diff --git a/.gitignore b/.gitignore
index e69de29..1fdca13 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/packaging-21.3.tar.gz
diff --git a/538.patch b/538.patch
new file mode 100644
index 0000000..e421590
--- /dev/null
+++ b/538.patch
@@ -0,0 +1,62 @@
+From c3476c3207efef576a185a047e6596b3b0cbcb42 Mon Sep 17 00:00:00 2001
+From: Tzu-ping Chung <uranusjr@gmail.com>
+Date: Wed, 20 Apr 2022 10:00:07 +0800
+Subject: [PATCH 1/2] Correctly parse ELF for musllinux on Big Endian
+
+---
+ packaging/_musllinux.py | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/packaging/_musllinux.py b/packaging/_musllinux.py
+index 8ac3059b..d5d3e044 100644
+--- a/packaging/_musllinux.py
++++ b/packaging/_musllinux.py
+@@ -39,9 +39,11 @@ def _parse_ld_musl_from_elf(f: IO[bytes]) -> Optional[str]:
+         # p_fmt: Format for section header.
+         # p_idx: Indexes to find p_type, p_offset, and p_filesz.
+         e_fmt, p_fmt, p_idx = {
+-            1: ("IIIIHHH", "IIIIIIII", (0, 1, 4)),  # 32-bit.
+-            2: ("QQQIHHH", "IIQQQQQQ", (0, 2, 5)),  # 64-bit.
+-        }[ident[4]]
++            (1, 1): ("<IIIIHHH", "<IIIIIIII", (0, 1, 4)),  # 32-bit LSB.
++            (1, 2): (">IIIIHHH", ">IIIIIIII", (0, 1, 4)),  # 32-bit MSB.
++            (2, 1): ("<QQQIHHH", "<IIQQQQQQ", (0, 2, 5)),  # 64-bit LSB.
++            (2, 2): (">QQQIHHH", ">IIQQQQQQ", (0, 2, 5)),  # 64-bit MSB.
++        }[(ident[4], ident[5])]
+     except KeyError:
+         return None
+     else:
+
+From a339dd3374b334a1a999481f3014f68a7389dacc Mon Sep 17 00:00:00 2001
+From: Tzu-ping Chung <uranusjr@gmail.com>
+Date: Sun, 29 May 2022 11:55:30 +0800
+Subject: [PATCH 2/2] Always use LSB to parse binary in tests
+
+---
+ tests/test_musllinux.py | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/tests/test_musllinux.py b/tests/test_musllinux.py
+index d2c87ca1..2623bdbc 100644
+--- a/tests/test_musllinux.py
++++ b/tests/test_musllinux.py
+@@ -101,14 +101,15 @@ def test_parse_ld_musl_from_elf_no_interpreter_section():
+     with BIN_MUSL_X86_64.open("rb") as f:
+         data = f.read()
+ 
+-    # Change all sections to *not* PT_INTERP.
+-    unpacked = struct.unpack("16BHHIQQQIHHH", data[:58])
++    # Change all sections to *not* PT_INTERP. We are explicitly using LSB rules
++    # because the binaries are in LSB.
++    unpacked = struct.unpack("<16BHHIQQQIHHH", data[:58])
+     *_, e_phoff, _, _, _, e_phentsize, e_phnum = unpacked
+     for i in range(e_phnum + 1):
+         sb = e_phoff + e_phentsize * i
+         se = sb + 56
+-        section = struct.unpack("IIQQQQQQ", data[sb:se])
+-        data = data[:sb] + struct.pack("IIQQQQQQ", 0, *section[1:]) + data[se:]
++        section = struct.unpack("<IIQQQQQQ", data[sb:se])
++        data = data[:sb] + struct.pack("<IIQQQQQQ", 0, *section[1:]) + data[se:]
+ 
+     assert _parse_ld_musl_from_elf(io.BytesIO(data)) is None
+ 
diff --git a/python-packaging.spec b/python-packaging.spec
new file mode 100644
index 0000000..3997496
--- /dev/null
+++ b/python-packaging.spec
@@ -0,0 +1,287 @@
+%global pypi_name packaging
+
+# Specify --with bootstrap to build in bootstrap mode
+# This mode is needed, because python3-rpm-generators need packaging
+# When bootstrapping, disable tests and docs as well.
+%bcond_with bootstrap
+
+%if %{without bootstrap}
+# Specify --without docs to prevent the dependency loop on python-sphinx
+%bcond_without docs
+
+# Specify --without tests to prevent the dependency loop on python-pytest
+%bcond_without tests
+%else
+%bcond_with docs
+%bcond_with tests
+%endif
+
+Name:           python-%{pypi_name}
+Version:        21.3
+Release:        7%{?dist}
+Summary:        Core utilities for Python packages
+
+License:        BSD or ASL 2.0
+URL:            https://github.com/pypa/packaging
+Source0:        %{url}/archive/%{version}/%{pypi_name}-%{version}.tar.gz
+
+# Correctly parse ELF for musllinux on Big Endian
+# Merged upstream
+Patch:          https://github.com/pypa/packaging/pull/538.patch
+
+BuildArch:      noarch
+
+BuildRequires:  python%{python3_pkgversion}-devel
+BuildRequires:  pyproject-rpm-macros
+
+%if %{with bootstrap}
+BuildRequires:  python%{python3_pkgversion}-setuptools
+%endif
+
+# Upstream uses nox for testing, we specify the test deps manually as well.
+%if %{with tests}
+BuildRequires:  python%{python3_pkgversion}-pytest
+BuildRequires:  python%{python3_pkgversion}-pretend
+%endif
+%if %{with docs}
+BuildRequires:  python%{python3_pkgversion}-sphinx
+%endif
+
+
+%global _description %{expand:
+python-packaging provides core utilities for Python packages like utilities for
+dealing with versions, specifiers, markers etc.}
+
+%description %_description
+
+
+%package -n python%{python3_pkgversion}-%{pypi_name}
+Summary:        %{summary}
+
+# This is kept for compatibility with Fedora < 33 only:
+%py_provides    python%{python3_pkgversion}-%{pypi_name}
+
+%if %{with bootstrap}
+Provides:       python%{python3_pkgversion}dist(packaging) = %{version}
+Provides:       python%{python3_version}dist(packaging) = %{version}
+Requires:       python%{python3_version}dist(pyparsing)
+Requires:       python(abi) = %{python3_version}
+%endif
+
+%description -n python%{python3_pkgversion}-%{pypi_name}  %_description
+
+
+%if %{with docs}
+%package -n python-%{pypi_name}-doc
+Summary:        python-packaging documentation
+
+%description -n python-%{pypi_name}-doc
+Documentation for python-packaging
+%endif
+
+
+%prep
+%autosetup -p1 -n %{pypi_name}-%{version}
+
+# Do not use furo as HTML theme in docs
+# furo is not available in Fedora
+sed -i '/html_theme = "furo"/d' docs/conf.py
+
+%if %{without bootstrap}
+%generate_buildrequires
+%pyproject_buildrequires -r
+%endif
+
+
+%build
+%if %{with bootstrap}
+%py3_build
+%else
+%pyproject_wheel
+%endif
+
+%if %{with docs}
+# generate html docs
+sphinx-build-3 docs html
+# remove the sphinx-build leftovers
+rm -rf html/.{doctrees,buildinfo}
+# Do not bundle fonts
+rm -rf html/_static/fonts/
+%endif
+
+
+%install
+%if %{with bootstrap}
+%py3_install
+echo '%{python3_sitelib}/packaging*' > %{pyproject_files}
+%else
+%pyproject_install
+%pyproject_save_files %{pypi_name}
+%endif
+
+
+%if %{with tests}
+%check
+%pytest
+%endif
+
+
+%files -n python%{python3_pkgversion}-%{pypi_name} -f %{pyproject_files}
+%license LICENSE LICENSE.APACHE LICENSE.BSD
+%doc README.rst CHANGELOG.rst CONTRIBUTING.rst
+
+
+%if %{with docs}
+%files -n python-%{pypi_name}-doc
+%doc html
+%license LICENSE LICENSE.APACHE LICENSE.BSD
+%endif
+
+
+%changelog
+* Tue Aug 23 2022 Miro Hrončok <mhroncok@redhat.com> - 21.3-7
+- Fix tests on Big Endian builders
+
+* Fri Jul 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 21.3-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
+
+* Tue Jul 19 2022 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 21.3-5
+- Rebuilt for pyparsing-3.0.9
+
+* Mon Jun 13 2022 Python Maint <python-maint@redhat.com> - 21.3-4
+- Rebuilt for Python 3.11
+
+* Mon Jun 13 2022 Python Maint <python-maint@redhat.com> - 21.3-3
+- Bootstrap for Python 3.11
+
+* Fri Jan 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 21.3-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
+
+* Thu Nov 18 2021 Lumír Balhar <lbalhar@redhat.com> - 21.3-1
+- Update to 21.3
+Resolves: rhbz#2024413
+
+* Mon Nov 01 2021 Lumír Balhar <lbalhar@redhat.com> - 21.2-1
+- Update to 21.2
+Resolves: rhbz#2018534
+
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 21.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Wed Jul 07 2021 Lumír Balhar <lbalhar@redhat.com> - 21.0-1
+- Update to 21.0
+Resolves: rhbz#1978925
+
+* Thu Jun 03 2021 Python Maint <python-maint@redhat.com> - 20.9-3
+- Rebuilt for Python 3.10
+
+* Tue Jun 01 2021 Python Maint <python-maint@redhat.com> - 20.9-2
+- Bootstrap for Python 3.10
+
+* Mon Feb 01 2021 Lumír Balhar <lbalhar@redhat.com> - 20.9-1
+- Update to 20.9
+Resolves: rhbz#1922545
+
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 20.8-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
+* Mon Dec 14 2020 Lumír Balhar <lbalhar@redhat.com> - 20.8-1
+- Update to 20.8 (#1906985)
+
+* Mon Nov 30 2020 Lumír Balhar <lbalhar@redhat.com> - 20.7-1
+- Update to 20.7 (#1902369)
+
+* Fri Oct 02 2020 Miro Hrončok <mhroncok@redhat.com> - 20.4-3
+- Drop the dependency on six to make the package lighter
+
+* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 20.4-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
+* Mon Jun 01 2020 Lumír Balhar <lbalhar@redhat.com> - 20.4-1
+- Update to 20.4 (#1838285)
+
+* Sat May 23 2020 Miro Hrončok <mhroncok@redhat.com> - 20.3-3
+- Rebuilt for Python 3.9
+
+* Fri May 22 2020 Miro Hrončok <mhroncok@redhat.com> - 20.3-2
+- Bootstrap for Python 3.9
+
+* Fri Mar 06 2020 Lumír Balhar <lbalhar@redhat.com> - 20.3-1
+- Update to 20.3 (#1810738)
+
+* Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 20.1-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
+
+* Mon Jan 27 2020 Lumír Balhar <lbalhar@redhat.com> - 20.1-1
+- Update to 20.1 (#1794865)
+
+* Mon Jan 06 2020 Lumír Balhar <lbalhar@redhat.com> - 20.0-2
+- Ignore broken tests
+
+* Mon Jan 06 2020 Lumír Balhar <lbalhar@redhat.com> - 20.0-1
+- Update to 20.0 (#1788012)
+
+* Thu Sep 26 2019 Lumír Balhar <lbalhar@redhat.com> - 19.2-1
+- New upstream version 19.2 (bz#1742388)
+
+* Mon Sep 23 2019 Lumír Balhar <lbalhar@redhat.com> - 19.0-6
+- Remove Python 2 subpackage
+- Make spec fedora-specific
+
+* Mon Sep 02 2019 Miro Hrončok <mhroncok@redhat.com> - 19.0-5
+- Reduce Python 2 build time dependencies
+
+* Fri Aug 16 2019 Miro Hrončok <mhroncok@redhat.com> - 19.0-4
+- Rebuilt for Python 3.8
+
+* Thu Aug 15 2019 Miro Hrončok <mhroncok@redhat.com> - 19.0-3
+- Bootstrap for Python 3.8
+
+* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 19.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
+* Mon Feb 04 2019 Lumír Balhar <lbalhar@redhat.com> - 19.0-1
+- New upstream version
+
+* Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 17.1-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
+
+* Tue Jul 31 2018 Charalampos Stratakis <cstratak@redhat.com> - 17.1-1
+- Update to 17.1
+
+* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 16.8-11
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
+
+* Sat Jun 16 2018 Miro Hrončok <mhroncok@redhat.com> - 16.8-10
+- Rebuilt for Python 3.7
+
+* Thu Jun 14 2018 Miro Hrončok <mhroncok@redhat.com> - 16.8-9
+- Bootstrap for Python 3.7
+
+* Fri Feb 09 2018 Iryna Shcherbina <ishcherb@redhat.com> - 16.8-8
+- Update Python 2 dependency declarations to new packaging standards
+  (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)
+
+* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 16.8-7
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 16.8-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
+* Wed Mar 22 2017 Lumir Balhar <lbalhar@redhat.com> - 16.8-5
+- Epel7 compatible spec/package
+
+* Mon Feb 13 2017 Charalampos Stratakis <cstratak@redhat.com> - 16.8-4
+- Rebuild as wheel
+
+* Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 16.8-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
+
+* Mon Dec 19 2016 Miro Hrončok <mhroncok@redhat.com> - 16.8-2
+- Rebuild for Python 3.6
+
+* Wed Nov 02 2016 Lumir Balhar <lbalhar@redhat.com> - 16.8-1
+- New upstream version
+
+* Fri Sep 16 2016 Lumir Balhar <lbalhar@redhat.com> - 16.7-1
+- Initial package.
diff --git a/sources b/sources
new file mode 100644
index 0000000..86f680e
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (packaging-21.3.tar.gz) = 8960deacda26877b73d98a3b632e760e902a16ec7a04707f84044980e4d4fb33e4f584db115c9008066aa876079f28633bafe37fbd5ce9a23830b6b89eb4ae7a