Bring back Python >= 3.6 and EL 8 support (#256)

Bring back Python >= 3.6 and EL 8 support

Fixes #255.
RELEASE NOTES BEGIN
specfile now once again supports EPEL 8 and Python 3.6.
RELEASE NOTES END

Reviewed-by: Tomas Tomecek <[email protected]>
Reviewed-by: Jiri Popelka
Reviewed-by: František Lachman <[email protected]>

Author: softwarefactory-project-zuul[bot]

.github/workflows/prepare-release.yml

@@ -23,7 +23,7 @@ jobs:
         uses: packit/prepare-release@v1
         with:
           version: ${{ inputs.version }}
-          specfiles: fedora/python-specfile.spec
+          specfiles: fedora/python-specfile.spec,epel8/python-specfile.spec
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v4
         with:

.packit.yaml

@@ -1,111 +1,174 @@
 ---
-# We want to use both instances for all upstream jobs including the `propose-downstream` one.
-# For downstream, we need to pick just one instance (`stg` in our case)
-# and redefine it for the `koji_build` and `bodhi_update` jobs.
 packit_instances: ["prod", "stg"]
 
-specfile_path: fedora/python-specfile.spec
-
-# add or remove files that should be synced
-files_to_sync:
-  - fedora/python-specfile.spec
-  - .packit.yaml
-  - src: plans/
-    dest: plans/
-  - src: .fmf/
-    dest: .fmf/
-
-# name in upstream package repository or registry (e.g. in PyPI)
 upstream_package_name: specfile
-# downstream (Fedora) RPM package name
 downstream_package_name: python-specfile
 
-copy_upstream_release_description: true
-
 upstream_project_url: https://github.com/packit/specfile
 issue_repository: https://github.com/packit/specfile
 
+copy_upstream_release_description: true
+
 actions:
-  # we need this b/c `git archive` doesn't put all the metadata in the tarball:
-  #   LookupError: setuptools-scm was unable to detect version for '/builddir/build/BUILD/ogr-0.11.1'.
-  #   Make sure you're either building from a fully intact git repository or PyPI tarballs.
-  create-archive:
-    - python3 -m build --sdist --outdir ./fedora/
-    - bash -c "ls -1t ./fedora/*.tar.gz | head -n 1"
-  get-current-version: python3 -m setuptools_scm
   pre-sync:
-    # FMF has to be installed on system where you are calling this tool.
     - python3 plans/git_reference.py
 
-srpm_build_deps:
-  - python3-build
-  - python3-setuptools_scm
+packages:
+  specfile:
+    specfile_path: &specfile_path fedora/python-specfile.spec
+    files_to_sync:
+      - *specfile_path
+      - .packit.yaml
+      - src: plans/
+        dest: plans/
+      - src: .fmf/
+        dest: .fmf/
+    srpm_build_deps:
+      - python3-build
+      - python3-setuptools_scm
+    actions:
+      create-archive:
+        - python3 -m build --sdist --outdir ./fedora/
+        - bash -c "ls -1t ./fedora/*.tar.gz | head -n 1"
+      get-current-version: python3 -m setuptools_scm
 
-jobs:
-  - job: propose_downstream
-    trigger: release
-    dist_git_branches:
-      - fedora-all
-      - epel-9
+  specfile-epel8:
+    specfile_path: &specfile_path_epel8 epel8/python-specfile.spec
+    files_to_sync:
+      - *specfile_path_epel8
+      - .packit.yaml
+      - src: plans/
+        dest: plans/
+      - src: .fmf/
+        dest: .fmf/
+    srpm_build_deps:
+      - python3-setuptools_scm
+    actions:
+      create-archive:
+        - python3 setup.py sdist --dist-dir ./epel8/
+        - bash -c "ls -1t ./epel8/*.tar.gz | head -n 1"
+      get-current-version: python3 setup.py --version
 
+jobs:
   - job: copr_build
     trigger: pull_request
+    packages: [specfile]
     targets:
       - fedora-all
       - epel-9
-
-  - job: tests
+  - job: copr_build
     trigger: pull_request
+    packages: [specfile-epel8]
     targets:
-      - fedora-all
-      - epel-9
+      - epel-8
 
   - job: copr_build
     trigger: commit
     branch: main
+    packages: [specfile]
     targets:
       - fedora-all
       - epel-9
     project: packit-dev
     list_on_homepage: True
     preserve_project: True
+  - job: copr_build
+    trigger: commit
+    branch: main
+    packages: [specfile-epel8]
+    targets:
+      - epel-8
+    project: packit-dev
+    list_on_homepage: True
+    preserve_project: True
 
   - job: copr_build
     trigger: commit
     branch: stable
+    packages: [specfile]
     targets:
       - fedora-stable
       - epel-9
     project: packit-stable
     list_on_homepage: True
     preserve_project: True
+  - job: copr_build
+    trigger: commit
+    branch: stable
+    packages: [specfile-epel8]
+    targets:
+      - epel-8
+    project: packit-stable
+    list_on_homepage: True
+    preserve_project: True
 
   - job: copr_build
     trigger: release
+    packages: [specfile]
     targets:
       - fedora-all
       - epel-9
     project: packit-releases
     list_on_homepage: True
     preserve_project: True
+  - job: copr_build
+    trigger: release
+    packages: [specfile-epel8]
+    targets:
+      - epel-8
+    project: packit-releases
+    list_on_homepage: True
+    preserve_project: True
+
+  - job: tests
+    trigger: pull_request
+    packages: [specfile]
+    targets:
+      - fedora-all
+      - epel-9
+  - job: tests
+    trigger: pull_request
+    packages: [specfile-epel8]
+    targets:
+      - epel-8
+
+  - job: propose_downstream
+    trigger: release
+    packages: [specfile]
+    dist_git_branches:
+      - fedora-all
+      - epel-9
+  - job: propose_downstream
+    trigger: release
+    packages: [specfile-epel8]
+    dist_git_branches:
+      - epel-8
 
   - job: pull_from_upstream
     trigger: release
+    packages: [specfile]
     dist_git_branches:
       - fedora-all
       - epel-9
+  - job: pull_from_upstream
+    trigger: release
+    packages: [specfile-epel8]
+    dist_git_branches:
+      - epel-8
 
-  # downstream automation:
   - job: koji_build
     trigger: commit
     packit_instances: ["stg"]
     allowed_pr_authors: ["packit-stg", "packit"]
     dist_git_branches:
       - fedora-all
       - epel-9
+      - epel-8
+
   - job: bodhi_update
     trigger: commit
     packit_instances: ["stg"]
     dist_git_branches:
       - fedora-branched # rawhide updates are created automatically
       - epel-9
+      - epel-8

epel8/python-specfile.spec

@@ -0,0 +1,91 @@
+%global desc %{expand:
+Python library for parsing and manipulating RPM spec files.
+Main focus is on modifying existing spec files, any change should result
+in a minimal diff.}
+
+
+Name:           python-specfile
+Version:        0.7.0
+Release:        1%{?dist}
+
+Summary:        A library for parsing and manipulating RPM spec files
+License:        MIT
+URL:            https://github.com/packit/specfile
+
+Source0:        %{pypi_source specfile}
+
+BuildArch:      noarch
+
+BuildRequires:  python%{python3_pkgversion}-devel
+BuildRequires:  %{py3_dist setuptools setuptools-scm setuptools-scm-git-archive}
+BuildRequires:  %{py3_dist importlib-metadata dataclasses rpm typing-extensions}
+BuildRequires:  %{py3_dist flexmock pytest}
+BuildRequires:  git-core
+
+
+%description
+%{desc}
+
+
+%package -n python%{python3_pkgversion}-specfile
+Summary:        %{summary}
+
+
+%description -n python%{python3_pkgversion}-specfile
+%{desc}
+
+
+%prep
+%autosetup -p1 -n specfile-%{version}
+# Use packaged RPM python bindings downstream
+sed -i 's/rpm-py-installer/rpm/' setup.cfg
+# Remove bundled egg-info
+rm -rf specfile.egg-info
+
+
+%build
+%py3_build
+
+
+%install
+%py3_install
+
+
+%check
+%pytest
+
+
+%files -n python%{python3_pkgversion}-specfile
+%license LICENSE
+%doc README.md
+%{python3_sitelib}/specfile
+%{python3_sitelib}/specfile-%{version}-py%{python3_version}.egg-info
+
+
+%changelog
+* Fri Oct 07 2022 Packit Team <[email protected]> - 0.7.0-1
+- New upstream release 0.7.0
+
+* Thu Aug 25 2022 Nikola Forró <[email protected]> - 0.6.0-1
+- New upstream release 0.6.0
+
+* Tue Aug 09 2022 Nikola Forró <[email protected]> - 0.5.1-1
+- New upstream release 0.5.1
+
+* Thu Jul 21 2022 Nikola Forró <[email protected]> - 0.5.0-1
+- New upstream release 0.5.0
+
+* Thu Jun 16 2022 Nikola Forró <[email protected]> - 0.4.0-1
+- New upstream release 0.4.0
+
+* Tue May 10 2022 Nikola Forró <[email protected]> - 0.3.0-1
+- New upstream release 0.3.0
+
+* Wed Mar 30 2022 Nikola Forró <[email protected]> - 0.2.0-1
+- New upstream release 0.2.0
+
+* Mon Feb 21 2022 Nikola Forró <[email protected]> - 0.1.1-1
+- New upstream release 0.1.1
+
+* Tue Feb 08 2022 Nikola Forró <[email protected]> - 0.1.0-1
+- Initial package

files/install-requirements-pip.yaml

@@ -3,3 +3,9 @@
   hosts: all
   tasks:
     - include_tasks: tasks/generic-dnf-requirements.yaml
+    - name: Install deps from PyPI
+      pip:
+        name: "{{ item }}"
+      with_items:
+        - typing-extensions
+      become: true

files/tasks/rpm-deps.yaml

@@ -2,5 +2,6 @@
 # Placeholder
 - name: Install runtime RPM dependencies
   dnf:
-    name: []
+    name:
+      - python3-typing-extensions
   become: true

plans/packit-integration.fmf

@@ -25,3 +25,7 @@ adjust:
         package: python3-pip
       - how: shell
         script: pip3 install flexmock deepdiff
+
+  - when: "distro == rhel-8 or distro == centos-8 or distro == centos-stream-8"
+    because: "packit doesn't support EL 8"
+    enabled: false

setup.cfg

@@ -18,9 +18,13 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     Topic :: Software Development
     Topic :: Utilities
 keywords =
@@ -32,8 +36,11 @@ keywords =
 [options]
 packages = find:
 install_requires =
+    importlib-metadata;python_version<"3.8"
+    dataclasses;python_version<"3.7"
     rpm
-python_requires = >=3.9
+    typing-extensions
+python_requires = >=3.6
 include_package_data = True
 
 [options.extras_require]

setup.py

@@ -0,0 +1,8 @@
+#!/usr/bin/python3
+
+# Copyright Contributors to the Packit project.
+# SPDX-License-Identifier: MIT
+
+from setuptools import setup
+
+setup(use_scm_version={"version_scheme": "post-release"})

specfile/__init__.py

@@ -5,10 +5,14 @@
 A library for parsing and manipulating RPM spec files
 """
 
-from importlib.metadata import PackageNotFoundError, distribution
-
 from specfile.specfile import Specfile
 
+try:
+    from importlib.metadata import PackageNotFoundError, distribution
+except ImportError:
+    from importlib_metadata import PackageNotFoundError  # type: ignore[no-redef]
+    from importlib_metadata import distribution  # type: ignore[no-redef]
+
 try:
     __version__ = distribution(__name__).version
 except PackageNotFoundError: