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bpo-34984: Improve error messages for bytes and bytearray constructors. (GH-9874)

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Serhiy Storchaka 2018-10-21 15:29:12 +03:00 • committed by GitHub
parent 914f9a078f
commit 2c2044e789
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 25 additions and 6 deletions
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24
Objects/bytearrayobject.c
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@ -783,7 +783,9 @@ bytearray_init(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
if (arg == NULL) {
if (encoding != NULL || errors != NULL) {
PyErr_SetString(PyExc_TypeError,
"encoding or errors without sequence argument");
encoding != NULL ?
"encoding without a string argument" :
"errors without a string argument");
return -1;
}
return 0;
@ -812,7 +814,9 @@ bytearray_init(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
/* If it's not unicode, there can't be encoding or errors */
if (encoding != NULL || errors != NULL) {
PyErr_SetString(PyExc_TypeError,
"encoding or errors without a string argument");
encoding != NULL ?
"encoding without a string argument" :
"errors without a string argument");
return -1;
}
@ -860,8 +864,14 @@ bytearray_init(PyByteArrayObject *self, PyObject *args, PyObject *kwds)
/* Get the iterator */
it = PyObject_GetIter(arg);
if (it == NULL)
if (it == NULL) {
if (PyErr_ExceptionMatches(PyExc_TypeError)) {
PyErr_Format(PyExc_TypeError,
"cannot convert '%.200s' object to bytearray",
arg->ob_type->tp_name);
}
return -1;
}
iternext = *Py_TYPE(it)->tp_iternext;
/* Run the iterator to exhaustion */
@ -1626,8 +1636,14 @@ bytearray_extend(PyByteArrayObject *self, PyObject *iterable_of_ints)
}
it = PyObject_GetIter(iterable_of_ints);
if (it == NULL)
if (it == NULL) {
if (PyErr_ExceptionMatches(PyExc_TypeError)) {
PyErr_Format(PyExc_TypeError,
"can't extend bytearray with %.100s",
iterable_of_ints->ob_type->tp_name);
}
return NULL;
}
/* Try to determine the length of the argument. 32 is arbitrary. */
buf_size = PyObject_LengthHint(iterable_of_ints, 32);