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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Opening up our existing products native lib output to mixed mode proved to be a real pain, so I took your first suggestion Brett.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>After changing the project to .NET 4.0, changing the target info to ‘clr4.pyd’ and changing all clr related strings in all the files to clr4, I have it working.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>In my implementation, all my custom rack code and .NET support are called in from testlib<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> import testlib<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> twoDotOAssemblies = testlib.clr.ListAssemblies(True)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> twoDotOAssemblies[0]<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>u'mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> fourDotOAssemblies = testlib.clr4.ListAssemblies(True)<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> fourDotOAssemblies[0]<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>u'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I agree, it is fuzzy to me as to what is happening behind the scenes when I do:<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>testlib.clr.AddReference("System")<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><System.Reflection.Assembly object at 0x04FBFF58><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> testlib.clr4.AddReference("System")<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><System.Reflection.RuntimeAssembly object at 0x04FC0300><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>…but for my purposes, it doesn’t matter. I don’t do any dot net calls other than my custom packaged C# library functions in .NET.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>When I do want to play in that realm, I use IronPython but I generally just write what I need in C# and then call it in pythonnet<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks for the help!<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Liam Corrigan <br><b>Sent:</b> March-22-12 5:09 PM<br><b>To:</b> pythondotnet@python.org<br><b>Subject:</b> RE: import clr_2, import clr_4 vs import clr<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>I make a reference to System, I need to do it through from clr.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> import System<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Traceback (most recent call last):<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'> File "<stdin>", line 1, in <module><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>ImportError: No module named System<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> import clr<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>> clr.AddReference("System")<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><System.Reflection.Assembly object at 0x04ECDDC8><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>>>><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>So I figured if I had a ‘import clr_2’, <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Then the call to ‘clr_2.AddReference(“System”) would call the 2.0 version of System.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Tribble, Brett [<a href="mailto:btribble@ea.com">mailto:btribble@ea.com</a>] <br><b>Sent:</b> March-22-12 4:59 PM<br><b>To:</b> Liam Corrigan; <a href="mailto:pythondotnet@python.org">pythondotnet@python.org</a><br><b>Subject:</b> RE: import clr_2, import clr_4 vs import clr<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I would say you could just dupe the projects under the solution and change the target info, but how are you going to control which one handles imports IE “import System”?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a href="mailto:pythondotnet-bounces+btribble=ea.com@python.org">pythondotnet-bounces+btribble=ea.com@python.org</a> [<a href="mailto:pythondotnet-bounces+btribble=ea.com@python.org">mailto:pythondotnet-bounces+btribble=ea.com@python.org</a>] <b>On Behalf Of </b>Liam Corrigan<br><b>Sent:</b> Thursday, March 22, 2012 1:28 PM<br><b>To:</b> <a href="mailto:pythondotnet@python.org">pythondotnet@python.org</a><br><b>Subject:</b> [Python.NET] import clr_2, import clr_4 vs import clr<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>Hi guys, <o:p></o:p></p><p class=MsoNormal>I’ve been using python .NET 2.0 in python 2.7.2 successfully for some time now and have also used the .NET 4.0 version, but of course I need to replace the clr.pyd and Python.Runtime.dll with the .NET 4.0 versions.<o:p></o:p></p><p class=MsoNormal>Although most of my 2.0 libs work over the 4.0 version, there is one in house library targeted against .NET 2.0 that will not, without some awkward hacks.<o:p></o:p></p><p class=MsoNormal>I need to be able to call into libraries written against both .NET 2.0 and 4.0, as separated calls - ideally, I’d like to have things such that I can operate in a python script something like this:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>import clr_2<o:p></o:p></p><p class=MsoNormal>import clr_4<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>clr_2.AddReference("MyDOTNET_2.0_BasedLib")<o:p></o:p></p><p class=MsoNormal>clr_4.AddReference("MyDOTNET_4.0_BasedLib")<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Are there any settings in the source build that I can do, to kick out two separate clr.pyd and Python.Runtime.dll’s with new names and matching .NET version support? <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt'>Liam Corrigan</span></b><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>IMPORTANT LEGAL NOTICE </span></b><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><p>This message is intended only for the use of the named addressee. 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