From e91a6db242cfb6df476c2fbee529734b333c1f72 Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Jul 20 2018 20:06:17 +0000
Subject: User versioned python and spec file modernization


- drop obsolete Group tags
- use python macros
- add missing %python_provide call for the python3 subpackage
- use Recommends instead of a line in %description for matplotlib

The build still fails because of PEP-479 incompatibility.

---

diff --git a/python-mpmath.spec b/python-mpmath.spec
index 502a00e..9f94b31 100644
--- a/python-mpmath.spec
+++ b/python-mpmath.spec
@@ -8,7 +8,6 @@ Name:           python-mpmath
 Version:        1.0.0
 Release:        3%{?dist}
 Summary:        A pure Python library for multiprecision floating-point arithmetic
-Group:          Applications/Engineering
 License:        BSD
 URL:            http://mpmath.org
 # Source code
@@ -37,15 +36,13 @@ differentiation, root-finding, linear algebra, and much more. Almost any\
 calculation can be performed just as well at 10-digit or 1000-digit precision,\
 and in many cases mpmath implements asymptotically fast algorithms that scale\
 well for extremely high precision work. If available, mpmath will (optionally)\
-use gmpy to speed up high precision operations.\
-\
-If you require plotting capabilities in mpmath, install python-matplotlib.\
-
+use gmpy to speed up high precision operations.
 
 %description %_description
 
 %package -n python2-mpmath
 Summary: %summary
+Recommends: python2-matplotlib
 %{?python_provide:%python_provide python2-mpmath}
 
 %description -n python2-mpmath %_description
@@ -53,6 +50,8 @@ Summary: %summary
 %if 0%{?with_python3}
 %package -n python3-mpmath
 Summary:        A pure Python library for multiprecision floating-point arithmetic
+Recommends: python3-matplotlib
+%{?python_provide:%python_provide python3-mpmath}
 
 %description -n python3-mpmath
 Mpmath is a pure-Python library for multiprecision floating-point arithmetic.
@@ -70,7 +69,6 @@ If you require plotting capabilities in mpmath, install python3-matplotlib.
 
 %package doc
 Summary:        HTML documentation for %{name}
-Group:          Documentation
 Requires:       python2-mpmath = %{version}-%{release}
 
 %description doc
@@ -100,24 +98,24 @@ for lib in $shebangs; do
 done
 
 %build
-python setup.py build
+%py2_build
 # Build documentation
 cd doc
-python build.py
+%{__python2} build.py
 
 %install
-python setup.py install --skip-build --root %{buildroot}
+%py2_install
 # Get rid of python 3 version that fails to byte-compile
 %if 0%{?with_python3}
-python3 setup.py install --skip-build --root %{buildroot}
+%py3_install
 %endif # with _python3
 
 %check
 export PYTHONPATH=`pwd`/build/lib
 cd build/lib/mpmath/tests/
-python runtests.py
+%{__python2} runtests.py
 %if 0%{?with_python3}
-python3 runtests.py
+%{__python3} runtests.py
 %endif # with _python3
 
 %files -n python2-mpmath