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mikofski opened this issue Mar 15, 2016 · 4 comments
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on Linux with Mono FileStream(String, FileMode) says no constructor matches #187

mikofski opened this issue Mar 15, 2016 · 4 comments

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@mikofski
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Ubuntu-14.04LTS
Python-2.7
Python.NET latest development branch with #119 patch for setup.py
Mono-4.0.12 (Xamarin)

I know that Python.NET isn't officially supported on Linux with mono, but I thought for posterity I should report this and maybe I or someone else will find a fix for at a later date.

>>> import clr
>>> clr.AddReference("System.IO")
>>> from System.IO import FileStream, FileMode
>>> fs = FileStream('myfile.net', FileMode.Open)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-22-0478243743b3> in <module>()
----> 1 fs = FileStream('myfile.net', FileMode.Open)

TypeError: no constructor matches given arguments

The same exact commands work on IronPython, so I don't think it's mono. I think the way to solve this is to rebuild pythonnet with debugging and attach GDB to the python process and step through the .NET code. If/when I do this, I will update this ticket. ✌️
@tonyroberts
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mono/linux is supported, so what you're trying to do is perfectly reasonable! There were some changes to the type conversion that may have broken this - try pull the #176 PR and see if that helps (it may not get merged in exactly its current state, but some fix like the one in there is needed).

@den-run-ai
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@mikofski this special case for enums has been merged to default develop branch. let us know if it does not work:

#176

@vmuriart vmuriart mentioned this issue Apr 17, 2016
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@JimSEOW
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JimSEOW commented Jun 12, 2016

please share links which suggest it is possible to use python.NET in xamarin mono

@den-run-ai
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@JimSEOW can you open a separate issue for this? Mono from Xamarin is mainly used on Android and iOS, so mention your platform of interest.

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@mikofski @tonyroberts @den-run-ai @JimSEOW