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In the "python-opentsne" PKGBUILD, I commented line: "rm -r "${pkgdir}"/usr/lib/python*/site-packages/{benchmarks,examples,tests}" and works.

==> ERROR: A failure occurred in package().
    Aborting...
Error making: python-opentsne

Throws an error after installation:

pkg_resources.DistributionNotFound: The 'openTSNE>=0.3.0' distribution was not found and is required by Orange3

@geosam, @mmdoublem, please ask upstream for the fusion argument as default, or use an alias in your shell or whatever

This has already been mentioned for the previous versions:

Please chnage Desktop app with:

orange-canvas --style fusion

It is really fustrating to have to change this manually everytime.

Otherwise thank you for making this software available here!

Currently orange-canvas highlights missing dependencies after installing them:

Traceback (most recent call last): File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 570, in _build_master ws.require(requires) File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 888, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 779, in resolve raise VersionConflict(dist, req).with_context(dependent_req) pkg_resources.ContextualVersionConflict: (networkx 2.1 (/usr/lib/python3.7/site-packages), Requirement.parse('networkx<2.0.0'), {'python-louvain'})

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/usr/bin/orange-canvas", line 6, in <module> from pkg_resources import load_entry_point File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 3095, in <module> @_call_aside File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 3079, in _call_aside f(args, *kwargs) File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 3108, in _initialize_master_working_set working_set = WorkingSet._build_master() File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 572, in _build_master return cls._build_from_requirements(requires) File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 585, in _build_from_requirements dists = ws.resolve(reqs, Environment()) File "/usr/lib/python3.7/site-packages/pkg_resources/init.py", line 779, in resolve raise VersionConflict(dipython3 -m Orange.canvasst, req).with_context(dependent_req) pkg_resources.ContextualVersionConflict: (networkx 2.1 (/usr/lib/python3.7/site-packages), Requirement.parse('networkx<2.0.0'), {'python-louvain'})</module></module>

However python3 -m Orange.canvas starts the program

Please chnage Desktop app with:

orange-canvas --style fusion

Thanks for the update. I did a complete remove and re-install to check that all dependencies were OK. You are still missing 2 packages:
python-pip
python-dill

It installed fine but when I tried to execute orange-canvas I ran into multiple missing dependencies error:
pkg_resources.DistributionNotFound: The 'keyrings.alt' distribution was not found and is required by Orange3
dill
pkg_resources.DistributionNotFound: The 'bottleneck>=1.0.0' distribution was not found and is required by Orange3
AnyQt

I could install keyrings.alt, dill and bottleneck manually but AnyQt is not available.

There is a desktop file missing from the package (install script could provide it as it is a text-only content and the icon is already present on the system). A working example for me is:

[Desktop Entry]
Version=1.0
Type=Application
Name=Orange
Exec=orange-canvas
Terminal=false
Icon=/usr/lib/python3.5/site-packages/Orange/canvas/icons/orange-canvas.svg
Categories=Development;

@KozRoss, python -m Orange.canvas