| |
| /* 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; |
| |
| /* If anything in the following loop fails, we fall through. */ |
| for (cur_func = it_funcs; *cur_func; ++cur_func){ |
| iter_func = PyObject_GetAttrString(itertools, *cur_func); |
| if (iter_func == NULL || |
| PyModule_AddObject(m, *cur_func+1, iter_func) < 0) |
| break; |
| } |
| Py_DECREF(itertools); |
| /* any other initialization needed */ |
| } |