# flyteplugins.polars.df_transformer

## Directory

### Classes

| Class | Description |
|-|-|
| [`ParquetToPolarsDecodingHandler`](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/parquettopolarsdecodinghandler/page.md) |  |
| [`ParquetToPolarsLazyFrameDecodingHandler`](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/parquettopolarslazyframedecodinghandler/page.md) |  |
| [`PolarsLazyFrameToParquetEncodingHandler`](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/polarslazyframetoparquetencodinghandler/page.md) |  |
| [`PolarsToParquetEncodingHandler`](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/polarstoparquetencodinghandler/page.md) |  |

### Methods

| Method | Description |
|-|-|
| [`get_polars_storage_options()`](#get_polars_storage_options) | Get storage options in a format compatible with Polars. |

### Variables

| Property | Type | Description |
|-|-|-|
| `PARQUET` | `str` |  |

## Methods

#### get_polars_storage_options()

```python
def get_polars_storage_options(
    protocol: typing.Optional[str],
    anonymous: bool,
) -> typing.Dict[str, str]
```
Get storage options in a format compatible with Polars.

Polars requires storage_options to be a flat dict with string keys and values,
unlike fsspec which accepts nested dicts and complex objects.

| Parameter | Type | Description |
|-|-|-|
| `protocol` | `typing.Optional[str]` | |
| `anonymous` | `bool` | |

## Subpages

- [ParquetToPolarsDecodingHandler](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/parquettopolarsdecodinghandler/page.md)
  - Parameters
  - Properties
  - Methods
  - decode()
- [ParquetToPolarsLazyFrameDecodingHandler](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/parquettopolarslazyframedecodinghandler/page.md)
  - Parameters
  - Properties
  - Methods
  - decode()
- [PolarsLazyFrameToParquetEncodingHandler](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/polarslazyframetoparquetencodinghandler/page.md)
  - Parameters
  - Properties
  - Methods
  - encode()
- [PolarsToParquetEncodingHandler](https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/polarstoparquetencodinghandler/page.md)
  - Parameters
  - Properties
  - Methods
  - encode()

---
**Source**: https://github.com/unionai/unionai-docs/blob/main/content/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/_index.md
**HTML**: https://www.union.ai/docs/v2/union/api-reference/integrations/polars/packages/flyteplugins.polars.df_transformer/