On Tue, Jul 3, 2012 at 2:08 AM, Tom Cocagne <tom.coca...@gmail.com> wrote: > For anyone interested in taking a look, I've just released a > native-Python implementation of the DBus protocol for Twisted. The > intent of the implementation is to provide Twisted applications with a > full-featured DBus API that is consistent with the rest of the > framework and does not require the use of the glib reactor or libdbus > Python bindings. > > The project is currently hosted on github and has a pypi entry: > > https://github.com/cocagne/twisted_dbus > > http://pypi.python.org/pypi/twisted_dbus/1.0 > > Notes on the implementation: > > * A comprehensive tutorial and DBus protocol overview is included in > the project documentation > * Although the release version is set at 1.0, the project should be > considered Beta quality as it has seen little real-world use > * Unit test coverage is at about 98% > * The code adheres to the Twisted coding standards > * Windows is currently not supported (likely a trivially easy task but > as yet unexplored) > * Full, generated API documentation is possible but burnout/apathy set > in before I figured out how to properly use Twisted's documentation > generator > * The implementation includes a basic DBus server implementation but, > currently, it's only intended to serve as an alternative to the native > DBus server when running the unit tests. > > Notes on Performance: > > * For a pure-python solution the performance is really quite good. > * On the CPython interpreter, this implementation runs at about about > 1/3 to 1/5th the speed of the libdbus bindings.
Did you compare to GDBus? I'm just curious, as David has been excited about performance improvements there. > * On the PyPy interpreter, this implementation runs at about the same > speed as the libdbus bindings > * Surprisingly enough, the bottleneck does not appear to be in the > marshalling/unmarshalling routines. Simply compiling the dbus > marshalling module with Cython yielded a 10x increase in marshalling > performance but this translated into only a minor overall performance > improvement. If anyone adept at Python/Twisted profiling would care to > take a look, assistance in this area would be most welcome. > > > - Tom Cocagne > > _______________________________________________ > Twisted-Python mailing list > Twisted-Python@twistedmatrix.com > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python -- Jasper _______________________________________________ Twisted-Python mailing list Twisted-Python@twistedmatrix.com http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
