Python.NET

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pythonnet@python.org

January 2010

3 participants
2 discussions

Q2: py.net problems w/python 2.6.2
by Hamilton Link Jan. 28, 2010

Jan. 28, 2010

Could anyone conveniently try python.net with python 2.6.2? I am seeing two fatal problems in my lightly-patched python.net. I'm using ubuntu 9.04 python 2.6.2 python.net 2.0 alpha2 with Borzenkov's suggested PYTHON25 -> PYTHON26 changes and Feihong Hsu's changes mono 2.0.1 (this is the what mono --version says, which I think is packaged as distribution 1.9.something?) For all of this I'm using the python.exe that gets built alongside python.net, because ubuntu's python environments are irritatingly built with --disable-shared Here are the problems: If I try the following: >>> import clr >>> import System >>> STR = System.String('hithere') I get a fatal error "GCHandle value belongs to a different domain"... this is being thrown by the coercion of an IntPtr to a GCHandle, from within the coercion operation in ManagedType.GetManagedObject. If however I try the following: >>> import clr >>> from System.Drawing import Point >>> p = Point(5,5) then I can >>> p.X 5 >>> p.Y 5 >>> p.ToString() u'{X=5,Y=5}' >>> dir(p) ['Add', 'Ceiling', ..., '__class__', ...] No problem, right? Wrong: >>> p.__class__ dies in the most awful way, dumping all thread stacks and killing mono and python. I get a message saying "Got a SIGSEGV while executing native code. etc." If anyone has any clues about this, I'd love to hear them. My current plan is to install python 2.5.x as an alternate python, rebuild against that, and see if that works, and then perhaps dig into this further. I might also try 2.6.4 since someone on the list recently asserted they had it working with that. thanks, hamilton

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several questions: Q1 is it ok if I fold in several changes
by Hamilton Link Jan. 25, 2010

Jan. 25, 2010

As soon as I can figure out how to use svn and https from work (or as soon as I give up and do the following from home) my hope is to... - download the latest and greatest, which I suspect is not a lot different than 2.0 alpha2 - fold in Feihon Hsu's patch that fixes 2.0 alpha2 for .net 2.0 SP1 - fold in the "Python26 -> PYTHON26" fix mentioned a bit ago - run a test or two, commit the changes, and make a 2.0 alpha3 that includes setup.py, if I can figure out how to post such a file on sourceforge (I appear to still be a developer; thanks Would anyone have a problem with that? If people point me to any other fixes I'll include those too, please don't spam the list with redundant information on bug fixes, though, spam me out of band. h

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