[ebuild N ] dev-python/numpy-python2-1.16.5::gentoo USE="-doc -lapack -test" PYTHON_TARGETS="python2_7" 0 KiB [ebuild U ] dev-python/numpy-1.17.4-r1::gentoo [1.16.5::gentoo] USE="lapack -doc -test" PYTHON_TARGETS="python3_6 -python3_7 -python3_8% (-python2_7%*)" 6,218 KiB [ebuild N ] dev-python/pygtk-2.24.0-r4:2::gentoo USE="-doc -examples -test" PYTHON_TARGETS="python2_7" 2,306 KiB [blocks B ] <dev-python/numpy-1.17 ("<dev-python/numpy-1.17" is blocking dev-python/numpy-python2-1.16.5) Total: 3 packages (1 upgrade, 2 new), Size of downloads: 8,524 KiB Conflict: 1 block (1 unsatisfied) !!! Multiple package instances within a single package slot have been pulled !!! into the dependency graph, resulting in a slot conflict: dev-python/numpy:0 (dev-python/numpy-1.17.4-r1:0/0::gentoo, ebuild scheduled for merge) USE="lapack -doc -test" ABI_X86="(64)" PYTHON_TARGETS="python3_6 -python3_7 -python3_8" pulled in by dev-python/numpy (Argument) (dev-python/numpy-1.16.5:0/0::gentoo, installed) USE="lapack -doc -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 -python3_7" pulled in by >=dev-python/numpy-1.7.1[python_targets_python2_7(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-)] required by (dev-python/matplotlib-2.2.4:0/0::gentoo, installed) USE="cairo gtk3 qt5 wxwidgets (-doc) -examples -excel -gtk2 -latex -test -tk" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 -python3_7" Other packages seem to have had their numpy dependency replaced by an "numpy || numpy-python2" construct. This one did not. Not sure if there is a technical reason for this, in which I would be happy to learn. Reproducible: Always
'Other packages' don't support python3. matplotlib does both py2 & py3, so it's not eligible.
Sorry, too stupid to understand. I have no idea how to get out of this situation and would like to see my daily updates working again, so I'm just masking >=dev-python/numpy-1.17 for now and will wait until someday I don't need to be an Gentoo Python expert for this update to work flawlessly.
Decided to stop using media-video/pitivi instead, which was my only use for matplotlib.
(In reply to Michał Górny from comment #1) > 'Other packages' don't support python3. matplotlib does both py2 & py3, so > it's not eligible. It appears that matplotlib is blocking the numpy-1.17 update. Can you please explain why that happens, if it is not a python2/3 issue?
matplotlib-3.1.2 is in tree as a Python 3 only release. Please give that a try.
