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"""Asynchronous example: gas prices via REST API."""
import asyncio
from datetime import UTC, datetime
from energyzero import ( # pyright: ignore[reportMissingImports]
EnergyPrices,
EnergyZero,
PriceType,
)
def _price_to_string(price: float | None) -> str:
if price is None:
return "Unknown"
return f"€{price:0.3f}"
def _print_summary(data: EnergyPrices) -> None:
if len(data.prices) == 0:
print("No gas data available")
return
min_price, max_price = data.extreme_prices
print(f"Average price: {_price_to_string(data.average_price)}")
print(f"Min price: {_price_to_string(min_price)}")
print(f"Max price: {_price_to_string(max_price)}")
current = data.current_price
if current is not None:
print(f"Current price: {_price_to_string(current)}")
print(f"Percent of max: {data.pct_of_max_price}%")
print(f"Days <= current price: {data.time_ranges_priced_equal_or_lower}")
async def main() -> None:
"""Fetch current gas price via REST API."""
async with EnergyZero() as client:
today = datetime.now(UTC).astimezone().date()
prices = await client.get_gas_prices(
start_date=today,
price_type=PriceType.ALL_IN,
)
print(f"--- GAS {today.isoformat()} (REST) ---")
_print_summary(prices)
if __name__ == "__main__":
asyncio.run(main())
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