Update shlex from 3.13.5 (#5977)

Lib/shlex.py

@@ -305,9 +305,7 @@ class shlex:
 def split(s, comments=False, posix=True):
     """Split the string *s* using shell-like syntax."""
     if s is None:
-        import warnings
-        warnings.warn("Passing None for 's' to shlex.split() is deprecated.",
-                      DeprecationWarning, stacklevel=2)
+        raise ValueError("s argument must not be None")
     lex = shlex(s, posix=posix)
     lex.whitespace_split = True
     if not comments:
@@ -335,10 +333,7 @@ def quote(s):
 
 
 def _print_tokens(lexer):
-    while 1:
-        tt = lexer.get_token()
-        if not tt:
-            break
+    while tt := lexer.get_token():
         print("Token: " + repr(tt))
 
 if __name__ == '__main__':

Lib/test/test_shlex.py

@@ -3,7 +3,6 @@ import itertools
 import shlex
 import string
 import unittest
-from unittest import mock
 
 
 # The original test data set was from shellwords, by Hartmut Goebel.
@@ -162,18 +161,17 @@ class ShlexTest(unittest.TestCase):
             tok = lex.get_token()
         return ret
 
-    @mock.patch('sys.stdin', io.StringIO())
-    def testSplitNoneDeprecation(self):
-        with self.assertWarns(DeprecationWarning):
+    def testSplitNone(self):
+        with self.assertRaises(ValueError):
             shlex.split(None)
 
-    # TODO: RUSTPYTHON
+    # TODO: RUSTPYTHON; ValueError: Error Retrieving Value
     @unittest.expectedFailure
     def testSplitPosix(self):
         """Test data splitting with posix parser"""
         self.splitTest(self.posix_data, comments=True)
 
-    # TODO: RUSTPYTHON
+    # TODO: RUSTPYTHON; ValueError: Error Retrieving Value
     @unittest.expectedFailure
     def testCompat(self):
         """Test compatibility interface"""
@@ -315,7 +313,7 @@ class ShlexTest(unittest.TestCase):
         s = shlex.shlex("'')abc", punctuation_chars=True)
         self.assertEqual(list(s), expected)
 
-    # TODO: RUSTPYTHON
+    # TODO: RUSTPYTHON; ValueError: Error Retrieving Value
     @unittest.expectedFailure
     def testUnicodeHandling(self):
         """Test punctuation_chars and whitespace_split handle unicode."""
@@ -356,7 +354,7 @@ class ShlexTest(unittest.TestCase):
                 joined = shlex.join(split_command)
                 self.assertEqual(joined, command)
 
-    # TODO: RUSTPYTHON
+    # TODO: RUSTPYTHON; ValueError: Error Retrieving Value
     @unittest.expectedFailure
     def testJoinRoundtrip(self):
         all_data = self.data + self.posix_data