from __future__ import annotations import inspect from functools import wraps from dynaconf.utils import find_the_correct_casing from dynaconf.utils import recursively_evaluate_lazy_format from dynaconf.utils.functional import empty from dynaconf.vendor.box import Box def evaluate_lazy_format(f): """Marks a method on Dynabox instance to lazily evaluate LazyFormat objects upon access.""" @wraps(f) def evaluate(dynabox, item, *args, **kwargs): value = f(dynabox, item, *args, **kwargs) settings = dynabox._box_config["box_settings"] if getattr(value, "_dynaconf_lazy_format", None): dynabox._box_config[ f"raw_{item.lower()}" ] = f"@{value.formatter.token} {value.value}" return recursively_evaluate_lazy_format(value, settings) return evaluate class DynaBox(Box): """Specialized Box for dynaconf it allows items/attrs to be found both in upper or lower case""" @evaluate_lazy_format def __getattr__(self, item, *args, **kwargs): try: return super().__getattr__(item, *args, **kwargs) except (AttributeError, KeyError): n_item = find_the_correct_casing(item, self) or item return super().__getattr__(n_item, *args, **kwargs) @evaluate_lazy_format def __getitem__(self, item, *args, **kwargs): try: return super().__getitem__(item, *args, **kwargs) except (AttributeError, KeyError): n_item = find_the_correct_casing(item, self) or item return super().__getitem__(n_item, *args, **kwargs) def __copy__(self): return self.__class__( super(Box, self).copy(), box_settings=self._box_config.get("box_settings"), ) def copy(self): return self.__class__( super(Box, self).copy(), box_settings=self._box_config.get("box_settings"), ) @evaluate_lazy_format def get(self, item, default=None, *args, **kwargs): n_item = find_the_correct_casing(item, self) or item value = super().get(n_item, empty, *args, **kwargs) return value if value is not empty else default def __dir__(self): keys = list(self.keys()) reserved = [ item[0] for item in inspect.getmembers(DynaBox) if not item[0].startswith("__") ] return ( keys + [k.lower() for k in keys] + [k.upper() for k in keys] + reserved )