You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

80 lines
3.7 KiB

import sys
from difflib import get_close_matches
from textwrap import dedent
import hydra
from hydra.errors import ConfigCompositionException
from omegaconf import OmegaConf, open_dict
from omegaconf.errors import ConfigAttributeError, ConfigKeyError, OmegaConfBaseException
from ultralytics.yolo.utils import LOGGER, colorstr
def override_config(overrides, cfg):
override_keys = [override.key_or_group for override in overrides]
check_config_mismatch(override_keys, cfg.keys())
for override in overrides:
if override.package is not None:
raise ConfigCompositionException(f"Override {override.input_line} looks like a config group"
f" override, but config group '{override.key_or_group}' does not"
" exist.")
key = override.key_or_group
value = override.value()
try:
if override.is_delete():
config_val = OmegaConf.select(cfg, key, throw_on_missing=False)
if config_val is None:
raise ConfigCompositionException(f"Could not delete from config. '{override.key_or_group}'"
" does not exist.")
elif value is not None and value != config_val:
raise ConfigCompositionException("Could not delete from config. The value of"
f" '{override.key_or_group}' is {config_val} and not"
f" {value}.")
last_dot = key.rfind(".")
with open_dict(cfg):
if last_dot == -1:
del cfg[key]
else:
node = OmegaConf.select(cfg, key[0:last_dot])
del node[key[last_dot + 1:]]
elif override.is_add():
if OmegaConf.select(cfg, key, throw_on_missing=False) is None or isinstance(value, (dict, list)):
OmegaConf.update(cfg, key, value, merge=True, force_add=True)
else:
assert override.input_line is not None
raise ConfigCompositionException(
dedent(f"""\
Could not append to config. An item is already at '{override.key_or_group}'.
Either remove + prefix: '{override.input_line[1:]}'
Or add a second + to add or override '{override.key_or_group}': '+{override.input_line}'
"""))
elif override.is_force_add():
OmegaConf.update(cfg, key, value, merge=True, force_add=True)
else:
try:
OmegaConf.update(cfg, key, value, merge=True)
except (ConfigAttributeError, ConfigKeyError) as ex:
raise ConfigCompositionException(f"Could not override '{override.key_or_group}'."
f"\nTo append to your config use +{override.input_line}") from ex
except OmegaConfBaseException as ex:
raise ConfigCompositionException(f"Error merging override {override.input_line}").with_traceback(
sys.exc_info()[2]) from ex
def check_config_mismatch(overrides, cfg):
mismatched = []
for option in overrides:
if option not in cfg and 'hydra.' not in option:
mismatched.append(option)
for option in mismatched:
LOGGER.info(f"{colorstr(option)} is not a valid key. Similar keys: {get_close_matches(option, cfg, 3, 0.6)}")
if mismatched:
exit()
hydra._internal.config_loader_impl.ConfigLoaderImpl._apply_overrides_to_config = override_config