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Mimic __getstate__ logic for dict parsing in pydantic serialization #486

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Mimic __getstate__ logic for dict parsing in pydantic serialization #486

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0e3fc6f
Mimic __getstate__ logic for dict parsing in pydantic serialization
NeejWeej Mar 13, 2025
03d8205
Merge branch 'main' into nk/use_getstate_for_pydantic
timkpaine Jul 18, 2025
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13 changes: 9 additions & 4 deletions csp/impl/struct.py
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Original file line number Diff line number Diff line change
Expand Up @@ -136,10 +136,15 @@ def create_instance(raw_data, validator):

def serializer(val, handler):
# We don't use 'to_dict' since that works recursively, we ignore underscore leading fields
new_val = {
k: getattr(val, k) for k in val.__full_metadata_typed__ if not k.startswith("_") and hasattr(val, k)
}
return handler(new_val)
# This matches __getstate__, but excludes underscore fields
new_dict = {}
for k in val.__full_metadata_typed__:
if k.startswith("_"):
continue
v = getattr(val, k, csp.UNSET)
if v is not csp.UNSET:
new_dict[k] = v
return handler(new_dict)

return core_schema.no_info_wrap_validator_function(
function=create_instance,
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