How to use _build_columns_index method in pandera

Best Python code snippet using pandera_python

model.py

Source: model.py Github

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...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] = []...

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