May 19, 2025 · May 19, 2025 · May 19, 2025 · May 19, 2025 · May 19, 2025 · May 19, 2025
diff --git a/Lib/_pyrepl/_module_completer.py b/Lib/_pyrepl/_module_completer.py
    def _find_modules(self, path: str, prefix: str) -> list[str]:
        if not path:
            # Top-level import (e.g. `import foo<tab>`` or `from foo<tab>`)`
            return [name for _, name, _ in self.global_cache
                    if name.startswith(prefix)]
            builtin_modules = [name for name in sys.builtin_module_names if name.startswith(prefix)]
            third_party_modules = [name for _, name, _ in self.global_cache if name.startswith(prefix)]
            return sorted(builtin_modules + third_party_modules)

        if path.startswith('.'):
            # Convert relative path to absolute path
diff --git a/Lib/test/test_pyrepl/test_pyrepl.py b/Lib/test/test_pyrepl/test_pyrepl.py
                output = reader.readline()
                self.assertEqual(output, expected)

    def test_builtin_completion_top_level(self):
        import importlib
        # Make iter_modules() search only the standard library.
        # This makes the test more reliable in case there are
        # other user packages/scripts on PYTHONPATH which can
        # intefere with the completions.
        lib_path = os.path.dirname(importlib.__path__[0])
        sys.path = [lib_path]

        cases = (
            ("import bui\t\n", "import builtins"),
            ("from bui\t\n", "from builtins"),
        )
        for code, expected in cases:
            with self.subTest(code=code):
                events = code_to_events(code)
                reader = self.prepare_reader(events, namespace={})
                output = reader.readline()
                self.assertEqual(output, expected)

    def test_relative_import_completions(self):
        cases = (
            ("from .readl\t\n", "from .readline"),
diff --git a/Misc/NEWS.d/next/Library/2025-05-19-15-05-24.gh-issue-134235.pz9PwV.rst b/Misc/NEWS.d/next/Library/2025-05-19-15-05-24.gh-issue-134235.pz9PwV.rst
 Updated tab completion on REPL to include builtin modules. Contributed by
 Tom Wang, Hunter Young
Original file line number	Diff line number	Diff line change
Expand Up		@@ -81,8 +81,9 @@ def find_modules(self, path: str, prefix: str) -> list[str]:
		def _find_modules(self, path: str, prefix: str) -> list[str]:
		if not path:
		# Top-level import (e.g. `import foo<tab>`` or `from foo<tab>`)`
		return [name for _, name, _ in self.global_cache
		if name.startswith(prefix)]
		builtin_modules = [name for name in sys.builtin_module_names if name.startswith(prefix)]
		third_party_modules = [name for _, name, _ in self.global_cache if name.startswith(prefix)]
		return sorted(builtin_modules + third_party_modules)

		if path.startswith('.'):
		# Convert relative path to absolute path
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -959,6 +959,26 @@ def test_import_completions(self):
		output = reader.readline()
		self.assertEqual(output, expected)

		def test_builtin_completion_top_level(self):
		import importlib
		# Make iter_modules() search only the standard library.
		# This makes the test more reliable in case there are
		# other user packages/scripts on PYTHONPATH which can
		# intefere with the completions.
		lib_path = os.path.dirname(importlib.__path__[0])
		sys.path = [lib_path]

		cases = (
		("import bui\t\n", "import builtins"),
		("from bui\t\n", "from builtins"),
		)
		for code, expected in cases:
		with self.subTest(code=code):
		events = code_to_events(code)
		reader = self.prepare_reader(events, namespace={})
		output = reader.readline()
		self.assertEqual(output, expected)

		def test_relative_import_completions(self):
		cases = (
		("from .readl\t\n", "from .readline"),
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Updated tab completion on REPL to include builtin modules. Contributed by
		Tom Wang, Hunter Young