#!/usr/bin/env python
import sys
import os
from render_tile import ImageProvider
from ast import literal_eval as make_tuple
if __name__ == "__main__":
mapfile = os.environ['MAPNIK_MAP_FILE']
tile_file = os.environ['MAPNIK_TILE_FILE']
bbox = make_tuple(os.environ['MAPNIK_BBOX'])
renderer = ImageProvider(mapfile)
img = renderer.render_bounding(bbox)
img.save(tile_file, 'png256')
#!/usr/bin/env python
import sys
import json
from render_tile import ImageProvider
import struct
while 1:
line = sys.stdin.readline()
if not line:
break
try:
env = json.loads(line)
renderer = ImageProvider(str(env.get('mapnikXml')))
imgString = renderer.render_tile(env.get('x'), env.get('y'), env.get('z'), env.get('utfGrid'))
imgStringByteArray = bytearray(imgString)
imgStringLen = len(imgStringByteArray)
# for debugging
# sys.stderr.write('len: ' + str(imgStringLen) + '\n')
# sys.stderr.flush()
sys.stdout.write(struct.pack('!i', imgStringLen))
sys.stdout.write(imgStringByteArray)
sys.stdout.flush()
except Exception as e:
sys.stderr.write(str(e) + '\n')
sys.stderr.flush()
# write 0 so java nows there was an error
sys.stdout.write(struct.pack('!i', 0))
sys.stdout.flush()