98 lines
2.5 KiB
Python
98 lines
2.5 KiB
Python
'''
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Simplified management for nested dictionaries
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'''
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import copy
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import pprint
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import tomllib
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import hashlib
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from typing import Any
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from pathlib import Path
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from symconf.util import deep_update
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class DictReader:
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def __init__(self, toml_path=None):
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self._config = {}
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self.toml_path = toml_path
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if toml_path is not None:
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self._config = self._load_toml(toml_path)
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def __str__(self):
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return pprint.pformat(self._config, indent=4)
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@staticmethod
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def _load_toml(toml_path) -> dict[str, Any]:
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return tomllib.loads(Path(toml_path).read_text())
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@classmethod
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def from_dict(cls, config_dict):
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new_instance = cls()
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new_instance._config = copy.deepcopy(config_dict)
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return new_instance
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def update(self, config, in_place=False):
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new_config = deep_update(self._config, config._config)
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if in_place:
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self._config = new_config
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return self
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return self.from_dict(new_config)
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def copy(self):
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return self.from_dict(copy.deepcopy(self._config))
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def get_subconfig(self, key): pass
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def get(self, key, default=None):
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keys = key.split('.')
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subconfig = self._config
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for subkey in keys[:-1]:
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subconfig = subconfig.get(subkey)
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if type(subconfig) is not dict:
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return default
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return subconfig.get(keys[-1], default)
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def set(self, key, value):
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keys = key.split('.')
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subconfig = self._config
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for subkey in keys[:-1]:
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if subkey in subconfig:
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subconfig = subconfig[subkey]
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if type(subconfig) is not dict:
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logger.debug(
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'Attempting to set nested key with an existing non-dict parent'
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)
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return False
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continue
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subdict = {}
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subconfig[subkey] = subdict
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subconfig = subdict
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subconfig.update({ keys[-1]: value })
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return True
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def generate_hash(self, exclude_keys=None):
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inst_copy = self.copy()
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if exclude_keys is not None:
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for key in exclude_keys:
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inst_copy.set(key, None)
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items = inst_copy._config.items()
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# create hash from config options
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config_str = str(sorted(items))
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return hashlib.md5(config_str.encode()).hexdigest()
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