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jua-python-sdk 최신버젼 다운로드

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# Jua Python SDK

**Access industry-leading weather forecasts with ease**

The Jua Python SDK provides a simple and powerful interface to Jua's state-of-the-art weather forecasting capabilities. Easily integrate accurate weather data into your applications, research, or analysis workflows.

## Getting Started 🚀

### Prerequisites

- Python 3.11 or higher
- Internet connection for API access

### Installation

Install `jua` with pip:

```
pip install jua
```

Alternatively, checkout [uv](https://docs.astral.sh/uv/) for managing dependencies and Python versions:

```bash
uv init && uv add jua
```

### Authentication

Simply run `jua auth` to authenticate via your web browser. Make sure you are already logged in the [developer portal](https://developer.jua.ai).
Alternatively, generate an API key from the [Jua dashboard](https://developer.jua.ai/api-keys) and save it to `~/.jua/default/api-key.json`.

## Examples

### Obtaining the metadata for a model

```python
from jua import JuaClient
from jua.weather import Models

client = JuaClient()
model = client.weather.get_model(Models.EPT1_5)
metadata = model.get_metadata()

# Print the metadata
print(metadata)
```

### Getting the forecast runs available for a model

```python
from jua import JuaClient
from jua.weather import Models

client = JuaClient()

# Getting metadata the latest forecast run
latest = model.get_latest_init_time()
print(latest)

# Fetching model runs
available_forecasts = model.get_available_forecasts()

# Fetching all model runs for January 2025
#   Results are paginated so we might need to iterate through
result = model.get_available_forecasts(
    since=datetime(2025, 1, 1),
    before=datetime(2025, 1, 31, 23, 59),
    limit=100,
)
all_forecasts = list(result.forecasts)
while result.has_more:
    print("Fetching next page")
    result = result.next()
    all_forecasts.extend(result.forecasts)
```

### Access the latest 20-day forecast for a point location

Retrieve temperature forecasts for Zurich and visualize the data:

```python
import matplotlib.pyplot as plt
from jua import JuaClient
from jua.types.geo import LatLon
from jua.weather import Models, Variables

client = JuaClient()
model = client.weather.get_model(Models.EPT1_5)
zurich = LatLon(lat=47.3769, lon=8.5417)

# Check if 10-day forecast is ready for the latest available init_time
is_ten_day_ready = model.is_ready(forecasted_hours=240)

# Get latest forecast
if is_ten_day_ready:
    forecast = model.get_forecasts(points=[zurich], max_lead_time=240)
    temp_data = forecast[Variables.AIR_TEMPERATURE_AT_HEIGHT_LEVEL_2M]
    temp_data.to_celcius().to_absolute_time().plot()
    plt.show()
```

<details>
<summary>Show output</summary>

![Forecast Zurich 20d](https://raw.githubusercontent.com/juaAI/jua-python-sdk/main/content/readme/forecast_zurich.png)

</details>

### Access historical weather data

Historical data can be accessed in the same way. In this case, we get all EPT2 forecasts from January 2024, and plot the first 5 together.

```python
from datetime import datetime

import matplotlib.pyplot as plt
from jua import JuaClient
from jua.weather import Models, Variables

client = JuaClient()
zurich = LatLon(lat=47.3769, lon=8.5417)
model = client.weather.get_model(Models.EPT2)
hindcast = model.get_forecasts(
    init_time=slice(
        datetime(2024, 1, 1, 0),
        datetime(2024, 1, 31, 0),
    ),
    points=[zurich],
    min_lead_time=0,
    max_lead_time=(5 * 24),
    variables=[Variables.AIR_TEMPERATURE_AT_HEIGHT_LEVEL_2M],
    method="nearest",
)
data = hindcast[Variables.AIR_TEMPERATURE_AT_HEIGHT_LEVEL_2M]

# Compare the first 5 runs of January
fig, ax = plt.subplots(figsize=(15, 8))
for i in range(5):
    forecast_data = data.isel(init_time=i, points=0).to_celcius().to_absolute_time()
    forecast_data.plot(ax=ax, label=forecast_data.init_time.values)
plt.legend()
plt.show()
```

<details>
<summary>Show output</summary>

![Europe Hindcast](https://raw.githubusercontent.com/juaAI/jua-python-sdk/main/content/readme/hindcast_zurich.png)

### Accessing Market Aggregates

The `AggregateVariables` enum provides the following variables:

- `WIND_SPEED_AT_HEIGHT_LEVEL_10M` - Wind speed at 10m height (`Weighting.WIND_CAPACITY`)
- `WIND_SPEED_AT_HEIGHT_LEVEL_100M` - Wind speed at 100m height (`Weighting.WIND_CAPACITY`)
- `SURFACE_DOWNWELLING_SHORTWAVE_FLUX_SUM_1H` - Surface downwelling shortwave flux (`Weighting.SOLAR_CAPACITY`)
- `AIR_TEMPERATURE_AT_HEIGHT_LEVEL_2M` - Air temperature at 2m height (`Weighting.POPULATION`)

Comparing the latest EPT2 and ECMWF IFS run for the Ireland and Northern Ireland market zones:

```python
from jua import JuaClient
from jua.market_aggregates import AggregateVariables, ModelRuns
from jua.types import Countries, MarketZones
from jua.weather import Models, Variables

client = JuaClient()

# Create energy market using MarketZones enum
ir_nir = client.market_aggregates.get_market([MarketZones.IE, MarketZones.GB_NIR])

# Get the market aggregates for the latest EPT2 and ECMWF IFS runs
model_runs = [ModelRuns(Models.EPT2, 0), ModelRuns(Models.ECMWF_IFS_SINGLE, 0)]
ds = ir_nir.compare_runs(
    agg_variable=AggregateVariables.WIND_SPEED_AT_HEIGHT_LEVEL_10M,
    model_runs=model_runs,
    max_lead_time=24,
)

print("Retrieved dataset:")
print(ds)
print()
```

Obtaining all market zones for a country:

```python
from jua.types import Countries, MarketZones

norway_zones = MarketZones.filter_by_country(Countries.NORWAY)
print(f"Norwegian zones: {[z.zone_name for z in norway_zones]}")
```

</details>

## Documentation

For comprehensive documentation, visit [docs.jua.ai](https://docs.jua.ai).

## Contributing

See the [contribution guide](./CONTRIBUTING.md) to get started.

## Changes

See the [changelog](./CHANGELOG.md) for the latest changes.

## Support

If you encounter any issues or have questions, please:

- Check the [documentation](https://docs.jua.ai)
- Open an issue on GitHub
- Contact support@jua.ai

## License

This project is licensed under the MIT License - see the LICENSE file for details.

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