[Ifeffit] Issues reinstalling Larch, error creating desktop shortcut for macOS

[Mauro Rovezzi]

Dear Lauren,

Sorry for the trouble, this is a known bug that shows up with the 
upgrade to `silx==1.0.0`, a dependency of Larch. We have fixed it in the 
master brach of Larch on Github, as discussed here:

https://github.com/xraypy/xraylarch/issues/332

The quick fix is to reinstall larch with:

GetLarch.sh --devel

This will install a development version that is currently equivalent to 
0.9.57 but with this bug fixed.

Best,
Mauro


On 2022-01-04 21:51, Lauren N. Pincus wrote:
> Hi Matt,
> 
> I'm having an issue with reinstalling Larch. I'm using macOS Catalina 
> 10.15.7. I had Larch previously installed and it was working well, but 
> found I was no longer able to open up XAS Viewer. The application would 
> start and then quit.
> 
> So, I removed Larch from my system and tried to reinstall it. I first 
> used the mac installer but would get an error that the "Installation 
> failed. The installer encountered an error that caused the installation 
> to fail."
> 
> I then tried the installation using the script in terminal. This 
> appeared successful, but no desktop shortcut was created. I tried to 
> create a desktop shortcut using larch -m but get the following error:
> 
> (base) laurenpincus at lnp24mbp2020 ~ % larch -m
> 
> Traceback (most recent call last):
> 
> File "/Users/laurenpincus/xraylarch/bin/larch", line 5, in <module>
> 
> from larch.apps import run_larch
> 
> File 
> "/Users/laurenpincus/xraylarch/lib/python3.9/site-packages/larch/__init__.py", 
> line 52, in <module>
> 
> from . import builtins
> 
> File 
> "/Users/laurenpincus/xraylarch/lib/python3.9/site-packages/larch/builtins.py", 
> line 22, in <module>
> 
> from . import io
> 
> File 
> "/Users/laurenpincus/xraylarch/lib/python3.9/site-packages/larch/io/__init__.py", 
> line 39, in <module>
> 
> from .specfile_reader import (str2rng_larch, read_specfile, open_specfile,
> 
> File 
> "/Users/laurenpincus/xraylarch/lib/python3.9/site-packages/larch/io/specfile_reader.py", 
> line 26, in <module>
> 
> from silx.io.convert import write_to_h5, _is_commonh5_group
> 
> ImportError: cannot import name '_is_commonh5_group' from 
> 'silx.io.convert' 
> (/Users/laurenpincus/xraylarch/lib/python3.9/site-packages/silx/io/convert.py)
> 
> (base) laurenpincus at lnp24mbp2020 ~ %
> 
> 
> Thanks,
> Lauren
> 
> Lauren Pincus, PhD
> NSF Earth Sciences Postdoctoral Fellow
> Princeton University
> Department of Geosciences
> 
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