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hparams.py
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import argparse
import json
import os
import yaml
from utils.commons.os_utils import remove_file
global_print_hparams = True
hparams = {}
class Args:
def __init__(self, **kwargs):
for k, v in kwargs.items():
self.__setattr__(k, v)
def override_config(old_config: dict, new_config: dict):
if new_config.get('__replace', False):
old_config.clear()
for k, v in new_config.items():
if isinstance(v, dict) and k in old_config:
override_config(old_config[k], new_config[k])
else:
old_config[k] = v
def traverse_dict(d, func):
for k in d.keys():
v = d[k]
if isinstance(v, dict):
traverse_dict(v, func)
else:
d[k] = func(v)
def parse_config_ref(v):
if isinstance(v, str) and v.startswith('^'):
return load_config(v[1:], [], set())
return v
def remove_meta_key(d):
for k in list(d.keys()):
v = d[k]
if isinstance(v, dict):
remove_meta_key(v)
else:
if k[:2] == '__':
del d[k]
def load_config(config_fn, config_chains, loaded_configs):
# deep first inheritance and avoid the second visit of one node
if not os.path.exists(config_fn):
print(f"| WARN: {config_fn} not exist.", )
return {}
with open(config_fn) as f:
hparams_ = yaml.safe_load(f)
loaded_configs.add(config_fn)
traverse_dict(hparams_, parse_config_ref)
if 'base_config' in hparams_:
ret_hparams = {}
if not isinstance(hparams_['base_config'], list):
hparams_['base_config'] = [hparams_['base_config']]
for c in hparams_['base_config']:
if c.startswith('.'):
c = f'{os.path.dirname(config_fn)}/{c}'
c = os.path.normpath(c)
if c not in loaded_configs:
override_config(ret_hparams, load_config(c, config_chains, loaded_configs))
override_config(ret_hparams, hparams_)
else:
ret_hparams = hparams_
config_chains.append(config_fn)
return ret_hparams
def set_hparams(config='', exp_name='', hparams_str='', print_hparams=True, global_hparams=True):
if config == '' and exp_name == '':
parser = argparse.ArgumentParser(description='')
parser.add_argument('--config', type=str, default='',
help='location of the data corpus')
parser.add_argument('--exp_name', type=str, default='', help='exp_name')
parser.add_argument('-hp', '--hparams', type=str, default='',
help='location of the data corpus')
parser.add_argument('--infer', action='store_true', help='infer')
parser.add_argument('--validate', action='store_true', help='validate')
parser.add_argument('--reset', action='store_true', help='reset hparams')
parser.add_argument('--remove', action='store_true', help='remove old ckpt')
parser.add_argument('--debug', action='store_true', help='debug')
parser.add_argument('--start_rank', type=int, default=0, help='the start rank id for DDP, keep 0 when single-machine multi-GPU')
parser.add_argument('--world_size', type=int, default=-1, help='the total number of GPU used across all machines, keep -1 for single-machine multi-GPU')
parser.add_argument('--init_method', type=str, default='tcp', help='method to init ddp, use tcp or file')
args, unknown = parser.parse_known_args()
if print_hparams:
print("| set_hparams Unknow hparams: ", unknown)
else:
args = Args(config=config, exp_name=exp_name, hparams=hparams_str,
infer=False, validate=False, reset=False, debug=False, remove=False, start_rank=0, world_size=-1, init_method='tcp')
global hparams
assert args.config != '' or args.exp_name != ''
if args.config != '':
assert os.path.exists(args.config), args.config
saved_hparams = {}
args_work_dir = ''
if args.exp_name != '':
args_work_dir = f'checkpoints/{args.exp_name}'
ckpt_config_path = f'{args_work_dir}/config.yaml'
if os.path.exists(ckpt_config_path):
with open(ckpt_config_path) as f:
saved_hparams_ = yaml.safe_load(f)
if saved_hparams_ is not None:
saved_hparams.update(saved_hparams_)
hparams_ = {}
config_chains = []
if args.config != '':
hparams_.update(load_config(args.config, config_chains, set()))
if len(config_chains) > 1 and print_hparams:
print('| Hparams chains: ', config_chains)
if not args.reset:
hparams_.update(saved_hparams)
hparams_['work_dir'] = args_work_dir
# Support config overriding in command line. Support list type config overriding.
# Examples: --hparams="a=1,b.c=2,d=[1 1 1]"
if args.hparams != "":
for new_hparam in args.hparams.split(","):
k, v = new_hparam.split("=")
v = v.strip("\'\" ")
config_node = hparams_
for k_ in k.split(".")[:-1]:
config_node = config_node[k_]
k = k.split(".")[-1]
if k in config_node:
if v in ['True', 'False'] or type(config_node[k]) in [bool, list, dict]:
if type(config_node[k]) == list:
v = v.replace(" ", ",").replace('^', "\"")
if '|' in v:
tp = type(config_node[k][0]) if len(config_node[k]) else str
config_node[k] = [tp(x) for x in v.split("|") if x != '']
continue
config_node[k] = eval(v)
else:
config_node[k] = type(config_node[k])(v)
else:
config_node[k] = v
try:
config_node[k] = float(v)
except:
pass
try:
config_node[k] = int(v)
except:
pass
if v.lower() in ['false', 'true']:
config_node[k] = v.lower() == 'true'
if args_work_dir != '' and args.remove:
answer = input("REMOVE old checkpoint? Y/N [Default: N]: ")
if answer.lower() == "y":
remove_file(args_work_dir)
if args_work_dir != '' and (not os.path.exists(ckpt_config_path) or args.reset) and not args.infer:
os.makedirs(hparams_['work_dir'], exist_ok=True)
with open(ckpt_config_path, 'w') as f:
yaml.safe_dump(hparams_, f)
hparams_['infer'] = args.infer
hparams_['debug'] = args.debug
hparams_['validate'] = args.validate
hparams_['exp_name'] = args.exp_name
hparams_['start_rank'] = args.start_rank # useful for multi-machine training
hparams_['world_size'] = args.world_size
hparams_['init_method'] = args.init_method
remove_meta_key(hparams_)
global global_print_hparams
if global_hparams:
hparams.clear()
hparams.update(hparams_)
if print_hparams and global_print_hparams and global_hparams:
print('| Hparams: ', json.dumps(hparams_, indent=2, sort_keys=True))
# for i, (k, v) in enumerate(sorted(hparams_.items())):
# print(f"\033[;33;m{k}\033[0m: {v}, ", end="\n" if i % 5 == 4 else "")
global_print_hparams = False
return hparams_
if __name__ == '__main__':
set_hparams('checkpoints/1205_os_secc2planes/os_secc2plane_trigridv2/config.yaml')