pythongh-122546: use same filename for different exceptions in new re…

…pl (python#123217)

* pythongh-122546: use same filename for different exceptions in new repl

* +1

Lib/_pyrepl/console.py

@@ -162,7 +162,7 @@ def __init__(
         self.can_colorize = _colorize.can_colorize()
 
     def showsyntaxerror(self, filename=None, **kwargs):
-        super().showsyntaxerror(**kwargs)
+        super().showsyntaxerror(filename=filename, **kwargs)
 
     def _excepthook(self, typ, value, tb):
         import traceback

Lib/code.py

@@ -109,15 +109,7 @@ def showsyntaxerror(self, filename=None, **kwargs):
         try:
             typ, value, tb = sys.exc_info()
             if filename and typ 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))
+                value.filename = filename
             source = kwargs.pop('source', "")
             self._showtraceback(typ, value, None, source)
         finally:

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)
+
     @force_not_colorized
     def test_proper_tracebacklimit(self):
         env = os.environ.copy()

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.