Get tile sizes from style-optimised vector tiles on Mapbox

get_tile_size.py

import mercantile
import requests
import settings

def getStyle():
    r = requests.get('https://api.mapbox.com/styles/v1/axismaps/' + settings.MAPBOX_STYLE + '?access_token=' + settings.MAPBOX_TOKEN)
    return r.json()['modified']

def download_tile(tileurl, tile, modified):
    url = tileurl + '/{z}/{x}/{y}.mvt'.format(**tile.__dict__)
    url += '?access_token=' + settings.MAPBOX_TOKEN
    url += '&style=mapbox://styles/axismaps/' + settings.MAPBOX_STYLE + '@' + modified
    
    r = requests.get(url)
    return int(r.headers['Content-Length'])


if __name__ == "__main__":
    zooms = [7, 8, 9, 10]
    bounds = -123.40, 45.47, -122.42, 46.33  # W, S, E, N
    tileurl = 'https://api.mapbox.com/v4/' + settings.MAPBOX_MAPID
    
    modified = getStyle()
    total_size = 0
    for tile in mercantile.tiles(*bounds, zooms=zooms):
        total_size += download_tile(tileurl, tile, modified)
    
    print total_size