Gets the closest airport from a coordinate using OpenFlights airports.dat

closest_airport_openflights.py

def get_closest_airport(latitude, longitude):
	import csv
	from geopy.distance import geodesic
	plane = (latitude, longitude)
	header = ["id", "name", "city", "country", "iata", "icao",  "lat", "lng", "alt", "tz", "dst", "tz_db", "type", "source"]
	with open('airports.dat', encoding='utf-8') as airport_dat:
		airport_dat_reader = csv.DictReader(filter(lambda row: row[0]!='#', airport_dat), header)
		for airport in airport_dat_reader:
			airport_coord = float(airport['lat']), float(airport['lng'])
			airport_dist = float((geodesic(plane, airport_coord).mi))
			if "closest_airport_dict" not in locals():
				closest_airport_dict = airport
				closest_airport_dist = airport_dist
			elif airport_dist < closest_airport_dist:
				closest_airport_dict = airport
				closest_airport_dist = airport_dist
		closest_airport_dict['distance'] = closest_airport_dist
	print("Closest Airport:", closest_airport_dict['icao'], closest_airport_dict['name'], closest_airport_dist, "Miles Away")
	return closest_airport_dict