Re: Are decorators supported?

Thanks for your explanation, Éric

regards,
Richard


2014-02-12 16:06 GMT+01:00 Éric Piel <[email protected]>:

> On 11/02/14 22:25, Richard van Bemmelen wrote:
> > I am trying to add a function to an instance of a Pyro4 object, like so:
> >
> >
> >
> > def addto(instance):
> >     def decorator(f):
> >         import types
> >         f = types.MethodType(f, instance, instance.__class__)
> >         setattr(instance, f.func_name, f)
> >         return f
> >     return decorator
> >
> > cs = Pyro4.Proxy("PYRONAME:example.cserv")
> >
> > @addto(cs)
> > def getInit(self):
> >     print self.initCsd
> >     return self.initCsd
> >
> >
> > print getInit()
> >
> > This code is running in a client.
> > It should print the content of self.initCsd on the server and on the
> client.
> > Instead, I get this on the client (nothing on the server):
> >
> > <Pyro4.core._RemoteMethod object at 0x105523dd0>
> > <Pyro4.core._RemoteMethod object at 0x105523dd0>
> >
> > So, is this supported?
> Hi,
> What you are doing is not supported. It's not related to decorators
> though. What Pyro doesn't support is 1) adding an attribute to an object
> remotely accessed (i.e., a Proxy), and 2) remote content access. In your
> code, what happens is that the method is correctly added to the proxy,
> and then the call displays .initCsd, which is a RemoteMethod, like
> everything on a Proxy.
>
> If you were doing the addto() on the server side, it would then work:
> both the client and the server sides would see the new method, and the
> execution would happen on the server so it would be able to access
> .initCsd . I doubt there is any nice way to do what you want (adding
> code to a remote object).
>
> Best,
> Éric
>
>
>
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