Mailman 3 ফেব্রুয়ারি 2012 - Python.NET

Multithreading/multiprocessing
by Alan Macdonald 5 মে, 2025

5 মে, 2025

Hello, has anyone successfully used multithreading or multiprocessing with Python.Net? I tried to multi-thread from the .Net side and the Python.Net libraries seem to have issues in the RunScript method. I had to take an implementation off the web of that method because the shipped method doesn’t seem to work. I then had a working multi-processing example from CPython that I tried from Python.Net but it gives an error 'module' object has no attribute 'argv' When trying to create a process pool by executing the line pool = Pool(processes=4) Is it possible to do multithreading or multiprocessing with Python.Net? Thanks, Alan

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Setting PYTHONPATH from code
by Sharon Rozenblum 5 এপ্রিল, 2013

5 এপ্রিল, 2013

Hi! Can someone tell me how to set PYTHONPATH variable in code when working with Python.Runtime.dll without changing the value in the system variables before. Thanks SHARON ________________________________ PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies).

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Re: [Python.NET] [ pythonnet-Bugs-3293169 ] clr.AddReference fails when assembly is built with .NET 4.0
by Barton 6 ফেব্রুয়ারি, 2012

6 ফেব্রুয়ারি, 2012

This is some of the best info distributed to date concerning compiling pythondotnet for .NET 4 On 5/3/2011 1:04 AM, SourceForge.net wrote: > Bugs item #3293169, was opened at 2011-04-26 08:30 > Message generated for change (Comment added) made by barton_c > You can respond by visiting: > https://sourceforge.net/tracker/?func=detail&atid=823891&aid=3293169&group_… > > Please note that this message will contain a full copy of the comment thread, > including the initial issue submission, for this request, > not just the latest update. > Category: Interface (example) > Group: None > Status: Closed > Resolution: None > Priority: 5 > Private: No > Submitted By: Guillaume (gdumont) > Assigned to: Nobody/Anonymous (nobody) > Summary: clr.AddReference fails when assembly is built with .NET 4.0 > > Initial Comment: > Hi, > > I am not sure if it is a bug or an incompatibility between the CLR versions but here it is: > > I can successfully load an assembly built with version 2.0, 3.0 and 3.5 but it fails to load with 4.0. I always get a file not found exception > > File "<stdin>", line 1, in<module> > System.IO.FileNotFoundException: Unable to find assembly 'MyPythonAssemby'. > at Python.Runtime.CLRModule.AddReference(String name) in H:\Documents\Visual > Studio 2008\Projects\PySharp\trunk\pythonnet\src\runtime\moduleobject.cs:line 375 > > Does python for .NET support .NET 4.0? > > Thanks > > > ---------------------------------------------------------------------- > >> Comment By: Barton Cline (barton_c) > Date: 2011-05-03 01:04 > > Message: > > Here is how oleksii got VS2010 and .NET 4.0 working: > > 1. Get the sources (tarball from sourceforge or directly from SVN) > 2. Open the pythonnet.sln with VS2010 and convert to 2010 format (will > happen automagically) > 3. Change the target framework to 4. Follow the following step for EACH > project > 3.1. Right-click on the project name and select "Properties" > 3.2. Select the "Application" tab on the left (if not selected yet) > 3.3. Change the "Target framework" to ".NET Framework 4" > 4. Open the clrmodule.il and change the lines with the version number in > the following piece of code > > .assembly extern mscorlib { .publickeytoken = (B7 7A 5C 56 19 34 E0 89 ) > .ver 2:0:0:0 } > > to have > > .ver 4:0:0:0 > > 5. Open the buildclrmodule.bat and change the > > %windir%\Microsoft.NET\Framework\v2.0.50727\ilasm /nologo /quiet /dll > %ILASM_EXTRA_ARGS% /include=%INCLUDE_PATH% /output=%OUTPUT_PATH% > %INPUT_PATH% > > to > > %windir%\Microsoft.NET\Framework\v4.0.30319\ilasm /nologo /quiet /dll > %ILASM_EXTRA_ARGS% /include=%INCLUDE_PATH% /output=%OUTPUT_PATH% > %INPUT_PATH% > > 5. Recompile the whole solution, ignore the deprecation warnings. > > Now you have all necessary files under the pythonnet folder where you have > the sources. You need clr.pyd, python.exe and Python.Runtime.dll. > > ---------------------------------------------------------------------- > > Comment By: Guillaume (gdumont) > Date: 2011-04-26 11:02 > > Message: > Ok, > > After recompiling with vs2010 and targeting .NET 4.0 my assembly loads > fine. So I closed the ticket. > > ---------------------------------------------------------------------- > > You can respond by visiting: > https://sourceforge.net/tracker/?func=detail&atid=823891&aid=3293169&group_… >

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vs2010 DotNet 4?
by Mark Tigges 2 ফেব্রুয়ারি, 2012

2 ফেব্রুয়ারি, 2012

The first thing one seems to have to do is define UCS4 Upon trying out building the PythonDotNet source tree with 2010 and dotnet 4 with UCS4 I get a bunch of errors related to the use of a namespace Mono. I tried excluding the monosupport.cs file, but the runtime.cs file seems to require it as well. It makes use of the Utf32Marshaler defined in monosupport.cs. Has no analogous work been done for Microsoft dotnet 4? Thanks, Mark.

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