Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use _build_columns_index method in pandera

Best Python code snippet using pandera_python

model.py

Source:model.py

...150        df_registered_checks = _convert_extras_to_checks(151            {} if cls.__extras__ is None else cls.__extras__152        )153        cls.__dataframe_checks__ = df_custom_checks + df_registered_checks154        columns, index = cls._build_columns_index(155            cls.__fields__, cls.__checks__, **mi_kwargs156        )157        kwargs = {}158        if cls.__config__ is not None:159            kwargs = {160                "coerce": cls.__config__.coerce,161                "strict": cls.__config__.strict,162                "name": cls.__config__.name,163                "ordered": cls.__config__.ordered,164                "unique": cls.__config__.unique,165                "title": cls.__config__.title,166                "description": cls.__config__.description or cls.__doc__,167            }168        cls.__schema__ = DataFrameSchema(169            columns,170            index=index,171            checks=cls.__dataframe_checks__,  # type: ignore172            **kwargs,173        )174        if cls not in MODEL_CACHE:175            MODEL_CACHE[cls] = cls.__schema__  # type: ignore176        return cls.__schema__  # type: ignore177    @classmethod178    def to_yaml(cls, stream: Optional[os.PathLike] = None):179        """180        Convert `Schema` to yaml using `io.to_yaml`.181        """182        return cls.to_schema().to_yaml(stream)183    @classmethod184    @docstring_substitution(validate_doc=DataFrameSchema.validate.__doc__)185    def validate(186        cls: Type[TSchemaModel],187        check_obj: pd.DataFrame,188        head: Optional[int] = None,189        tail: Optional[int] = None,190        sample: Optional[int] = None,191        random_state: Optional[int] = None,192        lazy: bool = False,193        inplace: bool = False,194    ) -> DataFrameBase[TSchemaModel]:195        """%(validate_doc)s"""196        return cast(197            DataFrameBase[TSchemaModel],198            cls.to_schema().validate(199                check_obj, head, tail, sample, random_state, lazy, inplace200            ),201        )202    @classmethod203    @docstring_substitution(strategy_doc=DataFrameSchema.strategy.__doc__)204    @st.strategy_import_error205    def strategy(cls: Type[TSchemaModel], *, size: Optional[int] = None):206        """%(strategy_doc)s"""207        return cls.to_schema().strategy(size=size)208    @classmethod209    @docstring_substitution(example_doc=DataFrameSchema.strategy.__doc__)210    @st.strategy_import_error211    def example(212        cls: Type[TSchemaModel], *, size: Optional[int] = None213    ) -> DataFrameBase[TSchemaModel]:214        """%(example_doc)s"""215        return cast(216            DataFrameBase[TSchemaModel], cls.to_schema().example(size=size)217        )218    @classmethod219    def _build_columns_index(  # pylint:disable=too-many-locals220        cls,221        fields: Dict[str, Tuple[AnnotationInfo, FieldInfo]],222        checks: Dict[str, List[Check]],223        **multiindex_kwargs: Any,224    ) -> Tuple[225        Dict[str, schema_components.Column],226        Optional[Union[schema_components.Index, schema_components.MultiIndex]],227    ]:228        index_count = sum(229            annotation.origin in INDEX_TYPES230            for annotation, _ in fields.values()231        )232        columns: Dict[str, schema_components.Column] = {}233        indices: List[schema_components.Index] = []...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.