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EOS/src/akkudoktoreos/prediction/prediction.py
Bobby Noelte 75548990e1
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feat: add cloud PV forecast providers: pvnode.com, forecast-solar and solcast (#1150)
This PR adds three native PV power forecast providers, giving operators more
cloud forecast sources to choose from via pvforecast.provider, alongside the
existing PVForecastAkkudoktor, PVForecastVrm and PVForecastImport:

    PVForecastPVNode — native 15-minute forecasts from the pvnode.com
    V2 API. Saved-site mode (GET /v2/forecast/{site_id}) where the operator enters their API key +
    site id, or inline mode (POST /v2/forecast/inline) using the configured planes.
    PVForecastForecastSolar — the free Forecast.Solar API (no key
    required for the public endpoint). Multi-plane systems issue one request per plane and the
    instantaneous powers are summed per timestamp.
    PVForecastSolcast — the Solcast rooftop-site API (API key + resource id).

Implementation notes

    All three populate the existing pvforecast_ac_power (and mirror pvforecast_dc_power)
    prediction keys, so they slot into the optimizer unchanged.
    Timezone handling: pvnode and Forecast.Solar return site-local wall-clock timestamps with an
    IANA timezone field, which are resolved to absolute instants before resampling; Solcast returns
    UTC period_end and is normalised to the period start.
    Each provider follows the existing provider pattern (provider_id(), _request_forecast() with
    @cache_in_file, _update_data()), is registered in pvforecast.py and prediction.py, and is
    upstream-neutral.

Validation

    27 unit tests (timezone resolution, null/zero handling, kW→W and period-start conversion,
    azimuth conversion, multi-plane summation, request URL/auth, HTTP-error handling).
    ruff check (F/D/S/bandit) and ruff format clean.
    Each provider was additionally validated against its live API with a real plant, confirming
    the response shapes (pvnode: 288 native 15-min slots; Forecast.Solar: instantaneous watts;
    Solcast: kW estimates with period_end/PT30M).

Documentation

    Provider descriptions and configuration examples added to docs/akkudoktoreos/prediction.md.
    CHANGELOG.md entry under Unreleased.
    Regenerated docs/_generated/configpvforecast.md and configexample.md.

Notes for reviewers

Forecast.Solar's free endpoint is rate-limited (12 req/hour) and Solcast's free tier limits daily
calls; both providers rely on the standard 1-hour cache_in_file TTL to stay within budget.

Authors:

The code is created by Christin. Only minor adaptions by Bobby.

Signed-off-by: Christin <info@bikinibottom.capital>
Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
Co-authored-by: Christin <info@bikinibottom.capital>
2026-07-17 16:51:00 +02:00

205 lines
6.8 KiB
Python

"""Prediction module for weather and photovoltaic forecasts.
This module provides a `Prediction` class to manage and update a sequence of
prediction providers. The `Prediction` class is a subclass of `PredictionContainer`
and is initialized with a set of forecast providers, such as `WeatherBrightSky`,
`WeatherClearOutside`, and `PVForecastAkkudoktor`.
Usage:
Instantiate the `Prediction` class with the required providers, maintaining
the necessary order. Then call the `update` method to refresh forecasts from
all providers in sequence.
Example:
# Create singleton prediction instance with prediction providers
from akkudoktoreos.prediction.prediction import prediction
await prediction.update_data()
print("Prediction:", prediction)
Classes:
Prediction: Manages a list of forecast providers to fetch and update predictions.
Attributes:
pvforecast_akkudoktor (PVForecastAkkudoktor): Forecast provider for photovoltaic data.
weather_brightsky (WeatherBrightSky): Weather forecast provider using BrightSky.
weather_clearoutside (WeatherClearOutside): Weather forecast provider using ClearOutside.
"""
from typing import Optional, Union
from pydantic import Field
from akkudoktoreos.config.configabc import SettingsBaseModel
from akkudoktoreos.prediction.elecpriceakkudoktor import ElecPriceAkkudoktor
from akkudoktoreos.prediction.elecpriceenergycharts import ElecPriceEnergyCharts
from akkudoktoreos.prediction.elecpricefixed import ElecPriceFixed
from akkudoktoreos.prediction.elecpriceimport import ElecPriceImport
from akkudoktoreos.prediction.feedintarifffixed import FeedInTariffFixed
from akkudoktoreos.prediction.feedintariffimport import FeedInTariffImport
from akkudoktoreos.prediction.loadakkudoktor import (
LoadAkkudoktor,
LoadAkkudoktorAdjusted,
)
from akkudoktoreos.prediction.loadimport import LoadImport
from akkudoktoreos.prediction.loadvrm import LoadVrm
from akkudoktoreos.prediction.predictionabc import PredictionContainer
from akkudoktoreos.prediction.pvforecastakkudoktor import PVForecastAkkudoktor
from akkudoktoreos.prediction.pvforecastforecastsolar import PVForecastForecastSolar
from akkudoktoreos.prediction.pvforecastimport import PVForecastImport
from akkudoktoreos.prediction.pvforecastpvnode import PVForecastPVNode
from akkudoktoreos.prediction.pvforecastsolcast import PVForecastSolcast
from akkudoktoreos.prediction.pvforecastvrm import PVForecastVrm
from akkudoktoreos.prediction.weatherbrightsky import WeatherBrightSky
from akkudoktoreos.prediction.weatherclearoutside import WeatherClearOutside
from akkudoktoreos.prediction.weatherimport import WeatherImport
from akkudoktoreos.prediction.weatheropenmeteo import WeatherOpenMeteo
class PredictionCommonSettings(SettingsBaseModel):
"""General Prediction Configuration."""
hours: Optional[int] = Field(
default=48,
ge=0,
json_schema_extra={"description": "Number of hours into the future for predictions"},
)
historic_hours: Optional[int] = Field(
default=48,
ge=0,
json_schema_extra={
"description": "Number of hours into the past for historical predictions data"
},
)
# Initialize forecast providers, all are singletons.
elecprice_akkudoktor = ElecPriceAkkudoktor()
elecprice_energy_charts = ElecPriceEnergyCharts()
elecprice_fixed = ElecPriceFixed()
elecprice_import = ElecPriceImport()
feedintariff_fixed = FeedInTariffFixed()
feedintariff_import = FeedInTariffImport()
loadforecast_akkudoktor = LoadAkkudoktor()
loadforecast_akkudoktor_adjusted = LoadAkkudoktorAdjusted()
loadforecast_vrm = LoadVrm()
loadforecast_import = LoadImport()
pvforecast_akkudoktor = PVForecastAkkudoktor()
pvforecast_vrm = PVForecastVrm()
pvforecast_pvnode = PVForecastPVNode()
pvforecast_forecastsolar = PVForecastForecastSolar()
pvforecast_solcast = PVForecastSolcast()
pvforecast_import = PVForecastImport()
weather_brightsky = WeatherBrightSky()
weather_clearoutside = WeatherClearOutside()
weather_openmeteo = WeatherOpenMeteo()
weather_import = WeatherImport()
def prediction_providers() -> list[
Union[
ElecPriceAkkudoktor,
ElecPriceEnergyCharts,
ElecPriceFixed,
ElecPriceImport,
FeedInTariffFixed,
FeedInTariffImport,
LoadAkkudoktor,
LoadAkkudoktorAdjusted,
LoadVrm,
LoadImport,
PVForecastAkkudoktor,
PVForecastVrm,
PVForecastPVNode,
PVForecastForecastSolar,
PVForecastSolcast,
PVForecastImport,
WeatherBrightSky,
WeatherClearOutside,
WeatherOpenMeteo,
WeatherImport,
]
]:
"""Return list of prediction providers.
Factory for prediction container.
"""
global \
elecprice_akkudoktor, \
elecprice_energy_charts, \
elecprice_fixed, \
elecprice_import, \
feedintariff_fixed, \
feedintariff_import, \
loadforecast_akkudoktor, \
loadforecast_akkudoktor_adjusted, \
loadforecast_vrm, \
loadforecast_import, \
pvforecast_akkudoktor, \
pvforecast_vrm, \
pvforecast_pvnode, \
pvforecast_forecastsolar, \
pvforecast_solcast, \
pvforecast_import, \
weather_brightsky, \
weather_clearoutside, \
weather_openmeteo, \
weather_import
# Care for provider sequence as providers may rely on others to be updated before.
return [
elecprice_akkudoktor,
elecprice_energy_charts,
elecprice_fixed,
elecprice_import,
feedintariff_fixed,
feedintariff_import,
loadforecast_akkudoktor,
loadforecast_akkudoktor_adjusted,
loadforecast_vrm,
loadforecast_import,
pvforecast_akkudoktor,
pvforecast_vrm,
pvforecast_pvnode,
pvforecast_forecastsolar,
pvforecast_solcast,
pvforecast_import,
weather_brightsky,
weather_clearoutside,
weather_openmeteo,
weather_import,
]
class Prediction(PredictionContainer):
"""Prediction container to manage multiple prediction providers."""
providers: list[
Union[
ElecPriceAkkudoktor,
ElecPriceEnergyCharts,
ElecPriceFixed,
ElecPriceImport,
FeedInTariffFixed,
FeedInTariffImport,
LoadAkkudoktor,
LoadAkkudoktorAdjusted,
LoadVrm,
LoadImport,
PVForecastAkkudoktor,
PVForecastVrm,
PVForecastPVNode,
PVForecastForecastSolar,
PVForecastSolcast,
PVForecastImport,
WeatherBrightSky,
WeatherClearOutside,
WeatherOpenMeteo,
WeatherImport,
]
] = Field(
default_factory=prediction_providers,
json_schema_extra={"description": "List of prediction providers"},
)