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Patch #1601678: move intern() to sys.intern().

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This commit is contained in:
Georg Brandl 2006-12-19 20:50:34 +00:00
parent 376446dd4e
commit 66a796e5ab
12 changed files with 81 additions and 73 deletions
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24
Lib/test/test_builtin.py
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@ -842,30 +842,6 @@ class BuiltinTest(unittest.TestCase):
self.assertEqual(int(Foo4()), 42L)
self.assertRaises(TypeError, int, Foo5())
def test_intern(self):
self.assertRaises(TypeError, intern)
s = "never interned before"
self.assert_(intern(s) is s)
s2 = s.swapcase().swapcase()
self.assert_(intern(s2) is s)
# Subclasses of string can't be interned, because they
# provide too much opportunity for insane things to happen.
# We don't want them in the interned dict and if they aren't
# actually interned, we don't want to create the appearance
# that they are by allowing intern() to succeeed.
class S(str):
def __hash__(self):
return 123
self.assertRaises(TypeError, intern, S("abc"))
# It's still safe to pass these strings to routines that
# call intern internally, e.g. PyObject_SetAttr().
s = S("abc")
setattr(s, s, s)
self.assertEqual(getattr(s, s), s)
def test_iter(self):
self.assertRaises(TypeError, iter)
self.assertRaises(TypeError, iter, 42, 42)