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dataclass: DataClass.tranform(): handle Optional dict/Munch items

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InsanePrawn 2022-09-08 19:27:34 +02:00
parent adcdf38c14
commit 7b7caf3f37
1 changed files with 6 additions and 4 deletions
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4
dataclass.py
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@ -34,12 +34,14 @@ class DataClass(Munch):
type_hints = cls._type_hints
if key in type_hints:
_classes = tuple[type](resolve_type_hint(type_hints[key]))
optional = type(None) in _classes
if issubclass(_classes[0], dict):
assert isinstance(value, dict)
assert isinstance(value, dict) or optional
target_class = _classes[0]
if target_class is dict:
target_class = Munch
if not isinstance(value, target_class):
if not (optional and value is None):
assert issubclass(target_class, Munch)
# despite the above assert, mypy doesn't seem to understand target_class is a Munch here
value = target_class.fromDict(value, validate=validate) # type:ignore[attr-defined]