Python-сообщество

static PyObject *
builtin_print(PyObject *self, PyObject *args, PyObject *kwds)
{
    static char *kwlist[] = {"sep", "end", "file", "flush", 0};
    static PyObject *dummy_args;
    PyObject *sep = NULL, *end = NULL, *file = NULL, *flush = NULL;
    int i, err;

    if (dummy_args == NULL && !(dummy_args = PyTuple_New(0)))
        return NULL;
    if (!PyArg_ParseTupleAndKeywords(dummy_args, kwds, "|OOOO:print",
                                     kwlist, &sep, &end, &file, &flush))
        return NULL;
    if (file == NULL || file == Py_None) {
        file = PySys_GetObject("stdout");
        /* sys.stdout may be None when FILE* stdout isn't connected */
        if (file == Py_None)
            Py_RETURN_NONE;
    }

    if (sep == Py_None) {
        sep = NULL;
    }
    else if (sep && !PyUnicode_Check(sep)) {
        PyErr_Format(PyExc_TypeError,
                     "sep must be None or a string, not %.200s",
                     sep->ob_type->tp_name);
        return NULL;
    }
    if (end == Py_None) {
        end = NULL;
    }
    else if (end && !PyUnicode_Check(end)) {
        PyErr_Format(PyExc_TypeError,
                     "end must be None or a string, not %.200s",
                     end->ob_type->tp_name);
        return NULL;
    }

    for (i = 0; i < PyTuple_Size(args); i++) {
        if (i > 0) {
            if (sep == NULL)
                err = PyFile_WriteString(" ", file);
            else
                err = PyFile_WriteObject(sep, file,
                                         Py_PRINT_RAW);
            if (err)
                return NULL;
        }
        err = PyFile_WriteObject(PyTuple_GetItem(args, i), file,
                                 Py_PRINT_RAW);
        if (err)
            return NULL;
    }

    if (end == NULL)
        err = PyFile_WriteString("\n", file);
    else
        err = PyFile_WriteObject(end, file, Py_PRINT_RAW);
    if (err)
        return NULL;

    if (flush != NULL) {
        PyObject *tmp;
        int do_flush = PyObject_IsTrue(flush);
        if (do_flush == -1)
            return NULL;
        else if (do_flush) {
            tmp = PyObject_CallMethod(file, "flush", "");
            if (tmp == NULL)
                return NULL;
            else
                Py_DECREF(tmp);
        }
    }

    Py_RETURN_NONE;
}

git clone git://github.com/akheron/cpython