device.py 文件源码

def _adb_minicap(self, scale=1.0):
        """
        capture screen with minicap

        https://github.com/openstf/minicap
        """
        remote_file = tempfile.mktemp(dir='/data/local/tmp/', prefix='minicap-', suffix='.jpg')
        local_file = tempfile.mktemp(prefix='atx-minicap-', suffix='.jpg')
        (w, h, r) = self.display
        params = '{x}x{y}@{rx}x{ry}/{r}'.format(x=w, y=h, rx=int(w*scale), ry=int(h*scale), r=r*90)
        try:
            self.shell('LD_LIBRARY_PATH=/data/local/tmp', self.__minicap, '-s', '-P', params, '>', remote_file)
            self.pull(remote_file, local_file)
            image = imutils.open_as_pillow(local_file)
            return image
        finally:
            self.remove(remote_file)
            os.unlink(local_file)