/* future_builtins module */

/* This module provides functions that will be builtins in Python 3.0,

   but that conflict with builtins that already exist in Python

   2.x. */

#include "Python.h"

PyDoc_STRVAR(module_doc,

"This module provides functions that will be builtins in Python 3.0,\n\

but that conflict with builtins that already exist in Python 2.x.\n\

\n\

Functions:\n\

\n\

hex(arg) -- Returns the hexadecimal representation of an integer\n\

oct(arg) -- Returns the octal representation of an integer\n\

\n\

The typical usage of this module is to replace existing builtins in a\n\

module's namespace:\n \n\

from future_builtins import hex, oct\n");

static PyObject *

builtin_hex(PyObject *self, PyObject *v)

{

	return PyNumber_ToBase(v, 16);

}

PyDoc_STRVAR(hex_doc,

"hex(number) -> string\n\

\n\

Return the hexadecimal representation of an integer or long integer.");

static PyObject *

builtin_oct(PyObject *self, PyObject *v)

{

	return PyNumber_ToBase(v, 8);

}

PyDoc_STRVAR(oct_doc,

"oct(number) -> string\n\

\n\

Return the octal representation of an integer or long integer.");

static PyObject *

builtin_ascii(PyObject *self, PyObject *v)

{

	return PyObject_Repr(v);

}

PyDoc_STRVAR(ascii_doc,

"ascii(object) -> string\n\

\n\

Return the same as repr().  In Python 3.x, the repr() result will\n\

contain printable characters unescaped, while the ascii() result\n\

will have such characters backslash-escaped.");

/* List of functions exported by this module */

static PyMethodDef module_functions[] = {

 	{"hex",		builtin_hex,        METH_O, hex_doc},

 	{"oct",		builtin_oct,        METH_O, oct_doc},

	{"ascii",	builtin_ascii,      METH_O, ascii_doc},

	{NULL,		NULL}	/* Sentinel */

};

/* Initialize this module. */

PyMODINIT_FUNC

initfuture_builtins(void)

{

	PyObject *m, *itertools, *iter_func;

	char *it_funcs[] = {"imap", "ifilter", "izip", NULL};

	char **cur_func;

	m = Py_InitModule3("future_builtins", module_functions, module_doc);

	if (m == NULL)

		return;

	itertools = PyImport_ImportModuleNoBlock("itertools");

	if (itertools == NULL)

		return;

	for (cur_func = it_funcs; *cur_func; ++cur_func){

		iter_func = PyObject_GetAttrString(itertools, *cur_func);

		if (iter_func == NULL)

			return;

		PyModule_AddObject(m, *cur_func+1, iter_func);

	}

	Py_DECREF(itertools);

	/* any other initialization needed */

}