dev-python/rdflib: Add python3_7 to PYTHON_COMPAT

Package-Manager: Portage-2.3.62, Repoman-2.3.12
Signed-off-by: David Seifert <soap@gentoo.org>

2 files changed, 171 insertions, 0 deletions

diff --git a/dev-python/rdflib/files/rdflib-4.2.2-python3.7-StopIteration.patch b/dev-python/rdflib/files/rdflib-4.2.2-python3.7-StopIteration.patch
new file mode 100644
index 000000000000..389d220dc1b7
--- /dev/null
+++ b/dev-python/rdflib/files/rdflib-4.2.2-python3.7-StopIteration.patch
@@ -0,0 +1,72 @@
+Traceback (most recent call last):
+  File "/var/tmp/portage/dev-python/rdflib-4.2.2/work/rdflib-4.2.2-python3_7/build/src/rdflib/plugins/sparql/evaluate.py", line 330, in evalSlice
+    next(res)
+StopIteration
+
+The above exception was the direct cause of the following exception:
+
+Traceback (most recent call last):
+  File "/usr/lib/python3.7/site-packages/nose/case.py", line 197, in runTest
+    self.test(*self.arg)
+  File "/var/tmp/portage/dev-python/rdflib-4.2.2/work/rdflib-4.2.2-python3_7/build/src/test/test_dawg.py", line 434, in query_test
+    set(res2)
+  File "/var/tmp/portage/dev-python/rdflib-4.2.2/work/rdflib-4.2.2-python3_7/build/src/rdflib/query.py", line 258, in __iter__
+    for b in self._genbindings:
+RuntimeError: generator raised StopIteration
+
+Patch backported from
+https://github.com/RDFLib/rdflib/commit/58c45d6f30af88a22f60edcb9a459648a885e226
+
+--- a/rdflib/plugins/sparql/evaluate.py
++++ b/rdflib/plugins/sparql/evaluate.py
+@@ -15,6 +15,7 @@
+ """
+ 
+ import collections
++import itertools
+ 
+ from rdflib import Variable, Graph, BNode, URIRef, Literal
+ 
+@@ -323,22 +324,9 @@
+ 
+ 
+ def evalSlice(ctx, slice):
+-    # import pdb; pdb.set_trace()
+     res = evalPart(ctx, slice.p)
+-    i = 0
+-    while i < slice.start:
+-        res.next()
+-        i += 1
+-    i = 0
+-    for x in res:
+-        i += 1
+-        if slice.length is None:
+-            yield x
+-        else:
+-            if i <= slice.length:
+-                yield x
+-            else:
+-                break
++
++    return itertools.islice(res, slice.start, slice.start+slice.length if slice.length is not None else None)
+ 
+ 
+ def evalReduced(ctx, part):
+--- a/rdflib/query.py
++++ b/rdflib/query.py
+@@ -1,5 +1,6 @@
+ 
+ import os
++import itertools
+ import shutil
+ import tempfile
+ import warnings
+@@ -181,7 +182,7 @@
+         return self._bindings
+ 
+     def _set_bindings(self, b):
+-        if isinstance(b, types.GeneratorType):
++        if isinstance(b, (types.GeneratorType, itertools.islice)):
+             self._genbindings = b
+             self._bindings = []
+         else:
diff --git a/dev-python/rdflib/rdflib-4.2.2-r1.ebuild b/dev-python/rdflib/rdflib-4.2.2-r1.ebuild
new file mode 100644
index 000000000000..2181a2dec6c6
--- /dev/null
+++ b/dev-python/rdflib/rdflib-4.2.2-r1.ebuild
@@ -0,0 +1,99 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
+PYTHON_REQ_USE="sqlite?,threads(+)"
+
+# The usual required for tests
+DISTUTILS_IN_SOURCE_BUILD=1
+
+inherit distutils-r1
+
+DESCRIPTION="RDF library containing a triple store and parser/serializer"
+HOMEPAGE="https://github.com/RDFLib/rdflib https://pypi.org/project/rdflib/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc berkdb examples mysql redland sqlite test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-python/isodate[${PYTHON_USEDEP}]
+	dev-python/html5lib[${PYTHON_USEDEP}]
+	dev-python/pyparsing[${PYTHON_USEDEP}]
+	berkdb? ( dev-python/bsddb3[${PYTHON_USEDEP}] )
+	mysql? ( dev-python/mysql-python[$(python_gen_usedep 'python2*')] )
+	redland? ( dev-libs/redland-bindings[python,$(python_gen_usedep 'python2*')] )"
+DEPEND="${RDEPEND}
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	doc? ( dev-python/sphinx[${PYTHON_USEDEP}] )
+	test? (
+		dev-python/sparql-wrapper[${PYTHON_USEDEP}]
+		>=dev-python/nose-1.3.1-r1[${PYTHON_USEDEP}]
+	)"
+
+PATCHES=(
+	# Python 3.7 StopIteration bug
+	"${FILESDIR}"/${PN}-4.2.2-python3.7-StopIteration.patch
+)
+
+python_prepare_all() {
+	# Upstream manufactured .pyc files which promptly break distutils' src_test
+	find -name "*.py[oc~]" -delete || die
+
+	# Bug 358189; take out tests that attempt to connect to the network
+	sed -e "/'--with-doctest',/d" -e "/'--doctest-extension=.doctest',/d" \
+		-e "/'--doctest-tests',/d" -i run_tests.py || die
+
+	sed -e "s: 'sphinx.ext.intersphinx',::" -i docs/conf.py || die
+
+	# doc build requires examples folder at the upper level of docs
+	if use doc; then
+		cd docs || die
+		ln -sf ../examples . || die
+		cd ../ || die
+	fi
+
+	distutils-r1_python_prepare_all
+}
+
+python_compile_all() {
+	# https://github.com/RDFLib/rdflib/issues/510
+	if use doc; then
+		einfo ""
+		einfo "Several warnings and Errors present in the build"
+		einfo "For a complete build, it is required to install"
+		einfo "github.com/gjhiggins/n3_pygments_lexer and"
+		einfo "github.com/gjhiggins/sparql_pygments_lexer"
+		einfo "outside portage via pip or by cloning. These have not been"
+		einfo "given a tagged release by the author and are not in portage"
+		einfo ""
+
+		emake -C docs html
+		HTML_DOCS=( docs/_build/html/. )
+	fi
+}
+
+python_test() {
+	# the default; nose with: --where=./ does not work for python3
+	if python_is_python3; then
+		pushd "${BUILD_DIR}/src/" >/dev/null || die
+		"${EPYTHON}" ./run_tests.py || die "Tests failed under ${EPYTHON}"
+		popd >/dev/null || die
+	else
+		"${EPYTHON}" ./run_tests.py || die "Tests failed under ${EPYTHON}"
+	fi
+}
+
+python_install_all() {
+	distutils-r1_python_install_all
+
+	if use examples; then
+		dodoc -r examples
+		docompress -x /usr/share/doc/${PF}/examples
+	fi
+}