dev-python/flask-sqlalchemy: fix dependencies, add PyPy3+Py3.8

* Move doc dependencies out of RDEPEND.
* Use helpers for doc and tests. 'pytest' without 'die' was useless.
* Rely on the default value of DISTUTILS_USE_SETUPTOOLS=bdepend.
* Remove useless DISTUTILS_IN_SOURCE_BUILD=1.

Bug: https://bugs.gentoo.org/701916
Package-Manager: Portage-2.3.81, Repoman-2.3.20
Signed-off-by: Louis Sautier <sbraz@gentoo.org>

dev-python/flask-sqlalchemy/flask-sqlalchemy-2.4.1-r1.ebuild

@@ -0,0 +1,29 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( pypy{,3} python{2_7,3_{5,6,7,8}} )
+
+inherit distutils-r1
+
+MY_PN="Flask-SQLAlchemy"
+MY_P="${MY_PN}-${PV}"
+
+DESCRIPTION="SQLAlchemy support for Flask applications"
+HOMEPAGE="https://pypi.org/project/Flask-SQLAlchemy/"
+SRC_URI="mirror://pypi/${MY_PN:0:1}/${MY_PN}/${MY_P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+RDEPEND="
+	>=dev-python/flask-0.10[${PYTHON_USEDEP}]
+	>=dev-python/sqlalchemy-0.8.0[${PYTHON_USEDEP}]
+"
+distutils_enable_tests pytest
+distutils_enable_sphinx docs dev-python/pallets-sphinx-themes \
+	dev-python/sphinx-issues
+
+S="${WORKDIR}/${MY_P}"