[Python.NET] pythonnet and numpy

Bradley Friedman brad at fie.us
Fri Nov 2 16:42:49 CET 2012

That error suggests issues with your path or current directory.  Multiple or incompatible dynamic libraries etc. in the path. Generally speaking, pythonnet does work with numpy.  Something specific is wrong, loading a dll in a low level manner that msvc is upset. 

Sent from my iPad

On Nov 2, 2012, at 10:55 AM, John Burkhart <jfburkhart.reg at gmail.com> wrote:

> Hello,
> As mentioned in the other thread, I have built pythonnet with VS2012 for a 64-bit Python installation and using .NET 4 assemblies. Things seem to work well.
> However, I just tried to `import numpy` and all hell broke loose... the reason I pursued pythonnet was because I thought it would allow me to use the pure CPython modules without needing to rely on any of the modified versions built for IronPython. Below is the PowerShell output from starting EPD and importing numpy and starting pythonnet python.exe and importing numpy.
> PS G:\svn\Python\pythonnet\trunk\pythonnet\src\console\bin\Debug> python #should load EPD python
> Enthought Python Distribution -- www.enthought.com
> Version: 7.3-2 (64-bit)
> Python 2.7.3 |EPD 7.3-2 (64-bit)| (default, Apr 12 2012, 15:20:16) [MSC v.1500 64 bit (AMD64)] on win32
> Type "credits", "demo" or "enthought" for more information.
> >>> import numpy; print numpy.__version__
> 1.6.1
> >>> exit()
> PS G:\svn\Python\pythonnet\trunk\pythonnet\src\console\bin\Debug> .\python.exe
> Python 2.7.3 (default, Apr 10 2012, 23:24:47) [MSC v.1500 64 bit (AMD64)] on win32
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import numpy
> [Bang!] - A window opens with
> TITLE: Microsoft Visual C++ Runtime Library
> Message: Runtime Error!
> Program: G:\svn\Python...
> R6034
> An application has made an attempt to load the C runtime library incorrectly
> Please contact the application's support team for more information
> """
> This is not a lot of information, but maybe someone has some ideas on how to troubleshoot?
> Thank you,
> john
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