| import numpy as np
|
| import os
|
| import random
|
| import time
|
| import torch
|
| from os import path as osp
|
|
|
| from .dist_util import master_only
|
|
|
|
|
| def set_random_seed(seed):
|
| """Set random seeds."""
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| random.seed(seed)
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| np.random.seed(seed)
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| torch.manual_seed(seed)
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| torch.cuda.manual_seed(seed)
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| torch.cuda.manual_seed_all(seed)
|
|
|
|
|
| def get_time_str():
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| return time.strftime('%Y%m%d_%H%M%S', time.localtime())
|
|
|
|
|
| def mkdir_and_rename(path):
|
| """mkdirs. If path exists, rename it with timestamp and create a new one.
|
|
|
| Args:
|
| path (str): Folder path.
|
| """
|
| if osp.exists(path):
|
| new_name = path + '_archived_' + get_time_str()
|
| print(f'Path already exists. Rename it to {new_name}', flush=True)
|
| os.rename(path, new_name)
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| os.makedirs(path, exist_ok=True)
|
|
|
|
|
| @master_only
|
| def make_exp_dirs(opt):
|
| """Make dirs for experiments."""
|
| path_opt = opt['path'].copy()
|
| if opt['is_train']:
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| mkdir_and_rename(path_opt.pop('experiments_root'))
|
| else:
|
| mkdir_and_rename(path_opt.pop('results_root'))
|
| for key, path in path_opt.items():
|
| if ('strict_load' in key) or ('pretrain_network' in key) or ('resume' in key) or ('param_key' in key):
|
| continue
|
| else:
|
| os.makedirs(path, exist_ok=True)
|
|
|
|
|
| def scandir(dir_path, suffix=None, recursive=False, full_path=False):
|
| """Scan a directory to find the interested files.
|
|
|
| Args:
|
| dir_path (str): Path of the directory.
|
| suffix (str | tuple(str), optional): File suffix that we are
|
| interested in. Default: None.
|
| recursive (bool, optional): If set to True, recursively scan the
|
| directory. Default: False.
|
| full_path (bool, optional): If set to True, include the dir_path.
|
| Default: False.
|
|
|
| Returns:
|
| A generator for all the interested files with relative paths.
|
| """
|
|
|
| if (suffix is not None) and not isinstance(suffix, (str, tuple)):
|
| raise TypeError('"suffix" must be a string or tuple of strings')
|
|
|
| root = dir_path
|
|
|
| def _scandir(dir_path, suffix, recursive):
|
| for entry in os.scandir(dir_path):
|
| if not entry.name.startswith('.') and entry.is_file():
|
| if full_path:
|
| return_path = entry.path
|
| else:
|
| return_path = osp.relpath(entry.path, root)
|
|
|
| if suffix is None:
|
| yield return_path
|
| elif return_path.endswith(suffix):
|
| yield return_path
|
| else:
|
| if recursive:
|
| yield from _scandir(entry.path, suffix=suffix, recursive=recursive)
|
| else:
|
| continue
|
|
|
| return _scandir(dir_path, suffix=suffix, recursive=recursive)
|
|
|
|
|
| def check_resume(opt, resume_iter):
|
| """Check resume states and pretrain_network paths.
|
|
|
| Args:
|
| opt (dict): Options.
|
| resume_iter (int): Resume iteration.
|
| """
|
| if opt['path']['resume_state']:
|
|
|
| networks = [key for key in opt.keys() if key.startswith('network_')]
|
| flag_pretrain = False
|
| for network in networks:
|
| if opt['path'].get(f'pretrain_{network}') is not None:
|
| flag_pretrain = True
|
| if flag_pretrain:
|
| print('pretrain_network path will be ignored during resuming.')
|
|
|
| for network in networks:
|
| name = f'pretrain_{network}'
|
| basename = network.replace('network_', '')
|
| if opt['path'].get('ignore_resume_networks') is None or (network
|
| not in opt['path']['ignore_resume_networks']):
|
| opt['path'][name] = osp.join(opt['path']['models'], f'net_{basename}_{resume_iter}.pth')
|
| print(f"Set {name} to {opt['path'][name]}")
|
|
|
|
|
| param_keys = [key for key in opt['path'].keys() if key.startswith('param_key')]
|
| for param_key in param_keys:
|
| if opt['path'][param_key] == 'params_ema':
|
| opt['path'][param_key] = 'params'
|
| print(f'Set {param_key} to params')
|
|
|
|
|
| def sizeof_fmt(size, suffix='B'):
|
| """Get human readable file size.
|
|
|
| Args:
|
| size (int): File size.
|
| suffix (str): Suffix. Default: 'B'.
|
|
|
| Return:
|
| str: Formatted file siz.
|
| """
|
| for unit in ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z']:
|
| if abs(size) < 1024.0:
|
| return f'{size:3.1f} {unit}{suffix}'
|
| size /= 1024.0
|
| return f'{size:3.1f} Y{suffix}'
|
|
|
