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"""

Get CO2 emission data from the UK CarbonIntensity API

"""

from datetime import date

import requests

BASE_URL = "https://api.carbonintensity.org.uk/intensity"

# Emission in the last half hour

def fetch_last_half_hour() -> str:

last_half_hour = requests.get(BASE_URL).json()["data"][0]

return last_half_hour["intensity"]["actual"]

# Emissions in a specific date range

def fetch_from_to(start, end) -> list:

return requests.get(f"{BASE_URL}/{start}/{end}").json()["data"]

if __name__ == "__main__":

for entry in fetch_from_to(start=date(2020, 10, 1), end=date(2020, 10, 3)):

print("from {from} to {to}: {intensity[actual]}".format(**entry))

print(f"{fetch_last_half_hour() = }")