diff options
-rw-r--r-- | Lib/test/test_bytes.py | 10 | ||||
-rw-r--r-- | Lib/test/test_unicode.py | 8 | ||||
-rw-r--r-- | Misc/NEWS | 3 | ||||
-rw-r--r-- | Objects/bytearrayobject.c | 16 | ||||
-rw-r--r-- | Objects/bytesobject.c | 12 | ||||
-rw-r--r-- | Objects/unicodeobject.c | 13 |
6 files changed, 53 insertions, 9 deletions
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py index 5c6238b..234b56c 100644 --- a/Lib/test/test_bytes.py +++ b/Lib/test/test_bytes.py @@ -305,6 +305,11 @@ class BaseBytesTest(unittest.TestCase): self.assertTrue(b.startswith(b"h")) self.assertFalse(b.startswith(b"hellow")) self.assertFalse(b.startswith(b"ha")) + with self.assertRaises(TypeError) as cm: + b.startswith([b'h']) + exc = str(cm.exception) + self.assertIn('bytes', exc) + self.assertIn('tuple', exc) def test_endswith(self): b = self.type2test(b'hello') @@ -314,6 +319,11 @@ class BaseBytesTest(unittest.TestCase): self.assertTrue(b.endswith(b"o")) self.assertFalse(b.endswith(b"whello")) self.assertFalse(b.endswith(b"no")) + with self.assertRaises(TypeError) as cm: + b.endswith([b'o']) + exc = str(cm.exception) + self.assertIn('bytes', exc) + self.assertIn('tuple', exc) def test_find(self): b = self.type2test(b'mississippi') diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index ace3736..f35458a 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -819,6 +819,14 @@ class UnicodeTest(string_tests.CommonTest, self.assertEqual('%f' % INF, 'inf') self.assertEqual('%F' % INF, 'INF') + def test_startswith_endswith_errors(self): + for meth in ('foo'.startswith, 'foo'.endswith): + with self.assertRaises(TypeError) as cm: + meth(['f']) + exc = str(cm.exception) + self.assertIn('str', exc) + self.assertIn('tuple', exc) + @support.run_with_locale('LC_ALL', 'de_DE', 'fr_FR') def test_format_float(self): # should not format with a comma, but always with C locale @@ -10,6 +10,9 @@ What's New in Python 3.3 Alpha 1? Core and Builtins ----------------- +- Issue #6780: fix starts/endswith error message to mention that tuples are + accepted too. + - Issue #5057: fix a bug in the peepholer that led to non-portable pyc files between narrow and wide builds while optimizing BINARY_SUBSCR on non-BMP chars (e.g. "\U00012345"[0]). diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c index 970a6b5..fba5758 100644 --- a/Objects/bytearrayobject.c +++ b/Objects/bytearrayobject.c @@ -1304,7 +1304,7 @@ PyDoc_STRVAR(startswith__doc__, Return True if B starts with the specified prefix, False otherwise.\n\ With optional start, test B beginning at that position.\n\ With optional end, stop comparing B at that position.\n\ -prefix can also be a tuple of strings to try."); +prefix can also be a tuple of bytes to try."); static PyObject * bytearray_startswith(PyByteArrayObject *self, PyObject *args) @@ -1331,8 +1331,12 @@ bytearray_startswith(PyByteArrayObject *self, PyObject *args) Py_RETURN_FALSE; } result = _bytearray_tailmatch(self, subobj, start, end, -1); - if (result == -1) + if (result == -1) { + if (PyErr_ExceptionMatches(PyExc_TypeError)) + PyErr_Format(PyExc_TypeError, "startswith first arg must be bytes " + "or a tuple of bytes, not %s", Py_TYPE(subobj)->tp_name); return NULL; + } else return PyBool_FromLong(result); } @@ -1343,7 +1347,7 @@ PyDoc_STRVAR(endswith__doc__, Return True if B ends with the specified suffix, False otherwise.\n\ With optional start, test B beginning at that position.\n\ With optional end, stop comparing B at that position.\n\ -suffix can also be a tuple of strings to try."); +suffix can also be a tuple of bytes to try."); static PyObject * bytearray_endswith(PyByteArrayObject *self, PyObject *args) @@ -1370,8 +1374,12 @@ bytearray_endswith(PyByteArrayObject *self, PyObject *args) Py_RETURN_FALSE; } result = _bytearray_tailmatch(self, subobj, start, end, +1); - if (result == -1) + if (result == -1) { + if (PyErr_ExceptionMatches(PyExc_TypeError)) + PyErr_Format(PyExc_TypeError, "endswith first arg must be bytes or " + "a tuple of bytes, not %s", Py_TYPE(subobj)->tp_name); return NULL; + } else return PyBool_FromLong(result); } diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c index 7561ae5..ea14be6 100644 --- a/Objects/bytesobject.c +++ b/Objects/bytesobject.c @@ -2224,8 +2224,12 @@ bytes_startswith(PyBytesObject *self, PyObject *args) Py_RETURN_FALSE; } result = _bytes_tailmatch(self, subobj, start, end, -1); - if (result == -1) + if (result == -1) { + if (PyErr_ExceptionMatches(PyExc_TypeError)) + PyErr_Format(PyExc_TypeError, "startswith first arg must be bytes " + "or a tuple of bytes, not %s", Py_TYPE(subobj)->tp_name); return NULL; + } else return PyBool_FromLong(result); } @@ -2264,8 +2268,12 @@ bytes_endswith(PyBytesObject *self, PyObject *args) Py_RETURN_FALSE; } result = _bytes_tailmatch(self, subobj, start, end, +1); - if (result == -1) + if (result == -1) { + if (PyErr_ExceptionMatches(PyExc_TypeError)) + PyErr_Format(PyExc_TypeError, "endswith first arg must be bytes or " + "a tuple of bytes, not %s", Py_TYPE(subobj)->tp_name); return NULL; + } else return PyBool_FromLong(result); } diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index efe6879..22d2137 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -9101,8 +9101,12 @@ unicode_startswith(PyUnicodeObject *self, Py_RETURN_FALSE; } substring = (PyUnicodeObject *)PyUnicode_FromObject(subobj); - if (substring == NULL) + if (substring == NULL) { + if (PyErr_ExceptionMatches(PyExc_TypeError)) + PyErr_Format(PyExc_TypeError, "startswith first arg must be str or " + "a tuple of str, not %s", Py_TYPE(subobj)->tp_name); return NULL; + } result = tailmatch(self, substring, start, end, -1); Py_DECREF(substring); return PyBool_FromLong(result); @@ -9145,9 +9149,12 @@ unicode_endswith(PyUnicodeObject *self, Py_RETURN_FALSE; } substring = (PyUnicodeObject *)PyUnicode_FromObject(subobj); - if (substring == NULL) + if (substring == NULL) { + if (PyErr_ExceptionMatches(PyExc_TypeError)) + PyErr_Format(PyExc_TypeError, "endswith first arg must be str or " + "a tuple of str, not %s", Py_TYPE(subobj)->tp_name); return NULL; - + } result = tailmatch(self, substring, start, end, +1); Py_DECREF(substring); return PyBool_FromLong(result); |