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from __future__ import annotations
import inspect
from typing import Any
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
class DynaBox(Box):
"""Specialized Box for dynaconf
it allows items/attrs to be found both in upper or lower case"""
def __getattr__(self, item, *args, **kwargs):
try:
result = super().__getattr__(item, *args, **kwargs)
except (AttributeError, KeyError):
all_keys = tuple(self.keys())
n_item = find_the_correct_casing(item, all_keys) or item
result = super().__getattr__(n_item, *args, **kwargs)
return self.__evaluate_lazy__(result)
def __getitem__(self, item, *args, **kwargs):
try:
result = super().__getitem__(item, *args, **kwargs)
except (AttributeError, KeyError):
all_keys = tuple(self.keys())
n_item = find_the_correct_casing(item, all_keys) or item
result = super().__getitem__(n_item, *args, **kwargs)
return self.__evaluate_lazy__(result)
def get(
self, item, default=None, bypass_eval=False, *args, **kwargs
) -> Any:
# _TODO(pbrochad): refactor all these getter methods to make consistency easier
if not bypass_eval:
all_keys = tuple(self.keys())
n_item = find_the_correct_casing(item, all_keys) or item
result = super().get(n_item, empty, *args, **kwargs)
result = result if result is not empty else default
return self.__evaluate_lazy__(result)
try:
return super().__getitem__(item, *args, **kwargs)
except (AttributeError, KeyError):
all_keys = tuple(self.keys())
n_item = find_the_correct_casing(item, all_keys) or item
return super().__getitem__(n_item, *args, **kwargs)
def __evaluate_lazy__(self, result):
settings = self._box_config["box_settings"]
return recursively_evaluate_lazy_format(result, settings)
def __copy__(self):
return self.__class__(
super(Box, self).copy(),
box_settings=self._box_config.get("box_settings"),
)
def copy(self, bypass_eval=False):
if not bypass_eval:
return self.__class__(
super(Box, self).copy(),
box_settings=self._box_config.get("box_settings"),
)
return self.__class__(
{k: self.get(k, bypass_eval=True) for k in self.keys()},
box_settings=self._box_config.get("box_settings"),
)
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
)
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