49 lines
1.5 KiB
Python
49 lines
1.5 KiB
Python
import asyncpg
|
|
import io
|
|
import os
|
|
|
|
import logging
|
|
import tornado
|
|
import tornado.web
|
|
from tornado.log import enable_pretty_logging
|
|
from functools import partial
|
|
import mercantile
|
|
import pyproj
|
|
import yaml
|
|
import sys
|
|
import itertools
|
|
|
|
log = logging.getLogger('tornado.application')
|
|
|
|
def GetTM2Source(file):
|
|
with open(file,'r') as stream:
|
|
tm2source = yaml.load(stream)
|
|
return tm2source
|
|
|
|
dsn = 'postgresql://'+os.getenv('POSTGRES_USER','openmaptiles')+':'+os.getenv('POSTGRES_PASSWORD','openmaptiles')+'@'+os.getenv('POSTGRES_HOST','postgres')+':'+os.getenv('POSTGRES_PORT','5432')+'/'+os.getenv('POSTGRES_DB','openmaptiles')
|
|
|
|
|
|
class GetTile(tornado.web.RequestHandler):
|
|
def initialize(self, pool):
|
|
self.pool = pool
|
|
|
|
async def get(self, zoom,x,y):
|
|
self.set_header("Content-Type", "application/x-protobuf")
|
|
self.set_header("Content-Disposition", "attachment")
|
|
self.set_header("Access-Control-Allow-Origin", "*")
|
|
async with self.pool.acquire() as connection:
|
|
tile = await connection.fetchval("SELECT gettile($1, $2, $3)", int(zoom), int(x), int(y))
|
|
self.write(tile)
|
|
|
|
def m():
|
|
enable_pretty_logging()
|
|
io_loop = tornado.ioloop.IOLoop.current()
|
|
pool = io_loop.run_sync(partial(asyncpg.create_pool, dsn=dsn))
|
|
application = tornado.web.Application([(r"/tiles/([0-9]+)/([0-9]+)/([0-9]+).pbf", GetTile, dict(pool=pool))])
|
|
print("Postserve started..")
|
|
application.listen(int(os.getenv("LISTEN_PORT", "8080")))
|
|
io_loop.start()
|
|
|
|
if __name__ == "__main__":
|
|
m()
|