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How to use _set_column_handler method in pandera

Best Python code snippet using pandera_python

schemas.py

Source:schemas.py

...237                        f"Check for Column {column_name} not "238                        "specified in the DataFrameSchema."239                    )240    def _set_column_names(self) -> None:241        def _set_column_handler(column, column_name):242            if column.name is not None and column.name != column_name:243                warnings.warn(244                    f"resetting column for {column} to '{column_name}'."245                )246            elif column.name == column_name:247                return column248            return column.set_name(column_name)249        self.columns = {250            column_name: _set_column_handler(column, column_name)251            for column_name, column in self.columns.items()252        }253    @property254    def dtypes(self) -> Dict[str, DataType]:255        # pylint:disable=anomalous-backslash-in-string256        """257        A dict where the keys are column names and values are258        :class:`~pandera.dtypes.DataType` s for the column. Excludes columns259        where `regex=True`.260        :returns: dictionary of columns and their associated dtypes.261        """262        regex_columns = [263            name for name, col in self.columns.items() if col.regex264        ]...

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