mirror of https://github.com/python/cpython
bpo-30950: Convert round() to Argument Clinic. (#2740)
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@ -2079,19 +2079,23 @@ builtin_repr(PyObject *module, PyObject *obj)
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}
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/* AC: cannot convert yet, as needs PEP 457 group support in inspect
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* or a semantic change to accept None for "ndigits"
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*/
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static PyObject *
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builtin_round(PyObject *self, PyObject *args, PyObject *kwds)
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{
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PyObject *ndigits = NULL;
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static char *kwlist[] = {"number", "ndigits", 0};
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PyObject *number, *round, *result;
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/*[clinic input]
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round as builtin_round
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if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|O:round",
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kwlist, &number, &ndigits))
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return NULL;
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number: object
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ndigits: object = NULL
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Round a number to a given precision in decimal digits.
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The return value is an integer if ndigits is omitted or None. Otherwise
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the return value has the same type as the number. ndigits may be negative.
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[clinic start generated code]*/
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static PyObject *
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builtin_round_impl(PyObject *module, PyObject *number, PyObject *ndigits)
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/*[clinic end generated code: output=ff0d9dd176c02ede input=854bc3a217530c3d]*/
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{
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PyObject *round, *result;
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if (Py_TYPE(number)->tp_dict == NULL) {
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if (PyType_Ready(Py_TYPE(number)) < 0)
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@ -2115,13 +2119,6 @@ builtin_round(PyObject *self, PyObject *args, PyObject *kwds)
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return result;
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}
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PyDoc_STRVAR(round_doc,
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"round(number[, ndigits]) -> number\n\
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\n\
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Round a number to a given precision in decimal digits (default 0 digits).\n\
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This returns an int when called with one argument, otherwise the\n\
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same type as the number. ndigits may be negative.");
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/*AC: we need to keep the kwds dict intact to easily call into the
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* list.sort method, which isn't currently supported in AC. So we just use
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@ -2679,7 +2676,7 @@ static PyMethodDef builtin_methods[] = {
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BUILTIN_POW_METHODDEF
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{"print", (PyCFunction)builtin_print, METH_FASTCALL | METH_KEYWORDS, print_doc},
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BUILTIN_REPR_METHODDEF
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{"round", (PyCFunction)builtin_round, METH_VARARGS | METH_KEYWORDS, round_doc},
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BUILTIN_ROUND_METHODDEF
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BUILTIN_SETATTR_METHODDEF
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BUILTIN_SORTED_METHODDEF
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BUILTIN_SUM_METHODDEF
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@ -573,6 +573,40 @@ PyDoc_STRVAR(builtin_repr__doc__,
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#define BUILTIN_REPR_METHODDEF \
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{"repr", (PyCFunction)builtin_repr, METH_O, builtin_repr__doc__},
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PyDoc_STRVAR(builtin_round__doc__,
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"round($module, /, number, ndigits=None)\n"
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"--\n"
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"\n"
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"Round a number to a given precision in decimal digits.\n"
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"\n"
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"The return value is an integer if ndigits is omitted or None. Otherwise\n"
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"the return value has the same type as the number. ndigits may be negative.");
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#define BUILTIN_ROUND_METHODDEF \
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{"round", (PyCFunction)builtin_round, METH_FASTCALL|METH_KEYWORDS, builtin_round__doc__},
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static PyObject *
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builtin_round_impl(PyObject *module, PyObject *number, PyObject *ndigits);
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static PyObject *
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builtin_round(PyObject *module, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
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{
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PyObject *return_value = NULL;
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static const char * const _keywords[] = {"number", "ndigits", NULL};
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static _PyArg_Parser _parser = {"O|O:round", _keywords, 0};
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PyObject *number;
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PyObject *ndigits = NULL;
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if (!_PyArg_ParseStackAndKeywords(args, nargs, kwnames, &_parser,
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&number, &ndigits)) {
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goto exit;
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}
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return_value = builtin_round_impl(module, number, ndigits);
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exit:
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return return_value;
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}
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PyDoc_STRVAR(builtin_sum__doc__,
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"sum($module, iterable, start=0, /)\n"
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"--\n"
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@ -676,4 +710,4 @@ builtin_issubclass(PyObject *module, PyObject **args, Py_ssize_t nargs)
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exit:
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return return_value;
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}
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/*[clinic end generated code: output=09752daa8cdd6ec7 input=a9049054013a1b77]*/
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/*[clinic end generated code: output=d46a224ac804eef1 input=a9049054013a1b77]*/
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