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author | Guido van Rossum <guido@python.org> | 2006-11-30 22:13:52 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 2006-11-30 22:13:52 (GMT) |
commit | 343435146a48d7922041a37bbd714fe5291523ff (patch) | |
tree | b9799138eb91a0c57bf8a6336952179622215ee3 | |
parent | 629712827b0c0cc94d1fd2433c66e6b7258a453d (diff) | |
download | cpython-343435146a48d7922041a37bbd714fe5291523ff.zip cpython-343435146a48d7922041a37bbd714fe5291523ff.tar.gz cpython-343435146a48d7922041a37bbd714fe5291523ff.tar.bz2 |
Add built-in Print() function. This is PEP 3105 except for the name;
I'll rename it to print() later.
Now I can start working on the refactoring tool for print -> Print().
Also, sep and end should be required to be strings (or Unicode?).
Someone please volunteer.
-rw-r--r-- | Python/bltinmodule.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index 94d4bc3..1a91296 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -1413,6 +1413,60 @@ equivalent to (x**y) % z, but may be more efficient (e.g. for longs)."); +static PyObject * +builtin_print(PyObject *self, PyObject *args, PyObject *kwds) +{ + static char *kwlist[] = {"sep", "end", "file", 0}; + PyObject *dummy_args = PyTuple_New(0); + PyObject *sep = NULL, *end = NULL, *file = NULL; + int i, err; + + if (dummy_args == NULL) + return NULL; + if (!PyArg_ParseTupleAndKeywords(dummy_args, kwds, "|OOO:Print", + kwlist, &sep, &end, &file)) + return NULL; + if (file == NULL || file == Py_None) + file = PySys_GetObject("stdout"); + + /* XXX Verify that sep and end are None, NULL or strings. */ + + for (i = 0; i < PyTuple_Size(args); i++) { + if (i > 0) { + if (sep == NULL || sep == Py_None) + 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 || end == Py_None) + err = PyFile_WriteString("\n", file); + else + err = PyFile_WriteObject(end, file, Py_PRINT_RAW); + if (err) + return NULL; + + Py_RETURN_NONE; +} + +PyDoc_STRVAR(print_doc, +"Print(value, ..., file=None, sep=' ', end='\\n')\n\ +\n\ +Prints the values to a stream, or to sys.stdout by default.\n\ +Optional keyword arguments:\n\ +file: a file-like object (stream); defaults to the current sys.stdout.\n\ +sep: string inserted between values, default a space.\n\ +end: string appended after the last value, default a newline."); + + /* Return number of items in range (lo, hi, step), when arguments are * PyInt or PyLong objects. step > 0 required. Return a value < 0 if * & only if the true value is too large to fit in a signed long. @@ -2014,6 +2068,7 @@ static PyMethodDef builtin_methods[] = { {"open", (PyCFunction)builtin_open, METH_VARARGS | METH_KEYWORDS, open_doc}, {"ord", builtin_ord, METH_O, ord_doc}, {"pow", builtin_pow, METH_VARARGS, pow_doc}, + {"Print", (PyCFunction)builtin_print, METH_VARARGS | METH_KEYWORDS, print_doc}, {"range", builtin_range, METH_VARARGS, range_doc}, {"reload", builtin_reload, METH_O, reload_doc}, {"repr", builtin_repr, METH_O, repr_doc}, |