Fix tests on Big Endian builders

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
+ 

python-packaging.spec

@@ -18,12 +18,17 @@
 
 Name:           python-%{pypi_name}
 Version:        21.3
-Release:        6%{?dist}
+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
@@ -117,9 +122,7 @@ echo '%{python3_sitelib}/packaging*' > %{pyproject_files}
 
 %if %{with tests}
 %check
-# Specified tests don't work on big endian platforms
+%pytest
-# Reported in: https://github.com/pypa/packaging/issues/472
-%pytest -k "not test_get_musl_version and not test_parse_ld_musl_from_elf_no_interpreter_section and not test_parse_ld_musl_from_elf"
 %endif
 
 
@@ -136,6 +139,9 @@ echo '%{python3_sitelib}/packaging*' > %{pyproject_files}
 
 
 %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