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Issue #27487: Warn if submodule already imported before runpy execution

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Also try to clarify the find_spec() error message.
This commit is contained in:
Martin Panter 2016-08-21 04:07:58 +00:00
parent 9f957705d6
commit 9c8aa9bffe
4 changed files with 52 additions and 11 deletions
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8
Lib/test/test_cmd_line_script.py
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@ -426,8 +426,9 @@ class CmdLineTest(unittest.TestCase):
# Exercise error reporting for various invalid package executions
tests = (
('builtins', br'No code object available'),
('builtins.x', br'Error while finding spec.*AttributeError'),
('builtins.x.y', br'Error while finding spec.*'
('builtins.x', br'Error while finding module specification.*'
br'AttributeError'),
('builtins.x.y', br'Error while finding module specification.*'
br'ImportError.*No module named.*not a package'),
('os.path', br'loader.*cannot handle'),
('importlib', br'No module named.*'
@ -450,7 +451,8 @@ class CmdLineTest(unittest.TestCase):
with open('test_pkg/__init__.pyc', 'wb'):
pass
err = self.check_dash_m_failure('test_pkg')
self.assertRegex(err, br'Error while finding spec.*'
self.assertRegex(err,
br'Error while finding module specification.*'
br'ImportError.*bad magic number')
self.assertNotIn(b'is a package', err)
self.assertNotIn(b'Traceback', err)