Adding "empty" method to DataFrameSchema and SchemaModel #1039
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disabled mypy so that I could commit/push, main is broken for me right now since 5aa7795 Changes to the pre-commit config needs to be fixed before a merge of course. |
| pandera.dtypes.DataType, | ||
| pandera.engines.numpy_engine.DataType, | ||
| pandera.engines.pandas_engine.DataType, | ||
| # these fail when trying to make columns from them, but probably shouldn't |
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I'd like to remove all exceptions that aren't *.Datatype, might be tough for those where pandera.Column(...) doesn't work though -- given that that's how pandera.Column is supposed to be used.
| @@ -521,6 +521,12 @@ def __modify_schema__(cls, field_schema): | |||
| """Update pydantic field schema.""" | |||
| field_schema.update(to_json_schema(cls.to_schema())) | |||
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| @classmethod | |||
| @docstring_substitution(validate_doc=DataFrameSchema.empty.__doc__) | |||
| def empty(cls: Type[TSchemaModel]) -> DataFrame[TSchemaModel]: | |||
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Not too sure DataFrame is the right return type here - I thought that the signature would be the same as validate, but pycharm kept complaining, and I couldn't run mypy to make sure.
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@a-recknagel (btw do you have feel free to add |
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They are installed. Yeah, getting details with types right is a lot of work 😓 |
Signed-off-by: Arne Recknagel <[email protected]>
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