(init_image)) # move to latent space
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sampler.make_schedule(ddim_num_steps=opt.ddim_steps, ddim_eta=opt.ddim_eta, verbose=False)
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assert 0. <= opt.strength <= 1., 'can only work with strength in [0.0, 1.0]'
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assert 0.0 <= opt.strength <= 1.0, "can only work with strength in [0.0, 1.0]"
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t_enc = int(opt.strength * opt.ddim_steps)
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print(f"target t_enc is {t_enc} steps")
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@@ -261,14 +250,19 @@ def main():
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# encode (scaled latent)
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z_enc = sampler.stochastic_encode(init_latent, torch.tensor([t_enc] * batch_size).to(device))
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# decode it
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samples = sampler.decode(z_enc, c, t_enc, unconditional_guidance_scale=opt.scale,
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unconditional_conditioning=uc, )
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samples = sampler.decode(
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z_enc,
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c,
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t_enc,
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unconditional_guidance_scale=opt.scale,
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unconditional_conditioning=uc,
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)
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x_samples = model.decode_first_stage(samples)
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x_samples = torch.clamp((x_samples + 1.0) / 2.0, min=0.0, max=1.0)
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for x_sample in x_samples:
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x_sample = 255. * rearrange(x_sample.cpu().numpy(), 'c h w -> h w c')
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x_sample = 255.0 * rearrange(x_sample.cpu().numpy(), "c h w -> h w c")
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img = Image.fromarray(x_sample.astype(np.uint8))
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img = put_watermark(img, wm_encoder)
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img.save(os.path.join(sample_path, f"{base_count:05}.png"))
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@@ -277,14 +271,14 @@ def main():
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# additionally, save as grid
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grid = torch.stack(all_samples, 0)
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grid = rearrange(grid, 'n b c h w -> (n b) c h w')
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grid = rearrange(grid, "n b c h w -> (n b) c h w")
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grid = make_grid(grid, nrow=n_rows)
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# to image
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grid = 255. * rearrange(grid, 'c h w -> h w c').cpu().numpy()
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grid = 255.0 * rearrange(grid, "c h w -> h w c").cpu().numpy()
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grid = Image.fromarray(grid.astype(np.uint8))
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grid = put_watermark(grid, wm_encoder)
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grid.save(os.path.join(outpath, f'grid-{grid_count:04}.png'))
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grid.save(os.path.join(outpath, f"grid-{grid_count:04}.png"))
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grid_count += 1
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print(f"Your samples are ready and waiting for you here: \n{outpath} \nEnjoy.")
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