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#!/usr/bin/env python
from __future__ import print_function
import sys
import mapnik
def render(input_file, output_file, width=800, height=800, bbox=None):
m = mapnik.Map(width, height)
mapnik.load_map(m, input_file, False)
if bbox is not None:
m.zoom_to_box(bbox)
else:
m.zoom_all()
mapnik.render_to_file(m, output_file)
if len(sys.argv) == 2:
render(sys.argv[1], "output.png")
elif len(sys.argv) == 3:
render(sys.argv[1], sys.argv[2])
elif len(sys.argv) == 5:
render(sys.argv[1], sys.argv[2], int(sys.argv[3]), int(sys.argv[4]))
else:
print ("usage: %s style_file [output_file] [width height]" % sys.argv[0])
sys.exit(1)
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