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release: v3.0.0 (#129)
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gadomski committed Jan 25, 2024
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2 changes: 1 addition & 1 deletion .pre-commit-config.yaml
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# See https://pre-commit.com/hooks.html for more hooks
repos:
- repo: https://github.com/pre-commit/pre-commit-hooks
rev: v4.0.1
rev: v4.5.0
hooks:
- id: end-of-file-fixer
- id: trailing-whitespace
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40 changes: 28 additions & 12 deletions README.md
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# stac-pydantic ![tests](https://github.com/arturo-ai/stac-pydantic/workflows/cicd/badge.svg)
[Pydantic](https://pydantic-docs.helpmanual.io/) models for [STAC](https://github.com/radiantearth/stac-spec) Catalogs, Collections, Items, and the [STAC API](https://github.com/radiantearth/stac-api-spec) spec. Initially developed by [arturo-ai](https://github.com/arturo-ai).
# stac-pydantic

[![GitHub Workflow Status (with event)](https://img.shields.io/github/actions/workflow/status/stac-utils/stac-pydantic/cicd.yml?style=for-the-badge)](https://github.com/stac-utils/stac-pydantic/actions/workflows/cicd.yml)

[Pydantic](https://pydantic-docs.helpmanual.io/) models for [STAC](https://github.com/radiantearth/stac-spec) Catalogs, Collections, Items, and the [STAC API](https://github.com/radiantearth/stac-api-spec) spec.
Initially developed by [arturo-ai](https://github.com/arturo-ai).

The main purpose of this library is to provide reusable request/response models for tools such as [fastapi](https://fastapi.tiangolo.com/).
For more comprehensive schema validation and robust extension support, use [pystac](https://github.com/stac-utils/pystac).

## Installation
```

```shell
pip install stac-pydantic
```

For local development:

```shell
pip install -e '.[dev,lint]'
```
pip install -e ".[all]"
```

| stac-pydantic | STAC Version |
|---------------|--------------|
| 1.1.x | 0.9.0 |
| 1.2.x | 1.0.0-beta.1 |
| 1.3.x | 1.0.0-beta.2 |
| 2.0.x | 1.0.0 |
| stac-pydantic | STAC Version | STAC API Version | Pydantic Version |
|--------------|---------------|------------------|-----------------|
| 1.2.x | 1.0.0-beta.1 | <1* | ^1.6 |
| 1.3.x | 1.0.0-beta.2 | <1* | ^1.6 |
| 2.0.x | 1.0.0 | <1* | ^1.6 |
| 3.0.x | 1.0.0 | 1.0.0 | ^2.4 |

\* various beta releases, specs not fully implemented

## Development

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```

### Extensions

STAC defines many extensions which let the user customize the data in their catalog. `stac-pydantic.extensions.validate_extensions` will validate a `dict`, `Item`, `Collection` or `Catalog` against the schema urls provided in the `stac_extensions` property:

```python
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The complete list of current STAC Extensions can be found [here](https://stac-extensions.github.io/).

#### Vendor Extensions

The same procedure described above works for any STAC Extension schema as long as it can be loaded from a public url.

### STAC API

The [STAC API Specs](https://github.com/radiantearth/stac-api-spec) extent the core STAC specification for implementing dynamic catalogs. STAC Objects used in an API context should always import models from the `api` subpackage. This package extends
Catalog, Collection, and Item models with additional fields and validation rules and introduces Collections and ItemCollections models and Pagination/ Search Links.
It also implements models for defining ItemSeach queries.
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```

### Exporting Models

Most STAC extensions are namespaced with a colon (ex `eo:gsd`) to keep them distinct from other extensions. Because
Python doesn't support the use of colons in variable names, we use [Pydantic aliasing](https://pydantic-docs.helpmanual.io/usage/model_config/#alias-generator)
to add the namespace upon model export. This requires [exporting](https://pydantic-docs.helpmanual.io/usage/exporting_models/)
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```

### CLI
```

```text
Usage: stac-pydantic [OPTIONS] COMMAND [ARGS]...
stac-pydantic cli group
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2 changes: 1 addition & 1 deletion stac_pydantic/version.py
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__version__ = "2.0.3"
__version__ = "3.0.0"
STAC_VERSION = "1.0.0"

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