diff --git a/.fmf/version b/.fmf/version
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/.fmf/version
@@ -0,0 +1 @@
+1
diff --git a/brp-fix-pyc-reproducibility b/brp-fix-pyc-reproducibility
index 536a126..05857b3 100644
--- a/brp-fix-pyc-reproducibility
+++ b/brp-fix-pyc-reproducibility
@@ -1,20 +1,18 @@
-#!/bin/bash -e
+#!/bin/bash -eu
 
 # If using normal root, avoid changing anything.
-if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
+if [[ -z "${RPM_BUILD_ROOT:-}" ]] || [[ "${RPM_BUILD_ROOT:-}" = "/" ]]; then
   exit 0
 fi
 
 # Defined as %py_reproducible_pyc_path macro and passed here as
 # the first command-line argument
-path_to_fix=$1
+path_to_fix=${1:?}
 
 # First, check that the parser is available:
-if [ ! -x /usr/bin/marshalparser ]; then
+if [[ ! -x /usr/bin/marshalparser ]]; then
   echo "ERROR: If %py_reproducible_pyc_path is defined, you have to also BuildRequire: /usr/bin/marshalparser !"
   exit 1
 fi
 
-# Set pipefail so if $path_to_fix does not exist, the build fails
-set -o pipefail
-find "$path_to_fix" -type f -name "*.pyc" | xargs /usr/bin/marshalparser --fix --overwrite
+find "$path_to_fix" -type f -name '*.pyc' -exec /usr/bin/marshalparser --fix --overwrite '{}' '+'
diff --git a/brp-python-bytecompile b/brp-python-bytecompile
index c1749ab..1911fa1 100644
--- a/brp-python-bytecompile
+++ b/brp-python-bytecompile
@@ -6,16 +6,28 @@ errors_terminate=$2
 # Therefore $1 ($default_python) is not needed and is invoked with "" by default.
 # $default_python stays in the arguments for backward compatibility and $extra for the following check:
 extra=$3
-if [ 0$extra -eq 1 ]; then
+if [[ 0"$extra" -eq 1 ]]; then
     echo -e "%_python_bytecompile_extra is discontinued, use %py_byte_compile instead.\nSee: https://fedoraproject.org/wiki/Changes/No_more_automagic_Python_bytecompilation_phase_3" >/dev/stderr
     exit 1
 fi
 
+compileall_flags="$4"
+
 # If using normal root, avoid changing anything.
-if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
+if [[ -z "$RPM_BUILD_ROOT" ]] || [[ "$RPM_BUILD_ROOT" = "/" ]]; then
 	exit 0
 fi
 
+# This function clamps the source mtime, see https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes
+function python_clamp_source_mtime()
+{
+    local _=$1
+    local python_binary=$2
+    local _=$3
+    local python_libdir="$4"
+    PYTHONPATH=/usr/lib/rpm/redhat/ $python_binary -B -m clamp_source_mtime -q "$python_libdir"
+}
+
 # This function now implements Python byte-compilation in three different ways:
 # Python >= 3.4 and < 3.9 uses a new module compileall2 - https://github.com/fedora-python/compileall2
 # In Python >= 3.9, compileall2 was merged back to standard library (compileall) so we can use it directly again.
@@ -24,22 +36,23 @@ function python_bytecompile()
 {
     local options=$1
     local python_binary=$2
-    local exclude=$3
+    # local exclude=$3 # No longer used
     local python_libdir="$4"
+    local compileall_flags="$5"
 
     python_version=$($python_binary -c "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
 
     #
     # Python 3.4 and higher
     #
-    if [ "$python_version" -ge 34 ]; then
+    if [[ "$python_version" -ge 34 ]]; then
 
         # We compile all opt levels in one go: only when $options is empty.
-        if [ -n "$options" ]; then
+        if [[ -n "$options" ]]; then
             return
         fi
 
-        if [ "$python_version" -ge 39 ]; then
+        if [[ "$python_version" -ge 39 ]]; then
             # For Pyhon 3.9+, use the standard library
             compileall_module=compileall
         else
@@ -47,18 +60,23 @@ function python_bytecompile()
             compileall_module=compileall2
         fi
 
-        [ ! -z $exclude ] && exclude="-x '$exclude'"
+        if [[ "$python_version" -ge 37 ]]; then
+            # Force the TIMESTAMP invalidation mode
+            invalidation_option=--invalidation-mode=timestamp
+        else
+            # For older Pythons, the option does not exist
+            # as the invalidation is always based on size+mtime
+            invalidation_option=
+        fi
 
         # PYTHONPATH is needed for compileall2, but doesn't hurt for the stdlib
         # -o 0 -o 1 are the optimization levels
         # -q disables verbose output
         # -f forces the process to overwrite existing compiled files
-        # -x excludes paths defined by regex
         # -e excludes symbolic links pointing outside the build root
-        # -x and -e together implements the same functionality as the Filter class below
         # -s strips $RPM_BUILD_ROOT from the path
         # -p prepends the leading slash to the path to make it absolute
-        PYTHONPATH=/usr/lib/rpm/redhat/ $python_binary -B -m $compileall_module -o 0 -o 1 -q -f $exclude -s "$RPM_BUILD_ROOT" -p / --hardlink-dupes -e "$RPM_BUILD_ROOT" "$python_libdir"
+        PYTHONPATH=/usr/lib/rpm/redhat/ $python_binary -B -m $compileall_module $compileall_flags -o 0 -o 1 -q -f -s "$RPM_BUILD_ROOT" -p / --hardlink-dupes $invalidation_option -e "$RPM_BUILD_ROOT" "$python_libdir"
 
     else
 #
@@ -74,13 +92,10 @@ python_libdir = "$python_libdir"
 depth = sys.getrecursionlimit()
 real_libdir = "$real_libdir"
 build_root = "$RPM_BUILD_ROOT"
-exclude = r"$exclude"
 
 class Filter:
     def search(self, path):
         ret = not os.path.realpath(path).startswith(build_root)
-        if exclude:
-            ret = ret or re.search(exclude, path)
         return ret
 
 sys.exit(not compileall.compile_dir(python_libdir, depth, real_libdir, force=1, rx=Filter(), quiet=1))
@@ -114,16 +129,21 @@ do
 	echo "Bytecompiling .py files below $python_libdir using $python_binary"
 
 	# Generate normal (.pyc) byte-compiled files.
-	python_bytecompile "" "$python_binary" "" "$python_libdir"
-	if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
+	python_clamp_source_mtime "" "$python_binary" "" "$python_libdir" ""
+	if [[ $? -ne 0 ]] && [[ 0"$errors_terminate" -ne 0 ]]; then
+		# One or more of the files had inaccessible mtime
+		exit 1
+	fi
+	python_bytecompile "" "$python_binary" "" "$python_libdir" "$compileall_flags"
+	if [[ $? -ne 0 ]] && [[ 0"$errors_terminate" -ne 0 ]]; then
 		# One or more of the files had a syntax error
 		exit 1
 	fi
 
 	# Generate optimized (.pyo) byte-compiled files.
 	# N.B. For Python 3.4+, this call does nothing
-	python_bytecompile "-O" "$python_binary" "" "$python_libdir"
-	if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
+	python_bytecompile "-O" "$python_binary" "" "$python_libdir" "$compileall_flags"
+	if [[ $? -ne 0 ]] && [[ 0"$errors_terminate" -ne 0 ]]; then
 		# One or more of the files had a syntax error
 		exit 1
 	fi
diff --git a/brp-python-rpm-in-distinfo b/brp-python-rpm-in-distinfo
new file mode 100755
index 0000000..b72d704
--- /dev/null
+++ b/brp-python-rpm-in-distinfo
@@ -0,0 +1,15 @@
+#!/usr/bin/bash
+
+set -eu
+# If using normal root, avoid changing anything.
+if [[ "${RPM_BUILD_ROOT:-/}" = "/" ]] ; then
+	exit 0
+fi
+
+find "$RPM_BUILD_ROOT" -name 'INSTALLER' -type f -print0|grep -z -E "/usr/lib(64)?/python3\.[0-9]+/site-packages/[^/]+\.dist-info/INSTALLER" | while read -d "" installer ; do
+	if cmp -s <(echo pip) "$installer" ; then
+		echo "rpm" > "$installer"
+		rm -f "$(dirname "$installer")/RECORD"
+	fi
+done
+exit 0
diff --git a/clamp_source_mtime.py b/clamp_source_mtime.py
new file mode 100644
index 0000000..1d03a6b
--- /dev/null
+++ b/clamp_source_mtime.py
@@ -0,0 +1,163 @@
+"""Module/script to clamp the mtimes of all .py files to $SOURCE_DATE_EPOCH
+
+When called as a script with arguments, this compiles the directories
+given as arguments recursively.
+
+If upstream is interested, this can be later integrated to the compileall module
+as an additional option (e.g. --clamp-source-mtime).
+
+License:
+This has been derived from the Python's compileall module
+and it follows Python licensing. For more info see: https://www.python.org/psf/license/
+"""
+from __future__ import print_function
+import os
+import sys
+
+# Python 3.6 and higher
+PY36 = sys.version_info[0:2] >= (3, 6)
+
+__all__ = ["clamp_dir", "clamp_file"]
+
+
+def _walk_dir(dir, maxlevels, quiet=0):
+    if PY36 and quiet < 2 and isinstance(dir, os.PathLike):
+        dir = os.fspath(dir)
+    else:
+        dir = str(dir)
+    if not quiet:
+        print('Listing {!r}...'.format(dir))
+    try:
+        names = os.listdir(dir)
+    except OSError:
+        if quiet < 2:
+            print("Can't list {!r}".format(dir))
+        names = []
+    names.sort()
+    for name in names:
+        if name == '__pycache__':
+            continue
+        fullname = os.path.join(dir, name)
+        if not os.path.isdir(fullname):
+            yield fullname
+        elif (maxlevels > 0 and name != os.curdir and name != os.pardir and
+              os.path.isdir(fullname) and not os.path.islink(fullname)):
+                for result in _walk_dir(fullname, maxlevels=maxlevels - 1,
+                                        quiet=quiet):
+                    yield result
+
+
+def clamp_dir(dir, source_date_epoch, quiet=0):
+    """Clamp the mtime of all modules in the given directory tree.
+
+    Arguments:
+
+    dir:       the directory to byte-compile
+    source_date_epoch: integer parsed from $SOURCE_DATE_EPOCH
+    quiet:     full output with False or 0, errors only with 1,
+               no output with 2
+    """
+    maxlevels = sys.getrecursionlimit()
+    files = _walk_dir(dir, quiet=quiet, maxlevels=maxlevels)
+    success = True
+    for file in files:
+        if not clamp_file(file, source_date_epoch, quiet=quiet):
+            success = False
+    return success
+
+
+def clamp_file(fullname, source_date_epoch, quiet=0):
+    """Clamp the mtime of one file.
+
+    Arguments:
+
+    fullname:  the file to byte-compile
+    source_date_epoch: integer parsed from $SOURCE_DATE_EPOCH
+    quiet:     full output with False or 0, errors only with 1,
+               no output with 2
+    """
+    if PY36 and quiet < 2 and isinstance(fullname, os.PathLike):
+        fullname = os.fspath(fullname)
+    else:
+        fullname = str(fullname)
+    name = os.path.basename(fullname)
+
+    if os.path.isfile(fullname) and not os.path.islink(fullname):
+        if name[-3:] == '.py':
+            try:
+                mtime = int(os.stat(fullname).st_mtime)
+                atime = int(os.stat(fullname).st_atime)
+            except OSError as e:
+                if quiet >= 2:
+                    return False
+                elif quiet:
+                    print('*** Error checking mtime of {!r}...'.format(fullname))
+                else:
+                    print('*** ', end='')
+                print(e.__class__.__name__ + ':', e)
+                return False
+            if mtime > source_date_epoch:
+                if not quiet:
+                    print('Clamping mtime of {!r}'.format(fullname))
+                try:
+                    os.utime(fullname, (atime, source_date_epoch))
+                except OSError as e:
+                    if quiet >= 2:
+                        return False
+                    elif quiet:
+                        print('*** Error clamping mtime of {!r}...'.format(fullname))
+                    else:
+                        print('*** ', end='')
+                    print(e.__class__.__name__ + ':', e)
+                    return False
+    return True
+
+
+def main():
+    """Script main program."""
+    import argparse
+
+    source_date_epoch = os.getenv('SOURCE_DATE_EPOCH')
+    if not source_date_epoch:
+        print("Not clamping source mtimes, $SOURCE_DATE_EPOCH not set")
+        return True  # This is a success, no action needed
+    try:
+        source_date_epoch = int(source_date_epoch)
+    except ValueError:
+        print("$SOURCE_DATE_EPOCH must be an integer")
+        return False
+
+    parser = argparse.ArgumentParser(
+        description='Clamp .py source mtime to $SOURCE_DATE_EPOCH.')
+    parser.add_argument('-q', action='count', dest='quiet', default=0,
+                        help='output only error messages; -qq will suppress '
+                             'the error messages as well.')
+    parser.add_argument('clamp_dest', metavar='FILE|DIR', nargs='+',
+                        help=('zero or more file and directory paths '
+                              'to clamp'))
+
+    args = parser.parse_args()
+    clamp_dests = args.clamp_dest
+
+    success = True
+    try:
+        for dest in clamp_dests:
+            if os.path.isfile(dest):
+                if not clamp_file(dest, quiet=args.quiet,
+                                  source_date_epoch=source_date_epoch):
+                    success = False
+            else:
+                if not clamp_dir(dest, quiet=args.quiet,
+                                 source_date_epoch=source_date_epoch):
+                    success = False
+        return success
+    except KeyboardInterrupt:
+        if args.quiet < 2:
+            print("\n[interrupted]")
+        return False
+    return True
+
+
+if __name__ == '__main__':
+    exit_status = int(not main())
+    sys.exit(exit_status)
diff --git a/compileall2.py b/compileall2.py
index c58e545..ea7e76f 100644
--- a/compileall2.py
+++ b/compileall2.py
@@ -4,7 +4,7 @@ When called as a script with arguments, this compiles the directories
 given as arguments recursively; the -l option prevents it from
 recursing into directories.
 
-Without arguments, if compiles all modules on sys.path, without
+Without arguments, it compiles all modules on sys.path, without
 recursing into subdirectories.  (Even though it should do so for
 packages -- for now, you'll have to deal with packages separately.)
 
@@ -36,11 +36,11 @@ PY35 = sys.version_info[0:2] >= (3, 5)
 # introduced in Python 3.7. These cases are covered by variables here or by PY37
 # variable itself.
 if PY37:
-    pyc_struct_format = '<4sll'
+    pyc_struct_format = '<4sLL'
     pyc_header_lenght = 12
     pyc_header_format = (pyc_struct_format, importlib.util.MAGIC_NUMBER, 0)
 else:
-    pyc_struct_format = '<4sl'
+    pyc_struct_format = '<4sL'
     pyc_header_lenght = 8
     pyc_header_format = (pyc_struct_format, importlib.util.MAGIC_NUMBER)
 
@@ -106,7 +106,7 @@ def compile_dir(dir, maxlevels=None, ddir=None, force=False,
     workers:   maximum number of parallel workers
     invalidation_mode: how the up-to-dateness of the pyc will be checked
     stripdir:  part of path to left-strip from source file path
-    prependdir: path to prepend to beggining of original file path, applied
+    prependdir: path to prepend to beginning of original file path, applied
                after stripdir
     limit_sl_dest: ignore symlinks if they are pointing outside of
                    the defined path
@@ -120,23 +120,34 @@ def compile_dir(dir, maxlevels=None, ddir=None, force=False,
         stripdir = dir
         prependdir = ddir
         ddir = None
-    if workers is not None:
-        if workers < 0:
-            raise ValueError('workers must be greater or equal to 0')
-        elif workers != 1:
-            try:
-                # Only import when needed, as low resource platforms may
-                # fail to import it
-                from concurrent.futures import ProcessPoolExecutor
-            except ImportError:
-                workers = 1
+    if workers < 0:
+        raise ValueError('workers must be greater or equal to 0')
+    if workers != 1:
+        # Check if this is a system where ProcessPoolExecutor can function.
+        from concurrent.futures.process import _check_system_limits
+        try:
+            _check_system_limits()
+        except NotImplementedError:
+            workers = 1
+        else:
+            from concurrent.futures import ProcessPoolExecutor
     if maxlevels is None:
         maxlevels = sys.getrecursionlimit()
     files = _walk_dir(dir, quiet=quiet, maxlevels=maxlevels)
     success = True
-    if workers is not None and workers != 1 and ProcessPoolExecutor is not None:
+    if workers != 1 and ProcessPoolExecutor is not None:
+        mp_context_arg = {}
+        if PY37:
+            import multiprocessing
+            if multiprocessing.get_start_method() == 'fork':
+                mp_context = multiprocessing.get_context('forkserver')
+            else:
+                mp_context = None
+            mp_context_arg = {"mp_context": mp_context}
+        # If workers == 0, let ProcessPoolExecutor choose
         workers = workers or None
-        with ProcessPoolExecutor(max_workers=workers) as executor:
+        with ProcessPoolExecutor(max_workers=workers,
+                                 **mp_context_arg) as executor:
             results = executor.map(partial(compile_file,
                                            ddir=ddir, force=force,
                                            rx=rx, quiet=quiet,
@@ -178,7 +189,7 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0,
                files each with one optimization level.
     invalidation_mode: how the up-to-dateness of the pyc will be checked
     stripdir:  part of path to left-strip from source file path
-    prependdir: path to prepend to beggining of original file path, applied
+    prependdir: path to prepend to beginning of original file path, applied
                after stripdir
     limit_sl_dest: ignore symlinks if they are pointing outside of
                    the defined path.
@@ -190,10 +201,8 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0,
                           "in combination with stripdir or prependdir"))
 
     success = True
-    if PY36 and quiet < 2 and isinstance(fullname, os.PathLike):
-        fullname = os.fspath(fullname)
-    else:
-        fullname = str(fullname)
+    fullname = os.fspath(fullname)
+    stripdir = os.fspath(stripdir) if stripdir is not None else None
     name = os.path.basename(fullname)
 
     dfile = None
@@ -206,13 +215,13 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0,
     if stripdir is not None:
         fullname_parts = fullname.split(os.path.sep)
         stripdir_parts = stripdir.split(os.path.sep)
-        ddir_parts = list(fullname_parts)
 
-        for spart, opart in zip(stripdir_parts, fullname_parts):
-            if spart == opart:
-                ddir_parts.remove(spart)
-
-        dfile = os.path.join(*ddir_parts)
+        if stripdir_parts != fullname_parts[:len(stripdir_parts)]:
+            if quiet < 2:
+                print("The stripdir path {!r} is not a valid prefix for "
+                      "source path {!r}; ignoring".format(stripdir, fullname))
+        else:
+            dfile = os.path.join(*fullname_parts[len(stripdir_parts):])
 
     if prependdir is not None:
         if dfile is None:
@@ -258,7 +267,7 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0,
             if not force:
                 try:
                     mtime = int(os.stat(fullname).st_mtime)
-                    expect = struct.pack(*(pyc_header_format + (mtime,)))
+                    expect = struct.pack(*(pyc_header_format + (mtime & 0xFFFF_FFFF,)))
                     for cfile in opt_cfiles.values():
                         with open(cfile, 'rb') as chandle:
                             actual = chandle.read(pyc_header_lenght)
@@ -301,9 +310,8 @@ def compile_file(fullname, ddir=None, force=False, rx=None, quiet=0,
                 else:
                     print('*** ', end='')
                 # escape non-printable characters in msg
-                msg = err.msg.encode(sys.stdout.encoding,
-                                     errors='backslashreplace')
-                msg = msg.decode(sys.stdout.encoding)
+                encoding = sys.stdout.encoding or sys.getdefaultencoding()
+                msg = err.msg.encode(encoding, errors='backslashreplace').decode(encoding)
                 print(msg)
             except (SyntaxError, UnicodeError, OSError) as e:
                 success = False
@@ -408,8 +416,8 @@ def main():
                         type=int, help='Run compileall concurrently')
     parser.add_argument('-o', action='append', type=int, dest='opt_levels',
                         help=('Optimization levels to run compilation with. '
-                              'Default is -1 which uses optimization level of '
-                              'Python interpreter itself (specified by -O).'))
+                              'Default is -1 which uses the optimization level '
+                              'of the Python interpreter itself (see -O).'))
     parser.add_argument('-e', metavar='DIR', dest='limit_sl_dest',
                         help='Ignore symlinks pointing outsite of the DIR')
     parser.add_argument('--hardlink-dupes', action='store_true',
@@ -456,7 +464,8 @@ def main():
     # if flist is provided then load it
     if args.flist:
         try:
-            with (sys.stdin if args.flist=='-' else open(args.flist)) as f:
+            with (sys.stdin if args.flist=='-' else
+                    open(args.flist, encoding="utf-8")) as f:
                 for line in f:
                     compile_dests.append(line.strip())
         except OSError:
@@ -464,9 +473,6 @@ def main():
                 print("Error reading file list {}".format(args.flist))
             return False
 
-    if args.workers is not None:
-        args.workers = args.workers or None
-
     if PY37 and args.invalidation_mode:
         ivl_mode = args.invalidation_mode.replace('-', '_').upper()
         invalidation_mode = py_compile.PycInvalidationMode[ivl_mode]
diff --git a/import_all_modules.py b/import_all_modules.py
index 3930236..97e924c 100644
--- a/import_all_modules.py
+++ b/import_all_modules.py
@@ -7,6 +7,7 @@ import os
 import re
 import site
 import sys
+import traceback
 
 from contextlib import contextmanager
 from pathlib import Path
@@ -93,11 +94,24 @@ def read_modules_from_all_args(args):
 
 def import_modules(modules):
     '''Procedure to perform import check for each module name from the given list of modules.
+
+    Return a list of failed modules.
     '''
 
+    failed_modules = []
+
     for module in modules:
         print('Check import:', module, file=sys.stderr)
-        importlib.import_module(module)
+        try:
+            importlib.import_module(module)
+        except Exception:
+            traceback.print_exc(file=sys.stderr)
+            failed_modules.append(module)
+
+    if failed_modules:
+        print(f'Failed to import: {", ".join(failed_modules)}', file=sys.stderr)
+
+    return failed_modules
 
 
 def argparser():
@@ -164,7 +178,10 @@ def main(argv=None):
 
     with remove_unwanteds_from_sys_path():
         addsitedirs_from_environ()
-        import_modules(modules)
+        failed_modules = import_modules(modules)
+
+    if failed_modules:
+        raise SystemExit(1)
 
 
 if __name__ == '__main__':
diff --git a/macros.pybytecompile b/macros.pybytecompile
index dd8b495..e81ddae 100644
--- a/macros.pybytecompile
+++ b/macros.pybytecompile
@@ -17,8 +17,14 @@
 # Python 3.11+ no longer needs this: https://github.com/python/cpython/pull/27926 (but we support older Pythons as well)
 
 %py_byte_compile()\
+clamp_source_mtime () {\
+    python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} %1"\
+    bytecode_compilation_path="%2"\
+    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m clamp_source_mtime $bytecode_compilation_path \
+}\
+\
 py2_byte_compile () {\
-    python_binary="env PYTHONHASHSEED=0 %1"\
+    python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
     bytecode_compilation_path="%2"\
     failure=0\
     find $bytecode_compilation_path -type f -a -name "*.py" -print0 | xargs -0 $python_binary -s -c 'import py_compile, sys; [py_compile.compile(f, dfile=f.partition("'"$RPM_BUILD_ROOT"'")[2], doraise=True) for f in sys.argv[1:]]' || failure=1\
@@ -26,28 +32,38 @@ py2_byte_compile () {\
     test $failure -eq 0\
 }\
 \
-py3_byte_compile () {\
-    python_binary="env PYTHONHASHSEED=0 %1"\
+py34_byte_compile () {\
+    python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
     bytecode_compilation_path="%2"\
-    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes $bytecode_compilation_path \
+    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_build_ncpus:-j%{_smp_build_ncpus}} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes $bytecode_compilation_path \
+}\
+py37_byte_compile () {\
+    python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
+    bytecode_compilation_path="%2"\
+    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_build_ncpus:-j%{_smp_build_ncpus}} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
 }\
 \
 py39_byte_compile () {\
-    python_binary="env PYTHONHASHSEED=0 %1"\
+    python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
     bytecode_compilation_path="%2"\
-    $python_binary -s -B -m compileall -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes $bytecode_compilation_path \
+    $python_binary -s -B -m compileall %{?_smp_build_ncpus:-j%{_smp_build_ncpus}} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
 }\
 \
 # Path to intepreter should not contain any arguments \
 [[ "%1" =~ " -" ]] && echo "ERROR py_byte_compile: Path to interpreter should not contain any arguments" >&2 && exit 1 \
+# First, clamp source mtime https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes \
+clamp_source_mtime "%1" "%2"; \
 # Get version without a dot (36 instead of 3.6), bash doesn't compare floats well \
 python_version=$(%1 -c "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))") \
 # compileall2 is an enhanced fork of stdlib compileall module for Python >= 3.4 \
 # and it was merged back to stdlib in Python >= 3.9 \
+# Only Python 3.7+ supports and needs the --invalidation-mode option \
 if [ "$python_version" -ge 39 ]; then \
 py39_byte_compile "%1" "%2"; \
+elif [ "$python_version" -ge 37 ]; then \
+py37_byte_compile "%1" "%2"; \
 elif [ "$python_version" -ge 34 ]; then \
-py3_byte_compile "%1" "%2"; \
+py34_byte_compile "%1" "%2"; \
 else \
 py2_byte_compile "%1" "%2"; \
 fi
diff --git a/macros.python b/macros.python
index 65cf929..4bd0da6 100644
--- a/macros.python
+++ b/macros.python
@@ -1,20 +1,78 @@
+# Memoize a macro to avoid calling the same expensive code multiple times in
+# the specfile.
+# There is no error handling,
+# memoizing an undefined macro (or using such a key) has undefined behavior.
+# Options:
+#   -n - The name of the macro to wrap
+#   -k - The name of the macro to use as a cache key
+%_python_memoize(n:k:) %{lua:
+local name = opt.n
+-- NB: We use rpm.expand() here instead of the macros table to make sure errors
+-- are propogated properly.
+local cache_key = rpm.expand("%{" .. opt.k .. "}")
+if not _python_macro_cache then
+    -- This is intentionally a global lua table
+    _python_macro_cache = {}
+end
+if not _python_macro_cache[cache_key] then
+    _python_macro_cache[cache_key] = {}
+end
+if not _python_macro_cache[cache_key][name] then
+    _python_macro_cache[cache_key][name] = rpm.expand("%{" .. name .. "}")
+end
+print(_python_macro_cache[cache_key][name])
+}
+
+# Deprecation wrapper, warns only once per macro
+# Options:
+#   -n - The name of the macro that is deprecated
+%_python_deprecated(n:) %{lua:
+if not _python_deprecated_warned then
+    -- This is intentionally a global lua table
+    _python_deprecated_warned = {}
+end
+if not _python_deprecated_warned[opt.n] then
+    _python_deprecated_warned[opt.n] = true
+    local msg = "The %" .. opt.n .. " macro is deprecated and will likely stop working in Fedora 44. " ..
+                "See the current Python packaging guidelines: " ..
+                "https://docs.fedoraproject.org/en-US/packaging-guidelines/Python/"
+    macros.warn({msg})
+end
+}
+
 # unversioned macros: used with user defined __python, no longer part of rpm >= 4.15
 # __python is defined to error by default in the srpm macros
 # nb: $RPM_BUILD_ROOT is not set when the macros are expanded (at spec parse time)
 #     so we set it manually (to empty string), making our Python prefer the correct install scheme location
 # platbase/base is explicitly set to %%{_prefix} to support custom values, such as /app for flatpaks
-%python_sitelib %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_path('purelib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
-%python_sitearch %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_path('platlib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
-%python_version %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; sys.stdout.write('{0.major}.{0.minor}'.format(sys.version_info))")
-%python_version_nodots %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
-%python_platform %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_platform())")
-%python_platform_triplet %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_config_var('MULTIARCH'))")
-%python_ext_suffix %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
-%python_cache_tag %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; print(sys.implementation.cache_tag)")
+%__python_sitelib %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_path('purelib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
+%python_sitelib %{_python_memoize -n __python_sitelib -k __python}
+
+%__python_sitearch %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_path('platlib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
+%python_sitearch %{_python_memoize -n __python_sitearch -k __python}
+
+%__python_version %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; sys.stdout.write('{0.major}.{0.minor}'.format(sys.version_info))")
+%python_version %{_python_memoize -n __python_version -k __python}
+
+%__python_version_nodots %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
+%python_version_nodots %{_python_memoize -n __python_version_nodots -k __python}
+
+%__python_platform %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_platform())")
+%python_platform %{_python_memoize -n __python_platform -k __python}
+
+%__python_platform_triplet %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_config_var('MULTIARCH'))")
+%python_platform_triplet %{_python_memoize -n __python_platform_triplet -k __python}
+
+%__python_ext_suffix %(RPM_BUILD_ROOT= %{__python} -Esc "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
+%python_ext_suffix %{_python_memoize -n __python_ext_suffix -k __python}
+
+%__python_cache_tag %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; print(sys.implementation.cache_tag)")
+%python_cache_tag %{_python_memoize -n __python_cache_tag -k __python}
 
 %py_setup setup.py
 %_py_shebang_s s
-%_py_shebang_P %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; print('P' if hasattr(sys.flags, 'safe_path') else '')")
+%__py_shebang_P %(RPM_BUILD_ROOT= %{__python} -Esc "import sys; print('P' if hasattr(sys.flags, 'safe_path') else '')")
+%_py_shebang_P %{_python_memoize -n __py_shebang_P -k __python}
 %py_shbang_opts -%{?_py_shebang_s}%{?_py_shebang_P}
 %py_shbang_opts_nodash %(opts=%{py_shbang_opts}; echo ${opts#-})
 %py_shebang_flags %(opts=%{py_shbang_opts}; echo ${opts#-})
@@ -28,33 +86,22 @@
 
 # Use the slashes after expand so that the command starts on the same line as
 # the macro
-%py_build() %{expand:\\\
+%py_build() %{_python_deprecated -n py_build}%{expand:\\\
   CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
   %{__python} %{py_setup} %{?py_setup_args} build --executable="%{__python} %{py_shbang_opts}" %{?*}
 }
 
-%py_build_egg() %{expand:\\\
-  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
-  %{__python} %{py_setup} %{?py_setup_args} bdist_egg %{?*}
-}
-
-%py_build_wheel() %{expand:\\\
+%py_build_wheel() %{_python_deprecated -n py_build_wheel}%{expand:\\\
   CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
   %{__python} %{py_setup} %{?py_setup_args} bdist_wheel %{?*}
 }
 
-%py_install() %{expand:\\\
+%py_install() %{_python_deprecated -n py_install}%{expand:\\\
   CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
   %{__python} %{py_setup} %{?py_setup_args} install -O1 --skip-build --root %{buildroot} --prefix %{_prefix} %{?*}
   rm -rfv %{buildroot}%{_bindir}/__pycache__
 }
 
-%py_install_egg() %{expand:\\\
-  mkdir -p %{buildroot}%{python_sitelib}
-  %{__python} -m easy_install -m --prefix %{buildroot}%{_prefix} -Z dist/*-py%{python_version}.egg %{?*}
-  rm -rfv %{buildroot}%{_bindir}/__pycache__
-}
-
 %py_install_wheel() %{expand:\\\
   %{__python} -m pip install -I dist/%{1} --root %{buildroot} --prefix %{_prefix} --no-deps --no-index --no-warn-script-location
   rm -rfv %{buildroot}%{_bindir}/__pycache__
@@ -131,6 +178,16 @@
   end
 }
 
+# Environment variables for testing used standalone, e.g.:
+#  %%{py_test_envvars} %%{python} -m unittest
+%py_test_envvars %{expand:\\\
+  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
+  PATH="%{buildroot}%{_bindir}:$PATH"\\\
+  PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python_sitearch}:%{buildroot}%{python_sitelib}}"\\\
+  PYTHONDONTWRITEBYTECODE=1\\\
+  %{?__pytest_addopts:PYTEST_ADDOPTS="${PYTEST_ADDOPTS:-} %{__pytest_addopts}"}\\\
+  PYTEST_XDIST_AUTO_NUM_WORKERS="${PYTEST_XDIST_AUTO_NUM_WORKERS:-%{_smp_build_ncpus}}"}
+
 %python_disable_dependency_generator() \
 %undefine __pythondist_requires \
 %{nil}
diff --git a/macros.python-srpm b/macros.python-srpm
index 7104f7f..d5cd4e5 100644
--- a/macros.python-srpm
+++ b/macros.python-srpm
@@ -17,7 +17,7 @@
 # There are two macros:
 #
 # This always contains the major.minor version (with dots), default for %%python3_version.
-%__default_python3_version 3.11
+%__default_python3_version 3.14
 #
 # The pkgname version that determines the alternative provide name (e.g. python3.9-foo),
 # set to the same as above, but historically hasn't included the dot.
@@ -66,6 +66,8 @@
 
 ### BRP scripts (and related macros)
 
+## Modifies installation method in .dist-info/INSTALLER file to rpm
+%python_rpm_in_distinfo 1
 ## Automatically compile python files
 %py_auto_byte_compile 1
 ## Should python bytecompilation errors terminate a build?
@@ -73,18 +75,24 @@
 ## Should python bytecompilation compile outside python specific directories?
 ## This always causes errors when enabled, see https://fedoraproject.org/wiki/Changes/No_more_automagic_Python_bytecompilation_phase_3
 %_python_bytecompile_extra 0
+## Helper macro to unset $SOURCE_DATE_EPOCH if %%clamp_mtime_to_source_date_epoch is not set
+## https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes#Python_bytecode
+%__env_unset_source_date_epoch_if_not_clamp_mtime %[0%{?clamp_mtime_to_source_date_epoch} == 0 ? "env -u SOURCE_DATE_EPOCH" : "env"]
 
 ## The individual BRP scripts
-%__brp_python_bytecompile %{_rpmconfigdir}/redhat/brp-python-bytecompile "" "%{?_python_bytecompile_errors_terminate_build}" "%{?_python_bytecompile_extra}"
+%__brp_python_rpm_in_distinfo %{_rpmconfigdir}/redhat/brp-python-rpm-in-distinfo
+%__brp_python_bytecompile %{__env_unset_source_date_epoch_if_not_clamp_mtime} %{_rpmconfigdir}/redhat/brp-python-bytecompile "" "%{?_python_bytecompile_errors_terminate_build}" "%{?_python_bytecompile_extra}" "%{?_smp_build_ncpus:-j%{_smp_build_ncpus}}"
 %__brp_fix_pyc_reproducibility %{_rpmconfigdir}/redhat/brp-fix-pyc-reproducibility
 %__brp_python_hardlink %{_rpmconfigdir}/redhat/brp-python-hardlink
 
 ## This macro is included in redhat-rpm-config's %%__os_install_post
 # Note that the order matters:
-#  1. brp-python-bytecompile can create (or replace) pyc files
-#  2. brp-fix-pyc-reproducibility can modify the pyc files from above
-#  3. brp-python-hardlink de-duplicates identical pyc files
+#  1. brp-python-rpm-in-distinfo modifies .dist-info/INSTALLER file
+#  2. brp-python-bytecompile can create (or replace) pyc files
+#  3. brp-fix-pyc-reproducibility can modify the pyc files from above
+#  4. brp-python-hardlink de-duplicates identical pyc files
 %__os_install_post_python \
+    %{?python_rpm_in_distinfo:%{?__brp_python_rpm_in_distinfo}} \
     %{?py_auto_byte_compile:%{?__brp_python_bytecompile}} \
     %{?py_reproducible_pyc_path:%{?__brp_fix_pyc_reproducibility} "%{py_reproducible_pyc_path}"} \
     %{?__brp_python_hardlink} \
@@ -222,15 +230,20 @@
     end
 }
 
-%python_extras_subpkg(n:i:f:F) %{expand:%{lua:
+%python_extras_subpkg(n:i:f:FaAv:) %{expand:%{lua:
     local option_n = '-n (name of the base package)'
     local option_i = '-i (buildroot path to metadata)'
     local option_f = '-f (builddir path to a filelist)'
     local option_F = '-F (skip %%files section)'
+    local option_a = '-a (insert BuildArch: noarch)'
+    local option_A = '-A (do not insert BuildArch: noarch (default))'
     local value_n = rpm.expand('%{-n*}')
     local value_i = rpm.expand('%{-i*}')
     local value_f = rpm.expand('%{-f*}')
     local value_F = rpm.expand('%{-F}')
+    local value_a = rpm.expand('%{-a}')
+    local value_A = rpm.expand('%{-A}')
+    local value_v = rpm.expand('%{-v}')
     local args = rpm.expand('%{*}')
     if value_n == '' then
         rpm.expand('%{error:%%%0: missing option ' .. option_n .. '}')
@@ -247,10 +260,14 @@
     if value_f ~= '' and value_F ~= '' then
         rpm.expand('%{error:%%%0: simultaneous ' .. option_f .. ' and ' .. option_F .. ' options are not possible}')
     end
+    if value_a ~= '' and value_A ~= '' then
+        rpm.expand('%{error:%%%0: simultaneous ' .. option_a .. ' and ' .. option_A .. ' options are not possible}')
+    end
     if args == '' then
         rpm.expand('%{error:%%%0 requires at least one argument with "extras" name}')
     end
-    local requires = 'Requires: ' .. value_n .. ' = %{?epoch:%{epoch}:}%{version}-%{release}'
+    local verrel = rpm.expand('%{?-v*}%{!?-v:%{version}-%{release}}')
+    local requires = 'Requires: ' .. value_n .. ' = %{?epoch:%{epoch}:}' .. verrel
     for extras in args:gmatch('[^%s,]+') do
         local rpmname = value_n .. '+' .. extras
         local pkgdef = '%package -n ' .. rpmname
@@ -270,11 +287,15 @@
                       'It makes sure the dependencies are installed.\\\n'
         local files = ''
         if value_i ~= '' then
-            files = '%files -n ' .. rpmname .. '\\\n' .. '%ghost ' .. value_i
+            files = '%files -n ' .. rpmname .. '\\\n' .. '%ghost %dir ' .. value_i
         elseif value_f ~= '' then
             files = '%files -n ' .. rpmname .. ' -f ' .. value_f
         end
-        for i, line in ipairs({pkgdef, summary, requires, description, files, ''}) do
+        local tags = summary .. '\\\n' .. requires
+        if value_a ~= '' then
+            tags = tags .. '\\\nBuildArch: noarch'
+        end
+        for i, line in ipairs({pkgdef, tags, description, files, ''}) do
             print(line .. '\\\n')
         end
     end
diff --git a/macros.python-wheel-sbom b/macros.python-wheel-sbom
new file mode 100644
index 0000000..41389f9
--- /dev/null
+++ b/macros.python-wheel-sbom
@@ -0,0 +1,124 @@
+# The macros in this file are used to add SBOM to wheel files that we ship.
+# Majority of Python packages will not need to do that,
+# as they only use wheels as an intermediate artifact.
+# The macros will be used by packages installing wheel to %%python_wheel_dir
+# or by Python interpreters bundling their own (patched) wheels.
+#
+# The runtime dependencies are not Required by the python-rpm-macros package,
+# users of this macro need to specify them on their own or rely on the fact that
+# they are all available in the default buildroot.
+#
+# Usage: %%python_wheel_inject_sbom PATHS_TO_WHEELS
+#
+# The wheels are modified in-place.
+
+
+# Path of the SBOM file in the PEP 770 .dist-info/sboms directory
+# This filename is explicitly mentioned in https://cyclonedx.org/specification/overview/
+# section Recognized file patterns
+%__python_wheel_sbom_filename bom.json
+
+
+# The SBOM content to put to the file
+# This is a CycloneDX component as recommended in https://discuss.python.org/t/97436/7
+%__python_wheel_sbom_content %{expand:{
+  "bomFormat": "CycloneDX",
+  "specVersion": "1.6",
+  "components": [
+    {
+      "type": "library",
+      "name": "%{name}",
+      "version": "%{version}-%{release}",
+      "purl": "%{__python_wheel_purl}"
+    }
+  ]
+}}
+
+
+# The purl used above
+# We use the src package name (which is easier to get and more useful to consumers).
+# Note that epoch needs special handling, see https://github.com/package-url/purl-spec/issues/69
+# and https://redhatproductsecurity.github.io/security-data-guidelines/purl/
+%__python_wheel_purl pkg:rpm/%{__python_wheel_dist_purl_namespace}/%{name}@%{version}-%{release}?%{?epoch:epoch=%{epoch}&}arch=src
+
+
+# The purl namespace used above
+# https://lists.fedoraproject.org/archives/list/packaging@lists.fedoraproject.org/thread/GTRCTAF3R3SSBVEJYFCATKNRT7RYVFQI/
+# Distributors, define %%dist_purl_namespace to set this.
+# The rest of the code is fallback for distributions without it (relying on %%dist_name).
+%__python_wheel_dist_purl_namespace %{?dist_purl_namespace}%{!?dist_purl_namespace:%{lua:
+  if macros.epel then
+    -- being epel beats the %%dist_name value
+    -- added in https://src.fedoraproject.org/rpms/epel-rpm-macros/pull-request/86
+    print("epel")
+  else
+    local dist_map = {
+      -- fedora is in the purl-spec examples https://github.com/package-url/purl-spec/blob/main/PURL-TYPES.rst#rpm
+      -- added in https://src.fedoraproject.org/rpms/fedora-release/pull-request/385
+      ["Fedora Linux"] = "fedora",
+      -- added in https://gitlab.com/redhat/centos-stream/rpms/centos-stream-release/-/merge_requests/7
+      ["CentOS Stream"] = "centos",
+      -- documented at https://redhatproductsecurity.github.io/security-data-guidelines/purl/
+      ["Red Hat Enterprise Linux"] = "redhat",
+      -- documented at https://wiki.almalinux.org/documentation/sbom-guide.html
+      ["AlmaLinux"] = "almalinux",
+      -- from https://github.com/google/osv.dev/pull/2939
+      ["Rocky Linux"] = "rocky-linux",
+    }
+    print(dist_map[macros.dist_name] or "unknown")
+  end
+}}
+
+
+# A Bash scriptlet to inject the SBOM file into the wheel(s)
+# The macro takes positional nargs+ with wheel paths
+# For each wheel, it
+#  1. aborts if the SBOM file is already there (it won't override)
+#  2. inserts the SBOM file to .dist-info/sboms
+#  3. amends .dist-info/RECORD with the added SBOM file
+%python_wheel_inject_sbom() %{expand:(
+  %[%# ? "" : "%{error:%%%0: At least one argument (wheel path) is required}"]
+
+  set -eu -o pipefail
+  export LANG=C.utf-8
+
+  tmpdir=$(mktemp -d)
+  trap 'rm -rf "$tmpdir"' EXIT
+  pwd0=$(pwd)
+  ret=0
+
+  for whl in %{*}; do
+    cd "$tmpdir"
+    if [[ "$whl" != /* ]]; then
+        whl="$pwd0/$whl"
+    fi
+
+    record=$(zipinfo -1 "$whl" | grep -E '^[^/]+-[^/]+\.dist-info/RECORD$')
+    distinfo="${record%%/RECORD}"
+    bom="$distinfo/sboms/%{__python_wheel_sbom_filename}"
+
+    if zipinfo -1 "$whl" | grep -qFx "$bom"; then
+      echo -e "\\n\\nERROR %%%%%0: $whl already has $bom, aborting\\n\\n" >&2
+      ret=1
+      continue
+    fi
+
+    unzip "$whl" "$record"
+    mkdir "$distinfo/sboms"
+    echo '%{__python_wheel_sbom_content}' > "$bom"
+    checksum="sha256=$(sha256sum "$bom" | cut -f1 -d' ')"
+    size="$(wc --bytes "$bom" | cut -f1 -d' ')"
+    echo "$bom,$checksum,$size" >> "$record"
+
+    if [[ -n "${SOURCE_DATE_EPOCH:-}" ]]; then
+      touch --date="@$SOURCE_DATE_EPOCH" "$bom" "$record"
+    fi
+
+    zip -r "$whl" "$record" "$bom"
+    rm -rf "$distinfo"
+    cd "$pwd0"
+  done
+
+  exit $ret
+)}
+
diff --git a/macros.python3 b/macros.python3
index c6aa17e..38cdcd4 100644
--- a/macros.python3
+++ b/macros.python3
@@ -1,18 +1,35 @@
 # nb: $RPM_BUILD_ROOT is not set when the macros are expanded (at spec parse time)
 #     so we set it manually (to empty string), making our Python prefer the correct install scheme location
 # platbase/base is explicitly set to %%{_prefix} to support custom values, such as /app for flatpaks
-%python3_sitelib %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_path('purelib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
-%python3_sitearch %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_path('platlib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
-%python3_version %(RPM_BUILD_ROOT= %{__python3} -Ic "import sys; sys.stdout.write('{0.major}.{0.minor}'.format(sys.version_info))")
-%python3_version_nodots %(RPM_BUILD_ROOT= %{__python3} -Ic "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
-%python3_platform %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_platform())")
-%python3_platform_triplet %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_config_var('MULTIARCH'))")
-%python3_ext_suffix %(RPM_BUILD_ROOT= %{__python3} -Ic "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
-%python3_cache_tag %(RPM_BUILD_ROOT= %{__python3} -Ic "import sys; print(sys.implementation.cache_tag)")
+%__python3_sitelib %(RPM_BUILD_ROOT= %{__python3} -Esc "import sysconfig; print(sysconfig.get_path('purelib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
+%python3_sitelib %{_python_memoize -n __python3_sitelib -k __python3}
+
+%__python3_sitearch %(RPM_BUILD_ROOT= %{__python3} -Esc "import sysconfig; print(sysconfig.get_path('platlib', vars={'platbase': '%{_prefix}', 'base': '%{_prefix}'}))")
+%python3_sitearch %{_python_memoize -n __python3_sitearch -k __python3}
+
+%__python3_version %(RPM_BUILD_ROOT= %{__python3} -Esc "import sys; sys.stdout.write('{0.major}.{0.minor}'.format(sys.version_info))")
+%python3_version %{_python_memoize -n __python3_version -k __python3}
+
+%__python3_version_nodots %(RPM_BUILD_ROOT= %{__python3} -Esc "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
+%python3_version_nodots %{_python_memoize -n __python3_version_nodots -k __python3}
+
+%__python3_platform %(RPM_BUILD_ROOT= %{__python3} -Esc "import sysconfig; print(sysconfig.get_platform())")
+%python3_platform %{_python_memoize -n __python3_platform -k __python3}
+
+%__python3_platform_triplet %(RPM_BUILD_ROOT= %{__python3} -Esc "import sysconfig; print(sysconfig.get_config_var('MULTIARCH'))")
+%python3_platform_triplet %{_python_memoize -n __python3_platform_triplet -k __python3}
+
+%__python3_ext_suffix %(RPM_BUILD_ROOT= %{__python3} -Esc "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
+%python3_ext_suffix %{_python_memoize -n __python3_ext_suffix -k __python3}
+
+%__python3_cache_tag %(RPM_BUILD_ROOT= %{__python3} -Esc "import sys; print(sys.implementation.cache_tag)")
+%python3_cache_tag %{_python_memoize -n __python3_cache_tag -k __python3}
+
 %py3dir %{_builddir}/python3-%{name}-%{version}-%{release}
 
 %_py3_shebang_s s
-%_py3_shebang_P %(RPM_BUILD_ROOT= %{__python3} -Ic "import sys; print('P' if hasattr(sys.flags, 'safe_path') else '')")
+%__py3_shebang_P %(RPM_BUILD_ROOT= %{__python3} -Ic "import sys; print('P' if hasattr(sys.flags, 'safe_path') else '')")
+%_py3_shebang_P %{_python_memoize -n __py3_shebang_P -k __python3}
 %py3_shbang_opts -%{?_py3_shebang_s}%{?_py3_shebang_P}
 %py3_shbang_opts_nodash %(opts=%{py3_shbang_opts}; echo ${opts#-})
 %py3_shebang_flags %(opts=%{py3_shbang_opts}; echo ${opts#-})
@@ -26,33 +43,22 @@
 
 # Use the slashes after expand so that the command starts on the same line as
 # the macro
-%py3_build() %{expand:\\\
+%py3_build() %{_python_deprecated -n py3_build}%{expand:\\\
   CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
   %{__python3} %{py_setup} %{?py_setup_args} build --executable="%{__python3} %{py3_shbang_opts}" %{?*}
 }
 
-%py3_build_egg() %{expand:\\\
-  CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
-  %{__python3} %{py_setup} %{?py_setup_args} bdist_egg %{?*}
-}
-
-%py3_build_wheel() %{expand:\\\
+%py3_build_wheel() %{_python_deprecated -n py3_build_wheel}%{expand:\\\
   CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
   %{__python3} %{py_setup} %{?py_setup_args} bdist_wheel %{?*}
 }
 
-%py3_install() %{expand:\\\
+%py3_install() %{_python_deprecated -n py3_install}%{expand:\\\
   CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
   %{__python3} %{py_setup} %{?py_setup_args} install -O1 --skip-build --root %{buildroot} --prefix %{_prefix} %{?*}
   rm -rfv %{buildroot}%{_bindir}/__pycache__
 }
 
-%py3_install_egg() %{expand:\\\
-  mkdir -p %{buildroot}%{python3_sitelib}
-  %{__python3} -m easy_install -m --prefix %{buildroot}%{_prefix} -Z dist/*-py%{python3_version}.egg %{?*}
-  rm -rfv %{buildroot}%{_bindir}/__pycache__
-}
-
 %py3_install_wheel() %{expand:\\\
   %{__python3} -m pip install -I dist/%{1} --root %{buildroot} --prefix %{_prefix} --no-deps --no-index --no-warn-script-location
   rm -rfv %{buildroot}%{_bindir}/__pycache__
@@ -105,12 +111,16 @@
   end
 }
 
-# This is intended for Python 3 only, hence also no Python version in the name.
-%__pytest /usr/bin/pytest%(test %{python3_pkgversion} == 3 || echo -%{python3_version})
-%pytest %{expand:\\\
+# Environment variables used by %%pytest, %%tox or standalone, e.g.:
+#  %%{py3_test_envvars} %%{python3} -m unittest
+%py3_test_envvars %{expand:\\\
   CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"\\\
   PATH="%{buildroot}%{_bindir}:$PATH"\\\
   PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python3_sitearch}:%{buildroot}%{python3_sitelib}}"\\\
   PYTHONDONTWRITEBYTECODE=1\\\
   %{?__pytest_addopts:PYTEST_ADDOPTS="${PYTEST_ADDOPTS:-} %{__pytest_addopts}"}\\\
-  %__pytest}
+  PYTEST_XDIST_AUTO_NUM_WORKERS="${PYTEST_XDIST_AUTO_NUM_WORKERS:-%{_smp_build_ncpus}}"}
+
+# This is intended for Python 3 only, hence also no Python version in the name.
+%__pytest /usr/bin/pytest%(test %{python3_pkgversion} == 3 || echo -%{python3_version})
+%pytest %py3_test_envvars %__pytest
diff --git a/pathfix.py b/pathfix.py
index 1d7db3a..6808382 100644
--- a/pathfix.py
+++ b/pathfix.py
@@ -56,7 +56,6 @@ def main():
             if recursedown(arg): bad = 1
         elif os.path.islink(arg):
             err(arg + ': will not process symbolic links\n')
-            bad = 1
         else:
             if fix(arg): bad = 1
     sys.exit(bad)
diff --git a/plan.fmf b/plan.fmf
new file mode 100644
index 0000000..88850dd
--- /dev/null
+++ b/plan.fmf
@@ -0,0 +1,40 @@
+execute:
+  how: tmt
+
+discover:
+  - name: same_repo
+    how: shell
+    tests:
+    - name: pytest
+      test: PYTHONPATH=/usr/lib/rpm/redhat ALTERNATE_PYTHON_VERSION=3.6 pytest -v
+    - name: manual_byte_compilation_clamp_mtime_off
+      path: /tests
+      test: rpmbuild --define 'dist .clamp0' --define 'clamp_mtime_to_source_date_epoch 0' -ba pythontest.spec
+    - name: manual_byte_compilation_clamp_mtime_on
+      path: /tests
+      test: rpmbuild --define 'dist .clamp1' --define 'clamp_mtime_to_source_date_epoch 1' -ba pythontest.spec
+    - name: rpmlint_clamp_mtime_off
+      test: rpmlint ~/rpmbuild/RPMS/x86_64/pythontest-0-0.clamp0.x86_64.rpm | grep python-bytecode-inconsistent-mtime || exit 0 && exit 1
+    - name: rpmlint_clamp_mtime_on
+      test: rpmlint ~/rpmbuild/RPMS/x86_64/pythontest-0-0.clamp1.x86_64.rpm | grep python-bytecode-inconsistent-mtime || exit 0 && exit 1
+    - name: python_wheel_inject_sbom
+      path: /tests
+      test: rpmbuild -ba testwheel.spec
+
+prepare:
+  - name: Install dependencies
+    how: install
+    package:
+    - rpm-build
+    - rpmlint
+    - python-rpm-macros
+    - python3-rpm-macros
+    - python3-devel
+    - python3-setuptools
+    - python3-pip
+    - python3-pytest
+    - python3.6
+    - dnf
+  - name: Update packages
+    how: shell
+    script: dnf upgrade -y
diff --git a/python-rpm-macros.spec b/python-rpm-macros.spec
index 8a65425..263853a 100644
--- a/python-rpm-macros.spec
+++ b/python-rpm-macros.spec
@@ -8,16 +8,18 @@ Source101:      macros.python
 Source102:      macros.python-srpm
 Source104:      macros.python3
 Source105:      macros.pybytecompile
+Source106:      macros.python-wheel-sbom
 
 # Lua files
 Source201:      python.lua
 
 # Python code
-%global compileall2_version 0.7.1
+%global compileall2_version 0.8.0
 Source301:      https://github.com/fedora-python/compileall2/raw/v%{compileall2_version}/compileall2.py
 Source302:      import_all_modules.py
 %global pathfix_version 1.0.0
 Source303:      https://github.com/fedora-python/pathfix/raw/v%{pathfix_version}/pathfix.py
+Source304:      clamp_source_mtime.py
 
 # BRP scripts
 # This one is from redhat-rpm-config < 190
@@ -32,13 +34,15 @@ Source402:      brp-python-hardlink
 # This one is from redhat-rpm-config < 190
 # It has no upstream yet
 Source403:      brp-fix-pyc-reproducibility
+# brp script to write "rpm" string into the .dist-info/INSTALLER file
+Source404:      brp-python-rpm-in-distinfo
 
 # macros and lua: MIT
 # import_all_modules.py: MIT
-# compileall2.py: PSFv2
-# pathfix.py: PSFv2
-# brp scripts: GPLv2+
-License:        MIT and Python and GPLv2+
+# compileall2.py, clamp_source_mtime.py: PSF-2.0
+# pathfix.py: PSF-2.0
+# brp scripts: GPL-2.0-or-later
+License:        MIT AND PSF-2.0 AND GPL-2.0-or-later
 
 # The package version MUST be always the same as %%{__default_python3_version}.
 # To have only one source of truth, we load the macro and use it.
@@ -52,7 +56,7 @@ elseif posix.stat('macros.python-srpm') then
 end
 }
 Version:        %{__default_python3_version}
-Release:        5%{?dist}
+Release:        9%{?dist}
 
 BuildArch:      noarch
 
@@ -120,6 +124,7 @@ install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora/srpm python.lua
 
 mkdir -p %{buildroot}%{_rpmconfigdir}/redhat
 install -m 644 compileall2.py %{buildroot}%{_rpmconfigdir}/redhat/
+install -m 644 clamp_source_mtime.py %{buildroot}%{_rpmconfigdir}/redhat/
 install -m 644 import_all_modules.py %{buildroot}%{_rpmconfigdir}/redhat/
 install -m 644 pathfix.py %{buildroot}%{_rpmconfigdir}/redhat/
 install -m 755 brp-* %{buildroot}%{_rpmconfigdir}/redhat/
@@ -130,9 +135,11 @@ install -m 755 brp-* %{buildroot}%{_rpmconfigdir}/redhat/
 # It also ensures that:
 #  - our BRPs can execute
 #  - if our BRPs affect this package, we don't need to build it twice
-%global __brp_python_bytecompile %{buildroot}%{__brp_python_bytecompile}
-%global __brp_python_hardlink %{buildroot}%{__brp_python_hardlink}
-%global __brp_fix_pyc_reproducibility %{buildroot}%{__brp_fix_pyc_reproducibility}
+%define add_buildroot() %{lua:print((macros[macros[1]]:gsub(macros._rpmconfigdir, macros.buildroot .. macros._rpmconfigdir)))}
+%global __brp_python_bytecompile %{add_buildroot __brp_python_bytecompile}
+%global __brp_python_hardlink %{add_buildroot __brp_python_hardlink}
+%global __brp_fix_pyc_reproducibility %{add_buildroot __brp_fix_pyc_reproducibility}
+%global __brp_python_rpm_in_distinfo %{add_buildroot __brp_python_rpm_in_distinfo}
 
 
 %check
@@ -143,15 +150,18 @@ grep -E '^#[^%%]*%%[^%%]' %{buildroot}%{rpmmacrodir}/macros.* && exit 1 || true
 %files
 %{rpmmacrodir}/macros.python
 %{rpmmacrodir}/macros.pybytecompile
+%{rpmmacrodir}/macros.python-wheel-sbom
 %{_rpmconfigdir}/redhat/import_all_modules.py
 %{_rpmconfigdir}/redhat/pathfix.py
 
 %files -n python-srpm-macros
 %{rpmmacrodir}/macros.python-srpm
 %{_rpmconfigdir}/redhat/compileall2.py
+%{_rpmconfigdir}/redhat/clamp_source_mtime.py
 %{_rpmconfigdir}/redhat/brp-python-bytecompile
 %{_rpmconfigdir}/redhat/brp-python-hardlink
 %{_rpmconfigdir}/redhat/brp-fix-pyc-reproducibility
+%{_rpmconfigdir}/redhat/brp-python-rpm-in-distinfo
 %{_rpmluadir}/fedora/srpm/python.lua
 
 %files -n python3-rpm-macros
@@ -159,6 +169,102 @@ grep -E '^#[^%%]*%%[^%%]' %{buildroot}%{rpmmacrodir}/macros.* && exit 1 || true
 
 
 %changelog
+* Thu Oct 16 2025 Miro Hrončok <mhroncok@redhat.com> - 3.14-9
+- %%python_extras_subpkg: Only %%ghost the egg-info/dist-info directory, not the content
+- That way, accidentally unpackaged files within are reported as errors
+
+* Tue Sep 09 2025 Miro Hrončok <mhroncok@redhat.com> - 3.14-8
+- %%python_extras_subpkg: Add -v option to specify the required version(-release)
+- This is useful when the extras are built from a different specfile (e.g. in EPEL for a RHEL base package)
+
+* Fri Aug 29 2025 Miro Hrončok <mhroncok@redhat.com> - 3.14-7
+- %%python_wheel_inject_sbom: Don't accidentally alter nested .dist-infos
+
+* Wed Aug 13 2025 Miro Hrončok <mhroncok@redhat.com> - 3.14-6
+- Introduce %%python_wheel_inject_sbom
+
+* Mon Aug 11 2025 Lumír Balhar <lbalhar@redhat.com> - 3.14-5
+- import_all_modules: Add error handling for import failures
+
+* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org>
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Mon Jul 21 2025 Íñigo Huguet <ihuguet@riseup.net> - 3.14-3
+- pathfix.py: Don't fail on symbolic links
+
+* Sun Jun 29 2025 Miro Hrončok <mhroncok@redhat.com> - 3.14-2
+- Deprecate %%py3_build, %%py3_build_wheel, and %%py3_install
+- Deprecate %%py_build, %%py_build_wheel, and %%py_install
+- https://fedoraproject.org/wiki/Changes/DeprecateSetuppyMacros
+
+* Wed May 28 2025 Karolina Surma <ksurma@redhat.com> - 3.14-1
+- Update main Python to 3.14
+
+* Mon Feb 10 2025 Tomáš Hrnčiar <thrnciar@redhat.com> - 3.13-5
+- Add brp script to modify .dist-info/INSTALLER file
+
+* Sat Jan 18 2025 Fedora Release Engineering <releng@fedoraproject.org> - 3.13-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Fri Jul 19 2024 Fedora Release Engineering <releng@fedoraproject.org> - 3.12-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
+* Tue Jun 25 2024 Cristian Le <fedora@lecris.me> - 3.13-2
+- %%python_extras_subpkg: Add option -a to include BuildArch: noarch
+
+* Thu Jun 06 2024 Karolina Surma <ksurma@redhat.com> - 3.13-1
+- Update main Python to 3.13
+
+* Thu Mar 28 2024 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 3.12-9
+- Minor improvements to brp-fix-pyc-reproducibility
+
+* Fri Mar 22 2024 Lumír Balhar <lbalhar@redhat.com> - 3.12-8
+- Update bundled compileall2 to version 0.8.0
+
+* Thu Jan 25 2024 Miro Hrončok <mhroncok@redhat.com> - 3.12-7
+- %%py3_test_envvars: Only set $PYTEST_XDIST_AUTO_NUM_WORKERS if not already set
+
+* Mon Jan 22 2024 Fedora Release Engineering <releng@fedoraproject.org> - 3.12-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Mon Oct 09 2023 Maxwell G <maxwell@gtmx.me> - 3.12-5
+- Fix python macro memoizing to account for changing %%__python3
+
+* Tue Sep 05 2023 Maxwell G <maxwell@gtmx.me> - 3.12-4
+- Remove %%py3_build_egg and %%py3_install_egg macros.
+
+* Wed Aug 09 2023 Karolina Surma <ksurma@redhat.com> - 3.12-3
+- Declare the license as an SPDX expression
+
+* Fri Jul 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 3.12-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
+* Tue Jun 13 2023 Tomáš Hrnčiar <thrnciar@redhat.com> - 3.12-1
+- Update main Python to Python 3.12
+- https://fedoraproject.org/wiki/Changes/Python3.12
+
+* Thu Mar 16 2023 Miro Hrončok <mhroncok@redhat.com> - 3.11-10
+- Don't assume %%_smp_mflags only ever contains -jX, use -j%%_smp_build_ncpus directly
+- Fixes: rhbz#2179149
+
+* Fri Jan 20 2023 Miro Hrončok <mhroncok@redhat.com> - 3.11-9
+- Memoize values of macros that execute python to get their value
+- Fixes: rhbz#2155505
+
+* Fri Jan 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 3.11-8
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+
+* Mon Dec 19 2022 Miro Hrončok <mhroncok@redhat.com> - 3.11-7
+- Bytecompilation: Unset $SOURCE_DATE_EPOCH when %%clamp_mtime_to_source_date_epoch is not set
+- Bytecompilation: Pass --invalidation-mode=timestamp to compileall (on Python 3.7+)
+- Bytecompilation: Clamp source mtime: https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes
+- Bytecompilation: Compile Python files in parallel, according to %%_smp_mflags
+
+* Sun Nov 13 2022 Miro Hrončok <mhroncok@redhat.com> - 3.11-6
+- Set PYTEST_XDIST_AUTO_NUM_WORKERS=%%{_smp_build_ncpus} from %%pytest
+- pytest-xdist 3+ respects this value when -n auto is used
+- Expose the environment variables used by %%pytest via %%{py3_test_envvars}
+
 * Tue Oct 25 2022 Lumír Balhar <lbalhar@redhat.com> - 3.11-5
 - Include pathfix.py in this package
 
diff --git a/tests/pythontest.spec b/tests/pythontest.spec
index 3b707c5..26eaa2c 100644
--- a/tests/pythontest.spec
+++ b/tests/pythontest.spec
@@ -1,18 +1,16 @@
 %global basedir /opt/test/byte_compilation
 
 # We have 3 different ways of bytecompiling: for 3.9+, 3.4-3.8, and 2.7
-# Test with a representative of each.
+# Test with a representative of each, except 2.7 which we no longer have
 %global python36_sitelib /usr/lib/python3.6/site-packages
-%global python27_sitelib /usr/lib/python2.7/site-packages
 
 Name:           pythontest
 Version:        0
-Release:        0
+Release:        0%{?dist}
 Summary:        ...
 License:        MIT
 BuildRequires:  python3-devel
 BuildRequires:  python3.6
-BuildRequires:  python2.7
 
 %description
 ...
@@ -33,23 +31,19 @@ echo "print()" > %{buildroot}%{python3_sitelib}/directory/file.py
 mkdir -p %{buildroot}%{python36_sitelib}/directory/
 echo "print()" > %{buildroot}%{python36_sitelib}/directory/file.py
 
-mkdir -p %{buildroot}%{python27_sitelib}/directory/
-echo "print()" > %{buildroot}%{python27_sitelib}/directory/file.py
-
 %check
 LOCATIONS="
     %{buildroot}%{basedir}
     %{buildroot}%{python3_sitelib}/directory/
     %{buildroot}%{python36_sitelib}/directory/
-    %{buildroot}%{python27_sitelib}/directory/
 "
 
 # Count .py and .pyc files
 PY=$(find $LOCATIONS -name "*.py" | wc -l)
 PYC=$(find $LOCATIONS -name "*.py[co]" | wc -l)
 
-# We should have 5 .py files (3 for python3, one each for 3.6 & 2.7)
-test $PY -eq 5
+# We should have 4 .py files (3 for python3, one for 3.6)
+test $PY -eq 4
 
 # Every .py file should be byte-compiled to two .pyc files (optimization level 0 and 1)
 # so we should have two times more .pyc files than .py files
@@ -70,4 +64,8 @@ test $PY -ge $INODES
 %pycached %{basedir}/directory/to/test/recursion/file_in_dir.py
 %pycached %{python3_sitelib}/directory/file.py
 %pycached %{python36_sitelib}/directory/file.py
-%{python27_sitelib}/directory/file.py*
+
+
+%changelog
+* Thu Jan 01 2015 Fedora Packager <nobody@fedoraproject.org> - 0-0
+- This changelog entry exists and is deliberately set in the past
diff --git a/tests/test_evals.py b/tests/test_evals.py
index 94229dc..e6cc8f7 100644
--- a/tests/test_evals.py
+++ b/tests/test_evals.py
@@ -22,6 +22,8 @@ TESTED_FILES = os.getenv("TESTED_FILES", None)
 
 
 def rpm_eval(expression, fails=False, **kwargs):
+    if isinstance(expression, str):
+        expression = [expression]
     cmd = ['rpmbuild']
     if TESTED_FILES:
         cmd += ['--macros', TESTED_FILES]
@@ -30,7 +32,8 @@ def rpm_eval(expression, fails=False, **kwargs):
             cmd += ['--undefine', var]
         else:
             cmd += ['--define', f'{var} {value}']
-    cmd += ['--eval', expression]
+    for e in expression:
+        cmd += ['--eval', e]
     cp = subprocess.run(cmd, text=True, env={**os.environ, 'LANG': 'C.utf-8'},
                         stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
     if fails:
@@ -319,6 +322,11 @@ def test_pytest_command_suffix_alternate_pkgversion(version):
     assert f'/usr/bin/pytest-{version} -v' in lines[-1]
 
 
+def test_pytest_sets_pytest_xdist_auto_num_workers():
+    lines = rpm_eval('%pytest', _smp_build_ncpus=2)
+    assert 'PYTEST_XDIST_AUTO_NUM_WORKERS="${PYTEST_XDIST_AUTO_NUM_WORKERS:-2}"' in '\n'.join(lines)
+
+
 def test_pytest_undefined_addopts_are_not_set():
     lines = rpm_eval('%pytest', __pytest_addopts=None)
     assert 'PYTEST_ADDOPTS' not in '\n'.join(lines)
@@ -352,6 +360,28 @@ def test_pytest_addopts_preserves_envvar(__pytest_addopts):
     assert 'z--' not in echoed
 
 
+@pytest.mark.parametrize('__pytest_addopts', ['-X', None])
+def test_py3_test_envvars(lib, __pytest_addopts):
+    lines = rpm_eval('%{py3_test_envvars}\\\n%{python3} -m unittest',
+                     buildroot='BUILDROOT',
+                     _smp_build_ncpus='3',
+                     __pytest_addopts=__pytest_addopts)
+    assert all(l.endswith('\\') for l in lines[:-1])
+    stripped_lines = [l.strip(' \\') for l in lines]
+    sitearch = f'BUILDROOT/usr/{lib}/python{X_Y}/site-packages'
+    sitelib = f'BUILDROOT/usr/lib/python{X_Y}/site-packages'
+    assert f'PYTHONPATH="${{PYTHONPATH:-{sitearch}:{sitelib}}}"' in stripped_lines
+    assert 'PATH="BUILDROOT/usr/bin:$PATH"' in stripped_lines
+    assert 'CFLAGS="${CFLAGS:-${RPM_OPT_FLAGS}}" LDFLAGS="${LDFLAGS:-${RPM_LD_FLAGS}}"' in stripped_lines
+    assert 'PYTHONDONTWRITEBYTECODE=1' in stripped_lines
+    assert 'PYTEST_XDIST_AUTO_NUM_WORKERS="${PYTEST_XDIST_AUTO_NUM_WORKERS:-3}"' in stripped_lines
+    if __pytest_addopts:
+        assert f'PYTEST_ADDOPTS="${{PYTEST_ADDOPTS:-}} {__pytest_addopts}"' in stripped_lines
+    else:
+        assert 'PYTEST_ADDOPTS' not in ''.join(lines)
+    assert stripped_lines[-1] == '/usr/bin/python3 -m unittest'
+
+
 def test_pypi_source_default_name():
     urls = rpm_eval('%pypi_source',
                     name='foo', version='6')
@@ -521,7 +551,7 @@ def test_python_extras_subpkg_i():
         It makes sure the dependencies are installed.
 
         %files -n python3-setuptools_scm+toml
-        %ghost /usr/lib/python{X_Y}/site-packages/*.egg-info
+        %ghost %dir /usr/lib/python{X_Y}/site-packages/*.egg-info
 
         %package -n python3-setuptools_scm+yaml
         Summary: Metapackage for python3-setuptools_scm: yaml extras
@@ -532,7 +562,7 @@ def test_python_extras_subpkg_i():
         It makes sure the dependencies are installed.
 
         %files -n python3-setuptools_scm+yaml
-        %ghost /usr/lib/python{X_Y}/site-packages/*.egg-info
+        %ghost %dir /usr/lib/python{X_Y}/site-packages/*.egg-info
         """).lstrip().splitlines()
     assert lines == expected
 
@@ -589,6 +619,60 @@ def test_python_extras_subpkg_F():
     assert lines == expected
 
 
+def test_python_extras_subpkg_a():
+    lines = rpm_eval('%python_extras_subpkg -n python3-setuptools_scm -a -F toml',
+                     version='6', release='7')
+    expected = textwrap.dedent(f"""
+        %package -n python3-setuptools_scm+toml
+        Summary: Metapackage for python3-setuptools_scm: toml extras
+        Requires: python3-setuptools_scm = 6-7
+        BuildArch: noarch
+        %description -n python3-setuptools_scm+toml
+        This is a metapackage bringing in toml extras requires for
+        python3-setuptools_scm.
+        It makes sure the dependencies are installed.
+        """).lstrip().splitlines()
+    assert lines == expected
+
+
+def test_python_extras_subpkg_A():
+    lines = rpm_eval('%python_extras_subpkg -n python3-setuptools_scm -A -F toml',
+                     version='6', release='7')
+    expected = textwrap.dedent(f"""
+        %package -n python3-setuptools_scm+toml
+        Summary: Metapackage for python3-setuptools_scm: toml extras
+        Requires: python3-setuptools_scm = 6-7
+        %description -n python3-setuptools_scm+toml
+        This is a metapackage bringing in toml extras requires for
+        python3-setuptools_scm.
+        It makes sure the dependencies are installed.
+        """).lstrip().splitlines()
+    assert lines == expected
+
+
+def test_python_extras_subpkg_aA():
+    lines = rpm_eval('%python_extras_subpkg -n python3-setuptools_scm -a -A -F toml',
+                     version='6', release='7', fails=True)
+    assert lines[0] == ('error: %python_extras_subpkg: simultaneous -a '
+                        '(insert BuildArch: noarch) and -A (do not insert '
+                        'BuildArch: noarch (default)) options are not possible')
+
+
+def test_python_extras_subpkg_v():
+    lines = rpm_eval('%python_extras_subpkg -n python3-setuptools_scm -A -v 1.2.3 -F toml',
+                     version='6', release='7')
+    expected = textwrap.dedent(f"""
+        %package -n python3-setuptools_scm+toml
+        Summary: Metapackage for python3-setuptools_scm: toml extras
+        Requires: python3-setuptools_scm = 1.2.3
+        %description -n python3-setuptools_scm+toml
+        This is a metapackage bringing in toml extras requires for
+        python3-setuptools_scm.
+        It makes sure the dependencies are installed.
+        """).lstrip().splitlines()
+    assert lines == expected
+
+
 def test_python_extras_subpkg_underscores():
     lines = rpm_eval('%python_extras_subpkg -n python3-webscrapbook -F adhoc_ssl',
                      version='0.33.3', release='1.fc33')
@@ -680,26 +764,40 @@ unversioned_macros = pytest.mark.parametrize('macro', [
     '%python_cache_tag',
     '%py_shebang_fix',
     '%py_build',
-    '%py_build_egg',
     '%py_build_wheel',
     '%py_install',
-    '%py_install_egg',
     '%py_install_wheel',
     '%py_check_import',
+    '%py_test_envvars',
 ])
 
 
 @unversioned_macros
 def test_unversioned_python_errors(macro):
     lines = rpm_eval(macro, fails=True)
-    assert lines == ['error: attempt to use unversioned python, '
-                     'define %__python to /usr/bin/python2 or /usr/bin/python3 explicitly']
+    # strip the deprecation message
+    if 'deprecated' in lines[0]:
+        lines = lines[1:]
+    assert lines[0] == (
+        'error: attempt to use unversioned python, '
+        'define %__python to /usr/bin/python2 or /usr/bin/python3 explicitly'
+    )
+    # when the macros are %global, the error is longer
+    # we deliberately allow this extra line to be optional
+    if len(lines) > 1 and "error: lua script failed" not in lines[1]:
+        # the failed macro is not unnecessarily our tested macro
+        pattern = r'error: Macro %\S+ failed to expand'
+        assert re.match(pattern, lines[1])
+    # but there should be no more lines
+    assert len(lines) < 3
 
 
 @unversioned_macros
 def test_unversioned_python_works_when_defined(macro):
     macro3 = macro.replace('python', 'python3').replace('py_', 'py3_')
-    assert rpm_eval(macro, __python='/usr/bin/python3') == rpm_eval(macro3)
+    unverisoned = rpm_eval(macro, __python='/usr/bin/python3')
+    expected = [l.replace(macro3, macro) for l in rpm_eval(macro3)]
+    assert unverisoned == expected
 
 
 # we could rework the test for multiple architectures, but the Fedora CI currently only runs on x86_64
@@ -852,3 +950,58 @@ def test_py3_check_import_respects_shebang_flags(shebang_flags_value, expected_s
     # Compare the last line of the command, that's where lua part is evaluated
     expected = f'/usr/bin/python3 {expected_shebang_flags} RPMCONFIGDIR/redhat/import_all_modules.py sys'
     assert  lines[-1].strip() == expected
+
+
+def test_multi_python(alt_x_y):
+    """
+    Ensure memoized %python_version works when switching %__python back
+    and forth.
+    """
+    versions = ['3', alt_x_y, X_Y, '3']
+    evals = []
+    for version in versions:
+        evals.extend((f'%global __python /usr/bin/python{version}', '%python_version'))
+    lines = rpm_eval(evals)
+    lines = [l for l in  lines if l]  # strip empty lines generated by %global
+    assert lines == [X_Y, alt_x_y, X_Y, X_Y]
+
+
+def test_multi_python3(alt_x_y):
+    """
+    Ensure memoized %python3_version works when switching %__python3 back
+    and forth.
+    """
+    versions = ['3', alt_x_y, X_Y, '3']
+    evals = []
+    for version in versions:
+        evals.extend((f'%global __python3 /usr/bin/python{version}', '%python3_version'))
+    lines = rpm_eval(evals)
+    lines = [l for l in  lines if l]  # strip empty lines generated by %global
+    assert lines == [X_Y, alt_x_y, X_Y, X_Y]
+
+
+@pytest.mark.parametrize('macro', [
+    '%py3_build',
+    '%py3_build_wheel',
+    '%py3_install',
+])
+def test_deprecation(macro):
+    lines = rpm_eval(macro)
+    assert "is deprecated" in lines[0]
+    assert f"{macro} " in lines[0]
+
+
+def test_multiple_deprecation():
+    source = '%{py3_build}' * 10 + '%{py3_build_wheel}' * 10 + '%{py3_install}' * 10 + '%{py3_build}'
+    lines = rpm_eval(source)
+
+    assert "is deprecated" in lines[0]
+    assert "%py3_build " in lines[0]
+
+    assert "is deprecated" in lines[1]
+    assert "%py3_build_wheel " in lines[1]
+
+    assert "is deprecated" in lines[2]
+    assert "%py3_install " in lines[2]
+
+    assert "is deprecated" not in '\n'.join(lines[3:])
diff --git a/tests/test_import_all_modules.py b/tests/test_import_all_modules.py
index 52e1d7e..dd10689 100644
--- a/tests/test_import_all_modules.py
+++ b/tests/test_import_all_modules.py
@@ -1,4 +1,4 @@
-from import_all_modules import argparser, exclude_unwanted_module_globs
+from import_all_modules import argparser, exclude_unwanted_module_globs, import_modules
 from import_all_modules import main as modules_main
 from import_all_modules import read_modules_from_cli, filter_top_level_modules_only
 
@@ -119,7 +119,7 @@ def test_import_all_modules_does_not_import():
     # We already imported it in this file once, make sure it's not imported
     # from the cache
     sys.modules.pop('import_all_modules')
-    with pytest.raises(ModuleNotFoundError):
+    with pytest.raises(SystemExit):
         modules_main(['import_all_modules'])
 
 
@@ -127,7 +127,7 @@ def test_modules_from_cwd_not_found(tmp_path, monkeypatch):
     test_module = tmp_path / 'this_is_a_module_in_cwd.py'
     test_module.write_text('')
     monkeypatch.chdir(tmp_path)
-    with pytest.raises(ModuleNotFoundError):
+    with pytest.raises(SystemExit):
         modules_main(['this_is_a_module_in_cwd'])
 
 
@@ -141,15 +141,15 @@ def test_modules_from_sys_path_found(tmp_path):
 
 def test_modules_from_file_are_found(tmp_path):
     test_file = tmp_path / 'this_is_a_file_in_tmp_path.txt'
-    test_file.write_text('math\nwave\nsunau\n')
+    test_file.write_text('math\nwave\ncsv\n')
 
     # Make sure the tested modules are not already in sys.modules
-    for m in ('math', 'wave', 'sunau'):
+    for m in ('math', 'wave', 'csv'):
         sys.modules.pop(m, None)
 
     modules_main(['-f', str(test_file)])
 
-    assert 'sunau' in sys.modules
+    assert 'csv' in sys.modules
     assert 'math' in sys.modules
     assert 'wave' in sys.modules
 
@@ -160,22 +160,22 @@ def test_modules_from_files_are_found(tmp_path):
     test_file_3 = tmp_path / 'this_is_a_file_in_tmp_path_3.txt'
 
     test_file_1.write_text('math\nwave\n')
-    test_file_2.write_text('sunau\npathlib\n')
-    test_file_3.write_text('logging\nsunau\n')
+    test_file_2.write_text('csv\nnetrc\n')
+    test_file_3.write_text('logging\ncsv\n')
 
     # Make sure the tested modules are not already in sys.modules
-    for m in ('math', 'wave', 'sunau', 'pathlib', 'logging'):
+    for m in ('math', 'wave', 'csv', 'netrc', 'logging'):
         sys.modules.pop(m, None)
 
     modules_main(['-f', str(test_file_1), '-f', str(test_file_2), '-f', str(test_file_3), ])
-    for module in ('sunau', 'math', 'wave', 'pathlib', 'logging'):
+    for module in ('csv', 'math', 'wave', 'netrc', 'logging'):
         assert module in sys.modules
 
 
 def test_nonexisting_modules_raise_exception_on_import(tmp_path):
     test_file = tmp_path / 'this_is_a_file_in_tmp_path.txt'
     test_file.write_text('nonexisting_module\nanother\n')
-    with pytest.raises(ModuleNotFoundError):
+    with pytest.raises(SystemExit):
         modules_main(['-f', str(test_file)])
 
 
@@ -203,7 +203,7 @@ def test_nested_modules_found_when_expected(tmp_path, monkeypatch, capsys):
     sys.path.append(str(tmp_path))
     monkeypatch.chdir(cwd_path)
 
-    with pytest.raises(ModuleNotFoundError):
+    with pytest.raises(SystemExit):
         modules_main([
             'this_is_a_module_in_level_0',
             'nested.this_is_a_module_in_level_1',
@@ -253,24 +253,70 @@ def test_non_existing_module_raises_exception(tmp_path):
     test_module_1.write_text('')
     sys.path.append(str(tmp_path))
 
-    with pytest.raises(ModuleNotFoundError):
+    with pytest.raises(SystemExit):
         modules_main([
             'this_is_a_module_in_tmp_path_1',
             'this_is_a_module_in_tmp_path_2',
         ])
 
 
-def test_module_with_error_propagates_exception(tmp_path):
+def test_import_module_returns_failed_modules(tmp_path):
+    test_module_1 = tmp_path / 'this_is_a_module_in_tmp_path_1.py'
+    test_module_1.write_text('')
+    sys.path.append(str(tmp_path))
+
+    failed_modules = import_modules([
+        'this_is_a_module_in_tmp_path_1',
+        'this_is_a_module_in_tmp_path_2',
+    ])
+
+    assert failed_modules == ['this_is_a_module_in_tmp_path_2']
+
+
+def test_module_with_error_propagates_exception(tmp_path, capsys):
 
     test_module_1 = tmp_path / 'this_is_a_module_in_tmp_path_1.py'
     test_module_1.write_text('0/0')
     sys.path.append(str(tmp_path))
 
-    # The correct exception must be raised
-    with pytest.raises(ZeroDivisionError):
+    with pytest.raises(SystemExit):
         modules_main([
             'this_is_a_module_in_tmp_path_1',
         ])
+    _, err = capsys.readouterr()
+    assert "ZeroDivisionError" in err
+
+
+def test_import_module_returns_empty_list_when_no_modules_failed(tmp_path):
+    test_module_1 = tmp_path / 'this_is_a_module_in_tmp_path_1.py'
+    test_module_1.write_text('')
+    sys.path.append(str(tmp_path))
+
+    failed_modules = import_modules(['this_is_a_module_in_tmp_path_1'])
+    assert failed_modules == []
+
+
+def test_all_modules_are_imported(tmp_path, capsys):
+    test_module_1 = tmp_path / 'this_is_a_module_in_tmp_path_1.py'
+    test_module_2 = tmp_path / 'this_is_a_module_in_tmp_path_2.py'
+    test_module_3 = tmp_path / 'this_is_a_module_in_tmp_path_3.py'
+
+    for module in (test_module_1, test_module_2, test_module_3):
+        module.write_text('')
+
+    sys.path.append(str(tmp_path))
+
+    with pytest.raises(SystemExit):
+        modules_main([
+            'this_is_a_module_in_tmp_path_1',
+            'missing_module',
+            'this_is_a_module_in_tmp_path_2',
+            'this_is_a_module_in_tmp_path_3',
+        ])
+    _, err = capsys.readouterr()
+    for i in range(1, 4):
+        assert f"Check import: this_is_a_module_in_tmp_path_{i}" in err
+    assert "Failed to import: missing_module" in err
 
 
 def test_correct_modules_are_excluded(tmp_path):
diff --git a/tests/test_rpm_in_distinfo.py b/tests/test_rpm_in_distinfo.py
new file mode 100644
index 0000000..7546dc0
--- /dev/null
+++ b/tests/test_rpm_in_distinfo.py
@@ -0,0 +1,41 @@
+from pathlib import Path
+
+import os
+import pytest
+import subprocess
+
+@pytest.fixture
+def create_test_files(tmp_path):
+    def _create(subpath, installer_content):
+        dir_path = tmp_path / subpath
+        dir_path.mkdir(parents=True, exist_ok=True)
+        installer_file = dir_path / "INSTALLER"
+        installer_file.write_text(installer_content)
+        record_file = dir_path / "RECORD"
+        record_file.write_text("dummy content in RECORD file\n")
+        return dir_path
+    return _create
+
+testdata = [
+    ("usr/lib/python3.13/site-packages/zipp-3.19.2.dist-info/", "pip\n", "rpm\n", False),
+    ("usr/lib64/python3.13/site-packages/zipp-3.19.2.dist-info/", "pip\n", "rpm\n", False),
+    ("usr/lib/python3.13/site-packages/setuptools/_vendor/zipp-3.19.2.dist-info/", "pip\n", "pip\n", True),
+    ("usr/lib64/python3.13/site-packages/setuptools/_vendor/zipp-3.19.2.dist-info/", "pip\n", "pip\n", True),
+    ("usr/lib/python3.13/site-packages/zipp-3.19.2.dist-info/","not pip in INSTALLER\n", "not pip in INSTALLER\n", True),
+    ("usr/lib64/python3.13/site-packages/zipp-3.19.2.dist-info/","not pip in INSTALLER\n", "not pip in INSTALLER\n", True),
+]
+@pytest.mark.parametrize("path, installer_content, expected_installer_content, record_file_exists", testdata)
+def test_installer_file_was_correctly_modified(monkeypatch, create_test_files,
+path, installer_content, expected_installer_content, record_file_exists):
+    script_path = Path("/usr/lib/rpm/redhat/brp-python-rpm-in-distinfo")
+    tmp_dir = create_test_files(path, installer_content)
+    monkeypatch.setenv("RPM_BUILD_ROOT", str(tmp_dir))
+    result = subprocess.run(
+        [script_path],
+        capture_output=True, text=True
+    )
+
+    assert result.returncode == 0
+    assert (Path(tmp_dir) / "INSTALLER").read_text() == expected_installer_content
+    assert Path(tmp_dir / "RECORD").exists() is record_file_exists
+
diff --git a/tests/tests.yml b/tests/tests.yml
deleted file mode 100644
index 11bb3ae..0000000
--- a/tests/tests.yml
+++ /dev/null
@@ -1,30 +0,0 @@
----
-- hosts: localhost
-  tags:
-    - classic
-  tasks:
-    - dnf:
-        name: "*"
-        state: latest
-
-- hosts: localhost
-  roles:
-  - role: standard-test-basic
-    tags:
-    - classic
-    tests:
-    - pytest:
-        dir: .
-        run: PYTHONPATH=/usr/lib/rpm/redhat ALTERNATE_PYTHON_VERSION=3.6 pytest -v
-    - manual_byte_compilation:
-        dir: .
-        run: rpmbuild -ba pythontest.spec
-    required_packages:
-    - rpm-build
-    - python-rpm-macros
-    - python3-rpm-macros
-    - python3-devel
-    - python3-pytest
-    - python3.6
-    - python2.7
-
diff --git a/tests/testwheel.spec b/tests/testwheel.spec
new file mode 100644
index 0000000..461d7f3
--- /dev/null
+++ b/tests/testwheel.spec
@@ -0,0 +1,116 @@
+Name:           testwheel
+Epoch:          42
+Version:        1
+Release:        0%{?dist}
+Summary:        ...
+License:        MIT
+BuildArch:      noarch
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools >= 61
+BuildRequires:  python3-pip
+
+%description
+This builds and installs a wheel which we can then use as a test for
+%%python_wheel_inject_sbom.
+
+
+%prep
+cat > pyproject.toml << EOF
+[project]
+name = "testwheel"
+version = "1"
+
+[build-system]
+requires = ["setuptools >= 61"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools]
+include-package-data = true
+
+[tool.setuptools.packages.find]
+include = ["testwheel*"]
+EOF
+# create a secondary dist-info folder in the project
+# we need to ensure this file is not altered
+mkdir -p testwheel/_vendor/dependency-2.2.2.dist-info
+touch testwheel/_vendor/dependency-2.2.2.dist-info/RECORD
+echo 'recursive-include testwheel/_vendor *' > MANIFEST.in
+
+
+%build
+export PIP_CONFIG_FILE=/dev/null
+%{python3} -m pip wheel . --no-build-isolation
+
+# The macro should happily alter multiple wheels, let's make more
+for i in {1..5}; do
+  mkdir ${i}
+  cp -a *.whl ${i}
+done
+
+# using relative paths should succeed
+%python_wheel_inject_sbom {1..5}/*.whl
+
+# repetitive use should bail out and fail (SBOM is already there)
+%{python_wheel_inject_sbom {1..5}/*.whl} && exit 1 || true
+
+# each wheel should already have it, all should fail individually as well
+for i in {1..5}; do
+  %{python_wheel_inject_sbom ${i}/*.whl} && exit 1 || true
+done
+
+
+%install
+mkdir -p %{buildroot}%{python_wheel_dir}
+cp -a *.whl %{buildroot}%{python_wheel_dir}
+
+# using absolute paths should work
+%python_wheel_inject_sbom %{buildroot}%{python_wheel_dir}/*.whl
+
+# and fail when repeated
+%{python_wheel_inject_sbom %{buildroot}%{python_wheel_dir}/*.whl} && exit 1 || true
+
+
+%check
+%define venvsite venv/lib/python%{python3_version}/site-packages
+%{python3} -m venv venv
+venv/bin/pip install --no-index --no-cache-dir %{buildroot}%{python_wheel_dir}/*.whl
+
+test -f %{venvsite}/testwheel-1.dist-info/RECORD
+test -f %{venvsite}/testwheel-1.dist-info/sboms/bom.json
+grep '^testwheel-1.dist-info/sboms/bom.json,' %{venvsite}/testwheel-1.dist-info/RECORD
+# a more specific grep. we don't care about CRLF line ends (pip uses those? without the sed the $ doesn't match line end)
+sed 's/\r//g' %{venvsite}/testwheel-1.dist-info/RECORD | grep -E '^testwheel-1.dist-info/sboms/bom.json,sha256=[a-f0-9]{64},[0-9]+$'
+
+test -f %{venvsite}/testwheel/_vendor/dependency-2.2.2.dist-info/RECORD
+test -f %{venvsite}/testwheel/_vendor/dependency-2.2.2.dist-info/sboms/bom.json && exit 1 || true
+
+# this deliberately uses a different mechanism than the macro
+# if you are running this test on a different distro, adjust it
+%define ns %{?fedora:fedora}%{?eln:fedora}%{?epel:epel}%{!?eln:%{!?epel:%{?rhel:redhat}}}
+
+PYTHONOPTIMIZE=0 %{python3} -c "
+import json
+with open('%{venvsite}/testwheel-1.dist-info/sboms/bom.json') as fp:
+    sbom = json.load(fp)
+assert len(sbom['components']) == 1
+assert sbom['components'][0]['type'] == 'library'
+assert sbom['components'][0]['name'] == 'testwheel'
+assert sbom['components'][0]['version'] == '1-0%{?dist}'
+assert sbom['components'][0]['purl'] == 'pkg:rpm/%{ns}/testwheel@1-0%{?dist}?epoch=42&arch=src'
+"
+
+# replace the installation with the original unaltered wheel
+venv/bin/pip install --force-reinstall --no-index --no-cache-dir *.whl
+test -f %{venvsite}/testwheel-1.dist-info/RECORD
+# no SBOM
+test ! -e %{venvsite}/testwheel-1.dist-info/sboms/bom.json
+grep '^testwheel-1.dist-info/sboms/bom.json,' %{venvsite}/testwheel-1.dist-info/RECORD  && exit 1 || true
+
+
+%files
+%{python_wheel_dir}/*.whl
+
+
+%changelog
+* Wed Aug 13 2025 Miro Hrončok <mhroncok@redhat.com> - 42:1-0
+- A static changelog with a date, so we can clamp mtimes