test.py

import json
import os
from pathlib import Path

import numpy as np
import pytorch_lightning as pl
import torch
from rich import get_console
from rich.table import Table
from omegaconf import OmegaConf

from tma.callback import ProgressLogger
from tma.config import parse_args
from tma.data.get_data import get_datasets
from tma.models.get_model import get_model
from tma.utils.logger import create_logger

use_differnt_t2m = False


def print_table(title, metrics):
    """
    This function prints a table with the given title and metrics.

    Parameters:
    title (str): The title of the table.
    metrics (dict): A dictionary where keys are metric names and values are metric values.

    Returns:
    None
    """
    table = Table(title=title)

    table.add_column("Metrics", style="cyan", no_wrap=True)
    table.add_column("Value", style="magenta")

    for key, value in metrics.items():
        table.add_row(key, str(value))

    console = get_console()
    console.print(table, justify="center")


def get_metric_statistics(values, replication_times):
    """
    This function calculates the mean and confidence interval of the given values.

    Parameters:
    values (list): A list of values.
    replication_times (int): The number of times the values were replicated.

    Returns:
    tuple: A tuple containing the mean and confidence interval of the values.
    """
    mean = np.mean(values, axis=0)
    std = np.std(values, axis=0)
    conf_interval = 1.96 * std / np.sqrt(replication_times)
    return mean, conf_interval


def main():
    # parse options
    cfg = parse_args(phase="test")
    cfg.FOLDER = cfg.TEST.FOLDER

    # create logger
    logger = create_logger(cfg, phase="test")
    output_dir = Path(
        os.path.join(
            cfg.FOLDER, str(cfg.model.model_type), str(cfg.NAME), "samples_" + cfg.TIME
        )
    )
    output_dir.mkdir(parents=True, exist_ok=True)
    logger.info(OmegaConf.to_yaml(cfg))

    # set seed
    pl.seed_everything(cfg.SEED_VALUE)

    # gpu setting
    if cfg.ACCELERATOR == "gpu":
        os.environ["PYTHONWARNINGS"] = "ignore"
        os.environ["TOKENIZERS_PARALLELISM"] = "false"

    # create dataset
    datasets = get_datasets(cfg, logger=logger, phase="test")[0]
    logger.info("datasets module {} initialized".format("".join(cfg.TRAIN.DATASETS)))

    # create model
    model = get_model(cfg, datasets)
    logger.info("model {} loaded".format(cfg.model.model_type))

    # optimizer
    metric_monitor = {
        "Train_jf": "recons/text2jfeats/train",
        "Val_jf": "recons/text2jfeats/val",
        "Train_rf": "recons/text2rfeats/train",
        "Val_rf": "recons/text2rfeats/val",
        "APE root": "Metrics/APE_root",
        "APE mean pose": "Metrics/APE_mean_pose",
        "AVE root": "Metrics/AVE_root",
        "AVE mean pose": "Metrics/AVE_mean_pose",
    }

    # callbacks
    callbacks = [
        pl.callbacks.RichProgressBar(),
        ProgressLogger(metric_monitor=metric_monitor),
    ]
    logger.info("Callbacks initialized")

    # trainer
    trainer = pl.Trainer(
        benchmark=False,
        max_epochs=cfg.TRAIN.END_EPOCH,
        accelerator=cfg.ACCELERATOR,
        devices=list(range(len(cfg.DEVICE))),
        default_root_dir=cfg.FOLDER_EXP,
        reload_dataloaders_every_n_epochs=1,
        log_every_n_steps=cfg.LOGGER.LOG_EVERY_STEPS,
        deterministic=False,
        detect_anomaly=False,
        enable_progress_bar=True,
        logger=None,
        callbacks=callbacks,
    )

    # loading state dict
    logger.info("Loading checkpoints from {}".format(cfg.TEST.CHECKPOINTS))

    state_dict = torch.load(cfg.TEST.CHECKPOINTS, map_location="cpu")["state_dict"]
    model.load_state_dict(state_dict)

    if use_differnt_t2m:
        t2m_checkpoint = torch.load(
            "/comp_robot/lushunlin/motion-latent-diffusion/deps/t2m/motionx/version1/smplx_212/text_mot_match_glove_6B_caption_bs_256/model/finest.tar"
        )
        model.t2m_textencoder.load_state_dict(t2m_checkpoint["text_encoder"])
        model.t2m_moveencoder.load_state_dict(t2m_checkpoint["movement_encoder"])
        model.t2m_motionencoder.load_state_dict(t2m_checkpoint["motion_encoder"])

        # freeze params
        model.t2m_textencoder.eval()
        model.t2m_moveencoder.eval()
        model.t2m_motionencoder.eval()
        for p in model.t2m_textencoder.parameters():
            p.requires_grad = False
        for p in model.t2m_moveencoder.parameters():
            p.requires_grad = False
        for p in model.t2m_motionencoder.parameters():
            p.requires_grad = False

        print(
            "Loading /comp_robot/lushunlin/motion-latent-diffusion/deps/t2m/motionx/version1/smplx_212/text_mot_match_glove_6B_caption_bs_256/model/finest.tar"
        )

    all_metrics = {}
    replication_times = cfg.TEST.REPLICATION_TIMES
    # calculate metrics
    for i in range(replication_times):
        metrics_type = ", ".join(cfg.METRIC.TYPE)
        logger.info(f"Evaluating {metrics_type} - Replication {i}")
        metrics = trainer.test(model, datamodule=datasets)[0]
        if "TM2TMetrics" in metrics_type:
            # mm meteics
            logger.info(f"Evaluating MultiModality - Replication {i}")
            datasets.mm_mode(True)
            mm_metrics = trainer.test(model, datamodule=datasets)[0]
            metrics.update(mm_metrics)
            datasets.mm_mode(False)
        for key, item in metrics.items():
            if key not in all_metrics:
                all_metrics[key] = [item]
            else:
                all_metrics[key] += [item]

    # set up metrics
    all_metrics_new = {}
    for key, item in all_metrics.items():
        mean, conf_interval = get_metric_statistics(np.array(item), replication_times)
        all_metrics_new[key + "/mean"] = mean
        all_metrics_new[key + "/conf_interval"] = conf_interval
    print_table(f"Mean Metrics", all_metrics_new)
    all_metrics_new.update(all_metrics)

    # save metrics to file
    metric_file = output_dir.parent / f"metrics_{cfg.TIME}.json"
    with open(metric_file, "w", encoding="utf-8") as f:
        json.dump(all_metrics_new, f, indent=4)
    logger.info(f"Testing done, the metrics are saved to {str(metric_file)}")


if __name__ == "__main__":
    main()