from opencage.geocoder import OpenCageGeocode
import json

key = '59713351589a4d55a9fa1b286191d47b'
geocoder = OpenCageGeocode(key)
towns = []

with open('towns.txt', encoding='utf8') as f:
    town = f.readline().strip('\n')
    while town:
        result = geocoder.geocode(town)
        if result and len(result):
            print("writing " + town)
            longitude = result[0]['geometry']['lng']
            latitude = result[0]['geometry']['lat']
            towns.append((town, {'lat': latitude, 'lon': longitude}))
            town = f.readline().strip('\n')

with open('lats_lons.txt', 'w+', encoding='utf8') as f:
    f.write(json.dumps(towns))