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import polars as pl
from datadex import materialize
def owid_energy_data() -> pl.DataFrame:
"""
Raw Energy data from Our World in Data.
"""
energy_owid_url = (
"https://raw.githubusercontent.com/owid/energy-data/master/owid-energy-data.csv"
)
return pl.read_csv(
energy_owid_url, try_parse_dates=True, infer_schema_length=None
).shrink_to_fit()
def owid_co2_data() -> pl.DataFrame:
"""
Raw CO2 data from Our World in Data.
"""
co2_owid_url = (
"https://raw.githubusercontent.com/owid/co2-data/master/owid-co2-data.csv"
)
return pl.read_csv(
co2_owid_url, try_parse_dates=True, infer_schema_length=None
).shrink_to_fit()
def owid_indicators() -> pl.DataFrame:
"""
Joined energy and CO2 data from Our World in Data.
"""
df: pl.DataFrame = owid_energy_data().join(
owid_co2_data(), on=["iso_code", "year"], how="inner", suffix="_co2"
)
return df.sort(["iso_code", "year"])
def main() -> None:
materialize(owid_indicators)
if __name__ == "__main__":
main()
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