File size: 4,426 Bytes
9b9e0ee
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
import shutil
import os

import argparse
import yaml
import torch
import sys

#colab implementation
# lets add the local path for the audioldm_train library
# sys.path.append('/content/qa-mdt')

from qa_mdt.audioldm_train.utilities.data.dataset_original_mos5 import AudioDataset as AudioDataset
from qa_mdt.audioldm_train.utilities.tools import build_dataset_json_from_list
from qa_mdt.audioldm_train.utilities.model_util import instantiate_from_config
from torch.utils.data import DataLoader
from pytorch_lightning import seed_everything
from qa_mdt.audioldm_train.utilities.tools import get_restore_step


def infer(dataset_key, configs, config_yaml_path, exp_group_name, exp_name):
    
    seed_everything(0)

    if "precision" in configs.keys():
        torch.set_float32_matmul_precision(configs["precision"])

    log_path = configs["log_directory"]
    if "dataloader_add_ons" in configs["data"].keys():
        dataloader_add_ons = configs["data"]["dataloader_add_ons"]
    else:
        dataloader_add_ons = []
    val_dataset = AudioDataset(
        configs, split="test", add_ons=dataloader_add_ons, dataset_json=dataset_key
    )

    val_loader = DataLoader(
        val_dataset,
        batch_size=1,
    )

    try:
        config_reload_from_ckpt = configs["reload_from_ckpt"]
    except:
        config_reload_from_ckpt = None

    checkpoint_path = os.path.join(log_path, exp_group_name, exp_name, "checkpoints")

    wandb_path = os.path.join(log_path, exp_group_name, exp_name)

    os.makedirs(checkpoint_path, exist_ok=True)
    shutil.copy(config_yaml_path, wandb_path)
# /disk1/changli/jiqun_training_checkpoints/checkpoints/
    if len(os.listdir(checkpoint_path)) > 0:
        print("Load checkpoint from path: %s" % checkpoint_path)
        restore_step, n_step = get_restore_step(checkpoint_path)
        resume_from_checkpoint = os.path.join(checkpoint_path, restore_step)
        print("Resume from checkpoint", resume_from_checkpoint)
    elif config_reload_from_ckpt is not None:
        resume_from_checkpoint = config_reload_from_ckpt
        print("Reload ckpt specified in the config file %s" % resume_from_checkpoint)
    else:
        print("Train from scratch")
        resume_from_checkpoint = None

    latent_diffusion = instantiate_from_config(configs["model"])
    latent_diffusion.set_log_dir(log_path, exp_group_name, exp_name)

    guidance_scale = configs["model"]["params"]["evaluation_params"][
        "unconditional_guidance_scale"
    ]
    ddim_sampling_steps = configs["model"]["params"]["evaluation_params"][
        "ddim_sampling_steps"
    ]
    n_candidates_per_samples = configs["model"]["params"]["evaluation_params"][
        "n_candidates_per_samples"
    ]
    # resume_from_checkpoint = ""
    checkpoint = torch.load(resume_from_checkpoint)
    latent_diffusion.load_state_dict(checkpoint["state_dict"],strict=False)

    latent_diffusion.eval()
    latent_diffusion = latent_diffusion.cuda()

    latent_diffusion.generate_sample(
        val_loader,
        unconditional_guidance_scale=guidance_scale,
        ddim_steps=ddim_sampling_steps,
        n_gen=n_candidates_per_samples,
    )


if __name__ == "__main__":
    parser = argparse.ArgumentParser()

    parser.add_argument(
        "-c",
        "--config_yaml",
        type=str,
        required=False,
        help="path to config .yaml file",
    )

    parser.add_argument(
        "-l",
        "--list_inference",
        type=str,
        required=False,
        help="The filelist that contain captions (and optionally filenames)",
    )

    parser.add_argument(
        "-reload_from_ckpt",
        "--reload_from_ckpt",
        type=str,
        required=False,
        default=None,
        help="the checkpoint path for the model",
    )

    args = parser.parse_args()
    assert torch.cuda.is_available(), "CUDA is not available"

    config_yaml = args.config_yaml
    dataset_key = build_dataset_json_from_list(args.list_inference)
    exp_name = os.path.basename(config_yaml.split(".")[0])
    exp_group_name = os.path.basename(os.path.dirname(config_yaml))

    config_yaml_path = os.path.join(config_yaml)
    config_yaml = yaml.load(open(config_yaml_path, "r"), Loader=yaml.FullLoader)

    if args.reload_from_ckpt is not None:
        config_yaml["reload_from_ckpt"] = args.reload_from_ckpt

    infer(dataset_key, config_yaml, config_yaml_path, exp_group_name, exp_name)