[IronPython] clarification on current state of embedding
Dave Fugate
dfugate at microsoft.com
Fri Jun 19 00:16:41 CEST 2009
.NET 2.0 was never released for Vista (which came with .NET 3.0). This is why you're unable to install .NET 2.0 SP1 on Vista. Furthermore, there was never a .NET 3.0 SP1 release for Vista...only .NET 3.5 which includes the .NET 2.0 SP1 changes and you can download this from here - http://www.microsoft.com/downloads/details.aspx?familyid=333325FD-AE52-4E35-B531-508D977D32A6&displaylang=en. The minimum .NET version for Vista/Server 2008 is .NET 3.5 to run IronPython 2.0 (or 2.6 for that matter).
Dave
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Justin Regele
Sent: Thursday, June 18, 2009 1:19 PM
To: Discussion of IronPython
Subject: Re: [IronPython] clarification on current state of embedding
Yeah, I thought it was strange too. To be sure, I just downloaded the x64 .net 2.0 Sp1 installer again, ran it and here is the reason it errors:
"This product is not supported on Vista Operating System".
There you have it.
I'm grabbing the x86 sp1 and going to see if that one works.
On Thu, Jun 18, 2009 at 12:59 PM, Michael Foord <fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>> wrote:
Justin Regele wrote:
This makes sense, although I am still confused as to why problems keep creeping up to me. I am on Vista, though, and so I think my problem is that while I installed 2.0, I cannot instal SP1. The server my code will run on is still on 2.0 until the new system is rolled out, which may be 6 months from now.
I built all my IPy libs for 2.0, but when I added a C# project to wrap the embedded program and targetted 2.0 all the assemblies say they require 3.5. If I add them anyway, the Microsoft scripting assemblies can't be found. No such errors or warning about the IronPython assemblies, although I'm back to 'Python does not exist in the current context', even though I've got the assemblies loaded and using IronPython.Hosting.
After trudging through this weirdness for a bit now, I'm realizing that the issue most likely comes from running a x64 version of Vista, while IronPython is in the x86 program files.
IronPython is pure .NET code. It is independent of 32/64 bitness.
It may be that to get .NET 2 SP1 on vista you actually need to install .NET 3.5? Seems odd though.
Michael
I'm going to bulid IronPython from source for 2.0 and see if that fixes the problem.
On Thu, Jun 18, 2009 at 7:00 AM, Lepisto, Stephen P <stephen.p.lepisto at intel.com<mailto:stephen.p.lepisto at intel.com> <mailto:stephen.p.lepisto at intel.com<mailto:stephen.p.lepisto at intel.com>>> wrote:
>From MSDN (http://msdn.microsoft.com/en-us/library/bb383796.aspx):
"Differences Between .NET Framework Versions
All three versions of the .NET Framework are based on version 2.0
of the CLR. The versions of the .NET Framework differ from each
other in the list of assemblies that each makes available for you
to reference in your projects. For example, LINQ is a new
technology that is included in Visual Studio 2008. .NET Framework
3.5 is the only version of the .NET Framework that has
LINQ-related assemblies. Therefore, you cannot use LINQ unless
your project specifically targets .NET Framework 3.5. Similarly,
Windows Presentation Foundation (WPF) is included in Windows
Vista. You cannot build WPF applications unless your project
targets .NET Framework 3.0 and later versions of the .NET Framework."
In addition, .Net 3.0 changed the compiler to add support for
lambdas in C#, although the resulting code can still run on .Net
2.0 runtime. The lambdas are converted to anonymous functions by
the compiler. There may be other "syntactic sugar" changes as well.
In Visual Studio, when you select the target runtime, you are
primarily telling Visual Studio (and the underlying .Net compiler
tools) to filter out elements from later versions of .Net. Of
course, if you include a reference to a .Net 3.5 assembly, you
have to make sure .Net 3.5 is installed on the target system.
-----Original Message-----
From: users-bounces at lists.ironpython.com<mailto:users-bounces at lists.ironpython.com>
<mailto:users-bounces at lists.ironpython.com<mailto:users-bounces at lists.ironpython.com>>
[mailto:users-bounces at lists.ironpython.com<mailto:users-bounces at lists.ironpython.com>
<mailto:users-bounces at lists.ironpython.com<mailto:users-bounces at lists.ironpython.com>>] On Behalf Of Michael
Foord
Sent: Thursday, June 18, 2009 4:49 AM
To: Discussion of IronPython
Subject: Re: [IronPython] clarification on current state of embedding
Justin Regele wrote:
> This brings up another question I've encountered. My
understanding was
> that IPy had problems with 3.5, and so I have been targeting
2.0. But
> when I try to reference the IronPython and Microsoft.Scripting
> assemblies, Visual Studio says I need 3.5
I've created many projects in Visual Studio referencing IronPython
assemblies and targeting .NET 2.0. Which means I don't know what is
wrong, but it *should* work fine... :-)
Michael Foord
>
>
>
> On Wed, Jun 17, 2009 at 6:05 PM, Curt Hagenlocher
> <curt at hagenlocher.org<mailto:curt at hagenlocher.org> <mailto:curt at hagenlocher.org<mailto:curt at hagenlocher.org>>
<mailto:curt at hagenlocher.org<mailto:curt at hagenlocher.org> <mailto:curt at hagenlocher.org<mailto:curt at hagenlocher.org>>>> wrote:
>
> Good point!
>
>
> On Wed, Jun 17, 2009 at 5:12 PM, Michael Foord
> <fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>
<mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>>
<mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>
<mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>>>> wrote:
>
> Curt Hagenlocher wrote:
>
> ...except through the hosting API *and through the
new C#
> dynamic functionality in .NET 4.0*.
>
>
> And how do you get to the classes to use them with the new
> dynamic functionality if it isn't through the hosting API?
>
> What you do with them once you get them is your own business
> of course...
>
> Michael
>
>
> On Wed, Jun 17, 2009 at 5:06 PM, Michael Foord
> <fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>
<mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>>
> <mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>
<mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>>>
> <mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>
<mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>>
> <mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>
<mailto:fuzzyman at voidspace.org.uk<mailto:fuzzyman at voidspace.org.uk>>>>> wrote:
>
> Justin Regele wrote:
>
> What is the status of referencing IPy libraries
> compiled to
> dlls by other CLR languages? Google turned up
that
> as of 1.1
> you had to use the embedding/hosting api's, since
> the dlls
> were not compatible with say C# assemblies.
There were
> allusions made to this being changed.
>
>
> You can't access Python classes except through the
> hosting API.
> There are no (public) plans for this to change
anytime
> soon.
>
> Michael
>
>
>
>
>
>
>
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