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fix: set default to None for pydantic generator #1663

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merged 2 commits into from
Dec 19, 2023
Merged

fix: set default to None for pydantic generator #1663

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1643da1
fix: set default to None for optional fields
Harshil-Jani Dec 15, 2023
9407c3f
Merge branch 'master' into harshil/fix-pydantic
Harshil-Jani Dec 19, 2023
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6 changes: 3 additions & 3 deletions examples/generate-python-pydantic-models/__snapshots__/index.spec.ts.snap
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,10 @@
exports[`Should be able to render python models and should log expected output to console: class-model 1`] = `
Array [
"class Root(BaseModel):
optionalField: Optional[str] = Field(alias='''this field is optional''')
optionalField: Optional[str] = Field(alias='''this field is optional''', default=None)
requiredField: str = Field(alias='''this field is required''')
noDescription: Optional[str] = Field()
options: Optional[Options] = Field()
noDescription: Optional[str] = Field(default=None)
options: Optional[Options] = Field(default=None)
",
]
`;
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18 changes: 11 additions & 7 deletions src/generators/python/presets/Pydantic.ts
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Expand Up @@ -18,14 +18,18 @@ const PYTHON_PYDANTIC_CLASS_PRESET: ClassPresetType<PythonOptions> = {
);
},
property(params) {
const type = params.property.required
? params.property.property.type
: `Optional[${params.property.property.type}]`;
const alias = params.property.property.originalInput['description']
? `alias='''${params.property.property.originalInput['description']}'''`
: '';
const { propertyName, required, property } = params.property;
const type = required ? property.type : `Optional[${property.type}]`;
const description = property.originalInput['description'];
const alias = description ? `alias='''${description}'''` : '';
const defaultValue = required ? '' : 'default=None';

return `${params.property.propertyName}: ${type} = Field(${alias})`;
if (alias && defaultValue) {
return `${propertyName}: ${type} = Field(${alias}, ${defaultValue})`;
} else if (alias) {
return `${propertyName}: ${type} = Field(${alias})`;
}
return `${propertyName}: ${type} = Field(${defaultValue})`;
},
ctor: () => '',
getter: () => '',
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4 changes: 2 additions & 2 deletions test/generators/python/presets/__snapshots__/Pydantic.spec.ts.snap
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Expand Up @@ -5,7 +5,7 @@ exports[`PYTHON_PYDANTIC_PRESET should render pydantic for class 1`] = `
prop: Optional[str] = Field(alias='''test
multi
line
description''')
additionalProperties: Optional[dict[Any, Any]] = Field()
description''', default=None)
additionalProperties: Optional[dict[Any, Any]] = Field(default=None)
"
`;
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