[Python.NET] PythonDotNet Digest, Vol 103, Issue 4

Mon Nov 5 08:50:25 CET 2012

Thanks all for the replies! I've also been in touch with the folks at
Enthought, and they provided the idea that has led to me posting a question
at StackExchange:

http://stackoverflow.com/questions/13222393/compiling-pythonnet-net-to-work-ethought-python-distribution-using-visual-stu

I'm pretty sure my bit-to-bit issue is accounted for. I've also used the
numpy from EPD in the same python I'm using for pythonnet and that has no
problems. As far as the UCS issues, I was only able to build the pythonnet
project as UCS-2, if I changed that string to UCS-4 the build crashed...
maybe something on windows?

Thanks for helping!

On Sat, Nov 3, 2012 at 12:00 PM, <pythondotnet-request at python.org> wrote:

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> Today's Topics:
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>    1. Re: pythonnet and numpy (Stephen P. Lepisto)
>    2. Re: pythonnet and numpy (Bradley Friedman)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 02 Nov 2012 19:48:39 -0700
> From: "Stephen P. Lepisto" <stephenp at otakuworld.com>
> To: pythondotnet at python.org
> Subject: Re: [Python.NET] pythonnet and numpy
> Message-ID: <50948607.3070802 at otakuworld.com>
> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>
> 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
> >>
> >>
> >>
> >>
> >>
> >> _________________________________________________
> >> Python.NET <http://Python.NET> mailing list - PythonDotNet at python.org
> >> <mailto:PythonDotNet at python.org>
> >> http://mail.python.org/mailman/listinfo/pythondotnet
> >
> >
> > _________________________________________________
> > Python.NET mailing list - PythonDotNet at python.org
> > http://mail.python.org/mailman/listinfo/pythondotnet
>
> --
> Stephen P. Lepisto
>
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>
> Message: 2
> Date: Sat, 3 Nov 2012 00:13:42 -0400
> From: Bradley Friedman <brad at fie.us>
> To: "Stephen P. Lepisto" <stephenp at otakuworld.com>
> Cc: "pythondotnet at python.org" <pythondotnet at python.org>
> Subject: Re: [Python.NET] pythonnet and numpy
> Message-ID: <3A2C13FC-9C4D-4C52-81ED-3FDDF9083C99 at fie.us>
> Content-Type: text/plain; charset="us-ascii"
>
> 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 at 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 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
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> _________________________________________________
> >>> Python.NET mailing list - PythonDotNet at python.org
> >>> http://mail.python.org/mailman/listinfo/pythondotnet
> >>
> >>
> >> _________________________________________________
> >> Python.NET mailing list - PythonDotNet at python.org
> >> http://mail.python.org/mailman/listinfo/pythondotnet
> >
> > --
> > Stephen P. Lepisto
> > _________________________________________________
> > Python.NET mailing list - PythonDotNet at python.org
> > http://mail.python.org/mailman/listinfo/pythondotnet
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