It sounds like you're missing IronPython.Modules.dll - this contains the signal module which is implemented in C#. If just referencing it and making sure it gets copied next to IronPython.dll doesn't work then you'll need to call scriptRuntime.LoadAssembly(typeof(CTypes).Assembly); to get the modules loaded into the runtime.
From: ironpython-users-bounces+dinov=microsoft....@python.org [mailto:ironpython-users-bounces+dinov=microsoft....@python.org] On Behalf Of Felix Zumstein Sent: Wednesday, August 24, 2011 12:34 PM To: ironpython-users@python.org Subject: [Ironpython-users] Cannot import numpy from IronPython in VS Hi all, I installed Numpy/SciPy from http://www.enthought.com/repo/.iron/ and I am running PTVS (1.0 Release Candidate 2), IronPython 2.7 and finally VS2010 Premium. Now, I can import numpy easily on ipy.exe and even in the interactive window in Visual Studio, but I can't make it work embedded in a C# project. Even following the suggestions in http://stackoverflow.com/questions/5526151/ironpython-invocation-from-c-with-scipy-fails-with-importexception-no-module and adding the path references, I still get a "No module named signal" error. Without adding the paths I get a "No module named numpy" error. If sombody could create a simple project like this one: http://code.msdn.microsoft.com/Using-IronPython-with-80747ebe but additionally including a call to numpy in the helloworld.py file would be awesome. thanks! Felix
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