[Python.NET] How to create an instance of C# from pythonnet?

[Stephen P. Lepisto]

Try this from python with pythonNet installed (the current directory is 
assumed to contain Adapter.dll):

import clr
clr.AddReference("Adapter")        # Load the Adapter.dll
from AAA.BBB import Adapter    # Get the Adapter class type
adapter = Adapter()   # Create instance of the Adapter class
adapter.GetSpeed()    # Call the method


On 4/18/2013 3:42 PM, Seungweon Park wrote:
> Thank you for the reply.
>
> I did
>
> >>> import clr
> >>> from System.Reflection import Assembly
> >>> Assembly.LoadWithPartialName("Adapter")
> <System.Reflection.RuntimeAssembly object at 0x05381148>
> >>> from AAA.BBB import Adapter
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ImportError: No module named AAA.BBB
>
> I don't know why I got this. :-(
> Any idea?
>
>
>
> On Thu, Apr 18, 2013 at 3:07 PM, msutton <msutton at ucsd.edu 
> <mailto:msutton at ucsd.edu>> wrote:
>
>     What I use is:
>
>     import clr
>     from System.Reflection import Assembly
>     Assembly.LoadWithPartialName('Demo')
>     from Render import Demo
>
>     where the C# code has namespace Render and public class Demo.
>
>     -Manuel
>
>
>     On 04/18/2013 02:45 PM, Seungweon Park wrote:
>>     Hi,
>>
>>     I have Adapter.dll with namespace 'AAA.BBB.Adapter" written in C#
>>     which gives network adapter information.
>>     I want to call one of method GetSpeed(). I don't know How to
>>     create an instance in python.
>>     Would you give me some clue for writing the same python code like
>>     below powershell script using python.net <http://python.net>
>>     I don't see any sample code which python creates C# class instance.
>>
>>
>>     Python
>>     ---------------------------
>>     C:\CVS\Pythonnet>npython
>>     Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit
>>     (Intel)] on win32
>>     Type "help", "copyright", "credits" or "license" for more
>>     information.
>>     >>> import os,sys
>>     >>>
>>     sys.path.append("c:\\cvs\\powershelliteexample\\networktestlibrary\\iteextensions")
>>     >>> sys.path
>>     ['',
>>     'C:\\Python27\\lib\\site-packages\\paramiko-1.10.0-py2.7.egg',
>>     'C:\\CVS\\Python\\libs', 'C:\\Windows\\system32\\pyt
>>     hon27.zip', 'C:\\Python27\\Lib', 'C:\\Python27\\DLLs',
>>     'C:\\Python27\\Lib\\lib-tk', 'C:\\CVS\\Pythonnet', 'C:\\Python27'
>>     , 'C:\\Python27\\lib\\site-packages',
>>     'C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\',
>>     'c:\\cvs\\powershelliteexam
>>     ple\\networktestlibrary\\iteextensions']
>>     >>> import clr
>>     >>> clr.FindAssembly("Adapter")
>>     u'c:\\cvs\\powershelliteexample\\networktestlibrary\\iteextensions\\Adapter.dll'
>>     >>> clr.AddReference("Adapter")
>>     <System.Reflection.RuntimeAssembly object at 0x052028A0>
>>
>>     I don't know how to create an instance of Adapter.
>>
>>
>>     Thank you,
>>     Spark.
>>
>>
>>     Powershell
>>     ----------------------------
>>     PS C:\CVS\PowershellITEExample> Import-Module .\LoadAdapter.psd1
>>     PS C:\CVS\PowershellITEExample> $adapter = New-object -type
>>     "AAA.BBB.Adapter"
>>     PS C:\CVS\PowershellITEExample> $ret =
>>     $adapter.GetAdapter("TestAdapter", "oids.xml")
>>     PS C:\CVS\PowershellITEExample> $ret.Passed
>>     True
>>     PS C:\CVS\PowershellITEExample> $baseAdapter =
>>     $ret.FunctionReturnValue
>>     PS C:\CVS\PowershellITEExample> $baseAdapter.GetSpeed()
>>
>>     Passed              : True
>>     Failed              : False
>>     Errored             : False
>>     Status              : Pass
>>     Description         : Speed retrieved successfully.
>>     FunctionReturnValue : auto
>>
>>
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>
>
>
>
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-- 
Stephen P. Lepisto

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