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Add support for setting field name from class name. #359

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Add support for setting field name from class name. #359

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519b28d
Add support for setting field name from class name.
May 5, 2022
a7e9f96
Merge branch 'master' into master
george-zubrienko Jun 14, 2023
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4 changes: 4 additions & 0 deletions dataclasses_json/cfg.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,7 @@ def config(metadata: dict = None, *,
letter_case: Union[Callable[[str], str], LetterCase, None] = None,
undefined: Optional[Union[str, Undefined]] = None,
field_name: str = None,
field_class_name: bool = False,
exclude: Union[Callable[[str, T], bool], Exclude, None] = None,
) -> Dict[str, dict]:
if metadata is None:
Expand All @@ -86,6 +87,9 @@ def override(_, _field_name=field_name): # type:ignore
return _field_name
letter_case = override

if field_class_name is not None:
lib_metadata['field_class_name'] = field_class_name

if letter_case is not None:
lib_metadata['letter_case'] = letter_case

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6 changes: 5 additions & 1 deletion dataclasses_json/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@

Json = Union[dict, list, str, int, float, bool, None]

confs = ['encoder', 'decoder', 'mm_field', 'letter_case', 'exclude']
confs = ['encoder', 'decoder', 'mm_field', 'letter_case', 'exclude', 'field_class_name']
FieldOverride = namedtuple('FieldOverride', confs)


Expand Down Expand Up @@ -83,6 +83,8 @@ def _user_overrides_or_exts(cls):
field_config['decoder'] = field_metadata['decoder']
if 'mm_field' in field_metadata:
field_config['mm_field'] = field_metadata['mm_field']
if 'field_class_name' in field_metadata:
field_config['field_class_name'] = field_metadata['field_class_name']
# then apply class-level overrides or extensions
field_config.update(cls_config)
# last apply field-level overrides or extensions
Expand Down Expand Up @@ -366,6 +368,8 @@ def _asdict(obj, encode_json=False):
getattr(obj, field.name),
encode_json=encode_json
)
if overrides[field.name].field_class_name:
field.name = type(getattr(obj, field.name)).__name__
result.append((field.name, value))

result = _handle_undefined_parameters_safe(cls=obj, kvs=dict(result),
Expand Down