No, I haven't compared it to GDbus. I would certainly expect it's performance to be better though. it's been a long time since I've used PyGTK. Honestly, I'd completely forgotten about it. I'll give it a look.
Tom On Tue, Jul 3, 2012 at 10:28 AM, Jasper St. Pierre <[email protected]> wrote: > On Tue, Jul 3, 2012 at 2:08 AM, Tom Cocagne <[email protected]> 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 >> [email protected] >> http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python > > > > -- > Jasper > > _______________________________________________ > Twisted-Python mailing list > [email protected] > http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python _______________________________________________ Twisted-Python mailing list [email protected] http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
