[Python.NET] homebrew pythonnet, versus pip install --pre pythonnet

Wed Jun 4 19:46:19 CEST 2014

Pull requests to fix this are more than welcome :) I agree that building from the IDE should also work, but right now there doesn’t seem to be the man power to fix all of these things. 

From: PythonDotNet [mailto:pythondotnet-bounces+anthoff=berkeley.edu at python.org] On Behalf Of Brad Friedman
Sent: Wednesday, June 4, 2014 9:49 AM
To: A list for users and developers of Python for .NET
Subject: Re: [Python.NET] homebrew pythonnet, versus pip install --pre pythonnet

Umm. As an asside:  seriously?  You are only supporting setup.py builds from this branch?  That's a problem. Python.net <http://Python.net>  is also used to embed python. Therefore, it should build from IDE on all platforms and also from an autotools system. 

On Jun 4, 2014, at 6:15 AM, Tony Roberts <tony at pyxll.com <mailto:tony at pyxll.com> > wrote:

Hi Adam,

that 2.0.0.beta1 build was built from the source on github here:

https://github.com/pythonnet/pythonnet

You should build it using the setup.py script and not in the IDE.

There are CI builds setup for both windows and linux (see README.md) if you want to see exactly how the wheel gets built.

Best regards,

Tony

On Wed, Jun 4, 2014 at 3:48 AM, Bradley Friedman <brad at fie.us <mailto:brad at fie.us> > wrote:

Can you provide the contents of the ".Config" file that is built with your particular build solution?  There's a pretty good chance that the "FileNotFound" is actually mono trying to link back to Python shared libraries.  Though to be honest, debugging is going to be your best bet here.  You might try building in Xamarin or MonoDevelop on the mac, to be able to debug more easily.

-brad

On Jun 3, 2014, at 7:15 PM, Tribble, Brett <btribble at ea.com <mailto:btribble at ea.com> > wrote:

It has been a while since I’ve had to deal with this, but make sure that your assembly is in the system path and/or pythonpath if it is not registered in the GAC.

From: PythonDotNet [mailto:pythondotnet-bounces+btribble=ea.com at python.org] On Behalf Of Adam Klein
Sent: Tuesday, June 03, 2014 4:02 PM
To: pythondotnet at python.org <mailto:pythondotnet at python.org> 
Subject: [Python.NET <http://Python.NET> ] homebrew pythonnet, versus pip install --pre pythonnet

Hi All,

Amazing library, first of all!

I am experimenting with integrating ipython / numpy / pandas for interactive data analysis with our large existing C# codebase. We are using the Anaconda 2.0 release from ContinuumIO. With `pip install –pre pythonnet`, everything goes as expected (great!)

However, when I build from source (in VS2013), point my PYTHONPATH to the clr.pyd and Python.Runtime.dll that results from the build, and run my ipython, I can do `import clr` and `ref = clr.AddReference(“assemblyname”)`, but I cannot load any modules within this assembly. I get a `ImportError: No module named …` Furthermore, if I try to do ref.ExportedTypes, I get a `FileNotFoundException: Could not load file or assembly …` where it cannot find an assembly that is referenced by the original assembly. There must be some broken loading going on… Any thoughts why this might have different behavior than what I install via PyPI ( <https://pypi.python.org/pypi/pythonnet/2.0.0.dev1> https://pypi.python.org/pypi/pythonnet/2.0.0.dev1)? Or, hints on how to debug?

Thanks!!!

--Adam

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