packet.py 文件源码

def psdump(self, filename=None, **kargs):
        """psdump(filename=None, layer_shift=0, rebuild=1)
Creates an EPS file describing a packet. If filename is not provided a temporary file is created and gs is called."""
        canvas = self.canvas_dump(**kargs)
        if filename is None:
            fname = get_temp_file(autoext=".eps")
            canvas.writeEPSfile(fname)
            subprocess.Popen([conf.prog.psreader, fname+".eps"])
        else:
            canvas.writeEPSfile(filename)