gh-126133: Only use start year in PSF copyright, remove end years (#126236)

45 files changed, 47 insertions, 50 deletions

diff --git a/Doc/conf.py b/Doc/conf.py
index 73d7d5d..738c990 100644
--- a/Doc/conf.py
+++ b/Doc/conf.py
@@ -67,10 +67,7 @@ manpages_url = 'https://manpages.debian.org/{path}'
 
 # General substitutions.
 project = 'Python'
-if sphinx.version_info[:2] >= (8, 1):
-    copyright = "2001-%Y, Python Software Foundation"
-else:
-    copyright = f"2001-{time.strftime('%Y')}, Python Software Foundation"
+copyright = "2001 Python Software Foundation"
 
 # We look for the Include/patchlevel.h file in the current Python source tree
 # and replace the values accordingly.
diff --git a/Doc/copyright.rst b/Doc/copyright.rst
index 8629ed1..9210d5f 100644
--- a/Doc/copyright.rst
+++ b/Doc/copyright.rst
@@ -4,7 +4,7 @@ Copyright
 
 Python and this documentation is:
 
-Copyright © 2001-2024 Python Software Foundation. All rights reserved.
+Copyright © 2001 Python Software Foundation. All rights reserved.
 
 Copyright © 2000 BeOpen.com. All rights reserved.
 
diff --git a/Doc/license.rst b/Doc/license.rst
index 674ac5f..428dc22 100644
--- a/Doc/license.rst
+++ b/Doc/license.rst
@@ -100,7 +100,7 @@ PSF LICENSE AGREEMENT FOR PYTHON |release|
       analyze, test, perform and/or display publicly, prepare derivative works,
       distribute, and otherwise use Python |release| alone or in any derivative
       version, provided, however, that PSF's License Agreement and PSF's notice of
-      copyright, i.e., "Copyright © 2001-2024 Python Software Foundation; All Rights
+      copyright, i.e., "Copyright © 2001 Python Software Foundation; All Rights
       Reserved" are retained in Python |release| alone or in any derivative version
       prepared by Licensee.
 
diff --git a/LICENSE b/LICENSE
index 14603b9..20cf390 100644
--- a/LICENSE
+++ b/LICENSE
@@ -83,7 +83,7 @@ grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
 analyze, test, perform and/or display publicly, prepare derivative works,
 distribute, and otherwise use Python alone or in any derivative version,
 provided, however, that PSF's License Agreement and PSF's notice of copyright,
-i.e., "Copyright (c) 2001-2024 Python Software Foundation; All Rights Reserved"
+i.e., "Copyright (c) 2001 Python Software Foundation; All Rights Reserved"
 are retained in Python alone or in any derivative version prepared by Licensee.
 
 3. In the event Licensee prepares a derivative work that is based on
diff --git a/Lib/email/__init__.py b/Lib/email/__init__.py
index 9fa4778..6d59700 100644
--- a/Lib/email/__init__.py
+++ b/Lib/email/__init__.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2007 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/_parseaddr.py b/Lib/email/_parseaddr.py
index 36625e3..8491703 100644
--- a/Lib/email/_parseaddr.py
+++ b/Lib/email/_parseaddr.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2007 Python Software Foundation
+# Copyright (C) 2002 Python Software Foundation
 # Contact: email-sig@python.org
 
 """Email address parsing code.
diff --git a/Lib/email/base64mime.py b/Lib/email/base64mime.py
index d440de9..a5a3f73 100644
--- a/Lib/email/base64mime.py
+++ b/Lib/email/base64mime.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2007 Python Software Foundation
+# Copyright (C) 2002 Python Software Foundation
 # Author: Ben Gertzfield
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/charset.py b/Lib/email/charset.py
index cfd5a0c..5036c3f 100644
--- a/Lib/email/charset.py
+++ b/Lib/email/charset.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2007 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Ben Gertzfield, Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/encoders.py b/Lib/email/encoders.py
index 17bd1ab..55741a2 100644
--- a/Lib/email/encoders.py
+++ b/Lib/email/encoders.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/errors.py b/Lib/email/errors.py
index 02aa5ec..6bc744b 100644
--- a/Lib/email/errors.py
+++ b/Lib/email/errors.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/feedparser.py b/Lib/email/feedparser.py
index 06d6b4a..b2bc4af 100644
--- a/Lib/email/feedparser.py
+++ b/Lib/email/feedparser.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2004-2006 Python Software Foundation
+# Copyright (C) 2004 Python Software Foundation
 # Authors: Baxter, Wouters and Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/generator.py b/Lib/email/generator.py
index 205caf0..ab5bd06 100644
--- a/Lib/email/generator.py
+++ b/Lib/email/generator.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2010 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/header.py b/Lib/email/header.py
index 66a1d46..113a81f 100644
--- a/Lib/email/header.py
+++ b/Lib/email/header.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2007 Python Software Foundation
+# Copyright (C) 2002 Python Software Foundation
 # Author: Ben Gertzfield, Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/iterators.py b/Lib/email/iterators.py
index 2f436ae..08ede3e 100644
--- a/Lib/email/iterators.py
+++ b/Lib/email/iterators.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/message.py b/Lib/email/message.py
index 08192c5..a58afc5 100644
--- a/Lib/email/message.py
+++ b/Lib/email/message.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2007 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/application.py b/Lib/email/mime/application.py
index f67cbad..9a9d213 100644
--- a/Lib/email/mime/application.py
+++ b/Lib/email/mime/application.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Keith Dart
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/audio.py b/Lib/email/mime/audio.py
index aa0c490..85f4a95 100644
--- a/Lib/email/mime/audio.py
+++ b/Lib/email/mime/audio.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2007 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Anthony Baxter
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/base.py b/Lib/email/mime/base.py
index f601f62..da4c6e5 100644
--- a/Lib/email/mime/base.py
+++ b/Lib/email/mime/base.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/image.py b/Lib/email/mime/image.py
index 4b7f2f9..dab9685 100644
--- a/Lib/email/mime/image.py
+++ b/Lib/email/mime/image.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/message.py b/Lib/email/mime/message.py
index 61836b5..13d9ff5 100644
--- a/Lib/email/mime/message.py
+++ b/Lib/email/mime/message.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/multipart.py b/Lib/email/mime/multipart.py
index 47fc218..1abb84d 100644
--- a/Lib/email/mime/multipart.py
+++ b/Lib/email/mime/multipart.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2006 Python Software Foundation
+# Copyright (C) 2002 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/nonmultipart.py b/Lib/email/mime/nonmultipart.py
index a41386e..5beab3a 100644
--- a/Lib/email/mime/nonmultipart.py
+++ b/Lib/email/mime/nonmultipart.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2006 Python Software Foundation
+# Copyright (C) 2002 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/mime/text.py b/Lib/email/mime/text.py
index 7672b78..aa4da7f 100644
--- a/Lib/email/mime/text.py
+++ b/Lib/email/mime/text.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/parser.py b/Lib/email/parser.py
index 475aa2b..039f03cb 100644
--- a/Lib/email/parser.py
+++ b/Lib/email/parser.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2007 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw, Thomas Wouters, Anthony Baxter
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/quoprimime.py b/Lib/email/quoprimime.py
index 500bbc5..27c7ea5 100644
--- a/Lib/email/quoprimime.py
+++ b/Lib/email/quoprimime.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2006 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Ben Gertzfield
 # Contact: email-sig@python.org
 
diff --git a/Lib/email/utils.py b/Lib/email/utils.py
index f276303..7eab74d 100644
--- a/Lib/email/utils.py
+++ b/Lib/email/utils.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2010 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Author: Barry Warsaw
 # Contact: email-sig@python.org
 
diff --git a/Lib/functools.py b/Lib/functools.py
index bde0a3e..eff6540 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -6,7 +6,7 @@
 # Written by Nick Coghlan <ncoghlan at gmail.com>,
 # Raymond Hettinger <python at rcn.com>,
 # and Łukasz Langa <lukasz at langa.pl>.
-#   Copyright (C) 2006-2024 Python Software Foundation.
+#   Copyright (C) 2006 Python Software Foundation.
 # See C source code for _functools credits/copyright
 
 __all__ = ['update_wrapper', 'wraps', 'WRAPPER_ASSIGNMENTS', 'WRAPPER_UPDATES',
diff --git a/Lib/optparse.py b/Lib/optparse.py
index 04112ec..cbe3451 100644
--- a/Lib/optparse.py
+++ b/Lib/optparse.py
@@ -43,7 +43,7 @@ __all__ = ['Option',
 
 __copyright__ = """
 Copyright (c) 2001-2006 Gregory P. Ward.  All rights reserved.
-Copyright (c) 2002-2006 Python Software Foundation.  All rights reserved.
+Copyright (c) 2002 Python Software Foundation.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index ce5c036..4af8f7f 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001,2002 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # csv package unit tests
 
 import copy
diff --git a/Lib/test/test_email/test_asian_codecs.py b/Lib/test/test_email/test_asian_codecs.py
index 1e0caee..ca44f54 100644
--- a/Lib/test/test_email/test_asian_codecs.py
+++ b/Lib/test/test_email/test_asian_codecs.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2006 Python Software Foundation
+# Copyright (C) 2002 Python Software Foundation
 # Contact: email-sig@python.org
 # email package unit tests for (optional) Asian codecs
 
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py
index 65ddbab..abe9ef2 100644
--- a/Lib/test/test_email/test_email.py
+++ b/Lib/test/test_email/test_email.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2001-2010 Python Software Foundation
+# Copyright (C) 2001 Python Software Foundation
 # Contact: email-sig@python.org
 # email package unit tests
 
diff --git a/Lib/test/test_email/torture_test.py b/Lib/test/test_email/torture_test.py
index 9cf9362..d15948a 100644
--- a/Lib/test/test_email/torture_test.py
+++ b/Lib/test/test_email/torture_test.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2004 Python Software Foundation
+# Copyright (C) 2002 Python Software Foundation
 #
 # A torture test of the email package.  This should not be run as part of the
 # standard Python test suite since it requires several meg of email messages
diff --git a/Lib/test/test_plistlib.py b/Lib/test/test_plistlib.py
index b231b05..a0c76e5 100644
--- a/Lib/test/test_plistlib.py
+++ b/Lib/test/test_plistlib.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2003-2013 Python Software Foundation
+# Copyright (C) 2003 Python Software Foundation
 import copy
 import operator
 import pickle
diff --git a/Lib/textwrap.py b/Lib/textwrap.py
index 7ca393d..1bf07aa 100644
--- a/Lib/textwrap.py
+++ b/Lib/textwrap.py
@@ -2,7 +2,7 @@
 """
 
 # Copyright (C) 1999-2001 Gregory P. Ward.
-# Copyright (C) 2002, 2003 Python Software Foundation.
+# Copyright (C) 2002 Python Software Foundation.
 # Written by Greg Ward <gward@python.net>
 
 import re
diff --git a/Lib/unittest/__init__.py b/Lib/unittest/__init__.py
index 324e5d0..78ff6bb 100644
--- a/Lib/unittest/__init__.py
+++ b/Lib/unittest/__init__.py
@@ -27,7 +27,7 @@ Further information is available in the bundled documentation, and from
   http://docs.python.org/library/unittest.html
 
 Copyright (c) 1999-2003 Steve Purcell
-Copyright (c) 2003-2010 Python Software Foundation
+Copyright (c) 2003 Python Software Foundation
 This module is free software, and you may redistribute it and/or modify
 it under the same terms as Python itself, so long as this copyright message
 and disclaimer are retained in their original form.
diff --git a/Lib/wsgiref/headers.py b/Lib/wsgiref/headers.py
index 05d2ba4..c78879f 100644
--- a/Lib/wsgiref/headers.py
+++ b/Lib/wsgiref/headers.py
@@ -1,7 +1,7 @@
 """Manage HTTP Response Headers
 
 Much of this module is red-handedly pilfered from email.message in the stdlib,
-so portions are Copyright (C) 2001,2002 Python Software Foundation, and were
+so portions are Copyright (C) 2001 Python Software Foundation, and were
 written by Barry Warsaw.
 """
 
diff --git a/Mac/BuildScript/resources/License.rtf b/Mac/BuildScript/resources/License.rtf
index 1255d1c..b5cb8ec 100644
--- a/Mac/BuildScript/resources/License.rtf
+++ b/Mac/BuildScript/resources/License.rtf
@@ -64,7 +64,7 @@ Some software incorporated into Python is under different licenses. The licenses
 \f1\b0 \
 1. This LICENSE AGREEMENT is between the Python Software Foundation ("PSF"), and the Individual or Organization ("Licensee") accessing and otherwise using this software ("Python") in source or binary form and its associated documentation.\
 \
-2. Subject to the terms and conditions of this License Agreement, PSF hereby grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce, analyze, test, perform and/or display publicly, prepare derivative works, distribute, and otherwise use Python alone or in any derivative version, provided, however, that PSF's License Agreement and PSF's notice of copyright, i.e., "Copyright \'a9 2001-2020 Python Software Foundation; All Rights Reserved" are retained in Python alone or in any derivative version prepared by Licensee.\
+2. Subject to the terms and conditions of this License Agreement, PSF hereby grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce, analyze, test, perform and/or display publicly, prepare derivative works, distribute, and otherwise use Python alone or in any derivative version, provided, however, that PSF's License Agreement and PSF's notice of copyright, i.e., "Copyright \'a9 2001 Python Software Foundation; All Rights Reserved" are retained in Python alone or in any derivative version prepared by Licensee.\
 \
 3. In the event Licensee prepares a derivative work that is based on or incorporates Python or any part thereof, and wants to make the derivative work available to others as provided herein, then Licensee hereby agrees to include in any such work a brief summary of the changes made to Python.\
 \
diff --git a/Mac/PythonLauncher/Info.plist.in b/Mac/PythonLauncher/Info.plist.in
index 2336947..ce8f27c 100644
--- a/Mac/PythonLauncher/Info.plist.in
+++ b/Mac/PythonLauncher/Info.plist.in
@@ -40,9 +40,9 @@
 	<key>CFBundleExecutable</key>
 	<string>Python Launcher</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2001-2024 Python Software Foundation</string>
+	<string>Copyright © 2001 Python Software Foundation</string>
 	<key>CFBundleGetInfoString</key>
-	<string>%VERSION%, © 2001-2024 Python Software Foundation</string>
+	<string>%VERSION%, © 2001 Python Software Foundation</string>
 	<key>CFBundleIconFile</key>
 	<string>PythonLauncher.icns</string>
 	<key>CFBundleIdentifier</key>
diff --git a/Modules/_decimal/docstrings.h b/Modules/_decimal/docstrings.h
index b34bff8..5abd7b9 100644
--- a/Modules/_decimal/docstrings.h
+++ b/Modules/_decimal/docstrings.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001-2012 Python Software Foundation. All Rights Reserved.
+ * Copyright (c) 2001 Python Software Foundation. All Rights Reserved.
  * Modified and extended by Stefan Krah.
  */
 
diff --git a/Modules/_decimal/tests/bench.py b/Modules/_decimal/tests/bench.py
index 640290f..6605e9a 100644
--- a/Modules/_decimal/tests/bench.py
+++ b/Modules/_decimal/tests/bench.py
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2001-2012 Python Software Foundation. All Rights Reserved.
+# Copyright (C) 2001 Python Software Foundation. All Rights Reserved.
 # Modified and extended by Stefan Krah.
 #
 
diff --git a/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c
index 5e0cf05..24b3806 100644
--- a/Modules/_functoolsmodule.c
+++ b/Modules/_functoolsmodule.c
@@ -18,7 +18,7 @@ class _functools._lru_cache_wrapper "PyObject *" "&lru_cache_type_spec"
 /* _functools module written and maintained
    by Hye-Shik Chang <perky@FreeBSD.org>
    with adaptations by Raymond Hettinger <python@rcn.com>
-   Copyright (c) 2004, 2005, 2006 Python Software Foundation.
+   Copyright (c) 2004 Python Software Foundation.
    All rights reserved.
 */
 
diff --git a/PC/python_ver_rc.h b/PC/python_ver_rc.h
index 08509f9..ee867fe 100644
--- a/PC/python_ver_rc.h
+++ b/PC/python_ver_rc.h
@@ -5,7 +5,7 @@
 #include "winver.h"
 
 #define PYTHON_COMPANY   "Python Software Foundation"
-#define PYTHON_COPYRIGHT "Copyright \xA9 2001-2024 Python Software Foundation. Copyright \xA9 2000 BeOpen.com. Copyright \xA9 1995-2001 CNRI. Copyright \xA9 1991-1995 SMC."
+#define PYTHON_COPYRIGHT "Copyright \xA9 2001 Python Software Foundation. Copyright \xA9 2000 BeOpen.com. Copyright \xA9 1995-2001 CNRI. Copyright \xA9 1991-1995 SMC."
 
 #define MS_WINDOWS
 #include "modsupport.h"
diff --git a/PC/store_info.txt b/PC/store_info.txt
index f6a85cb..d150ba1 100644
--- a/PC/store_info.txt
+++ b/PC/store_info.txt
@@ -109,7 +109,7 @@ PSF LICENSE AGREEMENT FOR PYTHON 3.9
    analyze, test, perform and/or display publicly, prepare derivative works,
    distribute, and otherwise use Python 3.9 alone or in any derivative
    version, provided, however, that PSF's License Agreement and PSF's notice of
-   copyright, i.e., "Copyright © 2001-2018 Python Software Foundation; All Rights
+   copyright, i.e., "Copyright © 2001 Python Software Foundation; All Rights
    Reserved" are retained in Python 3.9 alone or in any derivative version
    prepared by Licensee.
 
diff --git a/Python/getcopyright.c b/Python/getcopyright.c
index 066c2ed..964584d 100644
--- a/Python/getcopyright.c
+++ b/Python/getcopyright.c
@@ -4,7 +4,7 @@
 
 static const char cprt[] =
 "\
-Copyright (c) 2001-2024 Python Software Foundation.\n\
+Copyright (c) 2001 Python Software Foundation.\n\
 All Rights Reserved.\n\
 \n\
 Copyright (c) 2000 BeOpen.com.\n\
diff --git a/README.rst b/README.rst
index 3f69477..0134aaf 100644
--- a/README.rst
+++ b/README.rst
@@ -14,7 +14,7 @@ This is Python version 3.14.0 alpha 1
    :target: https://discuss.python.org/
 
 
-Copyright © 2001-2024 Python Software Foundation.  All rights reserved.
+Copyright © 2001 Python Software Foundation.  All rights reserved.
 
 See the end of this file for further copyright and license information.
 
@@ -215,7 +215,7 @@ Copyright and License Information
 ---------------------------------
 
 
-Copyright © 2001-2024 Python Software Foundation.  All rights reserved.
+Copyright © 2001 Python Software Foundation.  All rights reserved.
 
 Copyright © 2000 BeOpen.com.  All rights reserved.