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dictionary() constructor:

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+ Change keyword arg name from "x" to "items".  People passing a mapping
  object can stretch their imaginations <wink>.
+ Simplify the docstring text.
This commit is contained in:
Tim Peters 2001-10-27 18:27:48 +00:00
parent c2f011201a
commit 4d85953fe6
2 changed files with 9 additions and 11 deletions
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8
Lib/test/test_descr.py
View File

@ -178,12 +178,12 @@ def dict_constructor():
vereq(d, {})
d = dictionary({})
vereq(d, {})
d = dictionary(x={})
d = dictionary(items={})
vereq(d, {})
d = dictionary({1: 2, 'a': 'b'})
vereq(d, {1: 2, 'a': 'b'})
vereq(d, dictionary(d.items()))
vereq(d, dictionary(x=d.iteritems()))
vereq(d, dictionary(items=d.iteritems()))
for badarg in 0, 0L, 0j, "0", [0], (0,):
try:
dictionary(badarg)
@ -226,7 +226,7 @@ def dict_constructor():
Mapping.keys = lambda self: self.dict.keys()
Mapping.__getitem__ = lambda self, i: self.dict[i]
d = dictionary(x=Mapping())
d = dictionary(items=Mapping())
vereq(d, Mapping.dict)
# Init from sequence of iterable objects, each producing a 2-sequence.
@ -1865,7 +1865,7 @@ def keywords():
vereq(unicode(string='abc', errors='strict'), u'abc')
vereq(tuple(sequence=range(3)), (0, 1, 2))
vereq(list(sequence=(0, 1, 2)), range(3))
vereq(dictionary(x={1: 2}), {1: 2})
vereq(dictionary(items={1: 2}), {1: 2})
for constructor in (int, float, long, complex, str, unicode,
tuple, list, dictionary, file):

12
Objects/dictobject.c
View File

@ -1781,7 +1781,7 @@ static int
dict_init(PyObject *self, PyObject *args, PyObject *kwds)
{
PyObject *arg = NULL;
static char *kwlist[] = {"x", 0};
static char *kwlist[] = {"items", 0};
int result = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:dictionary",
@ -1807,12 +1807,10 @@ static char dictionary_doc[] =
"dictionary() -> new empty dictionary.\n"
"dictionary(mapping) -> new dict initialized from a mapping object's\n"
" (key, value) pairs.\n"
"dictionary(seq) -> new dict initialized from the 2-element elements of\n"
" a sequence; for example, from mapping.items(). seq must be an\n"
" iterable object, producing iterable objects each producing exactly\n"
" two objects, the first of which is used as a key and the second as\n"
" its value. If a given key is seen more than once, the dict retains\n"
" the last value associated with it.";
"dictionary(seq) -> new dict initialized as if via:\n"
" d = {}\n"
" for k, v in seq:\n"
" d[k] = v";
PyTypeObject PyDict_Type = {
PyObject_HEAD_INIT(&PyType_Type)