server.py 文件源码

def handle_request(self):
        try:
            data = urllib.unquote(self.get_argument('q'))
            with tempfile.NamedTemporaryFile(suffix='.latex') as raw:
                raw.write(data)
                raw.flush()

                filename = latex_to_dvi(raw.name)
                svg_data = dvi_to_svg(filename).strip()
                png_data, width, height = svg_to_png(svg_data)
                png_data = png_data.strip().encode('base64')
                return {
                    'success': True,
                    'svg': svg_data,
                    'png': png_data,
                    'meta': {'width': width,
                             'height': height}
                }
        except Exception as error:
            print error.message
            return {
                'success': False,
                'error': error.message
            }