Validators

from pprint import pprint

from dicfg import ConfigReader

Use validators with @validate(validator-name) in config files

!cat ./configs/config_with_validators.yml
config_reader = ConfigReader(name="myconfig", main_config_path="./configs/config_with_validators.yml")
pprint(config_reader.read(), sort_dicts=False)

default:
    config_int@validate(positive-number): 1
    config_string: "fire"
    config_list: [1, 2, 3]
    config_none: None
    config_dict:
        sub_config: "water"{'default': {'config_int': 1,
             'config_string': 'fire',
             'config_list': [1, 2, 3],
             'config_none': 'None',
             'config_dict': {'sub_config': 'water'}}}

user_config = {
    "myconfig": {
        "default": {
            "config_int": -1,
        }
    }
}
pprint(config_reader.read(user_config=user_config), sort_dicts=False)

---------------------------------------------------------------------------
ValidationErrors                          Traceback (most recent call last)
Cell In[10], line 8
      1 user_config = {
      2     "myconfig": {
      3         "default": {
   (...)
      6     }
      7 }
----> 8 pprint(config_reader.read(user_config=user_config), sort_dicts=False)

File ~/code/dicfg/dicfg/reader.py:128, in ConfigReader.read(self, user_config, presets)
    125 merged_configs = merge(*configs)
    127 if errors := list(merged_configs.validate()):
--> 128     raise ValidationErrors(errors)
    130 return merged_configs.cast()

ValidationErrors: 
default:config_int:Value must be a positive number.