[sugar] Data Transport between nodes

[Dafydd Harries]

Ar 03/10/2007 am 09:15, ysgrifennodd Erik Blankinship:
> On 10/3/07, Simon McVittie <simon.mcvittie at collabora.co.uk> wrote:
> >
> > On Tue, 02 Oct 2007 at 17:43:41 -0400, Benjamin M. Schwartz wrote:
> > >  I used these to send arbitrary bytes over the Tube, which only supports
> > utf8.
> >
> > This isn't actually true. If a D-Bus method is declared with signature 's'
> > (string) it only supports unicode or UTF-8 str objects. If no signature is
> > declared but you use a str argument, dbus-python will guess that you
> > wanted signature 's' and the string has to be UTF-8.
> >
> > However, if your method is declared with signature 'ay' (byte array) you
> > can pass arbitrary binary data. You probably want to put
> > byte_arrays=True in the @method decorator, so the method will get its
> > input as a dbus.ByteArray (a subclass of str) rather than as a
> > dbus.Array of dbus.Bytes (subclasses of: a list of ints).
> 
> 
> I hope this is a simple question: what is the preferred way to convert a
> file into a ByteArray for use with dBus?

contents = file(path).read()
dbus.ByteArray(contents)

-- 
Dafydd