Update to Python 3.10.21

See https://src.fedoraproject.org/rpms/expat/c/4da0543472

(cherry picked from python3.15 commit ce1bde3e67443b7cf5df33bf58cb2ec75cc2c8e2)

00462-fix-pyssl_seterror-handling-ssl_error_syscall.patch

@@ -22,10 +22,10 @@ Co-authored-by: Petr Viktorin <encukou@gmail.com>
  create mode 100644 Misc/NEWS.d/next/Library/2024-02-18-09-50-31.gh-issue-115627.HGchj0.rst
 
 diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
-index 0f1397de73..21d3676c22 100644
+index f4bba8ff03..f772bd6ab6 100644
 --- a/Lib/test/test_ssl.py
 +++ b/Lib/test/test_ssl.py
-@@ -2605,16 +2605,18 @@ def run(self):
+@@ -2607,16 +2607,18 @@ def run(self):
                          self.write(msg.lower())
                  except OSError as e:
                      # handles SSLError and socket errors
@@ -53,7 +53,7 @@ index 0f1397de73..21d3676c22 100644
                      try:
                          self.write(b"ERROR\n")
                      except OSError:
-@@ -3296,23 +3298,16 @@ def test_wrong_cert_tls13(self):
+@@ -3298,23 +3300,16 @@ def test_wrong_cert_tls13(self):
               client_context.wrap_socket(socket.socket(),
                                          server_hostname=hostname,
                                          suppress_ragged_eofs=False) as s:
@@ -82,7 +82,7 @@ index 0f1397de73..21d3676c22 100644
  
      def test_rude_shutdown(self):
          """A brutal shutdown of an SSL server should raise an OSError
-@@ -4558,8 +4553,8 @@ def msg_cb(conn, direction, version, content_type, msg_type, data):
+@@ -4560,8 +4555,8 @@ def msg_cb(conn, direction, version, content_type, msg_type, data):
                  # test sometimes fails with EOF error. Test passes as long as
                  # server aborts connection with an error.
                  with self.assertRaisesRegex(
@@ -102,7 +102,7 @@ index 0000000000..75d926ab59
 +Fix the :mod:`ssl` module error handling of connection terminate by peer.
 +It now throws an OSError with the appropriate error code instead of an EOFError.
 diff --git a/Modules/_ssl.c b/Modules/_ssl.c
-index 3bd8b96dcc..6f5fb23b8b 100644
+index af770c7f18..7b3cf61474 100644
 --- a/Modules/_ssl.c
 +++ b/Modules/_ssl.c
 @@ -582,7 +582,7 @@ PySSL_ChainExceptions(PySSLSocket *sslsock) {

00494-increase-the-timeout-of-test_large_content_length_truncated.patch

@@ -0,0 +1,23 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Karolina Surma <ksurma@redhat.com>
+Date: Fri, 14 Aug 2026 09:38:26 +0200
+Subject: 00494: Increase the timeout of test_large_content_length_truncated
+
+It has started to fail randomly when run on s390x architecture.
+---
+ Lib/test/test_httpservers.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
+index 5eb3c82fbd..aa8ad1c323 100644
+--- a/Lib/test/test_httpservers.py
++++ b/Lib/test/test_httpservers.py
+@@ -872,7 +872,7 @@ def test_large_content_length(self):
+             self.assertEqual(res.read(), b'%d %d' % (size, size) + self.linesep)
+ 
+     def test_large_content_length_truncated(self):
+-        with support.swap_attr(self.request_handler, 'timeout', 0.001):
++        with support.swap_attr(self.request_handler, 'timeout', support.LOOPBACK_TIMEOUT):
+             for w in range(18, 65):
+                 size = 1 << w
+                 headers = {'Content-Length' : str(size)}

plan.fmf

@@ -34,6 +34,9 @@ discover:
     - name: marshalparser
       path: /marshalparser
       test: "VERSION=${pybasever} SAMPLE=10 ./test_marshalparser_compatibility.sh"
+    - name: required_symbols
+      path: /required-symbols
+      test: "VERSION=${pybasever} ./check.sh"
 
 prepare:
   - name: Install dependencies
@@ -50,8 +53,9 @@ prepare:
     - virtualenv  # for virtualenv tests
     - glibc-all-langpacks # for locale tests
     - marshalparser  # for testing compatibility (magic numbers) with marshalparser
+    - binutils  # for nm (symbol inspection)
     - rpm  # for debugging
-    - dnf  # for upgrade
+    - dnf  # for upgrade and downgrade
   - name: Update packages
     how: shell
     script: dnf upgrade -y

python3.10.spec

@@ -13,7 +13,7 @@ URL: https://www.python.org/
 
 #  WARNING  When rebasing to a new Python version,
 #           remember to update the python3-docs package as well
-%global general_version %{pybasever}.20
+%global general_version %{pybasever}.21
 #global prerel ...
 %global upstream_version %{general_version}%{?prerel}
 Version: %{general_version}%{?prerel:~%{prerel}}
@@ -216,7 +216,6 @@ BuildRequires: make
 BuildRequires: mpdecimal-devel
 BuildRequires: ncurses-devel
 
-BuildRequires: openssl-devel
 BuildRequires: pkgconfig
 BuildRequires: readline-devel
 BuildRequires: redhat-rpm-config >= 127
@@ -229,6 +228,10 @@ BuildRequires: tix-devel
 BuildRequires: tk-devel < 1:9
 BuildRequires: tzdata
 
+# Support for OpenSSL 4 only landed in Python 3.15 for now
+# https://github.com/python/cpython/issues/146207
+BuildRequires: (openssl-devel < 1:4 or openssl3-devel)
+
 %if %{with valgrind}
 BuildRequires: valgrind-devel
 %endif
@@ -366,6 +369,12 @@ Patch474: 00474-cve-2025-15366.patch
 # (cherry-picked from commit b234a2b67539f787e191d2ef19a7cbdce32874e7)
 Patch475: 00475-cve-2025-15367.patch
 
+# 00494 # 430aab133397ed44cc9ee621fd311e02fee317b5
+# Increase the timeout of test_large_content_length_truncated
+#
+# It has started to fail randomly when run on s390x architecture.
+Patch494: 00494-increase-the-timeout-of-test_large_content_length_truncated.patch
+
 # (New patches go here ^^^)
 #
 # When adding new patches to "python" and "python3" in Fedora, EL, etc.,
@@ -523,8 +532,12 @@ Requires: tzdata
 # We avoid this problem by requiring at least the same version of expat that
 # was used during the build time.
 # Other subpackages (like -debug) also need this, but they all depend on -libs.
+# Since expat 2.7.4, the library has versioned symbols and this is no longer needed,
+# as the generated requirement will be in the form of libexpat.so.1(LIBEXPAT_2.7.2) etc.
 %global expat_version %(LANG=C rpm -q --qf '%%{version}' expat.%{_target_cpu} | sed 's/.*not installed/0/')
+%if v"%{expat_version}" < v"2.7.4"
 Requires: expat%{?_isa} >= %{expat_version}
+%endif
 
 
 # Since patch 251 changed from distutils to sysconfig, pip needed to be adapted
@@ -1665,6 +1678,20 @@ CheckPython optimized
 # ======================================================
 
 %changelog
+* Thu Aug 13 2026 Karolina Surma <ksurma@redhat.com> - 3.10.21-1
+- Update to Python 3.10.21
+
+* Thu Jul 30 2026 Miro Hrončok <mhroncok@redhat.com> - 3.10.20-4
+ - Skip UDP Lite tests if it's not supported
+ - Fixes FTBFS on Linux kernel 7.1 and newer
+
+* Thu Jul 16 2026 Fedora Release Engineering <releng@fedoraproject.org> - 3.10.20-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
+
+* Sat Apr 11 2026 Miro Hrončok <mhroncok@redhat.com> - 3.10.20-2
+- Explicitly build with OpenSSL 3
+- Fix ssl.SSLError: [ASN1: NOT_ENOUGH_DATA] not enough data with OpenSSL 3.5.7+
+
 * Tue Mar 03 2026 Tomáš Hrnčiar <thrnciar@redhat.com> - 3.10.20-1
 - Update to 3.10.20
 

sources

@@ -1,2 +1,2 @@
-SHA512 (Python-3.10.20.tar.xz) = 591d3acf7ef47307b8c58fec9516731b374bcdf6eb21883410f67402f823a183f1abffec1116583e394610730f414d5a98b4c3437ea5174a4d2adbb99b8f6e5b
-SHA512 (Python-3.10.20.tar.xz.asc) = cb90ce514c63c63adc10cbb3db778eae626b922461715954daf08b3a3a99b8b4c750fded624787b7d28fc10a203b0e0e5494b91e5305ef56a23fda46c023c203
+SHA512 (Python-3.10.21.tar.xz) = 6f6de7c5e4c0457f2d189ed5d111c83fb8775e19123afe4f9fd0ae2b93f3fa2bbb7ad849ade6bb5227d4a6a3d63abc8e167fbe5fb54fa715660c89fd6274daee
+SHA512 (Python-3.10.21.tar.xz.asc) = 72d6aeaa0f51e527f82392cf1f969b0ad50a48fe10e8b7e5feb6117718223d00757f7b375b3ac82e257571d5a61f8162e9dd59b81fcf8f2a441c6deb42be71cb