Andrea Borruso
05/31/2023, 1:59 PMwindspeed_10m
import httpx # requests capability, but can work with async
from prefect import flow, task
@task
def fetch_weather(lat: float, lon: float):
base_url = "<https://api.open-meteo.com/v1/forecast/>"
weather = httpx.get(
base_url,
params=dict(latitude=lat, longitude=lon, hourly="temperature_2m"),
)
most_recent_temp = float(weather.json()["hourly"]["temperature_2m"][0])
return most_recent_temp
@task
def fetch_windspeed(lat: float, lon: float):
base_url = "<https://api.open-meteo.com/v1/forecast/>"
weather = httpx.get(
base_url,
params=dict(latitude=lat, longitude=lon, hourly="windspeed_10m"),
)
most_recent_windspeed = float(weather.json()["hourly"]["windspeed_10m"][0])
return most_recent_windspeed
@task
def save_weather(temp: float):
with open("weather.csv", "w+") as w:
w.write(str(temp))
return "Successfully wrote temp"
@task
def save_windspeed(temp: float):
with open("windspeed.csv", "w+") as w:
w.write(str(temp))
return "Successfully wrote temp"
@flow
def pipeline(lat: float, lon: float):
temp = fetch_weather(lat, lon)
result = save_weather(temp)
return result
if __name__ == "__main__":
pipeline(38.9, -77.0)