# coding=utf-8
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#
# Licensed under the Apache License, Version 2.0 (the "License");
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#
# http://www.apache.org/licenses/LICENSE-2.0
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import os
import pkg_resources
from omegaconf import OmegaConf
from detectron2.config import LazyConfig
[docs]def try_get_key(cfg, *keys, default=None):
"""
Try select keys from lazy cfg until the first key that exists. Otherwise return default.
"""
for k in keys:
none = object()
p = OmegaConf.select(cfg, k, default=none)
if p is not none:
return p
return default
[docs]def get_config(config_path):
"""
Returns a config object from a config_path.
Args:
config_path (str): config file name relative to detrex's "configs/"
directory, e.g., "common/train.py"
Returns:
omegaconf.DictConfig: a config object
"""
cfg_file = pkg_resources.resource_filename(
"detrex.config", os.path.join("configs", config_path)
)
if not os.path.exists(cfg_file):
raise RuntimeError("{} not available in detrex configs!".format(config_path))
cfg = LazyConfig.load(cfg_file)
return cfg