[IronPython] Two engines and clr.AddReference don't work together.
Dino Viehland
dinov at microsoft.com
Sat Jan 31 00:35:56 CET 2009
Yep, and I'm happy to move back to the old behavior - being consistent w/ ourselves and broken seems better than being inconsistent w/ ourselves and broken :)
-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Michael Foord
Sent: Friday, January 30, 2009 3:30 PM
To: Discussion of IronPython
Subject: Re: [IronPython] Two engines and clr.AddReference don't work together.
Dino Viehland wrote:
> You're right that it worked in 1.0 - but of course in 1.0 we would also end up with an arbitrary ordering between engines. For example you could have:
>
> Engine 1:
> Sys.path = C:\
> Contains "Foo.dll"
>
> Engine 2:
> Sys.Path = D:\
> Contains "Foo.dll"
>
> Which Foo.dll gets loaded? :) Unfortunately we don't necessarily know what engine is actually making the request. We can certainly go back to the 1.0 behavior in the mean time but I believe this will be truly fixed when we get better control over this in some future version of the CLR.
>
Unfortunately the current behaviour breaks certain Resolver One
functionality. With IronPython 1 users could put assemblies their
spreadsheet systems depended on in the same directory as the spreadsheet
and it 'just worked', which isn't the case with the IronPython 2 port.
Even if it isn't always guaranteed to be correct, the old behaviour was
much better for us. :-)
Thanks
Michael
> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Tom Wright
> Sent: Friday, January 30, 2009 10:34 AM
> To: Discussion of IronPython
> Subject: [IronPython] Two engines and clr.AddReference don't work together.
>
> Hi,
>
> Having two engines in the same AppDomain causes interesting behaviour
> when trying trying to add references.
>
> Only the sys.path of the first engine that was created seems to be taken
> into account when calling clr.AddReference, the second sys.path is ignored.
>
> See
> http://www.codeplex.com/IronPython/WorkItem/View.aspx?WorkItemId=20921
> for more details and a repro.
>
> Tom Wright
> Resolver Systems Ltd.
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