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Add keyword arg support to itertools.repeat().

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This commit is contained in:
Raymond Hettinger 2009-02-19 02:44:01 +00:00
parent 15a4950da1
commit f4bb7f2100
2 changed files with 7 additions and 7 deletions
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1
Lib/test/test_itertools.py
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@ -640,6 +640,7 @@ def product2(*args, **kwds):
self.assertNotEqual(len(set(map(id, list(product('abc', 'def'))))), 1)
def test_repeat(self):
self.assertEqual(list(repeat(object='a', times=3)), ['a', 'a', 'a'])
self.assertEqual(lzip(range(3),repeat('a')),
[(0, 'a'), (1, 'a'), (2, 'a')])
self.assertEqual(list(repeat('a', 3)), ['a', 'a', 'a'])

11
Modules/itertoolsmodule.c
View file

@ -3106,11 +3106,10 @@ repeat_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
repeatobject *ro;
PyObject *element;
Py_ssize_t cnt = -1;
static char *kwargs[] = {"object", "times", NULL};
if (type == &repeat_type && !_PyArg_NoKeywords("repeat()", kwds))
return NULL;
if (!PyArg_ParseTuple(args, "O|n:repeat", &element, &cnt))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|n:repeat", kwargs,
&element, &cnt))
return NULL;
if (PyTuple_Size(args) == 2 && cnt < 0)
@ -3178,8 +3177,8 @@ static PyMethodDef repeat_methods[] = {
};
PyDoc_STRVAR(repeat_doc,
"repeat(element [,times]) -> create an iterator which returns the element\n\
for the specified number of times. If not specified, returns the element\n\
"repeat(object [,times]) -> create an iterator which returns the object\n\
for the specified number of times. If not specified, returns the object\n\
endlessly.");
static PyTypeObject repeat_type = {