bpo-34974: Do not replace unexpected errors in bytes() and bytearray(). (GH-9852)

bytes and bytearray constructors converted unexpected exceptions
(e.g. MemoryError and KeyboardInterrupt) to TypeError.
This commit is contained in:
Serhiy Storchaka 2018-10-15 00:02:57 +03:00 committed by GitHub
parent de2aea0ff0
commit e890421e33
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4 changed files with 24 additions and 5 deletions

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@ -126,8 +126,8 @@ class BaseBytesTest:
a = self.type2test(b"\x01\x02\x03")
self.assertEqual(a, b"\x01\x02\x03")
# http://bugs.python.org/issue29159
# Fallback when __index__ raises exception other than OverflowError
# Issues #29159 and #34974.
# Fallback when __index__ raises a TypeError
class B(bytes):
def __index__(self):
raise TypeError
@ -184,6 +184,20 @@ class BaseBytesTest:
except (OverflowError, MemoryError):
pass
def test_constructor_exceptions(self):
# Issue #34974: bytes and bytearray constructors replace unexpected
# exceptions.
class BadInt:
def __index__(self):
1/0
self.assertRaises(ZeroDivisionError, self.type2test, BadInt())
self.assertRaises(ZeroDivisionError, self.type2test, [BadInt()])
class BadIterable:
def __iter__(self):
1/0
self.assertRaises(ZeroDivisionError, self.type2test, BadIterable())
def test_compare(self):
b1 = self.type2test([1, 2, 3])
b2 = self.type2test([1, 2, 3])