Thanks for reaching out. Can you please provide me the full station name from which you are trying to retrieve the data?

from simple_dwd_weatherforecast.

from simple_dwd_weatherforecast.

Ok, so then it might be related to connection problems. This error can only occur if there were retrieved no or only erroneous data. I could improve the error handling to make this more transparent and make troubleshooting more easily.

from simple_dwd_weatherforecast.

from simple_dwd_weatherforecast.

Oh, now I understand you. Can you please provide a code snippet which produces the error?

from simple_dwd_weatherforecast.

from simple_dwd_weatherforecast.

This hasn't worked unfortunately. The code is not visible for me. Can you please send me the snippet again?

from simple_dwd_weatherforecast.

from simple_dwd_weatherforecast.

Hi, first of all, sorry for the late replies. I was not at home. Unfortunately, I can't see your code. Can you please try to attach the code via the webbrowser instead of mail?

from simple_dwd_weatherforecast.

Hi, here is the code:
from geopy.geocoders import Nominatim

Initialize Nominatim API

geolocator = Nominatim(user_agent="MyChatbot")

For the weather forecast the dwd (Deutscher Wetter Dfrom simple_dwd_weatherforecast import dwdforecast

from simple_dwd_weatherforecast import dwdforecast
from datetime import datetime, timedelta, timezone

Weather functions

Return the location information for a given city name

def getLocation(name):
if name is None:
return None
try:
location = geolocator.geocode(name)
except:
global errorMessage
errorMessage = "Error while looking for location"
return None
return location

Returns the weather (the temperature and the cloud coverage) for a location

This is just an example. A lot of more values are possible.

def getWeather(location, time):
if location is None:
return None

# Attention: There is a bug in the simple_dwd_weatherforecast library. If you call the next functions multiple times for the
# same locationit crashes. I have sent a bug report to the developers on github.com.
try: 
    next_weather_station = dwdforecast.get_nearest_station_id(location.latitude, location.longitude)
    if next_weather_station is not None:
        print("Station ID found: ", next_weather_station)
        dwd_weather = dwdforecast.Weather(next_weather_station)
        # print("Looking for weather at ", next_weather_station, " for time ", time)
        temperature    = dwd_weather.get_forecast_data(dwdforecast.WeatherDataType.TEMPERATURE, time) - 273.16
        cloud_coverage = dwd_weather.get_forecast_data(dwdforecast.WeatherDataType.CLOUD_COVERAGE, time)
        return temperature, cloud_coverage
    else:
        return None
except:
    global errorMessage
    errorMessage = "Error while looking for weather"
    return None, None

myLocation = getLocation('Altenstadt')
time_now = datetime.today()
time_tomorrow = datetime.today() + timedelta(days=+1)
print(getWeather(myLocation, time_now))
print(getWeather(myLocation, time_tomorrow))

from simple_dwd_weatherforecast.

Ok, I see. You are forcing a new init of the Weather class without actually requesting the new weather data. With your approach there will be a second request to the DWD server which is unnecessary, as the class stores the data for the next days in a single request.

Here is a modified version of your code, which performs your request:

from geopy.geocoders import Nominatim

# Initialize Nominatim API
geolocator = Nominatim(user_agent="MyChatbot")

# For the weather forecast the dwd (Deutscher Wetter Dfrom simple_dwd_weatherforecast import dwdforecast
from simple_dwd_weatherforecast import dwdforecast
from datetime import datetime, timedelta, timezone

# Weather functions
# Return the location information for a given city name
def getLocation(name):
    if name is None:
        return None
    try:
        location = geolocator.geocode(name)
    except:
        global errorMessage
        errorMessage = "Error while looking for location"
        return None
    return location

class CustomWeather:
    weather_station = None
    def __init__(self, location):
        next_station_id = dwdforecast.get_nearest_station_id(location.latitude, location.longitude)
        print("Station ID found: ", next_station_id)
        self.weather_station = dwdforecast.Weather(next_station_id)
    
    def getWeather(self, time):
        # print("Looking for weather at ", next_weather_station, " for time ", time)
        temperature    = round(self.weather_station.get_forecast_data(dwdforecast.WeatherDataType.TEMPERATURE, time) - 273.16, 2)
        cloud_coverage = self.weather_station.get_forecast_data(dwdforecast.WeatherDataType.CLOUD_COVERAGE, time)
        return temperature, cloud_coverage

myLocation = getLocation('Altenstadt')
# Init the CustomWeatherClass
myWeather = CustomWeather(myLocation)

time_now = datetime.today()
time_tomorrow = datetime.today() + timedelta(days=+1)

print(myWeather.getWeather(time_now))
print(myWeather.getWeather(time_tomorrow))

I hope this helps.

from simple_dwd_weatherforecast.

from simple_dwd_weatherforecast.

Ok. Glad you could resolve it. May I close this issue then?

from simple_dwd_weatherforecast.

from simple_dwd_weatherforecast.

I agree. But can you please give me then a code example which produces this error? I was unable to reproduce this.

from simple_dwd_weatherforecast.

from simple_dwd_weatherforecast.