# nws-aurora

Download forecast data for Aurora Borealis and Aurora Australis from the [National Weather Service](https://www.swpc.noaa.gov/products/aurora-30-minute-forecast)

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## Installation

```bash
pipenv install nws-aurora
```

## Command-line usage

```bash
Usage: nwsaurora [OPTIONS] COMMAND [ARGS]...

  A command-line interface for downloading forecast data for Aurora Borealis
  and Aurora Australis from the National Weather Service

Options:
  --help  Show this message and exit.

Commands:
  forecast  Get Ovation Aurora Short Term Forecast data
  grid      Get auroral data in a gridded format for the entire Earth
  images    Ovation model images from the last 24 hours
```

Download data from the National Weather Service.

```bash
nwsaurora images --pole=north
nwsaurora images --pole=south
nwsaurora images --pole=north --latest
nwsaurora images --pole=south --latest
nwsaurora grid
nwsaurora forecast
```

## Python usage

Import the library.

```python
import nws_aurora

nws_aurora.get_images("north")
nws_aurora.get_images("south")
nws_aurora.get_latest_image("north")
nws_aurora.get_latest_image("south")
nws_aurora.grid()
nws_aurora.forecast()
```

## Contributing

Install dependencies for development.

```bash
pipenv install --dev
```

Run tests.

```bash
pipenv run test.py
```

## Developing the CLI

The command-line interface is implemented using Click and setuptools. To install it locally for development inside your virtual environment, run the following installation command, as prescribed by the [Click documentation](https://click.palletsprojects.com/en/7.x/setuptools/#setuptools-integration).

```bash
pipenv run pip install --editable .
```

## Other resources

* Source: [www.swpc.noaa.gov](https://www.swpc.noaa.gov/products/aurora-30-minute-forecast)
* Issues: [github.com/datadesk/nws-aurora/issues](https://github.com/datadesk/nws-aurora/issues)
* Packaging: [pypi.python.org/pypi/nws-aurora](https://pypi.python.org/pypi/nws-aurora)
* Testing: [github.com/datadesk/nws-aurora/actions](https://github.com/datadesk/nws-aurora/actions)