detection of nearest METAR

rowers/weather.py

@@ -2,12 +2,23 @@ import requests
 import json
 import time
 from datetime import datetime
-from rowingdata import rowingdata
+from rowingdata import rowingdata,geo_distance
 import pandas as pd
 from rowers.models import Rower, Workout
 
 from rowsandall_app.settings import FORECAST_IO_KEY
 
+# Find closest airport
+def get_airport_code(lat,lon):
+    metardata = pd.read_csv('rowers/data/metarlatlon.csv')
+    deltasq = (lat-metardata.lat)**2+(lon-metardata.lon)**2
+    a = metardata[deltasq == deltasq.min()]
+    airport_code = a.iloc[0]['icao']
+    newlat = a.iloc[0]['lat']
+    newlon = a.iloc[0]['lon']
+    distance = geo_distance(lat,lon,newlat,newlon)
+    return airport_code,newlat,newlon,distance
+    
 # Get weather data from the DarkSky API
 def get_weather_data(long,lat,unixtime):
     url = "https://api.darksky.net/forecast/"+FORECAST_IO_KEY+"/"