def set(self, media, _bytes, overwrite=True, b64encode=False):
data = base64.b64encode(_bytes) if b64encode else Binary(_bytes)<EOL>self._dokuwiki.send('<STR_LIT>', media, data, ow=overwrite)<EOL>
Set *media* from *_bytes*. *overwrite* parameter specify if the media
        must be overwrite if it exists remotely.