Dino Viehland wrote: > Unfortunately, CPython only allows the decorator syntax before a function > declaration... You could always manually call the decorator function w/ the > class object and see what you get back though. > > Charlie's earlier point about all the different targets is a really good one > though - worse than even properties are things like arguments, return types, > etc... that won't fit in at all w/ decorators. You could imagine allowing > the syntax anywhere, but there'd be no way to disambiguate between a return > decorator and a function decorator in Python. >
It's uglier, but what about providing built in functions for applying attributes. A specific built-in could apply return attributes etc. This at least avoids the problem of adding a syntax that is incompatible with CPython. Michael Foord http://www.voidspace.org.uk/python/index.shtml > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Charlie Moad > Sent: Friday, September 15, 2006 7:46 AM > To: Discussion of IronPython > Subject: Re: [IronPython] .NET attributes > > On 9/15/06, Michael Foord <[EMAIL PROTECTED]> wrote: > >> Charlie Moad wrote: >> >>>> Take away decorator support and you'll lose at least this Python >>>> programmer... >>>> Decorators and attributes have at least some commonality, which is >>>> why this syntax ended up in Python in the first place... >>>> Allowing decorator syntax in places CPython doesn't is better than >>>> not allowing it where it does... >>>> >>>> >>> So it sounds like people want decorator syntax for attributes. >>> Would it be sufficient to check for inheritance from >>> System.Attribute to distinguish the two? >>> >> Sounds very good. >> >> >>> Also attributes being classes and decorators functions might help. >>> > > >> Can't CPython decorators also be classes (I haven't tried this) ? >> > > Callable classes I suppose.... > _______________________________________________ > users mailing list > users@lists.ironpython.com > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > _______________________________________________ > users mailing list > users@lists.ironpython.com > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com > > > -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.405 / Virus Database: 268.12.4/448 - Release Date: 14/09/2006 _______________________________________________ users mailing list users@lists.ironpython.com http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
