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-rw-r--r--Lib/runpy.py2
-rw-r--r--Lib/test/test_cmd_line_script.py13
2 files changed, 15 insertions, 0 deletions
diff --git a/Lib/runpy.py b/Lib/runpy.py
index c98af19..af6205d 100644
--- a/Lib/runpy.py
+++ b/Lib/runpy.py
@@ -132,6 +132,8 @@ def _get_module_details(mod_name, error=ImportError):
pkg_main_name = mod_name + ".__main__"
return _get_module_details(pkg_main_name, error)
except error as e:
+ if mod_name not in sys.modules:
+ raise # No module loaded; being a package is irrelevant
raise error(("%s; %r is a package and cannot " +
"be directly executed") %(e, mod_name))
loader = spec.loader
diff --git a/Lib/test/test_cmd_line_script.py b/Lib/test/test_cmd_line_script.py
index 96711d6..afac62a 100644
--- a/Lib/test/test_cmd_line_script.py
+++ b/Lib/test/test_cmd_line_script.py
@@ -442,6 +442,19 @@ class CmdLineTest(unittest.TestCase):
self.assertRegex(err, regex)
self.assertNotIn(b'Traceback', err)
+ def test_dash_m_bad_pyc(self):
+ with support.temp_dir() as script_dir, \
+ support.change_cwd(path=script_dir):
+ os.mkdir('test_pkg')
+ # Create invalid *.pyc as empty file
+ with open('test_pkg/__init__.pyc', 'wb'):
+ pass
+ err = self.check_dash_m_failure('test_pkg')
+ self.assertRegex(err, br'Error while finding spec.*'
+ br'ImportError.*bad magic number')
+ self.assertNotIn(b'is a package', err)
+ self.assertNotIn(b'Traceback', err)
+
def test_dash_m_init_traceback(self):
# These were wrapped in an ImportError and tracebacks were
# suppressed; see Issue 14285