gentoo resync : 27.03.2021

3 files changed, 522 insertions, 0 deletions

diff --git a/dev-python/matplotlib/Manifest b/dev-python/matplotlib/Manifest
index 13dde5ac9e9d..4271dd613e13 100644
--- a/dev-python/matplotlib/Manifest
+++ b/dev-python/matplotlib/Manifest
@@ -2,7 +2,10 @@ AUX matplotlib-3.3.0-test.patch 9618 BLAKE2B f239d5c16be50b601c91e47e9c43c928bee
 AUX matplotlib-3.3.2-test-extra.patch 851 BLAKE2B 8fca758413834cf78707a42edbf878919e5d5183eac017928f12da0f9636d62ca42b1a7206e8f2131613bfa5249a835083c461c14c5be95091c37ce94902ea17 SHA512 45aaca6349269b5ab7476cbb82ba1dda6f8fa89100f7a8c7c1c5c037db1213b252daccfc5e905cb09d259f4e28d726c583d5a71f2da2421a787bb3b31fca6e5a
 AUX matplotlib-3.3.3-disable-lto.patch 828 BLAKE2B 2044ef633091f27080d20e3e1b2c74605e13e99c9d044e97accde3b0a7946ef656f10c9bf5c036745f8ec85380e48cfd5e3d6fe8a023fa60e408d270f45a1da5 SHA512 81562749756b0415c6ce333d3cbbc197306dc9c2c425ec761767271c974badd13fe9a497c74231cd1bf9347f03ef0593bceff9b597289a8328e7c0211c7047ed
 AUX matplotlib-3.3.4-test-extra.patch 481 BLAKE2B 1926876a15bd2d8b14c62404dddb0b119abde78baea3cee7dd751d0b0a21249ad1461fbba4d20823d7e754f074cbf48aaf2da317685dded99c792be9e17edb9d SHA512 7a7e0bdbd96a4f1f335eb3ee1840747045b09ba974d2614f234fa4fbc5c3e1e7c5fd154ec68a74640a916fed9e0b3d5ca01d1b22ba4f7bf3ba5f47039e67d00a
+AUX matplotlib-3.4.0-test.patch 10105 BLAKE2B 3a084180ec096a99d0b9a25458fd1b422d23599cb6fcbe0d7367df7e5c308675f92e95d008fb80e96125101f8f67c4b3a437209bc4bc032cb779130043827160 SHA512 f6196ded497e6c931f33a50cd82f4c7a5710dbc2dd1d74e3ba4467cf936176ef5a64fc2a9ff5281a0a114041c9751e352e522869ebb28e0e0bc50c4ebf1a8b5a
 DIST freetype-2.6.1.tar.gz 2302080 BLAKE2B 6a5fb98e5fa6cf4b7d7533ad44e364227d8c2f7dded4c552d6e22e204c32b7858f20d41d1e809ecdad6e5353d6cec81bea0e0b06a4533363a41ecab83ce3f7ca SHA512 ff2daed64d712737085924c50e75862fafbcbb24eef6d72dac9eaae63bb656d7245397fd828f5d3e47ac847f7ff83d73dedfdd61fde1f7d6e0f0cdeb49bcf83b
 DIST matplotlib-3.3.4.tar.gz 37941665 BLAKE2B 77b86dc3ceec3695a0d749197bcec684893d237da1aaf8778d9dc2038da1ba56b757bbce94efcf215ac30f35420b77e0a0e75ebb75b6d2cde5146d8a35ee25e7 SHA512 aadfe3db4edde9940b9e15daf1b6c5f237d3a6f38610956ceee994f919d711fce818ea12be4db18aa2a8638c4e8f434d79541fecaa7233e233bf4c73792bc4c4
+DIST matplotlib-3.4.0.tar.gz 37142983 BLAKE2B 64b23d5b9e93e6b319674cea06d0ad425def952e50e7cb163ae91ae0d4460872bb329144271472b7dc2d0ab0a742c9c93ea735dca60ee4b4aa569cb4350cca0b SHA512 880c1e1027c819a34f5528b96d1b730cdd6541aa23931aef4185406ecec971ec2f4c8ca374eced56e654e016652472f7abcd0aae977dd4f327b8c511983a2a1d
 EBUILD matplotlib-3.3.4.ebuild 6929 BLAKE2B 22ff822577ff6cf4f692809429681a52f0f48591eaacf2858d04a34f7008473c803ef87f95ddae705e36c17a09dcaf61281410824e96a947d56e28cdd81ec4cb SHA512 a7af125117cf69af4a40debcbf3476342004100f3499f1028e7087e61168514693f086a6dfd6ace1616d8f27c343346d421a199073fff8a0a78d17062db40ed2
+EBUILD matplotlib-3.4.0.ebuild 6837 BLAKE2B 0ac7dc9aef75e2778102eeead917cff7e7627e1c158a9fcee0d1a247de2d0e5fc7b7b02cff543dbbeba236106f6915906391297bb34598c3ab6e349578caa960 SHA512 31f7cc26d605f3a3db310cf8b5d48a0bcb42e8aff0bf91ea6f94d072c049484be9bb3418aefeb6d02a14e241ff48fc95abf3dad7c87ae5a98d3842c3d0b548f4
 MISC metadata.xml 1013 BLAKE2B 7a02989dfd3230db1225c97927adcf0b6b3fd0dc6d81cca69db3472f4f9fbb185daede39e35ad3477b1592a5deba76fb970be8559bc8b30791484bbe0624d417 SHA512 e1b11cfb0dc4f534f0a0b25bce759554906d5656b7c3607f56ae3b3cc53f8d30a3f5be1e6c96c3942dcb1b7ee0936ddd02c9560507d2d1d2fb46c2f4dbeba608
diff --git a/dev-python/matplotlib/files/matplotlib-3.4.0-test.patch b/dev-python/matplotlib/files/matplotlib-3.4.0-test.patch
new file mode 100644
index 000000000000..3cedaba4ffc3
--- /dev/null
+++ b/dev-python/matplotlib/files/matplotlib-3.4.0-test.patch
@@ -0,0 +1,239 @@
+From d44a24b3744b568fc12209ede6be782babb847b7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
+Date: Fri, 26 Mar 2021 13:42:49 +0100
+Subject: [PATCH] Increase image comparison limits
+
+Most of the tests require exact match which apparently doesn't always
+happen in non-pristine environments.  Some of them have very big
+differences due to texlive font rendering changes.
+---
+ lib/matplotlib/tests/test_arrow_patches.py                | 6 +++---
+ lib/matplotlib/tests/test_axes.py                         | 4 ++--
+ lib/matplotlib/tests/test_backend_pgf.py                  | 8 +++++---
+ lib/matplotlib/tests/test_figure.py                       | 5 +++--
+ lib/matplotlib/tests/test_legend.py                       | 6 +++---
+ lib/matplotlib/tests/test_units.py                        | 4 ++--
+ lib/matplotlib/tests/test_usetex.py                       | 3 ++-
+ lib/mpl_toolkits/tests/test_axes_grid1.py                 | 2 +-
+ .../tests/test_axisartist_grid_helper_curvelinear.py      | 2 +-
+ lib/mpl_toolkits/tests/test_mplot3d.py                    | 2 +-
+ 10 files changed, 23 insertions(+), 19 deletions(-)
+
+diff --git a/lib/matplotlib/tests/test_arrow_patches.py b/lib/matplotlib/tests/test_arrow_patches.py
+index 3c95535e0..c4fad3486 100644
+--- a/lib/matplotlib/tests/test_arrow_patches.py
++++ b/lib/matplotlib/tests/test_arrow_patches.py
+@@ -67,7 +67,7 @@ def __prepare_fancyarrow_dpi_cor_test():
+ 
+ 
+ @image_comparison(['fancyarrow_dpi_cor_100dpi.png'], remove_text=True,
+-                  tol=0 if platform.machine() == 'x86_64' else 0.02,
++                  tol=0.015 if platform.machine() == 'x86_64' else 0.02,
+                   savefig_kwarg=dict(dpi=100))
+ def test_fancyarrow_dpi_cor_100dpi():
+     """
+@@ -82,7 +82,7 @@ def test_fancyarrow_dpi_cor_100dpi():
+ 
+ 
+ @image_comparison(['fancyarrow_dpi_cor_200dpi.png'], remove_text=True,
+-                  tol=0 if platform.machine() == 'x86_64' else 0.02,
++                  tol=0.018 if platform.machine() == 'x86_64' else 0.02,
+                   savefig_kwarg=dict(dpi=200))
+ def test_fancyarrow_dpi_cor_200dpi():
+     """
+@@ -115,7 +115,7 @@ def test_fancyarrow_dash():
+ 
+ 
+ @image_comparison(['arrow_styles.png'], style='mpl20', remove_text=True,
+-                  tol=0 if platform.machine() == 'x86_64' else 0.005)
++                  tol=0.005)
+ def test_arrow_styles():
+     styles = mpatches.ArrowStyle.get_styles()
+ 
+diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
+index ed76af576..772f96177 100644
+--- a/lib/matplotlib/tests/test_axes.py
++++ b/lib/matplotlib/tests/test_axes.py
+@@ -3807,7 +3807,7 @@ def test_hist_labels():
+     assert bars[0].get_label() == '00'
+ 
+ 
+-@image_comparison(['transparent_markers'], remove_text=True)
++@image_comparison(['transparent_markers'], remove_text=True, tol=5)
+ def test_transparent_markers():
+     np.random.seed(0)
+     data = np.random.random(50)
+@@ -4083,7 +4083,7 @@ def test_vertex_markers():
+ 
+ 
+ @image_comparison(['vline_hline_zorder', 'errorbar_zorder'],
+-                  tol=0 if platform.machine() == 'x86_64' else 0.02)
++                  tol=0.015 if platform.machine() == 'x86_64' else 0.02)
+ def test_eb_line_zorder():
+     x = list(range(10))
+ 
+diff --git a/lib/matplotlib/tests/test_backend_pgf.py b/lib/matplotlib/tests/test_backend_pgf.py
+index 75f50ecbf..6973a9681 100644
+--- a/lib/matplotlib/tests/test_backend_pgf.py
++++ b/lib/matplotlib/tests/test_backend_pgf.py
+@@ -91,7 +91,8 @@ def test_xelatex():
+ @needs_pdflatex
+ @pytest.mark.skipif(not _has_tex_package('ucs'), reason='needs ucs.sty')
+ @pytest.mark.backend('pgf')
+-@image_comparison(['pgf_pdflatex.pdf'], style='default')
++@image_comparison(['pgf_pdflatex.pdf'], style='default',
++                  tol=11.669)
+ def test_pdflatex():
+     if os.environ.get('APPVEYOR'):
+         pytest.xfail("pdflatex test does not work on appveyor due to missing "
+@@ -127,7 +128,7 @@ def test_rcupdate():
+                 'pgf.preamble': ('\\usepackage[utf8x]{inputenc}'
+                                  '\\usepackage[T1]{fontenc}'
+                                  '\\usepackage{sfmath}')}]
+-    tol = [6, 0]
++    tol = [6, 14]
+     for i, rc_set in enumerate(rc_sets):
+         with mpl.rc_context(rc_set):
+             for substring, pkg in [('sfmath', 'sfmath'), ('utf8x', 'ucs')]:
+@@ -153,7 +154,8 @@ def test_pathclip():
+ # test mixed mode rendering
+ @needs_xelatex
+ @pytest.mark.backend('pgf')
+-@image_comparison(['pgf_mixedmode.pdf'], style='default')
++@image_comparison(['pgf_mixedmode.pdf'], style='default',
++                  tol=1.086)
+ def test_mixedmode():
+     mpl.rcParams.update({'font.family': 'serif', 'pgf.rcfonts': False})
+     Y, X = np.ogrid[-1:1:40j, -1:1:40j]
+diff --git a/lib/matplotlib/tests/test_figure.py b/lib/matplotlib/tests/test_figure.py
+index 15f084fc1..14fc6b191 100644
+--- a/lib/matplotlib/tests/test_figure.py
++++ b/lib/matplotlib/tests/test_figure.py
+@@ -21,7 +21,7 @@ import pytest
+ 
+ 
+ @image_comparison(['figure_align_labels'], extensions=['png', 'svg'],
+-                  tol=0 if platform.machine() == 'x86_64' else 0.01)
++                  tol=0.02)
+ def test_align_labels():
+     fig = plt.figure(tight_layout=True)
+     gs = gridspec.GridSpec(3, 3)
+@@ -902,7 +902,8 @@ def test_subfigure():
+ 
+ @image_comparison(['test_subfigure_ss.png'], style='mpl20',
+                   savefig_kwarg={'facecolor': 'teal'},
+-                  remove_text=False)
++                  remove_text=False,
++                  tol=0.013)
+ def test_subfigure_ss():
+     # test assigning the subfigure via subplotspec
+     np.random.seed(19680801)
+diff --git a/lib/matplotlib/tests/test_legend.py b/lib/matplotlib/tests/test_legend.py
+index cebf26ea0..d7a5c3a88 100644
+--- a/lib/matplotlib/tests/test_legend.py
++++ b/lib/matplotlib/tests/test_legend.py
+@@ -100,7 +100,7 @@ def test_multiple_keys():
+ 
+ 
+ @image_comparison(['rgba_alpha.png'], remove_text=True,
+-                  tol=0 if platform.machine() == 'x86_64' else 0.01)
++                  tol=0.02)
+ def test_alpha_rgba():
+     fig, ax = plt.subplots()
+     ax.plot(range(10), lw=5)
+@@ -109,7 +109,7 @@ def test_alpha_rgba():
+ 
+ 
+ @image_comparison(['rcparam_alpha.png'], remove_text=True,
+-                  tol=0 if platform.machine() == 'x86_64' else 0.01)
++                  tol=0.02)
+ def test_alpha_rcparam():
+     fig, ax = plt.subplots()
+     ax.plot(range(10), lw=5)
+@@ -135,7 +135,7 @@ def test_fancy():
+ 
+ 
+ @image_comparison(['framealpha'], remove_text=True,
+-                  tol=0 if platform.machine() == 'x86_64' else 0.02)
++                  tol=0.02)
+ def test_framealpha():
+     x = np.linspace(1, 100, 100)
+     y = x
+diff --git a/lib/matplotlib/tests/test_units.py b/lib/matplotlib/tests/test_units.py
+index 3f40a99a2..059a9f9a5 100644
+--- a/lib/matplotlib/tests/test_units.py
++++ b/lib/matplotlib/tests/test_units.py
+@@ -75,7 +75,7 @@ def quantity_converter():
+ # Tests that the conversion machinery works properly for classes that
+ # work as a facade over numpy arrays (like pint)
+ @image_comparison(['plot_pint.png'], remove_text=False, style='mpl20',
+-                  tol=0 if platform.machine() == 'x86_64' else 0.01)
++                  tol=0.002 if platform.machine() == 'x86_64' else 0.01)
+ def test_numpy_facade(quantity_converter):
+     # use former defaults to match existing baseline image
+     plt.rcParams['axes.formatter.limits'] = -7, 7
+@@ -102,7 +102,7 @@ def test_numpy_facade(quantity_converter):
+ 
+ # Tests gh-8908
+ @image_comparison(['plot_masked_units.png'], remove_text=True, style='mpl20',
+-                  tol=0 if platform.machine() == 'x86_64' else 0.01)
++                  tol=0.02)
+ def test_plot_masked_units():
+     data = np.linspace(-5, 5)
+     data_masked = np.ma.array(data, mask=(data > -2) & (data < 2))
+diff --git a/lib/matplotlib/tests/test_usetex.py b/lib/matplotlib/tests/test_usetex.py
+index 2d79e155e..cc46fe00c 100644
+--- a/lib/matplotlib/tests/test_usetex.py
++++ b/lib/matplotlib/tests/test_usetex.py
+@@ -14,7 +14,8 @@ if not mpl.checkdep_usetex(True):
+ @image_comparison(
+     baseline_images=['test_usetex'],
+     extensions=['pdf', 'png'],
+-    style="mpl20")
++    style="mpl20",
++    tol=21)
+ def test_usetex():
+     mpl.rcParams['text.usetex'] = True
+     fig, ax = plt.subplots()
+diff --git a/lib/mpl_toolkits/tests/test_axes_grid1.py b/lib/mpl_toolkits/tests/test_axes_grid1.py
+index 0e1602e81..6a54b0d43 100644
+--- a/lib/mpl_toolkits/tests/test_axes_grid1.py
++++ b/lib/mpl_toolkits/tests/test_axes_grid1.py
+@@ -323,7 +323,7 @@ def test_zooming_with_inverted_axes():
+ 
+ 
+ @image_comparison(['anchored_direction_arrows.png'],
+-                  tol=0 if platform.machine() == 'x86_64' else 0.01)
++                  tol=0.02)
+ def test_anchored_direction_arrows():
+     fig, ax = plt.subplots()
+     ax.imshow(np.zeros((10, 10)), interpolation='nearest')
+diff --git a/lib/mpl_toolkits/tests/test_axisartist_grid_helper_curvelinear.py b/lib/mpl_toolkits/tests/test_axisartist_grid_helper_curvelinear.py
+index 9a78a2676..09300adac 100644
+--- a/lib/mpl_toolkits/tests/test_axisartist_grid_helper_curvelinear.py
++++ b/lib/mpl_toolkits/tests/test_axisartist_grid_helper_curvelinear.py
+@@ -17,7 +17,7 @@ from mpl_toolkits.axisartist.grid_helper_curvelinear import \
+ 
+ 
+ @image_comparison(['custom_transform.png'], style='default',
+-                  tol=0.03 if platform.machine() == 'x86_64' else 0.04)
++                  tol=0.039)
+ def test_custom_transform():
+     class MyTransform(Transform):
+         input_dims = output_dims = 2
+diff --git a/lib/mpl_toolkits/tests/test_mplot3d.py b/lib/mpl_toolkits/tests/test_mplot3d.py
+index f55edaa4a..60687be5b 100644
+--- a/lib/mpl_toolkits/tests/test_mplot3d.py
++++ b/lib/mpl_toolkits/tests/test_mplot3d.py
+@@ -1269,7 +1269,7 @@ def test_errorbar3d():
+ 
+ 
+ @image_comparison(['stem3d.png'], style='mpl20',
+-                  tol=0.0 if platform.machine() == 'x86_64' else 0.003)
++                  tol=0.003)
+ def test_stem3d():
+     fig, axs = plt.subplots(2, 3, figsize=(8, 6),
+                             constrained_layout=True,
+-- 
+2.31.0
+
diff --git a/dev-python/matplotlib/matplotlib-3.4.0.ebuild b/dev-python/matplotlib/matplotlib-3.4.0.ebuild
new file mode 100644
index 000000000000..70fc4ea111bf
--- /dev/null
+++ b/dev-python/matplotlib/matplotlib-3.4.0.ebuild
@@ -0,0 +1,280 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{7..9} )
+PYTHON_REQ_USE='tk?,threads(+)'
+
+inherit distutils-r1 flag-o-matic virtualx toolchain-funcs prefix
+
+FT_PV=2.6.1
+DESCRIPTION="Pure python plotting library with matlab like syntax"
+HOMEPAGE="https://matplotlib.org/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz
+	test? (
+		https://downloads.sourceforge.net/project/freetype/freetype2/${FT_PV}/freetype-${FT_PV}.tar.gz
+	)"
+
+# Main license: matplotlib
+# Some modules: BSD
+# matplotlib/backends/qt4_editor: MIT
+# Fonts: BitstreamVera, OFL-1.1
+LICENSE="BitstreamVera BSD matplotlib MIT OFL-1.1"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
+IUSE="cairo doc excel examples gtk3 latex qt5 tk webagg wxwidgets"
+
+# internal copy of pycxx highly patched
+#	dev-python/pycxx
+RDEPEND="
+	dev-python/certifi[${PYTHON_USEDEP}]
+	>=dev-python/cycler-0.10.0-r1[${PYTHON_USEDEP}]
+	>=dev-python/kiwisolver-1.2.0[${PYTHON_USEDEP}]
+	>=dev-python/numpy-1.18.2[${PYTHON_USEDEP}]
+	>=dev-python/pillow-7.1.1[jpeg,${PYTHON_USEDEP}]
+	>=dev-python/pyparsing-2.2.1[${PYTHON_USEDEP}]
+	>=dev-python/python-dateutil-2.7[${PYTHON_USEDEP}]
+	>=dev-python/pytz-2019.3[${PYTHON_USEDEP}]
+	>=dev-python/six-1.14.0[${PYTHON_USEDEP}]
+	dev-python/versioneer[${PYTHON_USEDEP}]
+	media-fonts/dejavu
+	media-fonts/stix-fonts
+	media-libs/freetype:2
+	media-libs/libpng:0
+	>=media-libs/qhull-2013:=
+	cairo? (
+		dev-python/cairocffi[${PYTHON_USEDEP}]
+	)
+	excel? (
+		dev-python/xlwt[${PYTHON_USEDEP}]
+	)
+	gtk3? (
+		dev-python/pygobject:3[cairo?,${PYTHON_USEDEP}]
+		x11-libs/gtk+:3[introspection]
+	)
+	latex? (
+		virtual/latex-base
+		app-text/dvipng
+		app-text/ghostscript-gpl
+		app-text/poppler[utils]
+		dev-texlive/texlive-fontsrecommended
+		dev-texlive/texlive-latexextra
+		dev-texlive/texlive-xetex
+	)
+	qt5? (
+		dev-python/PyQt5[gui,widgets,${PYTHON_USEDEP}]
+	)
+	webagg? (
+		>=www-servers/tornado-6.0.4[${PYTHON_USEDEP}]
+	)
+	wxwidgets? (
+		$(python_gen_cond_dep '
+			dev-python/wxpython:*[${PYTHON_USEDEP}]
+		' python3_{6,7,8})
+	)
+"
+
+BDEPEND="
+	${RDEPEND}
+	virtual/pkgconfig
+	doc? (
+		>=app-text/dvipng-1.15-r1
+		>=dev-python/colorspacious-1.1.2[${PYTHON_USEDEP}]
+		>=dev-python/ipython-1.18.2[${PYTHON_USEDEP}]
+		>=dev-python/numpydoc-0.9.2[${PYTHON_USEDEP}]
+		>=dev-python/scipy-1.4.1[${PYTHON_USEDEP}]
+		>=dev-python/sphinx-1.3.1[${PYTHON_USEDEP}]
+		>=dev-python/sphinx-gallery-0.3.1-r1[${PYTHON_USEDEP}]
+		>=dev-python/xlwt-1.3.0-r1[${PYTHON_USEDEP}]
+		dev-texlive/texlive-latexextra
+		dev-texlive/texlive-fontsrecommended
+		dev-texlive/texlive-latexrecommended
+		>=media-gfx/graphviz-2.42.3[cairo]
+	)
+	test? (
+		dev-python/flaky[${PYTHON_USEDEP}]
+		dev-python/mock[${PYTHON_USEDEP}]
+		dev-python/pygobject:3[cairo?,${PYTHON_USEDEP}]
+		>=www-servers/tornado-6.0.4[${PYTHON_USEDEP}]
+		x11-libs/gtk+:3[introspection]
+	)
+"
+
+# A few C++ source files are written to srcdir.
+# Other than that, the ebuild shall be fit for out-of-source build.
+DISTUTILS_IN_SOURCE_BUILD=1
+
+distutils_enable_tests pytest
+
+pkg_setup() {
+	unset DISPLAY # bug #278524
+}
+
+use_supported() {
+	case ${1} in
+		wxwidgets)
+			[[ ${EPYTHON} == python3.[678] ]]
+			;;
+	esac
+
+	return 0
+}
+
+use_setup() {
+	local uword="${2:-${1}}"
+	if use_supported "${1}" && use "${1}"; then
+		echo "${uword} = True"
+		echo "${uword}agg = True"
+	else
+		echo "${uword} = False"
+		echo "${uword}agg = False"
+	fi
+}
+
+python_prepare_all() {
+# Generates test failures, but fedora does it
+#	local PATCHES=(
+#		"${FILESDIR}"/${P}-unbundle-pycxx.patch
+#		"${FILESDIR}"/${P}-unbundle-agg.patch
+#	)
+#	rm -r agg24 CXX || die
+#	rm -r agg24 || die
+
+#	cat > lib/${PN}/externals/six.py <<-EOF
+#	from __future__ import absolute_import
+#	from six import *
+#	EOF
+
+	local PATCHES=(
+		"${FILESDIR}"/matplotlib-3.4.0-test.patch
+		"${FILESDIR}"/matplotlib-3.3.3-disable-lto.patch
+	)
+
+	# requires jupyter-nbconvert
+	rm lib/matplotlib/tests/test_backend_nbagg.py || die
+
+	sed \
+		-e 's/matplotlib.pyparsing_py[23]/pyparsing/g' \
+		-i lib/matplotlib/{mathtext,fontconfig_pattern}.py \
+		|| die "sed pyparsing failed"
+
+	sed -e 's:\(@pytest.mark.flaky\)(reruns=3):\1:' \
+		-i lib/matplotlib/tests/test_*.py || die
+
+	hprefixify setupext.py
+
+	rm -rf libqhull || die
+
+	export XDG_RUNTIME_DIR="${T}/runtime-dir"
+	mkdir "${XDG_RUNTIME_DIR}" || die
+	chmod 0700 "${XDG_RUNTIME_DIR}" || die
+
+	distutils-r1_python_prepare_all
+}
+
+python_configure_all() {
+	append-flags -fno-strict-aliasing
+	append-cppflags -DNDEBUG  # or get old trying to do triangulation
+	tc-export PKG_CONFIG
+}
+
+python_configure() {
+	mkdir -p "${BUILD_DIR}" || die
+
+	# create setup.cfg (see setup.cfg.template for any changes).
+
+	# common switches.
+	cat > "${BUILD_DIR}"/setup.cfg <<- EOF || die
+		[directories]
+		basedirlist = ${EPREFIX}/usr
+		[provide_packages]
+		pytz = False
+		dateutil = False
+		[libs]
+		system_freetype = True
+		system_qhull = True
+		[packages]
+		tests = $(usex test True False)
+		[gui_support]
+		agg = True
+		gtk = False
+		gtkagg = False
+		macosx = False
+		pyside = False
+		pysideagg = False
+		qt4 = False
+		qt4agg = False
+		$(use_setup cairo)
+		$(use_setup gtk3)
+		$(use_setup qt5)
+		$(use_setup tk)
+		$(use_setup wxwidgets wx)
+	EOF
+
+	if use gtk3 && use cairo; then
+		echo "gtk3cairo = True" >> "${BUILD_DIR}"/setup.cfg || die
+	else
+		echo "gtk3cairo = False" >> "${BUILD_DIR}"/setup.cfg || die
+	fi
+}
+
+wrap_setup() {
+	local MAKEOPTS=-j1
+	local -x MPLSETUPCFG="${BUILD_DIR}"/setup.cfg
+	"$@"
+}
+
+python_compile() {
+	wrap_setup distutils-r1_python_compile --build-lib="${BUILD_DIR}"/lib
+}
+
+python_compile_all() {
+	if use doc; then
+		cd doc || die
+
+		# necessary for in-source build
+		local -x PYTHONPATH="${BUILD_DIR}"/build/lib:${PYTHONPATH}
+
+		VARTEXFONTS="${T}"/fonts \
+		emake SPHINXOPTS= O=-Dplot_formats=png:100 html
+	fi
+}
+
+src_test() {
+	virtx distutils-r1_src_test
+}
+
+python_test() {
+	# we need to rebuild mpl against bundled freetype, otherwise
+	# over 1000 tests will fail because of mismatched font rendering
+	grep -v system_freetype "${BUILD_DIR}"/setup.cfg \
+		> "${BUILD_DIR}"/test-setup.cfg || die
+	local -x MPLSETUPCFG="${BUILD_DIR}"/test-setup.cfg
+	ln -s "${WORKDIR}/freetype-${FT_PV}" "${BUILD_DIR}" || die
+	distutils-r1_python_compile -j1 --build-lib="${BUILD_DIR}"/test-lib
+	local -x PYTHONPATH=${BUILD_DIR}/test-lib:${PYTHONPATH}
+
+	"${EPYTHON}" -c "import sys, matplotlib as m; sys.exit(m.test(argv=['-m', 'not network'], verbosity=2))" || die
+}
+
+python_install() {
+	wrap_setup distutils-r1_python_install
+
+	# mpl_toolkits namespace
+	python_moduleinto mpl_toolkits
+	python_domodule lib/mpl_toolkits/__init__.py
+}
+
+python_install_all() {
+	use doc && local HTML_DOCS=( doc/build/html/. )
+
+	distutils-r1_python_install_all
+
+	if use examples; then
+		dodoc -r examples
+		docompress -x /usr/share/doc/${PF}/examples
+	fi
+
+	find "${D}" -name '*.pth' -delete || die
+}