from tensorboardX import SummaryWriter
from util.misc import mkdirs


class LogSummary(object):

    def __init__(self, log_path):

        mkdirs(log_path)
        self.writer = SummaryWriter(log_path)

    def write_scalars(self, scalar_dict, n_iter, tag=None):

        for name, scalar in scalar_dict.items():
            if tag is not None:
                name = '/'.join([tag, name])
            self.writer.add_scalar(name, scalar, n_iter)

    def write_hist_parameters(self, net, n_iter):
        for name, param in net.named_parameters():
            self.writer.add_histogram(name, param.clone().cpu().numpy(), n_iter)