dev-python/sympy: upstream bug fix

https://github.com/skirpichev/omg/pull/137

Package-Manager: portage-2.2.26

dev-python/sympy/files/sympy-0.7.6.1-zeta.patch

@@ -0,0 +1,32 @@
+diff -r -U1 sympy-0.7.6.1.orig/sympy/functions/special/zeta_functions.py sympy-0.7.6.1/sympy/functions/special/zeta_functions.py
+--- sympy-0.7.6.1.orig/sympy/functions/special/zeta_functions.py	2015-09-04 02:34:00.000000000 +0600
++++ sympy-0.7.6.1/sympy/functions/special/zeta_functions.py	2015-12-01 11:27:24.000000000 +0600
+@@ -243,3 +243,3 @@
+     >>> polylog(s, -1)
+-    dirichlet_eta(s)
++    -dirichlet_eta(s)
+ 
+@@ -270,2 +270,3 @@
+     def eval(cls, s, z):
++        from sympy import unpolarify
+         if z == 1:
+@@ -273,6 +274,12 @@
+         elif z == -1:
+-            return dirichlet_eta(s)
++            return -dirichlet_eta(s)
+         elif z == 0:
+-            return 0
++            return S.Zero
+ 
++        # branch handling
++        if (1 - abs(z)).is_nonnegative:
++            newz = unpolarify(z)
++            if newz != z:
++                return cls(s, newz)
++ 
+     def fdiff(self, argindex=1):
+@@ -479,3 +486,3 @@
+ 
+-    .. math:: \eta(s) = \sum_{n=1}^\infty \frac{(-1)^n}{n^s}.
++    .. math:: \eta(s) = \sum_{n=1}^\infty \frac{(-1)^{n-1}}{n^s}.
+ 

dev-python/sympy/sympy-0.7.6.1-r1.ebuild

@@ -0,0 +1,91 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+PYTHON_COMPAT=( python{2_7,3_3,3_4} )
+
+inherit distutils-r1 eutils virtualx
+
+DESCRIPTION="Computer Algebra System in pure Python"
+HOMEPAGE="http://sympy.org"
+SRC_URI="https://github.com/${PN}/${PN}/releases/download/${P}/${P}.tar.gz"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~x64-macos"
+IUSE="doc examples gtk imaging ipython latex mathml opengl pdf png pyglet test texmacs theano"
+
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+	doc? ( python_targets_python2_7 )"
+
+RDEPEND="
+	$(python_gen_cond_dep '>=dev-python/pexpect-2.0[${PYTHON_USEDEP}]' python2_7)
+	imaging? ( dev-python/pillow[${PYTHON_USEDEP}] )
+	ipython? ( dev-python/ipython[${PYTHON_USEDEP}] )
+	latex? (
+		virtual/latex-base
+		dev-texlive/texlive-fontsextra
+		png? ( app-text/dvipng )
+		pdf? ( app-text/ghostscript-gpl )
+	)
+	mathml? (
+		dev-libs/libxml2:2[${PYTHON_USEDEP}]
+		$(python_gen_cond_dep 'dev-libs/libxslt[${PYTHON_USEDEP}]' python2_7)
+		gtk? ( x11-libs/gtkmathview[gtk] )
+	)
+	opengl? ( dev-python/pyopengl[${PYTHON_USEDEP}] )
+	pyglet? ( $(python_gen_cond_dep 'dev-python/pyglet[${PYTHON_USEDEP}]' python2_7) )
+	texmacs? ( app-office/texmacs )
+	theano? ( $(python_gen_cond_dep 'dev-python/theano[${PYTHON_USEDEP}]' python2_7) )
+"
+
+DEPEND="${RDEPEND}
+	doc? ( dev-python/sphinx[${PYTHON_USEDEP}] )
+	test? ( ${RDEPEND} dev-python/pytest[${PYTHON_USEDEP}] )"
+
+python_prepare_all() {
+	epatch "${FILESDIR}"/${PN}-0.7.6-doc-makefile.patch
+	epatch "${FILESDIR}"/${P}-sphinx-1.3.1.patch
+	epatch "${FILESDIR}"/${P}-zeta.patch
+	distutils-r1_python_prepare_all
+}
+
+python_compile() {
+	PYTHONPATH="." distutils-r1_python_compile
+}
+
+python_compile_all() {
+	if use doc; then
+		export XDG_CONFIG_HOME="${T}/config-dir"
+		mkdir "${XDG_CONFIG_HOME}" || die
+		chmod 0700 "${XDG_CONFIG_HOME}" || die
+		emake -j1 -C doc html info cheatsheet
+	fi
+}
+
+python_test() {
+	 VIRTUALX_COMMAND="./setup.py" virtualmake test
+}
+
+python_install() {
+	PYTHONPATH="." distutils-r1_python_install
+}
+
+python_install_all() {
+	local DOCS=( AUTHORS README.rst )
+	use doc &&\
+		DOCS=( ${DOCS[*]} doc/_build/cheatsheet/cheatsheet.pdf doc/_build/cheatsheet/combinatoric_cheatsheet.pdf ) &&\
+		local HTML_DOCS=( doc/_build/html/. ) &&\
+		doinfo doc/_build/texinfo/${PN}.info
+	use examples && local EXAMPLES=( examples/. )
+	distutils-r1_python_install_all
+
+	if use texmacs; then
+		exeinto /usr/libexec/TeXmacs/bin/
+		doexe data/TeXmacs/bin/tm_sympy
+		insinto /usr/share/TeXmacs/plugins/sympy/
+		doins -r data/TeXmacs/progs
+	fi
+}