Hi Alla,
thanks for your prompt repsonse. In Python terms String('A') means
constructor with a string parameter AFAIK. When I use the python.exe build
against CLR 2.0 (from pythonnet-2.0-alpha2-clr2.0_115_py26.zip) it works,
but then it talks against .NET 2.0 while I want to talk to the same 4.0
version as my .NET application.
With the example below using the .NET 2.0 version I get
>>> s = String.__overloads__[Char, Int32]('A', 10)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: type object 'String' has no attribute '__overloads__'
Basically it seems that the version of python for .net compiled against .NET
4.0 runtime does not work out of box for me. I wonder if somebody had more
luck with this.
2011/1/6 Alla Gofman <alla.gof...@sandisk.com>
Hi Oleksii,
>
>
>
> I have no experience with importing .net modules into Python.
>
> I work on embedding Python into C#.
>
> There is no such constructor String('A') for String class as you use,
> which gets char.
>
> You can see which constructors exists in:
> http://msdn.microsoft.com/en-us/library/system.string.string.aspx
>
>
>
> Example:
>
> I read in http://pythonnet.sourceforge.net/readme.html
>
> In most cases, Python for .NET can determine the correct constructor to
> call automatically based on the arguments. In some cases, it may be
> necessary to call a particular overloaded constructor, which is supported by
> a special "__overloads__" attribute on a class:
>
> from System import String, Char, Int32
>
>
>
> s = String.__overloads__[Char, Int32]('A', 10)
>
>
>
> I hope you succeed,
>
>
> Alla
>
>
>
> *From:* pythondotnet-bounces+alla.gofman=sandisk....@python.org [mailto:
> pythondotnet-bounces+alla.gofman <pythondotnet-bounces%2Balla.gofman>=
> sandisk....@python.org] *On Behalf Of *Oleksii Bidiuk
> *Sent:* Thursday, January 06, 2011 4:27 PM
> *To:* pythondotnet@python.org
> *Subject:* [Python.NET] PythonNET 2.0 Alpha2 and .NET 4.0
>
>
>
> Hi,
>
>
>
> I am trying to use Python for .NET under VS2010 and .NET 4.0. I've
> downloaded the pythonnet-2.0-alpha2.zip and changed the project settings to
> use .NET 4.0 under VS2010 and recompiled everything. The resulting
> python.exe can be run, and statements like "import clr" and "from System
> import String" work (as the Python standard library calls as well) until I
> try to instantiate a class as e.g.
>
>
>
> s = String('A')
>
> At this moment the Python for .NET seem to crash in nativecall.cs at
> NativeCall.Call_3() at (the only) line
>
>
>
> return Impl.Call_3(fp, a1, a2, a3);
>
>
>
> with dreaded "Exception of type 'System.ExecutionEngineException' was
> thrown.". Trying to instantiate Int32() object results in "Attempted to read
> or write protected memory. This is often an indication that other memory is
> corrupt."
>
>
>
> Suggestions are more than welcome! Thanks in advance!
> --
> oleksii
>
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--
oleksii
--
oleksii
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