Mailman 3 February 2008 - Python.NET

converting Pyobject to user defined type data structures
by Kaveripakam, Sathish 16 Apr '08

16 Apr '08

Hi All, I am reading a PyObject from Python in C#. In C# code, I would like to convert the PyObject to the user defined type. In this regard, I used the call: <usrDefinedType> x = (usrDefinedType) Convert.ChangeType(pyObjectInstance,typeof(usrDefinedType)); The compilation went on fine, but during runtime, I got an error saying: "Object must implement IConvertible". I was wondering, is there any other way to convert the PyObjects to userdefined types ? Regards ******************** Legal Notice: The information in this electronic transmission may contain confidential or legally privileged information and is intended solely for the individual(s) named above. If you are not an intended recipient or an authorized agent, you are hereby notified that reading, distributing, or otherwise disseminating, copying or taking any action based on the contents of this transmission is strictly prohibited. Any unauthorized interception of this transmission is illegal under law. If you have received this transmission in error, please notify the sender by telephone [at the number indicated above/ on +41 58 928 0101] as soon as possible and then destroy all copies of this transmission. ********************

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Re: [Python.NET] How to execute a python script from .Net using C#
by vipin gupta 26 Feb '08

26 Feb '08

try python project for c# ----- Original Message ---- From: niki <niki(a)vintech.bg> To: pythondotnet(a)python.org Sent: Monday, 25 February, 2008 10:37:48 PM Subject: Re: [Python.NET] How to execute a python script from .Net using C# Suman Lal Banik wrote: > Hi, > My self Suman Lal Banik..I want a help.I want to execute python > script from a .Net application using c# . Can any one help me in this > regard. try IronPython HTH Niki Spahiev _________________________________________________ Python.NET mailing list - PythonDotNet(a)python.org http://mail.python.org/mailman/listinfo/pythondotnet Chat on a cool, new interface. No download required. Go to http://in.messenger.yahoo.com/webmessengerpromo.php

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How to execute a python script from .Net using C#
by Suman Lal Banik 25 Feb '08

25 Feb '08

Hi, My self Suman Lal Banik..I want a help.I want to execute python script from a .Net application using c# . Can any one help me in this regard. Thanking you, Regards, Suman Lal Banik

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Re: [Python.NET] Errors with Python.Net 2.0 SP 1
by Nicolas Lelong 15 Feb '08

15 Feb '08

Hi, I have the same problem here since this morning, as XP installed automatically the .NET 2.0 SP 1 update. Unit test 'leaktest.py' illustrated the problem :: H:\temp\pythonnet\pythonnet_orig\src\tests>..\..\python.exe leaktest.py Running module leak check... start: 16109568 end: 17137664 diff: +1028096 Running class leak check... Unhandled Exception: System.TypeInitializationException: The type initializer for 'Python.Runtime.CodeGenerator' threw an exception. -- -> System.InvalidCastException: Unable to cast object of type 'System.Reflection.Module' to type 'System.Reflection.Emit.ModuleBuilder'. at System.Reflection.Emit.AssemblyBuilderData.GetInMemoryAssemblyModule() at System.AppDomain.InternalDefineDynamicAssembly(AssemblyName name, AssemblyBuilderAccess access, String dir, Evidence evidence, PermissionSet requiredPermissions, PermissionSet optionalPermissions, PermissionSet refusedPermissions, StackCrawlMark& stackMark, IEnumerable`1 unsafeAssemblyAttributes) at System.AppDomain.DefineDynamicAssembly(AssemblyName name, AssemblyBuilderAccess access) at Python.Runtime.CodeGenerator..cctor() in H:\temp\pythonnet\pythonnet_orig\src\runtime\codegenerator.cs:line 37 --- End of inner exception stack trace --- at Python.Runtime.DelegateManager.GetDispatcher(Type dtype) in H:\temp\pythonnet\pythonnet_orig\src\runtime\delegatemanager.cs:line 79 at Python.Runtime.DelegateManager.GetDelegate(Type dtype, IntPtr callable) in H:\temp\pythonnet\pythonnet_orig\src\runtime\delegatemanager.cs:line 168 at Python.Runtime.DelegateObject.tp_new(IntPtr tp, IntPtr args, IntPtr kw) in H:\temp\pythonnet\pythonnet_orig\src\runtime\delegateobject.cs:line 74 at e__NativeCall.Call_3(IntPtr , IntPtr , IntPtr , IntPtr ) at Python.Runtime.MetaType.tp_call(IntPtr tp, IntPtr args, IntPtr kw) in H:\temp\pythonnet\pythonnet_orig\src\runtime\metatype.cs:line 156 at Python.Runtime.Runtime.Py_Main(Int32 argc, String[] argv) at Python.Runtime.PythonConsole.Main(String[] args) in H:\temp\pythonnet\pythonnet_orig\src\console\pythonconsole.cs:line 24 I think, for now, I will uninstall this SP1... Cheers, Nicolas.

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Pleae help me
by Praveen Kumar 11 Feb '08

11 Feb '08

Hi I am using Ironpython for Microsoft.net am not using IronPython 1.1.1.1, I have seperately downloaded Ironpython for Microsoft.net and wrote this code. and i import xlrd module(to read excel file) import SampleModule from SampleModule import SampleClass def Page_Load(): pass _PrivateMethod("1") PublicMethod("2") def _PrivateMethod(text): lblPrivate.Text="private %s" %text def PublicMethod(text): lblPublic.Text="public %s" %text def Private_Click(sender,args): _PrivateMethod("3") def Button1_Click(sender, args): sc = SampleClass() sc.TestString = TextBox1.Text Label1.Text = sc.TestString Label1.Visible="True" Then its showing error --------------->.. Value cannot be null. Parameter name: encoding. please help me out to resolve this error. -- Praveen Kumar Mahiti Infotech Pvt. Ltd. # 33-34, Hennur Cross Hennur Main Road Bangalore, India - 560043 Mobile: +91 9343297314 Phone: +91 80 4148 5080/1 41150580/1 http://www.mahiti.org

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How to manipulate python module property from C#?
by Charles Chiu 08 Feb '08

08 Feb '08

Hi Everyone, I just found out python for .net yesterday and would be interested in knowing about this. I have tried to test it myself however, i couldn't figure out what is wrong with the code i wrote. I am trying to invoke a simple method hello() from Hello.py here is the code i wrote: namespace PyWrapper { class Program { static void Main(string[] args) { PythonEngine.Initialize(); PyObject sys = PythonEngine.ImportModule("sys"); string actual_path = sys.GetAttr("path").ToString(); Console.WriteLine(actual_path); string path = "my path to the py file"; PyObject hello = PythonEngine.ImportModule("hello"); // PyObject hello remins null after the line above which i suspect that is the reason the next line crashes. string fromPython = hello.InvokeMethod("hello", new PyTuple()).ToString(); PythonEngine.Shutdown(); } } } Can someone give me some suggestion on what kind of problem this could be? thanks ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search. http://tools.search.yahoo.com/newsearch/category.php?category=shopping

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