[Python.NET] pythonnet and numpy

[Stephen P. Lepisto]

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 at gmail.com 
> <mailto: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 
>> <http://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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>
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-- 
Stephen P. Lepisto

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