From 404157ecdc62f867b5e76bfa77d74622dc313235 Mon Sep 17 00:00:00 2001
From: "Benjamin A. Beasley" <code@musicinmybrain.net>
Date: Sat, 25 Jun 2022 10:31:42 -0400
Subject: [PATCH] Package Sphinx-generated PDF in a -doc subpackage

---
 python-chardet.spec | 46 +++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 42 insertions(+), 4 deletions(-)

diff --git a/python-chardet.spec b/python-chardet.spec
index b584975..4954a5b 100644
--- a/python-chardet.spec
+++ b/python-chardet.spec
@@ -1,3 +1,12 @@
+# Circular dependency on pytest
+%bcond_without tests
+
+# Sphinx-generated HTML documentation is not suitable for packaging; see
+# https://bugzilla.redhat.com/show_bug.cgi?id=2006555 for discussion.
+#
+# We can generate PDF documentation as a substitute.
+%bcond_without doc_pdf
+
 Name:           python-chardet
 Version:        4.0.0
 Release:        %autorelease
@@ -22,12 +31,20 @@ BuildArch:      noarch
 
 BuildRequires:  python3-devel
 
-# Circular dependency on pytest
-%bcond_without tests
 %if %{with tests}
 BuildRequires:  python3-pytest
 %endif
 
+%if %{with doc_pdf}
+BuildRequires:  make
+BuildRequires:  python3dist(sphinx)
+BuildRequires:  python3dist(sphinx-rtd-theme)
+BuildRequires:  python3-sphinx-latex
+BuildRequires:  latexmk
+BuildRequires:  tex-xetex-bin
+BuildRequires:  /usr/bin/xindy
+%endif
+
 %global common_description %{expand:
 Chardet: The Universal Character Encoding Detector
 
@@ -59,6 +76,13 @@ Summary:        %{summary}
 %{common_description}
 
 
+%package        doc
+Summary:        Documentation for python-chardet
+
+%description    doc
+%{common_description}
+
+
 %prep
 %autosetup -p1 -n chardet-%{version}
 
@@ -66,6 +90,9 @@ Summary:        %{summary}
 # https://github.com/chardet/chardet/commit/1e94b33329
 grep -lr "^#\!/usr/bin/env python" chardet/ | xargs sed -i "1d"
 
+# Since pdflatex cannot handle Unicode inputs in general:
+echo "latex_engine = 'xelatex'" >> docs/conf.py
+
 
 %generate_buildrequires
 %pyproject_buildrequires
@@ -74,6 +101,11 @@ grep -lr "^#\!/usr/bin/env python" chardet/ | xargs sed -i "1d"
 %build
 %pyproject_wheel
 
+%if %{with doc_pdf}
+PYTHONPATH="${PWD}" %make_build -C docs latex SPHINXOPTS='%{?_smp_mflags}'
+%make_build -C docs/_build/latex LATEXMKOPTS='-quiet'
+%endif
+
 
 %install
 %pyproject_install
@@ -88,11 +120,17 @@ install -t '%{buildroot}%{_mandir}/man1' -D -p -m 0644 '%{SOURCE1}'
 
 
 %files -n python3-chardet -f %{pyproject_files}
-%license LICENSE
-%doc README.rst
 %{_bindir}/chardetect
 %{_mandir}/man1/chardetect.1*
 
 
+%files doc
+%license LICENSE
+%doc README.rst
+%if %{with doc_pdf}
+%doc docs/_build/latex/chardet.pdf
+%endif
+
+
 %changelog
 %autochangelog