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Code Issues Releases Wiki Activity

Complete the merge for issue #29203

This commit is contained in:
Raymond Hettinger 2017-01-08 18:04:30 -08:00
parent ac7c5acf9b
commit dda44682c6
1 changed files with 18 additions and 31 deletions
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49
Modules/_functoolsmodule.c
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@ -704,8 +704,8 @@ static PyTypeObject lru_cache_type;
static PyObject *
lru_cache_make_key(PyObject *args, PyObject *kwds, int typed)
{
PyObject *key, *sorted_items;
Py_ssize_t key_size, pos, key_pos;
PyObject *key, *keyword, *value;
Py_ssize_t key_size, pos, key_pos, kwds_size;
/* short path, key will match args anyway, which is a tuple */
if (!typed && !kwds) {
@ -713,28 +713,18 @@ lru_cache_make_key(PyObject *args, PyObject *kwds, int typed)
return args;
}
if (kwds && PyDict_GET_SIZE(kwds) > 0) {
sorted_items = PyDict_Items(kwds);
if (!sorted_items)
return NULL;
if (PyList_Sort(sorted_items) < 0) {
Py_DECREF(sorted_items);
return NULL;
}
} else
sorted_items = NULL;
kwds_size = kwds ? PyDict_GET_SIZE(kwds) : 0;
assert(kwds_size >= 0);
key_size = PyTuple_GET_SIZE(args);
if (sorted_items)
key_size += PyList_GET_SIZE(sorted_items);
if (kwds_size)
key_size += kwds_size * 2 + 1;
if (typed)
key_size *= 2;
if (sorted_items)
key_size++;
key_size += PyTuple_GET_SIZE(args) + kwds_size;
key = PyTuple_New(key_size);
if (key == NULL)
goto done;
return NULL;
key_pos = 0;
for (pos = 0; pos < PyTuple_GET_SIZE(args); ++pos) {
@ -742,14 +732,16 @@ lru_cache_make_key(PyObject *args, PyObject *kwds, int typed)
Py_INCREF(item);
PyTuple_SET_ITEM(key, key_pos++, item);
}
if (sorted_items) {
if (kwds_size) {
Py_INCREF(kwd_mark);
PyTuple_SET_ITEM(key, key_pos++, kwd_mark);
for (pos = 0; pos < PyList_GET_SIZE(sorted_items); ++pos) {
PyObject *item = PyList_GET_ITEM(sorted_items, pos);
Py_INCREF(item);
PyTuple_SET_ITEM(key, key_pos++, item);
for (pos = 0; PyDict_Next(kwds, &pos, &keyword, &value);) {
Py_INCREF(keyword);
PyTuple_SET_ITEM(key, key_pos++, keyword);
Py_INCREF(value);
PyTuple_SET_ITEM(key, key_pos++, value);
}
assert(key_pos == PyTuple_GET_SIZE(args) + kwds_size * 2 + 1);
}
if (typed) {
for (pos = 0; pos < PyTuple_GET_SIZE(args); ++pos) {
@ -757,20 +749,15 @@ lru_cache_make_key(PyObject *args, PyObject *kwds, int typed)
Py_INCREF(item);
PyTuple_SET_ITEM(key, key_pos++, item);
}
if (sorted_items) {
for (pos = 0; pos < PyList_GET_SIZE(sorted_items); ++pos) {
PyObject *tp_items = PyList_GET_ITEM(sorted_items, pos);
PyObject *item = (PyObject *)Py_TYPE(PyTuple_GET_ITEM(tp_items, 1));
if (kwds_size) {
for (pos = 0; PyDict_Next(kwds, &pos, &keyword, &value);) {
PyObject *item = (PyObject *)Py_TYPE(value);
Py_INCREF(item);
PyTuple_SET_ITEM(key, key_pos++, item);
}
}
}
assert(key_pos == key_size);
done:
if (sorted_items)
Py_DECREF(sorted_items);
return key;
}