[IronPython] AddReference to Silverlight toolkit assemblies

[Lukas Cenovsky]

Thanks Jimmy, it really works now.

I have written a small howto for those interested:
http://gui-at.blogspot.com/2010/05/distributing-silverlight-application.html

--
-- Lukáš


Jimmy Schementi wrote:
>
> Ah **duh**, though Microsoft.Scripting.Silverlight.dll calls 
> ScriptRuntime.LoadAssembly on each AssemblyPart in the 
> AppManifest.xaml, it does **not** do the same thing for DLLs in zip 
> files referenced by ExtensionPart, since Silverlight only gives us a 
> way of getting files out of a zip, not enumerating its contents.
>
>  
>
> So, to correct myself, if you're using ExtensionParts, you'll have to 
> call clr.AddReference for each DLL you want loaded. The reason why you 
> don't see the expected types is because IronPython doesn't know about 
> them.
>
>  
>
> We /could/ require that those zip files have a AppManifest.xaml, which 
> would list the DLLs, and then we could parse that and load the DLLs. 
> Though asking Silverlight to implement ZIP contents enumeration is 
> probably the best =)
>
>  
>
> ~js
>
>  
>
> *From:* Lukas Cenovsky [mailto:cenovsky at bakalari.cz]
> *Sent:* Wednesday, April 28, 2010 6:14 AM
> *To:* Discussion of IronPython; Jimmy Schementi
> *Subject:* Re: [IronPython] AddReference to Silverlight toolkit assemblies
>
>  
>
> Well, I was wrong when I said it worked. Here is the scenario:
>
> I have necessary .dlls in separate file called /SLToolkit.zip/ which I 
> reference in AppManifest.xaml:
>
>   <Deployment.ExternalParts>
>     <ExtensionPart Source="Microsoft.Scripting.zip" />
>     <ExtensionPart Source="SLToolkit.zip" />
>   </Deployment.ExternalParts>
>
> There are the following files in /SLToolkit.zip/:
>
> System.ComponentModel.DataAnnotations.dll
> System.Windows.Controls.dll
> System.Windows.Controls.Data.dll
> System.Windows.Controls.Data.Input.dll
> System.Windows.Data.dll
>
>
> I want to use /ChildWindow/ control. It works when I use it in XAML 
> and load the XAML with XamlReader. But it does not work when I want to 
> load it from code. If fails on importing because /ChildWindow/ is not 
> in /System.Windows.Controls/ namespace.
>
> I put System.Windows.Controls.dll into .xap file and test the 
> following in Silverlight REPL:
>
> py> import System.Windows.Controls
> => None
> py> dir(System.Windows.Controls)
> => ['Border', 'Button', 'Canvas', 'CheckBox', 'CleanUpVirtualizedItemEventArgs', ...]
> py> clr.AddReferenceToFile('System.Windows.Controls.dll')
> => None
> py> dir(System.Windows.Controls)
> => ['Border', 'Button', 'Calendar', 'CalendarBlackoutDatesCollection', 
> 'CalendarDateChangedEventArgs', 'CalendarDateRange', 'CalendarMode', 
> 'CalendarModeChangedEventArgs', 'CalendarSelectionMode', 'Canvas', 
> 'CheckBox', 'ChildWindow', 'CleanUpVirtualizedItemEventArgs', ...]
>  
>
> It looks like the controls from System.Windows.Controls.dll are not 
> merged into /System.Windows.Controls/ namespace.
>
> Is it bug or do I do something wrong?
>
> --
> -- Lukáš
>
>
> Jimmy Schementi wrote:
>
> Lukas,
>
>  
>
> When you use ExtensionPart, it calls Assembly.Load on each file in the 
> zip file referenced, so you don't need to do clr.Addreference.
>
>  
>
> System.Windows.Data.dll and System.Windows.Controls.Data.dll are not 
> DLLs in Silverlight; they are in the Silverlight SDK. So you'll have 
> to package them up into a separate zip file which you include in your 
> AppManfest, just like you did with the SLToolkit.zip.
>
>  
>
> ~js
>
>  
>
> *From:* users-bounces at lists.ironpython.com 
> <mailto:users-bounces at lists.ironpython.com> 
> [mailto:users-bounces at lists.ironpython.com] *On Behalf Of *Lukas Cenovsky
> *Sent:* Tuesday, March 23, 2010 5:42 PM
> *To:* users at lists.ironpython.com <mailto:users at lists.ironpython.com>
> *Subject:* [IronPython] AddReference to Silverlight toolkit assemblies
>
>  
>
> Hi all,
> I use Silverlight toolkit in my IronPython Silverlight app. To lower 
> bandwidth, I put all necessary Silverlight toolkit .dlls into separate 
> file called /SLToolkit.zip/ which I reference in AppManifest.xaml:
>
>   <Deployment.ExternalParts>
>     <ExtensionPart Source="Microsoft.Scripting.zip" />
>     <ExtensionPart Source="SLToolkit.zip" />
>   </Deployment.ExternalParts>
>
> This works nicely if I don't need to reference assembly already 
> existing in Silverlight - e.g. I do
>
> clr.AddReference('System.Windows.Controls.Data')
>
> and use /DataGrid/. Unfortunately, when I need to reference 
> /PagedCollectionView /from System.Windows.Data, this approach does not 
> work. Trying
>
> from System.Windows.Data import PagedCollectionView
>
> fails on /ImportError: Cannot import name PagedCollectionView/. Doing
>
> import System.Windows.Data
> System.Windows.Data.PagedCollectionView(some_data)
>
> fails with /AttributeError: attribute 'PagedCollectionView' of 
> 'namespace#' object is read-only/. When I try to add
>
> clr.AddReference('System.Windows.Data')
>
> if fails with: /IOError: [Errno 2] could not find assembly: 
> System.Windows.Data (check the Web server)/.
>
> The only way how to make this work is to put System.Windows.Data.dll 
> into .xap file and reference it with
>
> clr.AddReferenceToFile('System.Windows.Data.dll')
> from System.Windows.Data import PagedCollectionView
>
>
> Is there a way to make it work when System.Windows.Data.dll is in the 
> separate file? Or should I use another approach?
>
> Thanks,
>
> --
> -- Lukáš
>
>  
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