There is also the ucs-2 versus ucs-4 binary incompatibility. Though that one usually shows up when you call, not when you bind. But then again, I have only kicked that off on unix. On windows it might show up on bind. Not sure. Does numpy import when run from the exact python you are using python.net with?  

Sent from my iPad

On Nov 2, 2012, at 10:48 PM, "Stephen P. Lepisto" <stephenp@otakuworld.com> wrote:

Make sure you are installing the correct "bitness" of numpy for your install of python (64-bit to 64-bit, 32-bit to 32-bit).

On 11/2/2012 8:42 AM, Bradley Friedman wrote:
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@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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Stephen P. Lepisto
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