diff --git a/Lib/pdb.py b/Lib/pdb.py index e769ad7d26b182..8aa899f90b7d9a 100755 --- a/Lib/pdb.py +++ b/Lib/pdb.py @@ -169,7 +169,11 @@ def code(self): class ModuleTarget(str): def check(self): - pass + try: + self._details + except Exception: + traceback.print_exc() + sys.exit(1) @functools.cached_property def _details(self): diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py index 5fe75175bf72ae..5794e67aafdb1a 100644 --- a/Lib/test/test_pdb.py +++ b/Lib/test/test_pdb.py @@ -1729,6 +1729,20 @@ def test_module_without_a_main(self): self.assertIn("ImportError: No module named t_main.__main__", stdout.splitlines()) + def test_package_without_a_main(self): + pkg_name = 't_pkg' + module_name = 't_main' + os_helper.rmtree(pkg_name) + modpath = pkg_name + '/' + module_name + os.makedirs(modpath) + with open(modpath + '/__init__.py', 'w') as f: + pass + self.addCleanup(os_helper.rmtree, pkg_name) + stdout, stderr = self._run_pdb(['-m', modpath.replace('/', '.')], "") + self.assertIn( + "'t_pkg.t_main' is a package and cannot be directly executed", + stdout) + def test_blocks_at_first_code_line(self): script = """ #This is a comment, on line 2 diff --git a/Misc/NEWS.d/next/Library/2021-06-29-21-17-17.bpo-44461.acqRnV.rst b/Misc/NEWS.d/next/Library/2021-06-29-21-17-17.bpo-44461.acqRnV.rst new file mode 100644 index 00000000000000..02e25e928b9cff --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-06-29-21-17-17.bpo-44461.acqRnV.rst @@ -0,0 +1 @@ +Fix bug with :mod:`pdb`'s handling of import error due to a package which does not have a ``__main__`` module \ No newline at end of file