[Python-checkins] cpython (3.1): #6780: fix starts/endswith error message to mention that tuples are accepted
ezio.melotti
python-checkins at python.org
Tue Apr 26 05:45:24 CEST 2011
http://hg.python.org/cpython/rev/bcbf8c3c4a88
changeset: 69563:bcbf8c3c4a88
branch: 3.1
parent: 69559:b84384fbdbf0
user: Ezio Melotti <ezio.melotti at gmail.com>
date: Tue Apr 26 06:09:45 2011 +0300
summary:
#6780: fix starts/endswith error message to mention that tuples are accepted too.
files:
Lib/test/test_bytes.py | 16 ++++++++++++++++
Lib/test/test_unicode.py | 11 +++++++++++
Misc/NEWS | 3 +++
Objects/bytearrayobject.c | 16 ++++++++++++----
Objects/bytesobject.c | 12 ++++++++++--
Objects/unicodeobject.c | 25 ++++++++++++++++---------
6 files changed, 68 insertions(+), 15 deletions(-)
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -290,6 +290,14 @@
self.assertTrue(b.startswith(b"h"))
self.assertFalse(b.startswith(b"hellow"))
self.assertFalse(b.startswith(b"ha"))
+ try:
+ b.startswith([b'h'])
+ except TypeError as err:
+ exc = str(err)
+ else:
+ self.fail('startswith unexpectedly succeeded')
+ self.assertIn('bytes', exc)
+ self.assertIn('tuple', exc)
def test_endswith(self):
b = self.type2test(b'hello')
@@ -299,6 +307,14 @@
self.assertTrue(b.endswith(b"o"))
self.assertFalse(b.endswith(b"whello"))
self.assertFalse(b.endswith(b"no"))
+ try:
+ b.endswith([b'o'])
+ except TypeError as err:
+ exc = str(err)
+ else:
+ self.fail('endswith unexpectedly succeeded')
+ 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
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -789,6 +789,17 @@
self.assertEqual('%f' % INF, 'inf')
self.assertEqual('%F' % INF, 'INF')
+ def test_startswith_endswith_errors(self):
+ for meth in ('foo'.startswith, 'foo'.endswith):
+ try:
+ meth(['f'])
+ except TypeError as err:
+ exc = str(err)
+ else:
+ self.fail('starts/endswith unexpectedly succeeded')
+ 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
diff --git a/Misc/NEWS b/Misc/NEWS
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@
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
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -1281,7 +1281,7 @@
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)
@@ -1308,8 +1308,12 @@
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);
}
@@ -1320,7 +1324,7 @@
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)
@@ -1347,8 +1351,12 @@
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
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -2654,8 +2654,12 @@
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);
}
@@ -2694,8 +2698,12 @@
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
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1554,7 +1554,7 @@
arg = PyUnicode_FromObject(arg);
if (!arg)
return 0;
- output = PyUnicode_AsEncodedObject(arg,
+ output = PyUnicode_AsEncodedObject(arg,
Py_FileSystemDefaultEncoding,
"surrogateescape");
Py_DECREF(arg);
@@ -1569,7 +1569,7 @@
if (PyBytes_Check(output)) {
size = PyBytes_GET_SIZE(output);
data = PyBytes_AS_STRING(output);
- }
+ }
else {
size = PyByteArray_GET_SIZE(output);
data = PyByteArray_AS_STRING(output);
@@ -2148,7 +2148,7 @@
illegal prefix. See RFC 3629 for details */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 00-0F */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -2631,7 +2631,7 @@
#endif
PyObject *errorHandler = NULL;
PyObject *exc = NULL;
-
+
q = (unsigned char *)s;
e = q + size;
@@ -8743,8 +8743,12 @@
Py_RETURN_FALSE;
}
substring = (PyUnicodeObject *)PyUnicode_FromObject(subobj);
- if (substring == NULL)
- return 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);
@@ -8787,9 +8791,12 @@
Py_RETURN_FALSE;
}
substring = (PyUnicodeObject *)PyUnicode_FromObject(subobj);
- if (substring == NULL)
- return 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);
--
Repository URL: http://hg.python.org/cpython
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