python client for talkin' sockets with mod_tile.py

mode_tile_client.py

#!/usr/bin/env python

# client for mod_tile

import struct
import socket

def print_resp(data):
    print 'Received', repr(data)
    version, request, x, y, z, xmlname = struct.unpack("5i41sxxx", data)
    xmlname = xmlname.rstrip('\000')
    print '\t'.join("version request x y z xmlname".split(' '))
    print version,'\t',request,'\t',x,'\t',y,'\t', z,'\t', xmlname

def request(address,xmlname,x,y,z):
    version = 2
    command = 1

    # form up data
    data = (version, command, x, y, z, xmlname)
    
    # pack it
    msg = struct.pack("5i41sxxx", *data)
    
    # connect to renderd and send request
    s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
    s.connect(sock_addr)
    s.send(msg)
    
    # print response
    data = s.recv(1024)
    #print_resp(data)
    
    # close connection
    s.close()

if __name__ == "__main__":
    import sys
    z,x,y = [int(i) for i in sys.argv[1:]]
    print z,x,y
    # renderd.conf defaults
    xmlname = 'default'
    sock_addr = '/tmp/osm-renderd'
    request(sock_addr,xmlname,x,y,z)