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78 lines
3.7 KiB
78 lines
3.7 KiB
# Ultralytics YOLO 🚀, GPL-3.0 license
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import sys
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from difflib import get_close_matches
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from textwrap import dedent
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import hydra
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from hydra.errors import ConfigCompositionException
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from omegaconf import OmegaConf, open_dict # noqa
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from omegaconf.errors import ConfigAttributeError, ConfigKeyError, OmegaConfBaseException # noqa
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from ultralytics.yolo.utils import LOGGER, colorstr
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def override_config(overrides, cfg):
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override_keys = [override.key_or_group for override in overrides]
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check_config_mismatch(override_keys, cfg.keys())
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for override in overrides:
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if override.package is not None:
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raise ConfigCompositionException(f"Override {override.input_line} looks like a config group"
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f" override, but config group '{override.key_or_group}' does not exist.")
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key = override.key_or_group
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value = override.value()
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try:
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if override.is_delete():
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config_val = OmegaConf.select(cfg, key, throw_on_missing=False)
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if config_val is None:
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raise ConfigCompositionException(f"Could not delete from config. '{override.key_or_group}'"
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" does not exist.")
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elif value is not None and value != config_val:
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raise ConfigCompositionException("Could not delete from config. The value of"
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f" '{override.key_or_group}' is {config_val} and not"
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f" {value}.")
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last_dot = key.rfind(".")
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with open_dict(cfg):
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if last_dot == -1:
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del cfg[key]
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else:
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node = OmegaConf.select(cfg, key[:last_dot])
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del node[key[last_dot + 1:]]
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elif override.is_add():
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if OmegaConf.select(cfg, key, throw_on_missing=False) is None or isinstance(value, (dict, list)):
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OmegaConf.update(cfg, key, value, merge=True, force_add=True)
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else:
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assert override.input_line is not None
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raise ConfigCompositionException(
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dedent(f"""\
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Could not append to config. An item is already at '{override.key_or_group}'.
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Either remove + prefix: '{override.input_line[1:]}'
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Or add a second + to add or override '{override.key_or_group}': '+{override.input_line}'
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"""))
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elif override.is_force_add():
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OmegaConf.update(cfg, key, value, merge=True, force_add=True)
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else:
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try:
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OmegaConf.update(cfg, key, value, merge=True)
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except (ConfigAttributeError, ConfigKeyError) as ex:
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raise ConfigCompositionException(f"Could not override '{override.key_or_group}'."
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f"\nTo append to your config use +{override.input_line}") from ex
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except OmegaConfBaseException as ex:
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raise ConfigCompositionException(f"Error merging override {override.input_line}").with_traceback(
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sys.exc_info()[2]) from ex
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def check_config_mismatch(overrides, cfg):
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mismatched = [option for option in overrides if option not in cfg and 'hydra.' not in option]
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for option in mismatched:
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LOGGER.info(f"{colorstr(option)} is not a valid key. Similar keys: {get_close_matches(option, cfg, 3, 0.6)}")
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if mismatched:
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sys.exit()
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hydra._internal.config_loader_impl.ConfigLoaderImpl._apply_overrides_to_config = override_config
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