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fix handling form data with fields that are not annotated as Form()

This commit is contained in:
sneakers-the-rat 2025-03-08 17:38:03 -08:00
parent 7fade13ac8
commit 64f25284e8
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1 changed files with 6 additions and 6 deletions
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12
fastapi/dependencies/utils.py
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@ -717,7 +717,7 @@ def _get_multidict_value(
field: ModelField,
values: Mapping[str, Any],
alias: Union[str, None] = None,
return_default: bool = True,
form_input: bool = False,
) -> Any:
alias = alias or field.alias
if is_sequence_field(field) and isinstance(values, (ImmutableMultiDict, Headers)):
@ -727,16 +727,16 @@ def _get_multidict_value(
if (
value is None
or (
isinstance(field.field_info, params.Form)
(isinstance(field.field_info, params.Form) or form_input)
and isinstance(value, str) # For type checks
and value == ""
)
or (is_sequence_field(field) and len(value) == 0)
):
if return_default and not field.required:
return deepcopy(field.default)
else:
if form_input or field.required:
return None
else:
return deepcopy(field.default)
return value
@ -843,7 +843,7 @@ async def _extract_form_body(
first_field_info = first_field.field_info
for field in body_fields:
value = _get_multidict_value(field, received_body, return_default=False)
value = _get_multidict_value(field, received_body, form_input=True)
if (
isinstance(first_field_info, params.File)
and is_bytes_field(field)