1 utils.stages

utils.stages

Shared string enums for training-stage and schema-facing dispatch.

This module exports ValueStrEnum and the canonical Stage values used by configs, loggers, and persisted records. It owns stable string serialization and typed comparison only; experiment loops own stage transitions and storage schemas own compatibility/versioning policy.

String values remain stable across configuration, logging, and persisted metadata boundaries while enum members provide typed comparisons in Python.

1.1 Classes

Name	Description
Stage	Stages of the training lifecycle.
ValueStrEnum	StrEnum variant whose string form is always its underlying value.

1.1.1 Stage

utils.stages.Stage()

Stages of the training lifecycle.

1.1.1.1 Members

TRAIN: “train” VAL: “val” TEST: “test”

1.1.1.2 Methods

Name	Description
from_str	Map strings (e.g. “fit”, “validate”) back to Stage members.

1.1.1.2.1 from_str

utils.stages.Stage.from_str(value)

Map strings (e.g. “fit”, “validate”) back to Stage members.

1.1.2 ValueStrEnum

utils.stages.ValueStrEnum()

StrEnum variant whose string form is always its underlying value.

# utils.stages { #aria_nbv.utils.stages }

`utils.stages`

Shared string enums for training-stage and schema-facing dispatch.

This module exports :class:`ValueStrEnum` and the canonical :class:`Stage`
values used by configs, loggers, and persisted records. It owns stable string
serialization and typed comparison only; experiment loops own stage transitions
and storage schemas own compatibility/versioning policy.

String values remain stable across configuration, logging, and persisted
metadata boundaries while enum members provide typed comparisons in Python.

## Classes

| Name | Description |
| --- | --- |
| [Stage](#aria_nbv.utils.stages.Stage) | Stages of the training lifecycle. |
| [ValueStrEnum](#aria_nbv.utils.stages.ValueStrEnum) | StrEnum variant whose string form is always its underlying value. |

### Stage { #aria_nbv.utils.stages.Stage }

```python
utils.stages.Stage()
```

Stages of the training lifecycle.

#### Members {.doc-section .doc-section-members}

TRAIN: "train"
VAL: "val"
TEST: "test"

#### Methods

| Name | Description |
| --- | --- |
| [from_str](#aria_nbv.utils.stages.Stage.from_str) | Map strings (e.g. "fit", "validate") back to Stage members. |

##### from_str { #aria_nbv.utils.stages.Stage.from_str }

```python
utils.stages.Stage.from_str(value)
```

Map strings (e.g. "fit", "validate") back to Stage members.

### ValueStrEnum { #aria_nbv.utils.stages.ValueStrEnum }

```python
utils.stages.ValueStrEnum()
```

StrEnum variant whose string form is always its underlying value.