# ======================
# Production build conditionals
# ======================

# Bootstrap OFF - this is the production build
%bcond bootstrap 0

# Use bundled wheels (no rpmwheels on AL2023)
%bcond rpmwheels 0

# PGO optimizations - ENABLED for production
%bcond optimizations 1

# Run tests - disabled for now (enable in future)
%bcond tests 0

# ==================
# Top-level metadata
# ==================

%global _trivial .0
%global _buildid .1

%global pybasever 3.15
%global pyshortver 315

# This is NOT the main Python - it's a namespaced alternative
%bcond main_python 0

# Use gcc14 toolchain
%global toolchain gcc14

# _buildid to track bootstrap vs production builds

Name: python%{pybasever}
Summary: Version %{pybasever} of the Python interpreter
URL: https://www.python.org/

%global general_version %{pybasever}.0
%global prerel b3
%global upstream_version %{general_version}%{?prerel}
Version: %{general_version}%{?prerel:~%{prerel}}
Release: 1%{?dist}%{?_trivial}%{?_buildid}
License: Python-2.0.1

# PYC magic number from Include/internal/pycore_magic_number.h
%global magic_number 3666

# No debug build for production (keep it simple)
%bcond debug_build 0

# No freethreading build for production (keep simple for now)
%bcond freethreading_build 0

# JIT disabled for now - clang20 has issues building stencils for 3.15b3
# Can be re-enabled with prebuilt stencils or clang21
%bcond jit 0

# Main interpreter loop optimization
%bcond computed_gotos 1

# =====================
# General global macros
# =====================

%global pkgname python%{pybasever}
%global exename python%{pybasever}
%global python3_pkgversion %{pybasever}

# Bundled wheel versions
%global pip_version 26.1.2
%global setuptools_version 79.0.1

%global pip_bundled_provides %{expand:
Provides: bundled(python3dist(pip)) = %{pip_version}
Provides: bundled(python3dist(cachecontrol)) = 0.14.4
Provides: bundled(python3dist(certifi)) = 2026.2.25
Provides: bundled(python3dist(distlib)) = 0.4
Provides: bundled(python3dist(distro)) = 1.9
Provides: bundled(python3dist(idna)) = 3.11
Provides: bundled(python3dist(msgpack)) = 1.1.2
Provides: bundled(python3dist(packaging)) = 26.2
Provides: bundled(python3dist(platformdirs)) = 4.5.1
Provides: bundled(python3dist(pygments)) = 2.19.2
Provides: bundled(python3dist(pyproject-hooks)) = 1.2
Provides: bundled(python3dist(requests)) = 2.33.1
Provides: bundled(python3dist(resolvelib)) = 1.2.1
Provides: bundled(python3dist(rich)) = 14.2
Provides: bundled(python3dist(setuptools)) = 70.3
Provides: bundled(python3dist(tomli)) = 2.3.1
Provides: bundled(python3dist(tomli-w)) = 1.2
Provides: bundled(python3dist(truststore)) = 0.10.4
Provides: bundled(python3dist(urllib3)) = 2.6.3
}

%global setuptools_bundled_provides %{expand:
Provides: bundled(python3dist(setuptools)) = %{setuptools_version}
Provides: bundled(python3dist(wheel)) = 0.45.1
Provides: bundled(python3dist(packaging)) = 24.2
Provides: bundled(python3dist(more-itertools)) = 10.3
Provides: bundled(python3dist(tomli)) = 2.0.1
Provides: bundled(python3dist(typing-extensions)) = 4.12.2
}

# ABIFLAGS and LDVERSION
%global ABIFLAGS_optimized %{nil}
%global LDVERSION_optimized %{pybasever}%{ABIFLAGS_optimized}

%global pylibdir %{_libdir}/python%{pybasever}
%global dynload_dir %{pylibdir}/lib-dynload

# Arch triplet
%global platform_triplet %{expand:%(echo %{_arch}-linux%{_gnu} | sed -E \\
    -e 's/^arm(eb)?-linux-gnueabi$/arm\\1-linux-gnueabihf/' \\
    -e 's/^mips64(el)?-linux-gnu$/mips64\\1-linux-gnuabi64/' \\
    -e 's/^ppc(64)?(le)?-linux-gnu$/powerpc\\1\\2-linux-gnu/')}

%global SOABI_optimized cpython-%{pyshortver}%{ABIFLAGS_optimized}-%{platform_triplet}

# libpython DSO version
%global py_SOVERSION 1.0
%global py_INSTSONAME_optimized libpython%{LDVERSION_optimized}.so.%{py_SOVERSION}

# Bytecode suffix
%global bytecode_suffixes .cpython-%{pyshortver}*.pyc

# Disable automatic bytecompilation
%undefine py_auto_byte_compile

# Exclude test archive data from shebang mangling (they have specific data offsets)
%global __brp_mangle_shebangs_exclude_from ^%{pylibdir}/test/archivetestdata/exe_with_.*$

# Filter auto-requires for /usr/bin/python3 and python(abi)
%global __requires_exclude ^(/usr/bin/python3|python\\(abi\\))

# =======================
# Build-time requirements
# =======================

BuildRequires: autoconf
BuildRequires: bluez-libs-devel
BuildRequires: bzip2-devel
BuildRequires: expat-devel
BuildRequires: findutils
BuildRequires: gcc14
BuildRequires: gcc14-c++
BuildRequires: gdbm-devel
BuildRequires: glibc-devel
BuildRequires: libffi-devel
BuildRequires: libuuid-devel
BuildRequires: libzstd-devel
BuildRequires: make
BuildRequires: mpdecimal-devel
BuildRequires: ncurses-devel
BuildRequires: openssl-devel
BuildRequires: pkgconfig
BuildRequires: python-rpm-macros
BuildRequires: readline-devel
BuildRequires: amazon-rpm-config
BuildRequires: sqlite-devel
BuildRequires: systemtap-sdt-devel
BuildRequires: tcl-devel
BuildRequires: tk-devel
BuildRequires: tar
BuildRequires: xz-devel
BuildRequires: zlib-devel

# Production-only BuildRequires (not needed for bootstrap)
# python3.15 itself for regen-all
BuildRequires: python%{pybasever}
# For proper automatic provides/requires generation
BuildRequires: python3-rpm-generators
# JIT compiler (clang20 from COPR/AL2023)
%if %{with jit}
BuildRequires: clang20
BuildRequires: llvm20
%endif

# =======================
# Source code and patches
# =======================

Source0: %{url}ftp/python/%{general_version}/Python-%{upstream_version}.tar.xz
Source8: check-pyc-timestamps.py

# 00251 - Change user install location (Fedora downstream)
Patch251: 00251-change-user-install-location.patch

# 00466 - Skip tests not working with older expat version
Patch466: 00466-downstream-only-skip-tests-not-working-with-older-expat-version.patch

# ==========================================
# Descriptions and metadata for subpackages
# ==========================================

Provides: python%{pyshortver} = %{version}-%{release}
Requires: %{pkgname}-libs%{?_isa} = %{version}-%{release}

%description
Python %{pybasever} interpreter - production build for AL2023.
This is a namespaced installation that does not conflict with
the system Python. Built with PGO optimizations and JIT support.

%package -n %{pkgname}-libs
Summary: Python %{pybasever} runtime libraries
%pip_bundled_provides
%setuptools_bundled_provides
Provides: bundled(mimalloc) = 2.12
License: Python-2.0.1 AND MIT AND BSD-3-Clause AND MIT-CMU AND HPND-SMC AND BSD-2-Clause AND dtoa AND Apache-2.0 AND ISC AND LGPL-2.1-only AND MPL-2.0 AND (Apache-2.0 OR BSD-2-Clause)
Recommends: %{pkgname}%{?_isa}

%description -n %{pkgname}-libs
This package contains runtime libraries for use by Python %{pybasever}.

%package -n %{pkgname}-devel
Summary: Libraries and header files needed for Python %{pybasever} development
License: Python-2.0.1 AND MIT
Requires: %{pkgname} = %{version}-%{release}
Requires: %{pkgname}-libs%{?_isa} = %{version}-%{release}

%description -n %{pkgname}-devel
This package contains the header files and configuration needed to compile
Python %{pybasever} extension modules.

%package -n %{pkgname}-idle
Summary: A basic graphical development environment for Python %{pybasever}
Requires: %{pkgname} = %{version}-%{release}
Requires: %{pkgname}-tkinter = %{version}-%{release}

%description -n %{pkgname}-idle
IDLE is Python's Integrated Development and Learning Environment.

%package -n %{pkgname}-tkinter
Summary: A GUI toolkit for Python %{pybasever}
Requires: %{pkgname} = %{version}-%{release}

%description -n %{pkgname}-tkinter
The Tkinter (Tk interface) library for Python %{pybasever}.

%package -n %{pkgname}-test
Summary: The self-test suite for Python %{pybasever}
Requires: %{pkgname} = %{version}-%{release}
Requires: %{pkgname}-libs%{?_isa} = %{version}-%{release}

%description -n %{pkgname}-test
The self-test suite for the Python %{pybasever} interpreter.

# ======================================================
# Prep
# ======================================================

%prep
%autosetup -n Python-%{upstream_version} -p1

# Remove bundled libraries to use system copies
rm -r Modules/expat
rm -r Modules/_decimal/libmpdec

# Remove files that should be generated by the build
rm -f configure pyconfig.h.in

# Patch out the version requirement on autoconf 2.72
# AL2023 has autoconf 2.69
sed -i "s/AC_PREREQ(\[2\.72\])/AC_PREREQ([2.69])/" configure.ac

# Fix ambiguous python shebang in rot_13.py
# brp-mangle-shebangs requires explicit python2 or python3
sed -i '1s|^#!/usr/bin/env python$|#!/usr/bin/python3|' Lib/encodings/rot_13.py

# ======================================================
# Build
# ======================================================

%build

# Tell configure to not use git
export HAS_GIT=not-found

# Regenerate configure script
autoconf
autoheader

# Remember the current directory
topdir=$(pwd)

# Use gcc14
export CC=gcc14-gcc
export CXX=gcc14-g++

%if %{with jit}
# JIT needs clang - make clang-20 available as 'clang'
mkdir -p _jit_bin
ln -sf /usr/bin/clang-20 _jit_bin/clang
ln -sf /usr/bin/clang++-20 _jit_bin/clang++
export PATH="$(pwd)/_jit_bin:$PATH"
export LLVM_VERSION=20
%endif

# Set compiler/linker flags
export CFLAGS="%{optflags} -fPIC -fwrapv"
export CFLAGS_NODIST="%{optflags} -D_GNU_SOURCE -fPIC -fwrapv"
export CXXFLAGS="%{optflags}"
export CPPFLAGS="$(pkg-config --cflags-only-I libffi)"
export OPT="%{optflags}"
export CFLAGS="$CFLAGS $(pkg-config --cflags openssl)"
export LDFLAGS="%{build_ldflags} $(pkg-config --libs-only-L openssl)"
export LDFLAGS_NODIST="%{build_ldflags} -g $(pkg-config --libs-only-L openssl)"

# Build optimized (non-debug) configuration only
ConfName=optimized
ConfDir=build/$ConfName
mkdir -p $ConfDir
pushd $ConfDir

%global _configure $topdir/configure

%configure \
  --with-platlibdir=%{_lib} \
  --enable-ipv6 \
  --enable-shared \
  --with-computed-gotos=yes \
  --with-dbmliborder=gdbm:ndbm:bdb \
  --with-system-expat \
  --with-system-libmpdec \
  --enable-loadable-sqlite-extensions \
  --with-dtrace \
  --with-lto \
  --with-ssl-default-suites=openssl \
  --without-static-libpython \
  --without-ensurepip \
%if %{with optimizations}
  --enable-optimizations \
%else
  --disable-optimizations \
%endif
%if %{with jit}
  --enable-experimental-jit=yes-off \
%endif
  %{nil}

# regen-all needs a working python3.15
%if %{without bootstrap}
%make_build \
    EXTRA_CFLAGS="-O2" \
    CFLAGS_NODIST="$CFLAGS_NODIST -O2" \
    GITVERSION="true" \
    GITTAG="echo '%{version}-%{release}.%{_arch}'" \
    regen-all PYTHON_FOR_REGEN="python%{pybasever}"
%endif

%make_build \
    EXTRA_CFLAGS="-O2" \
    CFLAGS_NODIST="$CFLAGS_NODIST -O2" \
    GITVERSION="true" \
    GITTAG="echo '%{version}-%{release}.%{_arch}'"

popd

# ======================================================
# Install
# ======================================================

%install
topdir=$(pwd)

# Use gcc14
export CC=gcc14-gcc
export CXX=gcc14-g++

ConfDir=build/optimized
pushd $ConfDir

%make_install \
    EXTRA_CFLAGS="-O2" \
    CFLAGS_NODIST="%{optflags} -D_GNU_SOURCE -fPIC -fwrapv -O2" \
    GITVERSION="true" \
    GITTAG="echo '%{version}-%{release}.%{_arch}'"

popd

# Do NOT run ensurepip during install.
# The ensurepip module (with bundled pip wheel) is installed as part of stdlib.
# Users and the grand-bundle spec can invoke: python3.15 -m ensurepip
# This avoids buildroot path contamination in pip's shebang.

# Fix shebangs that may contain build-tree paths
find %{buildroot}%{_bindir} -type f -exec \
    sed -i '1s|^#!.*python.*$|#!/usr/bin/python%{pybasever}|' {} \;

# Remove /usr/bin/python3 symlink and unversioned commands (we're not main_python)
rm -f %{buildroot}%{_bindir}/python3
rm -f %{buildroot}%{_bindir}/python3-config
rm -f %{buildroot}%{_bindir}/pydoc3
rm -f %{buildroot}%{_bindir}/idle3
rm -f %{buildroot}%{_bindir}/pip3
rm -f %{buildroot}%{_bindir}/2to3

# Remove man page for python3 (we only provide python3.15)
# Be careful not to delete python3.15.1 man page
rm -f %{buildroot}%{_mandir}/man1/python3.1
rm -f %{buildroot}%{_mandir}/man1/python3.1.gz

# Remove libpython3.so unversioned symlink (conflicts with system python)
rm -f %{buildroot}%{_libdir}/libpython3.so

# Create pkgconfig symlink
if [ -f %{buildroot}%{_libdir}/pkgconfig/python-%{pybasever}.pc ]; then
    ln -sf python-%{pybasever}.pc %{buildroot}%{_libdir}/pkgconfig/python%{pybasever}.pc
fi

# Install check-pyc-timestamps.py as a helper (non-executable to avoid shebang issues)
install -m 0644 %{SOURCE8} %{buildroot}%{pylibdir}/

# ======================================================
# Files
# ======================================================

%files
%doc README.rst
%license LICENSE
%{_bindir}/python%{pybasever}
%{_bindir}/pydoc%{pybasever}
%{_mandir}/man1/python%{pybasever}.1*

%files -n %{pkgname}-libs
%license LICENSE
%dir %{pylibdir}
%{pylibdir}/LICENSE.txt
%{pylibdir}/*.py
%{pylibdir}/*.json
%{pylibdir}/__pycache__/
%{pylibdir}/__phello__/
%{pylibdir}/_pyrepl/
%{pylibdir}/asyncio/
%{pylibdir}/collections/
%{pylibdir}/compression/
%{pylibdir}/concurrent/
%{pylibdir}/ctypes/
%{pylibdir}/curses/
%{pylibdir}/dbm/
%{pylibdir}/email/
%{pylibdir}/encodings/
%{pylibdir}/ensurepip/
%{pylibdir}/html/
%{pylibdir}/http/
%{pylibdir}/importlib/
%{pylibdir}/json/
%{pylibdir}/logging/
%{pylibdir}/multiprocessing/
%{pylibdir}/pathlib/
%{pylibdir}/profiling/
%{pylibdir}/pydoc_data/
%{pylibdir}/re/
%{pylibdir}/sqlite3/
%{pylibdir}/string/
%{pylibdir}/sysconfig/
%{pylibdir}/tomllib/
%{pylibdir}/turtledemo/
%{pylibdir}/unittest/
%{pylibdir}/urllib/
%{pylibdir}/venv/
%{pylibdir}/wsgiref/
%{pylibdir}/xml/
%{pylibdir}/xmlrpc/
%{pylibdir}/zipfile/
%{pylibdir}/zoneinfo/
%{pylibdir}/config-%{LDVERSION_optimized}-%{platform_triplet}/
%dir %{dynload_dir}
%{dynload_dir}/*.so
%exclude %{dynload_dir}/_tkinter.cpython-%{pyshortver}*.so
%{_libdir}/libpython%{LDVERSION_optimized}.so.%{py_SOVERSION}
%{_libdir}/libpython%{LDVERSION_optimized}.so

# site-packages directory
%dir %{pylibdir}/site-packages
%{pylibdir}/site-packages/README.txt

%files -n %{pkgname}-devel
%{_bindir}/python%{pybasever}-config
%{_libdir}/pkgconfig/python-%{pybasever}.pc
%{_libdir}/pkgconfig/python-%{pybasever}-embed.pc
%{_libdir}/pkgconfig/python%{pybasever}.pc
# Remove unversioned pkgconfig files that conflict with system python
%exclude %{_libdir}/pkgconfig/python3.pc
%exclude %{_libdir}/pkgconfig/python3-embed.pc
%{_includedir}/python%{LDVERSION_optimized}/

%files -n %{pkgname}-idle
%{_bindir}/idle%{pybasever}
%{pylibdir}/idlelib/

%files -n %{pkgname}-tkinter
%{pylibdir}/tkinter/
%{dynload_dir}/_tkinter.cpython-%{pyshortver}*.so

%files -n %{pkgname}-test
%{pylibdir}/test/

# ======================================================
# Changelog
# ======================================================

%changelog
* Wed Jul 08 2026 Yonghang Wang <wyhang@gmail.com> - %{general_version}%{?prerel:~%{prerel}}-1%{?dist}%{?_trivial}%{?_buildid}
- Build for al2023