http://hg.python.org/cpython/rev/08ce30768003 changeset: 83549:08ce30768003 branch: 3.3 parent: 83546:122d42d5268e user: Benjamin Peterson <benjamin@python.org> date: Mon Apr 29 09:08:14 2013 -0400 summary: raise an ImportError (rather than fatal) when __import__ is not found in __builtins__ (closes #17867) files: Lib/test/test_import.py | 7 +++++++ Misc/NEWS | 2 ++ Python/import.c | 3 ++- 3 files changed, 11 insertions(+), 1 deletions(-) diff --git a/Lib/test/test_import.py b/Lib/test/test_import.py --- a/Lib/test/test_import.py +++ b/Lib/test/test_import.py @@ -324,6 +324,13 @@ except ImportError: self.fail("fromlist must allow bogus names") + @cpython_only + def test_delete_builtins_import(self): + args = ["-c", "del __builtins__.__import__; import os"] + popen = script_helper.spawn_python(*args) + stdout, stderr = popen.communicate() + self.assertIn(b"ImportError", stdout) + @skip_if_dont_write_bytecode class FilePermissionTests(unittest.TestCase): diff --git a/Misc/NEWS b/Misc/NEWS --- a/Misc/NEWS +++ b/Misc/NEWS @@ -12,6 +12,8 @@ Core and Builtins ----------------- +- Issue #17867: Raise an ImportError if __import__ is not found in __builtins__. + - Issue #17857: Prevent build failures with pre-3.5.0 versions of sqlite3, such as was shipped with Centos 5 and Mac OS X 10.4. diff --git a/Python/import.c b/Python/import.c --- a/Python/import.c +++ b/Python/import.c @@ -1389,7 +1389,8 @@ if (builtins_import == NULL) { builtins_import = _PyDict_GetItemId(interp->builtins, &PyId___import__); if (builtins_import == NULL) { - Py_FatalError("__import__ missing"); + PyErr_SetString(PyExc_ImportError, "__import__ not found"); + goto error_with_unlock; } } Py_INCREF(builtins_import); -- Repository URL: http://hg.python.org/cpython