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import argparse, os, sys, glob
import torch
import pickle
import numpy as np
from omegaconf import OmegaConf
from PIL import Image
from tqdm import tqdm, trange
from einops import rearrange
from torchvision.utils import make_grid
from ldm.util import instantiate_from_config
from ldm.models.diffusion.ddim import DDIMSampler
from ldm.models.diffusion.plms import PLMSSampler
def load_model_from_config(config, ckpt, verbose=False):
print(f"Loading model from {ckpt}")
# pl_sd = torch.load(ckpt, map_location="cpu")
pl_sd = torch.load(ckpt)#, map_location="cpu")
sd = pl_sd["state_dict"]
model = instantiate_from_config(config.model)
m, u = model.load_state_dict(sd, strict=False)
if len(m) > 0 and verbose:
print("missing keys:")
print(m)
if len(u) > 0 and verbose:
print("unexpected keys:")
print(u)
model.cuda()
model.eval()
return model
def masking_embed(embedding, levels=1):
"""
size of embedding - nx1xd, n: number of samples, d - 512
replacing the last 128*levels from the embedding
"""
replace_size = 128*levels
random_noise = torch.randn(embedding.shape[0], embedding.shape[1], replace_size)
embedding[:, :, -replace_size:] = random_noise
return embedding
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
"--prompt",
type=str,
nargs="?",
default="a painting of a virus monster playing guitar",
help="the prompt to render"
)
parser.add_argument(
"--outdir",
type=str,
nargs="?",
help="dir to write results to",
default="outputs/txt2img-samples"
)
parser.add_argument(
"--ddim_steps",
type=int,
default=200,
help="number of ddim sampling steps",
)
parser.add_argument(
"--plms",
action='store_true',
help="use plms sampling",
)
parser.add_argument(
"--ddim_eta",
type=float,
default=1.0,
help="ddim eta (eta=0.0 corresponds to deterministic sampling",
)
parser.add_argument(
"--n_iter",
type=int,
default=1,
help="sample this often",
)
parser.add_argument(
"--H",
type=int,
default=256,
help="image height, in pixel space",
)
parser.add_argument(
"--W",
type=int,
default=256,
help="image width, in pixel space",
)
parser.add_argument(
"--n_samples",
type=int,
default=4,
help="how many samples to produce for the given prompt",
)
parser.add_argument(
"--output_dir_name",
type=str,
default='default_file',
help="name of folder",
)
parser.add_argument(
"--postfix",
type=str,
default='',
help="name of folder",
)
parser.add_argument(
"--scale",
type=float,
# default=5.0,
default=1.0,
help="unconditional guidance scale: eps = eps(x, empty) + scale * (eps(x, cond) - eps(x, empty))",
)
opt = parser.parse_args()
# --scale 1.0 --n_samples 3 --ddim_steps 20
# # #### CLIP f4
# config_path = '/globalscratch/mridul/ldm/clip/2023-11-09T15-34-23_CLIP_f4_maxlen77_classname/configs/2023-11-09T15-34-23-project.yaml'
# ckpt_path = '/globalscratch/mridul/ldm/clip/2023-11-09T15-34-23_CLIP_f4_maxlen77_classname/checkpoints/epoch=000158.ckpt'
# # #### CLIP f8
# config_path = '/globalscratch/mridul/ldm/clip/2023-11-09T15-30-05_CLIP_f8_maxlen77_classname/configs/2023-11-09T15-30-05-project.yaml'
# ckpt_path = '/globalscratch/mridul/ldm/clip/2023-11-09T15-30-05_CLIP_f8_maxlen77_classname/checkpoints/epoch=000119.ckpt'
#### Label Encoding
# config_path = '/globalscratch/mridul/ldm/test/test_bert/2023-11-13T23-08-55_TEST_f4_ancestral_label_encoding/configs/2023-11-13T23-08-55-project.yaml'
# ckpt_path = '/globalscratch/mridul/ldm/test/test_bert/2023-11-13T23-08-55_TEST_f4_ancestral_label_encoding/checkpoints/epoch=000119.ckpt'
#### Label Encoding Leave one out
# config_path = '/globalscratch/mridul/ldm/level_encoding/leave_out/2023-12-01T01-49-15_HLE_f4_label_encoding_leave_out/configs/2023-12-01T01-49-15-project.yaml'
# ckpt_path = '/globalscratch/mridul/ldm/level_encoding/leave_out/2023-12-01T01-49-15_HLE_f4_label_encoding_leave_out/checkpoints/epoch=000131.ckpt'
# ckpt_path = '/globalscratch/mridul/ldm/level_encoding/2023-12-03T09-33-45_HLE_f4_level_encoding_371/checkpoints/epoch=000119.ckpt'
# config_path = '/globalscratch/mridul/ldm/level_encoding/2023-12-03T09-33-45_HLE_f4_level_encoding_371/configs/2023-12-03T09-33-45-project.yaml'
# ### scale 1.25 - 137 epoch
# ckpt_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T21-52-36_HLE_f4_scale1.25/checkpoints/epoch=000119.ckpt'
# config_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T21-52-36_HLE_f4_scale1.25/configs/2024-01-29T21-52-36-project.yaml'
### scale 1.5 - 137 epoch
# ckpt_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T20-33-03_HLE_f4_scale1.5/checkpoints/epoch=000119.ckpt'
# config_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T20-33-03_HLE_f4_scale1.5/configs/2024-01-29T20-33-03-project.yaml'
# ### scale 2 - 137 epoch
# ckpt_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T21-52-36_HLE_f4_scale2/checkpoints/epoch=000095.ckpt'
# config_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T21-52-36_HLE_f4_scale2/configs/2024-01-29T21-52-36-project.yaml'
# ### scale 5 - 137 epoch
# ckpt_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T20-26-32_HLE_f4_scale5/checkpoints/epoch=000095.ckpt'
# config_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T20-26-32_HLE_f4_scale5/configs/2024-01-29T20-26-32-project.yaml'
# ### scale 10 - 137 epoch
# ckpt_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T20-26-02_HLE_f4_scale10/checkpoints/epoch=000101.ckpt'
# config_path = '/globalscratch/mridul/ldm/level_encoding/2024-01-29T20-26-02_HLE_f4_scale10/configs/2024-01-29T20-26-02-project.yaml'
###### hle 371,
ckpt_path = '/globalscratch/mridul/ldm/final_runs_eccv/fishes/2024-03-01T23-15-36_HLE_days3/checkpoints/epoch=000119.ckpt'
config_path = '/globalscratch/mridul/ldm/final_runs_eccv/fishes/2024-03-01T23-15-36_HLE_days3/configs/2024-03-01T23-15-36-project.yaml'
label_to_class_mapping = {0: 'Alosa-chrysochloris', 1: 'Carassius-auratus', 2: 'Cyprinus-carpio', 3: 'Esox-americanus',
4: 'Gambusia-affinis', 5: 'Lepisosteus-osseus', 6: 'Lepisosteus-platostomus', 7: 'Lepomis-auritus', 8: 'Lepomis-cyanellus',
9: 'Lepomis-gibbosus', 10: 'Lepomis-gulosus', 11: 'Lepomis-humilis', 12: 'Lepomis-macrochirus', 13: 'Lepomis-megalotis',
14: 'Lepomis-microlophus', 15: 'Morone-chrysops', 16: 'Morone-mississippiensis', 17: 'Notropis-atherinoides',
18: 'Notropis-blennius', 19: 'Notropis-boops', 20: 'Notropis-buccatus', 21: 'Notropis-buchanani', 22: 'Notropis-dorsalis',
23: 'Notropis-hudsonius', 24: 'Notropis-leuciodus', 25: 'Notropis-nubilus', 26: 'Notropis-percobromus',
27: 'Notropis-stramineus', 28: 'Notropis-telescopus', 29: 'Notropis-texanus', 30: 'Notropis-volucellus',
31: 'Notropis-wickliffi', 32: 'Noturus-exilis', 33: 'Noturus-flavus', 34: 'Noturus-gyrinus', 35: 'Noturus-miurus',
36: 'Noturus-nocturnus', 37: 'Phenacobius-mirabilis'}
def get_label_from_class(class_name):
for key, value in label_to_class_mapping.items():
if value == class_name:
return key
config = OmegaConf.load(config_path) # TODO: Optionally download from same location as ckpt and chnage this logic
model = load_model_from_config(config, ckpt_path) # TODO: check path
device = torch.device("cuda") if torch.cuda.is_available() else torch.device("cpu")
model = model.to(device)
if opt.plms:
sampler = PLMSSampler(model)
else:
sampler = DDIMSampler(model)
os.makedirs(opt.outdir, exist_ok=True)
outpath = opt.outdir
prompt = opt.prompt
all_images = []
labels = []
class_to_node = '/fastscratch/mridul/fishes/class_to_ancestral_label.pkl'
with open(class_to_node, 'rb') as pickle_file:
class_to_node_dict = pickle.load(pickle_file)
class_to_node_dict = {key.lower(): value for key, value in class_to_node_dict.items()}
sample_path = os.path.join(outpath, opt.output_dir_name)
os.makedirs(sample_path, exist_ok=True)
base_count = len(os.listdir(sample_path))
for class_name, node_representation in tqdm(class_to_node_dict.items()):
prompt = node_representation
all_samples=list()
with torch.no_grad():
with model.ema_scope():
uc = None
# if opt.scale != 1.0:
# uc = model.get_learned_conditioning(opt.n_samples * [""])
for n in trange(opt.n_iter, desc="Sampling"):
all_prompts = opt.n_samples * (prompt)
all_prompts = [tuple(all_prompts)]
print(class_name, prompt)
breakpoint()
c = model.get_learned_conditioning({'class_to_node': all_prompts})
shape = [3, 64, 64]
samples_ddim, _ = sampler.sample(S=opt.ddim_steps,
conditioning=c,
batch_size=opt.n_samples,
shape=shape,
verbose=False,
unconditional_guidance_scale=opt.scale,
unconditional_conditioning=uc,
eta=opt.ddim_eta)
x_samples_ddim = model.decode_first_stage(samples_ddim)
x_samples_ddim = torch.clamp((x_samples_ddim+1.0)/2.0, min=0.0, max=1.0)
all_samples.append(x_samples_ddim)
###### to make grid
# additionally, save as grid
grid = torch.stack(all_samples, 0)
grid = rearrange(grid, 'n b c h w -> (n b) c h w')
grid = make_grid(grid, nrow=opt.n_samples)
# to image
grid = 255. * rearrange(grid, 'c h w -> h w c').cpu().numpy()
Image.fromarray(grid.astype(np.uint8)).save(os.path.join(sample_path, f'{class_name.replace(" ", "-")}.png'))
# # individual images
# grid = torch.stack(all_samples, 0)
# grid = rearrange(grid, 'n b c h w -> (n b) c h w')
# for i in range(opt.n_samples):
# sample = grid[i]
# img = 255. * rearrange(sample, 'c h w -> h w c').cpu().numpy()
# img_arr = img.astype(np.uint8)
# class_name = class_name.replace(" ", "-")
# all_images.append(img_arr)
# labels.append(get_label_from_class(class_name))
# Image.fromarray(img_arr).save(f'{sample_path}/{class_name}_{i}.png')
# all_images = np.array(all_images)
# labels = np.array(labels)
# np.savez(sample_path + '.npz', all_images, labels)
print(f"Your samples are ready and waiting four you here: \n{sample_path} \nEnjoy.")
# python sample_text.py --outdir /home/mridul/sample_images_text --scale 1.0 --n_samples 3 --ddim_steps 200 --ddim_eta 1.0 |