[3.13] gh-122546: use same filename for different exceptions in new repl (GH-123217) (#123226)

Author: skirpichev

Lib/_pyrepl/console.py

@@ -162,7 +162,7 @@ def __init__(
         self.can_colorize = _colorize.can_colorize()
 
     def showsyntaxerror(self, filename=None, **kwargs):
-        super().showsyntaxerror(colorize=self.can_colorize, **kwargs)
+        super().showsyntaxerror(filename=filename, **kwargs)
 
     def showtraceback(self):
         super().showtraceback(colorize=self.can_colorize)

Lib/code.py

@@ -113,16 +113,7 @@ def showsyntaxerror(self, filename=None, **kwargs):
         sys.last_value = value
         sys.last_traceback = tb
         if filename and type is SyntaxError:
-            # Work hard to stuff the correct filename in the exception
-            try:
-                msg, (dummy_filename, lineno, offset, line) = value.args
-            except ValueError:
-                # Not the format we expect; leave it alone
-                pass
-            else:
-                # Stuff in the right filename
-                value = SyntaxError(msg, (filename, lineno, offset, line))
-                sys.last_exc = sys.last_value = value
+            value.filename = filename
         # Set the line of text that the exception refers to
         source = kwargs.pop('source', '')
         lines = source.splitlines()

Lib/test/test_pyrepl/test_pyrepl.py

@@ -1100,6 +1100,16 @@ def test_not_wiping_history_file(self):
         self.assertIn("spam", output)
         self.assertNotEqual(pathlib.Path(hfile.name).stat().st_size, 0)
 
+    @force_not_colorized
+    def test_correct_filename_in_syntaxerrors(self):
+        env = os.environ.copy()
+        commands = "a b c\nexit()\n"
+        output, exit_code = self.run_repl(commands, env=env)
+        if "can't use pyrepl" in output:
+            self.skipTest("pyrepl not available")
+        self.assertIn("SyntaxError: invalid syntax", output)
+        self.assertIn("<python-input-0>", output)
+
     def run_repl(
         self,
         repl_input: str | list[str],

Misc/NEWS.d/next/Library/2024-08-22-11-25-19.gh-issue-122546.BSmeE7.rst

@@ -0,0 +1,2 @@
+Consistently use same file name for different exceptions in the new repl.
+Patch by Sergey B Kirpichev.