How to use _try_coercion method in pandera

Best Python code snippet using pandera_python

schemas.py

Source:schemas.py

...323        :param obj: dataframe to coerce.324        :returns: dataframe with coerced dtypes325        """326        error_handler = SchemaErrorHandler(lazy=True)327        def _try_coercion(coerce_fn, obj):328            try:329                return coerce_fn(obj)330            except errors.SchemaError as exc:331                error_handler.collect_error("dtype_coercion_error", exc)332                return obj333        for colname, col_schema in self.columns.items():334            if col_schema.regex:335                try:336                    matched_columns = col_schema.get_regex_columns(obj.columns)337                except errors.SchemaError:338                    matched_columns = pd.Index([])339                for matched_colname in matched_columns:340                    if col_schema.coerce or self.coerce:341                        obj[matched_colname] = _try_coercion(342                            col_schema.coerce_dtype, obj[matched_colname]343                        )344            elif (345                (col_schema.coerce or self.coerce)346                and self.dtype is None347                and colname in obj348            ):349                obj[colname] = _try_coercion(350                    col_schema.coerce_dtype, obj[colname]351                )352        if self.dtype is not None:353            obj = _try_coercion(self._coerce_dtype, obj)354        if self.index is not None and (self.index.coerce or self.coerce):355            index_schema = copy.deepcopy(self.index)356            if self.coerce:357                # coercing at the dataframe-level should apply index coercion358                # for both single- and multi-indexes.359                index_schema._coerce = True360            coerced_index = _try_coercion(index_schema.coerce_dtype, obj.index)361            if coerced_index is not None:362                obj.index = coerced_index363        if error_handler.collected_errors:364            raise errors.SchemaErrors(error_handler.collected_errors, obj)365        return obj366    def validate(367        self,368        check_obj: pd.DataFrame,369        head: Optional[int] = None,370        tail: Optional[int] = None,371        sample: Optional[int] = None,372        random_state: Optional[int] = None,373        lazy: bool = False,374        inplace: bool = False,...

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.