example_helpers.py 文件源码

def do_get(self, line):
        '''
        Command: get

        Description:
        Get (copy) a file, or parts of file, from the sensor.

        Args:
        get [OPTIONS] <RemotePath> <LocalPath>

        where OPTIONS are:
        -o, --offset : The offset to start getting the file at
        -b, --bytes : How many bytes of the file to get.  The default is all bytes.
        '''
        self._needs_attached()

        p = CliArgs(usage='get [OPTIONS] <RemoteFile> <LocalFile>')
        (opts, args) = p.parse_line(line)

        if len(args) != 2:
            raise CliArgsException("Wrong number of args to get command")

        with open(args[1], "wb") as fout:
            gfile = self._file_path_fixup(args[0])
            shutil.copyfileobj(self.lr_session.get_raw_file(gfile), fout)