def image_to_data(image): # {{{
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QIODevice.OpenModeFlag.WriteOnly)
if not image.save(buf, CACHE_FORMAT):
raise EncodeError('Failed to encode thumbnail')
ret = ba.data()
buf.close()
return ret
def send_reply(rq, mime_type, data):
if sip.isdeleted(rq):
return
# make the buf a child of rq so that it is automatically deleted when
# rq is deleted
buf = QBuffer(parent=rq)
buf.open(QIODevice.OpenModeFlag.WriteOnly)
# we have to copy data into buf as it will be garbage
# collected by python
buf.write(data)
buf.seek(0)
buf.close()
rq.reply(mime_type.encode('ascii'), buf)