ufl team mailing list archive

[Johan Hake <hake@xxxxxxxxx>]

On Monday 09 March 2009 22:37:54 Anders Logg wrote:
> On Mon, Mar 09, 2009 at 10:27:19PM +0100, Martin Sandve Alnæs wrote:
> > On Mon, Mar 9, 2009 at 10:17 PM, Anders Logg <logg@xxxxxxxxx> wrote:
> > > On Mon, Mar 09, 2009 at 08:54:07PM +0100, Martin Sandve Alnæs wrote:
> > >> Ok for now, but modifying the standard library behaviour isn't a very
> > >> nice thing to do :)
> > >>
> > >> Martin
> > >
> > > I tried changing only the method for the UFL StreamHandler instance
> > > but that didn't work.
> >
> > Don't bother now. Anyway, the point of using the Python logging system
> > is that we can attach _multiple_ StreamHandlers to the UFL logger,
> > e.g., for merging with SFC/FFC logs and dumping logs to file, so
> > modifying the default stream handler isn't the right thing to do.
> >
> > > If I do
> > >
> > >  self._handler.emit = emit
> > >
> > > I get
> > >
> > >  File "/usr/lib/python2.5/logging/__init__.py", line 655, in handle
> > >    self.emit(record)
> > >  TypeError: emit() takes exactly 2 arguments (1 given)
> >
> > I didn't understand this on a first glance. Have you tried defining
> > emit(self, arg) outside of the Logger class?
>
> Yes, same thing.
>
> I found a solution. Instead of just
>
>   instance.foo = foo
>
> one needs to do
>
>   instance.foo = new.instancemethod(foo, instance, instance.__class__)

The new module is deprecated in 2.6 and removed from 3.0. Use the module types 
instead:

   instance.foo = types.MethodType(foo, instance, instance.__class__)


Btw types is a nice module for checking and creating... øhhh, types :)


Johan