PythonNet May 2008

pythonnet@python.org

8 participants
8 discussions

Python 2.6 support
by Christian Heimes 30 May '08

30 May '08

Hello PythonDotNET users! I've committed some chances to the svn trunk. PythonDotNET now works with Python 2.6 again. None of the new features like bytearray, version tags and the new buffer interface are supported, though. Christian

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Python.Net with Boa under Linux
by Serge Gauthier 30 May '08

30 May '08

I currently use Python 2.5, Boa constructor 0.6.1 under Windows and Linux Mandrake. On a motion control CPU card, running Linux on Power PC, there is a Mono, C# dll server. To communicate with under Windows XP, I had to recompile the Python-Runtime project with VS C#. It works now fine under Boa: I can import clr and do the following: lib = clr.AddReference("PPmacClassLibrary") from PPmacClassLibrary import PPmacDeviceClass self.pmac = PPmacDeviceClass(HOST, "PythonPmac", port) Under Linux, it is not possible to do the same, I tryed to use clr.so and Python-Runtime.dll and the error message is : "impossible to load the assembly". Could you tell me how to solve that ? I am not familar with C# and Mono. Do I have to recompile under Mono and how to do ? I don't understand well how it works on Linux. Thanks a lot for your help Serge -- J'utilise la version gratuíte de SPAMfighter pour utilisateurs privés. Ce programme a supprimé1619 d'e-mails spam à ce jour. Les utilisateurs qui paient n'ont pas ce message dans leurse-mails. Obtenez la version gratuite de SPAMfighter ici: http://www.spamfighter.com/lfr

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About Python and Boa
by Serge Gauthier 28 May '08

28 May '08

I have posted a question about Python.net and Boa Constructor. Thanks for the answers. I did progress: I had to recompile the python_runtime.dll with C# and now it is working under Windows. My question is: how to do the same under Linux. I have MonoDevelop installed, is it possible to use the same way ? Thanks a lot Serge -- J'utilise la version gratuíte de SPAMfighter pour utilisateurs privés. Ce programme a supprimé1566 d'e-mails spam à ce jour. Les utilisateurs qui paient n'ont pas ce message dans leurse-mails. Obtenez la version gratuite de SPAMfighter ici: http://www.spamfighter.com/lfr

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looking for python.NET solution
by sam 20 May '08

20 May '08

Greetings We at ZeOmega have a Python based product that is used for care management in Health plans. our clients run lots of .NET apps in their data centers . They want to integrate with our product using a .NET like web services interface. We are wondering if anyone here would be interested in proposing a solution that will allow us to publish some of our services as .NET web services. I am hoping python.NET can be used to build this layer of functionality. For example we have a Python component with the following method EpisodeController.GetDiagnosisCode() We would like to make the above method available as a .NET service with corresponding WSDL for consumption by a Java or .NET client The proposed solution will have to work on windows 2003 family of server products Please advise if python.NET can be used to solve our problem. The reason we don't want to do this using ZSI or soaplib is due to many reported instances of interoperability problems between .NET clients and these SOAP based modules. So a native .NET based solution is preferable. Regards Sathya "Sam" Rangaswamy

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looing for a python.NET solution
by Sam Rangaswamy 20 May '08

20 May '08

Greetings We at ZeOmega have a Python based product that is used for care management in Health plans. our clients run lots of .NET apps in their data centers . They want to integrate with our product using a .NET like web services interface. We are wondering if anyone here would be interested in proposing a solution that will allow us to publish some of our services as .NET web services. I am hoping python.NET can be used to build this layer of functionality. For example we have a Python component with the following method EpisodeController.GetDiagnosisCode() We would like to make the above method available as a .NET service with corresponding WSDL for consumption by a Java or .NET client The proposed solution will have to work on windows 2003 family of server products Please advise if python.NET can be used to solve our problem. The reason we dont want to do this using ZSI or soaplib is due to many reported instances of interoperability problems between .NET clients and these SOAP based modules. So a native .NET based solution is preferable. Regards Sathya "Sam" Rangaswamy -- =========================================== CEO ZeOmega Open Minds' Open Solutions #2591 Dallas Parkway Suite 408 Frisco TX, 75034 214-618-9880- Ext 8002 (O) 214-975-1258 (F) 214-733-3467 (M) http://www.zeomega.com ============================================ "Who killed the electric car ?" ============================================

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Python.Net with Python 2.5 and Boa 0.6.1
by Serge Gauthier 19 May '08

19 May '08

Hi, I am french and my english is very poor !! I use Boa Constructor 0.6.1 with wxPython and Python 2.5. I have to communicate with a CPU card under Linux RT using Mono (DLL inside) and I have to interface the DLL on the client side. I try to install CLR in c:\Python25\Dlls directory: I have copied clr.pyd and Python.Runtime.dll (python 2.5-UCS2 version) in it. When I run my project I have the following message: import clr ImportError: dynamic module does not define init function (initclr) I have seen the same question on the forum without having the solution. Do you have an idea and a detailed answer ? Thanks Regards -- J'utilise la version gratuíte de SPAMfighter pour utilisateurs privés. Ce programme a supprimé1317 d'e-mails spam à ce jour. Les utilisateurs qui paient n'ont pas ce message dans leurse-mails. Obtenez la version gratuite de SPAMfighter ici: http://www.spamfighter.com/lfr

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passing unicode strings to dotnet-library using mono on ubuntu
by Ulrich Eck 15 May '08

15 May '08

Hi there, i'm working with pyhtonnet to use features from itextsharp ( a dotnet pdf library). the purpose of the app is to fill out pdf forms from within a turbogears appserver. i tried several combinations of encodings and passing str/unicode/ SystemString types to a utility function that sets the current pdf-form value with no success. i wrote a c# sample app that loads utf-8 encoded data and processes the pdf. then i ported it to ironpython with no problem (selecting data from sql-db and setting form-values in the pdfstamper). due to the lack of several essential std-lib modules i decided to use pythonnet with mono within a linux/ubuntu server to access the itext library. basically everything is working - except that there is a problem with german umlauts when passing values from result-sets to the dotnet library. the library methods dont accept pure str objects .. when i use unicode (correctly encoded) or SystemString objects the non-ascii chars wont display in the pdf or the resulting pdf is invalid (probably due to wrong encoding). i know that ironpython has a different string implementation .. is there a way how i can access the dotnet library that behaves similar to ironpythons implementation ? any hints would be greatly appreciated thanks! yours Ulrich Eck

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PyEval_GetGlobals
by Mark Tigges 02 May '08

02 May '08

I am trying to write a C# program that runs a python script. It, looks something like this: PythonEngine.Initialize(); PyList pyargv = null; PyObject sys = PythonEngine.ImportModule("sys"); if (sys.HasAttr("argv")) { pyargv = sys.GetAttr(new PyString("argv")) as PyList; } else { pyargv = new PyList(); foreach (string arg in argv) { pyargv.Append(new PyString(arg)); } } sys.SetAttr("argv", pyargv); string dir = System.IO.Path.GetDirectoryName(argv[0]); if (!String.IsNullOrEmpty(dir)) { PyList path = new PyList(sys.GetAttr("path")); PyObject pydir = new PyString(dir); if(!path.Contains(pydir)) { path.Append(pydir); } } PyObject module = PythonEngine.ImportModule(System.IO.Path.GetFileNameWithoutExtension(argv[0])); if(module!=null) module.Dispose(); PythonEngine.Shutdown(); So far, so good. At this point you may ask why I'm bothering and not just using python.exe. Just trust me, that it's a bit specialized, and I need to do a few other things. Namely, make some changes to the global namespace. So, I added a function to PythonEngine to return new PyDict(Runtime.PyEval_GetGlobals()); So that I can start adding some objects to it that the script can make use of. Unfortunately, PyEval_GetGlobals returns 0. It does so in PythonEngine.RunString as well. This seems kind of strange to me. What am I doing wrong? Thanks, Mark.

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PythonNet May 2008