[IronPython] IronPython 1.1.2 eta?

Keith J. Farmer kfarmer at thuban.org
Mon Jun 30 22:20:13 PDT 2008


You can just not compile a hard dependency on System.Core, and instead import it manually.  Basically, create a plug-in style architecture for dealing with it:

	Start: DLR
	Import: DLR + LINQ-for-DLR plugin (+ System.Core, required by plugin)

So such a plugin would be importable, and then it could register itself as a service to handle specific points in processing.  If no such service is loaded and registered, processing continues as normal (eg, .NET 2.0-level).


-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Dino Viehland
Sent: Monday, June 30, 2008 9:40 PM
To: Discussion of IronPython
Subject: Re: [IronPython] IronPython 1.1.2 eta?

The good news is this is basically inevitable but will take some time to achieve :).  In the latest source code, I guess currently available only through the IronRuby SVN, you'll see that the namespaces of the DLR expression trees have moved to System.Linq.Expressions.  This is the completion of making the DLR expression trees into a superset of the LINQ expression trees.

Unfortunately both of your features require taking a dependency on .NET 3.5 (or some future version) which we're just not quite ready to do.  But ultimately this should be trivial in the future - it's just not going to happen in 1.x and probably not 2.x.   But the lambdas -> expression trees is probably a little easier as it's just add some new conversion support - C# 3.0 extension methods have scoping design issues.

Anyway obviously this is something we care about too but it serves as a good excuse to mention some cool recent code changes :).

-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Keith J. Farmer
Sent: Monday, June 30, 2008 9:26 PM
To: Discussion of IronPython
Subject: Re: [IronPython] IronPython 1.1.2 eta?

(Python lambdas to CLR Expression Trees.. my one wish aside from C#3-style extension method resolution)

(but y'all knew that, anyway)

-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Dino Viehland
Sent: Monday, June 30, 2008 1:00 PM
To: Discussion of IronPython
Subject: Re: [IronPython] IronPython 1.1.2 eta?

Yeah, it's not going to happen today :)  The changes are done (any bugs assigned to me and the 1.1.2 release on CodePlex will be fixed), they just need to run through a full test pass.  I got started on the changes late and the test infrastructure needed to be brought back to life so it's taking a little bit longer than expected but the RC should be out soon.

Beta 4 is currently planned for early August.  If you're willing to try out a source release from http://www.codeplex.com/IronPython/SourceControl/ListDownloadableCommits.aspx I'd be happy to let you know when the last remaining regression is fixed (and gets uploaded there - looks like that hasn't been happening :().  We've fixed the polymorphic call site perf bug already but there's still a bug that results in massive overhead of calling simple Python functions.

-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Michael Foord
Sent: Monday, June 30, 2008 11:51 AM
To: Discussion of IronPython
Subject: [IronPython] IronPython 1.1.2 eta?

Hello guys,

A while back you suggested that IronPython 1.1.2 would arrive 'some time
in June'. Whilst that is still possible it seems unlikely, any news on
an eta?

Whilst we're at it, any idea on when IP 2 Beta 4 might be released? We'd
like to test Resolver One with an updated IronPython 2 where performance
isn't borked quite so much... :-)

Michael

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