## extract_validation_info()


Extract validation information from a given schema.


Usage

``` python
extract_validation_info(schema)
```


## Parameters


`schema: px.model.dataflow.Schema`  
The schema object containing all necessary validation information.


## Returns


`dict[str, object]`  
A dictionary containing validation information with the following keys:

- valid_comp: List of valid component names.
- mandatory_comp: List of mandatory component names.
- coded_comp: List of coded component names.
- codelist_ids: Dictionary with coded components as keys and list of codelist IDs as values.
- dim_comp: List of dimension component names.
- sdmx_cols: SDMX reference columns expected in the dataset (`STRUCTURE` / `STRUCTURE_ID` / `ACTION` for every schema context), resolved via the schema's context.