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"""Config utilities for yml file."""
import os
from argparse import Namespace
import collections
import functools
import os
import re
import yaml
# from imaginaire.utils.distributed import master_only_print as print
class AttrDict(dict):
"""Dict as attribute trick."""
def __init__(self, *args, **kwargs):
super(AttrDict, self).__init__(*args, **kwargs)
self.__dict__ = self
for key, value in self.__dict__.items():
if isinstance(value, dict):
self.__dict__[key] = AttrDict(value)
elif isinstance(value, (list, tuple)):
if isinstance(value[0], dict):
self.__dict__[key] = [AttrDict(item) for item in value]
else:
self.__dict__[key] = value
def yaml(self):
"""Convert object to yaml dict and return."""
yaml_dict = {}
for key, value in self.__dict__.items():
if isinstance(value, AttrDict):
yaml_dict[key] = value.yaml()
elif isinstance(value, list):
if isinstance(value[0], AttrDict):
new_l = []
for item in value:
new_l.append(item.yaml())
yaml_dict[key] = new_l
else:
yaml_dict[key] = value
else:
yaml_dict[key] = value
return yaml_dict
def __repr__(self):
"""Print all variables."""
ret_str = []
for key, value in self.__dict__.items():
if isinstance(value, AttrDict):
ret_str.append('{}:'.format(key))
child_ret_str = value.__repr__().split('\n')
for item in child_ret_str:
ret_str.append(' ' + item)
elif isinstance(value, list):
if isinstance(value[0], AttrDict):
ret_str.append('{}:'.format(key))
for item in value:
# Treat as AttrDict above.
child_ret_str = item.__repr__().split('\n')
for item in child_ret_str:
ret_str.append(' ' + item)
else:
ret_str.append('{}: {}'.format(key, value))
else:
ret_str.append('{}: {}'.format(key, value))
return '\n'.join(ret_str)
class Config(AttrDict):
r"""Configuration class. This should include every human specifiable
hyperparameter values for your training."""
def __init__(self, filename=None, verbose=False):
super(Config, self).__init__()
# Update with given configurations.
if os.path.exists(filename):
loader = yaml.SafeLoader
loader.add_implicit_resolver(
u'tag:yaml.org,2002:float',
re.compile(u'''^(?:
[-+]?(?:[0-9][0-9_]*)\\.[0-9_]*(?:[eE][-+]?[0-9]+)?
|[-+]?(?:[0-9][0-9_]*)(?:[eE][-+]?[0-9]+)
|\\.[0-9_]+(?:[eE][-+][0-9]+)?
|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*
|[-+]?\\.(?:inf|Inf|INF)
|\\.(?:nan|NaN|NAN))$''', re.X),
list(u'-+0123456789.'))
try:
with open(filename, 'r') as f:
cfg_dict = yaml.load(f, Loader=loader)
except EnvironmentError:
print('Please check the file with name of "%s"', filename)
recursive_update(self, cfg_dict)
else:
raise ValueError('Provided config path not existed: %s' % filename)
if verbose:
print(' imaginaire config '.center(80, '-'))
print(self.__repr__())
print(''.center(80, '-'))
def rsetattr(obj, attr, val):
"""Recursively find object and set value"""
pre, _, post = attr.rpartition('.')
return setattr(rgetattr(obj, pre) if pre else obj, post, val)
def rgetattr(obj, attr, *args):
"""Recursively find object and return value"""
def _getattr(obj, attr):
r"""Get attribute."""
return getattr(obj, attr, *args)
return functools.reduce(_getattr, [obj] + attr.split('.'))
def recursive_update(d, u):
"""Recursively update AttrDict d with AttrDict u"""
if u is not None:
for key, value in u.items():
if isinstance(value, collections.abc.Mapping):
d.__dict__[key] = recursive_update(d.get(key, AttrDict({})), value)
elif isinstance(value, (list, tuple)):
if len(value) > 0 and isinstance(value[0], dict):
d.__dict__[key] = [AttrDict(item) for item in value]
else:
d.__dict__[key] = value
else:
d.__dict__[key] = value
return d
def merge_and_update_from_dict(cfg, dct):
"""
(Compatible for submitit's Dict as attribute trick)
Merge dict as dict() to config as CfgNode().
Args:
cfg: dict
dct: dict
"""
if dct is not None:
for key, value in dct.items():
if isinstance(value, dict):
if key in cfg.keys():
sub_cfgnode = cfg[key]
else:
sub_cfgnode = dict()
cfg.__setattr__(key, sub_cfgnode)
sub_cfgnode = merge_and_update_from_dict(sub_cfgnode, value)
else:
cfg[key] = value
return cfg
def load_config(cfg_files = [], cfg_dir = ''):
cfg = Config(cfg_files[0])
for cfg_file in cfg_files[1:]:
add_cfg = Config(cfg_file)
cfg = merge_and_update_from_dict(cfg, add_cfg)
return cfg
def nested_dict_to_namespace(dictionary):
namespace = dictionary
if isinstance(dictionary, dict):
namespace = Namespace(**dictionary)
for key, value in dictionary.items():
setattr(namespace, key, nested_dict_to_namespace(value))
return namespace
def preprocess_cfg(cfg_files, cfg_dir = ''):
config = load_config(cfg_files, cfg_dir)
args = nested_dict_to_namespace(config)
return args |