calibrator.py 文件源码

def do_tarfile_save(self, tf):
        """ Write images and calibration solution to a tarfile object """
        ims = ([("left-%04d.png"  % i, im) for i,(_, im, _) in enumerate(self.db)] +
               [("right-%04d.png" % i, im) for i,(_, _, im) in enumerate(self.db)])

        def taradd(name, buf):
            s = StringIO(buf)
            ti = tarfile.TarInfo(name)
            ti.size = len(s.getvalue())
            ti.uname = 'calibrator'
            ti.mtime = int(time.time())
            tf.addfile(tarinfo=ti, fileobj=s)

        for (name, im) in ims:
            taradd(name, cv2.imencode(".png", im)[1].tostring())
        taradd('left.yaml', self.yaml("/left", self.l))
        taradd('right.yaml', self.yaml("/right", self.r))
        taradd('ost.txt', self.ost())