| /* Built-in functions */ | 
 |  | 
 | #include "Python.h" | 
 | #include "Python-ast.h" | 
 |  | 
 | #include "node.h" | 
 | #include "code.h" | 
 |  | 
 | #include "asdl.h" | 
 | #include "ast.h" | 
 |  | 
 | #include <ctype.h> | 
 |  | 
 | _Py_IDENTIFIER(__builtins__); | 
 | _Py_IDENTIFIER(__dict__); | 
 | _Py_IDENTIFIER(__prepare__); | 
 | _Py_IDENTIFIER(__round__); | 
 | _Py_IDENTIFIER(__mro_entries__); | 
 | _Py_IDENTIFIER(encoding); | 
 | _Py_IDENTIFIER(errors); | 
 | _Py_IDENTIFIER(fileno); | 
 | _Py_IDENTIFIER(flush); | 
 | _Py_IDENTIFIER(metaclass); | 
 | _Py_IDENTIFIER(sort); | 
 | _Py_IDENTIFIER(stdin); | 
 | _Py_IDENTIFIER(stdout); | 
 | _Py_IDENTIFIER(stderr); | 
 |  | 
 | #include "clinic/bltinmodule.c.h" | 
 |  | 
 | static PyObject* | 
 | update_bases(PyObject *bases, PyObject *const *args, Py_ssize_t nargs) | 
 | { | 
 |     Py_ssize_t i, j; | 
 |     PyObject *base, *meth, *new_base, *result, *new_bases = NULL; | 
 |     PyObject *stack[1] = {bases}; | 
 |     assert(PyTuple_Check(bases)); | 
 |  | 
 |     for (i = 0; i < nargs; i++) { | 
 |         base  = args[i]; | 
 |         if (PyType_Check(base)) { | 
 |             if (new_bases) { | 
 |                 /* If we already have made a replacement, then we append every normal base, | 
 |                    otherwise just skip it. */ | 
 |                 if (PyList_Append(new_bases, base) < 0) { | 
 |                     goto error; | 
 |                 } | 
 |             } | 
 |             continue; | 
 |         } | 
 |         if (_PyObject_LookupAttrId(base, &PyId___mro_entries__, &meth) < 0) { | 
 |             goto error; | 
 |         } | 
 |         if (!meth) { | 
 |             if (new_bases) { | 
 |                 if (PyList_Append(new_bases, base) < 0) { | 
 |                     goto error; | 
 |                 } | 
 |             } | 
 |             continue; | 
 |         } | 
 |         new_base = _PyObject_FastCall(meth, stack, 1); | 
 |         Py_DECREF(meth); | 
 |         if (!new_base) { | 
 |             goto error; | 
 |         } | 
 |         if (!PyTuple_Check(new_base)) { | 
 |             PyErr_SetString(PyExc_TypeError, | 
 |                             "__mro_entries__ must return a tuple"); | 
 |             Py_DECREF(new_base); | 
 |             goto error; | 
 |         } | 
 |         if (!new_bases) { | 
 |             /* If this is a first successful replacement, create new_bases list and | 
 |                copy previously encountered bases. */ | 
 |             if (!(new_bases = PyList_New(i))) { | 
 |                 goto error; | 
 |             } | 
 |             for (j = 0; j < i; j++) { | 
 |                 base = args[j]; | 
 |                 PyList_SET_ITEM(new_bases, j, base); | 
 |                 Py_INCREF(base); | 
 |             } | 
 |         } | 
 |         j = PyList_GET_SIZE(new_bases); | 
 |         if (PyList_SetSlice(new_bases, j, j, new_base) < 0) { | 
 |             goto error; | 
 |         } | 
 |         Py_DECREF(new_base); | 
 |     } | 
 |     if (!new_bases) { | 
 |         return bases; | 
 |     } | 
 |     result = PyList_AsTuple(new_bases); | 
 |     Py_DECREF(new_bases); | 
 |     return result; | 
 |  | 
 | error: | 
 |     Py_XDECREF(new_bases); | 
 |     return NULL; | 
 | } | 
 |  | 
 | /* AC: cannot convert yet, waiting for *args support */ | 
 | static PyObject * | 
 | builtin___build_class__(PyObject *self, PyObject *const *args, Py_ssize_t nargs, | 
 |                         PyObject *kwnames) | 
 | { | 
 |     PyObject *func, *name, *bases, *mkw, *meta, *winner, *prep, *ns, *orig_bases; | 
 |     PyObject *cls = NULL, *cell = NULL; | 
 |     int isclass = 0;   /* initialize to prevent gcc warning */ | 
 |  | 
 |     if (nargs < 2) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |                         "__build_class__: not enough arguments"); | 
 |         return NULL; | 
 |     } | 
 |     func = args[0];   /* Better be callable */ | 
 |     if (!PyFunction_Check(func)) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |                         "__build_class__: func must be a function"); | 
 |         return NULL; | 
 |     } | 
 |     name = args[1]; | 
 |     if (!PyUnicode_Check(name)) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |                         "__build_class__: name is not a string"); | 
 |         return NULL; | 
 |     } | 
 |     orig_bases = _PyStack_AsTupleSlice(args, nargs, 2, nargs); | 
 |     if (orig_bases == NULL) | 
 |         return NULL; | 
 |  | 
 |     bases = update_bases(orig_bases, args + 2, nargs - 2); | 
 |     if (bases == NULL) { | 
 |         Py_DECREF(orig_bases); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     if (kwnames == NULL) { | 
 |         meta = NULL; | 
 |         mkw = NULL; | 
 |     } | 
 |     else { | 
 |         mkw = _PyStack_AsDict(args + nargs, kwnames); | 
 |         if (mkw == NULL) { | 
 |             Py_DECREF(bases); | 
 |             return NULL; | 
 |         } | 
 |  | 
 |         meta = _PyDict_GetItemId(mkw, &PyId_metaclass); | 
 |         if (meta != NULL) { | 
 |             Py_INCREF(meta); | 
 |             if (_PyDict_DelItemId(mkw, &PyId_metaclass) < 0) { | 
 |                 Py_DECREF(meta); | 
 |                 Py_DECREF(mkw); | 
 |                 Py_DECREF(bases); | 
 |                 return NULL; | 
 |             } | 
 |             /* metaclass is explicitly given, check if it's indeed a class */ | 
 |             isclass = PyType_Check(meta); | 
 |         } | 
 |     } | 
 |     if (meta == NULL) { | 
 |         /* if there are no bases, use type: */ | 
 |         if (PyTuple_GET_SIZE(bases) == 0) { | 
 |             meta = (PyObject *) (&PyType_Type); | 
 |         } | 
 |         /* else get the type of the first base */ | 
 |         else { | 
 |             PyObject *base0 = PyTuple_GET_ITEM(bases, 0); | 
 |             meta = (PyObject *) (base0->ob_type); | 
 |         } | 
 |         Py_INCREF(meta); | 
 |         isclass = 1;  /* meta is really a class */ | 
 |     } | 
 |  | 
 |     if (isclass) { | 
 |         /* meta is really a class, so check for a more derived | 
 |            metaclass, or possible metaclass conflicts: */ | 
 |         winner = (PyObject *)_PyType_CalculateMetaclass((PyTypeObject *)meta, | 
 |                                                         bases); | 
 |         if (winner == NULL) { | 
 |             Py_DECREF(meta); | 
 |             Py_XDECREF(mkw); | 
 |             Py_DECREF(bases); | 
 |             return NULL; | 
 |         } | 
 |         if (winner != meta) { | 
 |             Py_DECREF(meta); | 
 |             meta = winner; | 
 |             Py_INCREF(meta); | 
 |         } | 
 |     } | 
 |     /* else: meta is not a class, so we cannot do the metaclass | 
 |        calculation, so we will use the explicitly given object as it is */ | 
 |     if (_PyObject_LookupAttrId(meta, &PyId___prepare__, &prep) < 0) { | 
 |         ns = NULL; | 
 |     } | 
 |     else if (prep == NULL) { | 
 |         ns = PyDict_New(); | 
 |     } | 
 |     else { | 
 |         PyObject *pargs[2] = {name, bases}; | 
 |         ns = _PyObject_FastCallDict(prep, pargs, 2, mkw); | 
 |         Py_DECREF(prep); | 
 |     } | 
 |     if (ns == NULL) { | 
 |         Py_DECREF(meta); | 
 |         Py_XDECREF(mkw); | 
 |         Py_DECREF(bases); | 
 |         return NULL; | 
 |     } | 
 |     if (!PyMapping_Check(ns)) { | 
 |         PyErr_Format(PyExc_TypeError, | 
 |                      "%.200s.__prepare__() must return a mapping, not %.200s", | 
 |                      isclass ? ((PyTypeObject *)meta)->tp_name : "<metaclass>", | 
 |                      Py_TYPE(ns)->tp_name); | 
 |         goto error; | 
 |     } | 
 |     cell = PyEval_EvalCodeEx(PyFunction_GET_CODE(func), PyFunction_GET_GLOBALS(func), ns, | 
 |                              NULL, 0, NULL, 0, NULL, 0, NULL, | 
 |                              PyFunction_GET_CLOSURE(func)); | 
 |     if (cell != NULL) { | 
 |         if (bases != orig_bases) { | 
 |             if (PyMapping_SetItemString(ns, "__orig_bases__", orig_bases) < 0) { | 
 |                 goto error; | 
 |             } | 
 |         } | 
 |         PyObject *margs[3] = {name, bases, ns}; | 
 |         cls = _PyObject_FastCallDict(meta, margs, 3, mkw); | 
 |         if (cls != NULL && PyType_Check(cls) && PyCell_Check(cell)) { | 
 |             PyObject *cell_cls = PyCell_GET(cell); | 
 |             if (cell_cls != cls) { | 
 |                 if (cell_cls == NULL) { | 
 |                     const char *msg = | 
 |                         "__class__ not set defining %.200R as %.200R. " | 
 |                         "Was __classcell__ propagated to type.__new__?"; | 
 |                     PyErr_Format(PyExc_RuntimeError, msg, name, cls); | 
 |                 } else { | 
 |                     const char *msg = | 
 |                         "__class__ set to %.200R defining %.200R as %.200R"; | 
 |                     PyErr_Format(PyExc_TypeError, msg, cell_cls, name, cls); | 
 |                 } | 
 |                 Py_DECREF(cls); | 
 |                 cls = NULL; | 
 |                 goto error; | 
 |             } | 
 |         } | 
 |     } | 
 | error: | 
 |     Py_XDECREF(cell); | 
 |     Py_DECREF(ns); | 
 |     Py_DECREF(meta); | 
 |     Py_XDECREF(mkw); | 
 |     Py_DECREF(bases); | 
 |     if (bases != orig_bases) { | 
 |         Py_DECREF(orig_bases); | 
 |     } | 
 |     return cls; | 
 | } | 
 |  | 
 | PyDoc_STRVAR(build_class_doc, | 
 | "__build_class__(func, name, *bases, metaclass=None, **kwds) -> class\n\ | 
 | \n\ | 
 | Internal helper function used by the class statement."); | 
 |  | 
 | static PyObject * | 
 | builtin___import__(PyObject *self, PyObject *args, PyObject *kwds) | 
 | { | 
 |     static char *kwlist[] = {"name", "globals", "locals", "fromlist", | 
 |                              "level", 0}; | 
 |     PyObject *name, *globals = NULL, *locals = NULL, *fromlist = NULL; | 
 |     int level = 0; | 
 |  | 
 |     if (!PyArg_ParseTupleAndKeywords(args, kwds, "U|OOOi:__import__", | 
 |                     kwlist, &name, &globals, &locals, &fromlist, &level)) | 
 |         return NULL; | 
 |     return PyImport_ImportModuleLevelObject(name, globals, locals, | 
 |                                             fromlist, level); | 
 | } | 
 |  | 
 | PyDoc_STRVAR(import_doc, | 
 | "__import__(name, globals=None, locals=None, fromlist=(), level=0) -> module\n\ | 
 | \n\ | 
 | Import a module. Because this function is meant for use by the Python\n\ | 
 | interpreter and not for general use, it is better to use\n\ | 
 | importlib.import_module() to programmatically import a module.\n\ | 
 | \n\ | 
 | The globals argument is only used to determine the context;\n\ | 
 | they are not modified.  The locals argument is unused.  The fromlist\n\ | 
 | should be a list of names to emulate ``from name import ...'', or an\n\ | 
 | empty list to emulate ``import name''.\n\ | 
 | When importing a module from a package, note that __import__('A.B', ...)\n\ | 
 | returns package A when fromlist is empty, but its submodule B when\n\ | 
 | fromlist is not empty.  The level argument is used to determine whether to\n\ | 
 | perform absolute or relative imports: 0 is absolute, while a positive number\n\ | 
 | is the number of parent directories to search relative to the current module."); | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | abs as builtin_abs | 
 |  | 
 |     x: object | 
 |     / | 
 |  | 
 | Return the absolute value of the argument. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_abs(PyObject *module, PyObject *x) | 
 | /*[clinic end generated code: output=b1b433b9e51356f5 input=bed4ca14e29c20d1]*/ | 
 | { | 
 |     return PyNumber_Absolute(x); | 
 | } | 
 |  | 
 | /*[clinic input] | 
 | all as builtin_all | 
 |  | 
 |     iterable: object | 
 |     / | 
 |  | 
 | Return True if bool(x) is True for all values x in the iterable. | 
 |  | 
 | If the iterable is empty, return True. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_all(PyObject *module, PyObject *iterable) | 
 | /*[clinic end generated code: output=ca2a7127276f79b3 input=1a7c5d1bc3438a21]*/ | 
 | { | 
 |     PyObject *it, *item; | 
 |     PyObject *(*iternext)(PyObject *); | 
 |     int cmp; | 
 |  | 
 |     it = PyObject_GetIter(iterable); | 
 |     if (it == NULL) | 
 |         return NULL; | 
 |     iternext = *Py_TYPE(it)->tp_iternext; | 
 |  | 
 |     for (;;) { | 
 |         item = iternext(it); | 
 |         if (item == NULL) | 
 |             break; | 
 |         cmp = PyObject_IsTrue(item); | 
 |         Py_DECREF(item); | 
 |         if (cmp < 0) { | 
 |             Py_DECREF(it); | 
 |             return NULL; | 
 |         } | 
 |         if (cmp == 0) { | 
 |             Py_DECREF(it); | 
 |             Py_RETURN_FALSE; | 
 |         } | 
 |     } | 
 |     Py_DECREF(it); | 
 |     if (PyErr_Occurred()) { | 
 |         if (PyErr_ExceptionMatches(PyExc_StopIteration)) | 
 |             PyErr_Clear(); | 
 |         else | 
 |             return NULL; | 
 |     } | 
 |     Py_RETURN_TRUE; | 
 | } | 
 |  | 
 | /*[clinic input] | 
 | any as builtin_any | 
 |  | 
 |     iterable: object | 
 |     / | 
 |  | 
 | Return True if bool(x) is True for any x in the iterable. | 
 |  | 
 | If the iterable is empty, return False. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_any(PyObject *module, PyObject *iterable) | 
 | /*[clinic end generated code: output=fa65684748caa60e input=41d7451c23384f24]*/ | 
 | { | 
 |     PyObject *it, *item; | 
 |     PyObject *(*iternext)(PyObject *); | 
 |     int cmp; | 
 |  | 
 |     it = PyObject_GetIter(iterable); | 
 |     if (it == NULL) | 
 |         return NULL; | 
 |     iternext = *Py_TYPE(it)->tp_iternext; | 
 |  | 
 |     for (;;) { | 
 |         item = iternext(it); | 
 |         if (item == NULL) | 
 |             break; | 
 |         cmp = PyObject_IsTrue(item); | 
 |         Py_DECREF(item); | 
 |         if (cmp < 0) { | 
 |             Py_DECREF(it); | 
 |             return NULL; | 
 |         } | 
 |         if (cmp > 0) { | 
 |             Py_DECREF(it); | 
 |             Py_RETURN_TRUE; | 
 |         } | 
 |     } | 
 |     Py_DECREF(it); | 
 |     if (PyErr_Occurred()) { | 
 |         if (PyErr_ExceptionMatches(PyExc_StopIteration)) | 
 |             PyErr_Clear(); | 
 |         else | 
 |             return NULL; | 
 |     } | 
 |     Py_RETURN_FALSE; | 
 | } | 
 |  | 
 | /*[clinic input] | 
 | ascii as builtin_ascii | 
 |  | 
 |     obj: object | 
 |     / | 
 |  | 
 | Return an ASCII-only representation of an object. | 
 |  | 
 | As repr(), return a string containing a printable representation of an | 
 | object, but escape the non-ASCII characters in the string returned by | 
 | repr() using \\x, \\u or \\U escapes. This generates a string similar | 
 | to that returned by repr() in Python 2. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_ascii(PyObject *module, PyObject *obj) | 
 | /*[clinic end generated code: output=6d37b3f0984c7eb9 input=4c62732e1b3a3cc9]*/ | 
 | { | 
 |     return PyObject_ASCII(obj); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | bin as builtin_bin | 
 |  | 
 |     number: object | 
 |     / | 
 |  | 
 | Return the binary representation of an integer. | 
 |  | 
 |    >>> bin(2796202) | 
 |    '0b1010101010101010101010' | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_bin(PyObject *module, PyObject *number) | 
 | /*[clinic end generated code: output=b6fc4ad5e649f4f7 input=53f8a0264bacaf90]*/ | 
 | { | 
 |     return PyNumber_ToBase(number, 2); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | callable as builtin_callable | 
 |  | 
 |     obj: object | 
 |     / | 
 |  | 
 | Return whether the object is callable (i.e., some kind of function). | 
 |  | 
 | Note that classes are callable, as are instances of classes with a | 
 | __call__() method. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_callable(PyObject *module, PyObject *obj) | 
 | /*[clinic end generated code: output=2b095d59d934cb7e input=1423bab99cc41f58]*/ | 
 | { | 
 |     return PyBool_FromLong((long)PyCallable_Check(obj)); | 
 | } | 
 |  | 
 | static PyObject * | 
 | builtin_breakpoint(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *keywords) | 
 | { | 
 |     PyObject *hook = PySys_GetObject("breakpointhook"); | 
 |  | 
 |     if (hook == NULL) { | 
 |         PyErr_SetString(PyExc_RuntimeError, "lost sys.breakpointhook"); | 
 |         return NULL; | 
 |     } | 
 |     Py_INCREF(hook); | 
 |     PyObject *retval = _PyObject_FastCallKeywords(hook, args, nargs, keywords); | 
 |     Py_DECREF(hook); | 
 |     return retval; | 
 | } | 
 |  | 
 | PyDoc_STRVAR(breakpoint_doc, | 
 | "breakpoint(*args, **kws)\n\ | 
 | \n\ | 
 | Call sys.breakpointhook(*args, **kws).  sys.breakpointhook() must accept\n\ | 
 | whatever arguments are passed.\n\ | 
 | \n\ | 
 | By default, this drops you into the pdb debugger."); | 
 |  | 
 | typedef struct { | 
 |     PyObject_HEAD | 
 |     PyObject *func; | 
 |     PyObject *it; | 
 | } filterobject; | 
 |  | 
 | static PyObject * | 
 | filter_new(PyTypeObject *type, PyObject *args, PyObject *kwds) | 
 | { | 
 |     PyObject *func, *seq; | 
 |     PyObject *it; | 
 |     filterobject *lz; | 
 |  | 
 |     if (type == &PyFilter_Type && !_PyArg_NoKeywords("filter", kwds)) | 
 |         return NULL; | 
 |  | 
 |     if (!PyArg_UnpackTuple(args, "filter", 2, 2, &func, &seq)) | 
 |         return NULL; | 
 |  | 
 |     /* Get iterator. */ | 
 |     it = PyObject_GetIter(seq); | 
 |     if (it == NULL) | 
 |         return NULL; | 
 |  | 
 |     /* create filterobject structure */ | 
 |     lz = (filterobject *)type->tp_alloc(type, 0); | 
 |     if (lz == NULL) { | 
 |         Py_DECREF(it); | 
 |         return NULL; | 
 |     } | 
 |     Py_INCREF(func); | 
 |     lz->func = func; | 
 |     lz->it = it; | 
 |  | 
 |     return (PyObject *)lz; | 
 | } | 
 |  | 
 | static void | 
 | filter_dealloc(filterobject *lz) | 
 | { | 
 |     PyObject_GC_UnTrack(lz); | 
 |     Py_XDECREF(lz->func); | 
 |     Py_XDECREF(lz->it); | 
 |     Py_TYPE(lz)->tp_free(lz); | 
 | } | 
 |  | 
 | static int | 
 | filter_traverse(filterobject *lz, visitproc visit, void *arg) | 
 | { | 
 |     Py_VISIT(lz->it); | 
 |     Py_VISIT(lz->func); | 
 |     return 0; | 
 | } | 
 |  | 
 | static PyObject * | 
 | filter_next(filterobject *lz) | 
 | { | 
 |     PyObject *item; | 
 |     PyObject *it = lz->it; | 
 |     long ok; | 
 |     PyObject *(*iternext)(PyObject *); | 
 |     int checktrue = lz->func == Py_None || lz->func == (PyObject *)&PyBool_Type; | 
 |  | 
 |     iternext = *Py_TYPE(it)->tp_iternext; | 
 |     for (;;) { | 
 |         item = iternext(it); | 
 |         if (item == NULL) | 
 |             return NULL; | 
 |  | 
 |         if (checktrue) { | 
 |             ok = PyObject_IsTrue(item); | 
 |         } else { | 
 |             PyObject *good; | 
 |             good = PyObject_CallFunctionObjArgs(lz->func, item, NULL); | 
 |             if (good == NULL) { | 
 |                 Py_DECREF(item); | 
 |                 return NULL; | 
 |             } | 
 |             ok = PyObject_IsTrue(good); | 
 |             Py_DECREF(good); | 
 |         } | 
 |         if (ok > 0) | 
 |             return item; | 
 |         Py_DECREF(item); | 
 |         if (ok < 0) | 
 |             return NULL; | 
 |     } | 
 | } | 
 |  | 
 | static PyObject * | 
 | filter_reduce(filterobject *lz, PyObject *Py_UNUSED(ignored)) | 
 | { | 
 |     return Py_BuildValue("O(OO)", Py_TYPE(lz), lz->func, lz->it); | 
 | } | 
 |  | 
 | PyDoc_STRVAR(reduce_doc, "Return state information for pickling."); | 
 |  | 
 | static PyMethodDef filter_methods[] = { | 
 |     {"__reduce__",   (PyCFunction)filter_reduce,   METH_NOARGS, reduce_doc}, | 
 |     {NULL,           NULL}           /* sentinel */ | 
 | }; | 
 |  | 
 | PyDoc_STRVAR(filter_doc, | 
 | "filter(function or None, iterable) --> filter object\n\ | 
 | \n\ | 
 | Return an iterator yielding those items of iterable for which function(item)\n\ | 
 | is true. If function is None, return the items that are true."); | 
 |  | 
 | PyTypeObject PyFilter_Type = { | 
 |     PyVarObject_HEAD_INIT(&PyType_Type, 0) | 
 |     "filter",                           /* tp_name */ | 
 |     sizeof(filterobject),               /* tp_basicsize */ | 
 |     0,                                  /* tp_itemsize */ | 
 |     /* methods */ | 
 |     (destructor)filter_dealloc,         /* tp_dealloc */ | 
 |     0,                                  /* tp_print */ | 
 |     0,                                  /* tp_getattr */ | 
 |     0,                                  /* tp_setattr */ | 
 |     0,                                  /* tp_reserved */ | 
 |     0,                                  /* tp_repr */ | 
 |     0,                                  /* tp_as_number */ | 
 |     0,                                  /* tp_as_sequence */ | 
 |     0,                                  /* tp_as_mapping */ | 
 |     0,                                  /* tp_hash */ | 
 |     0,                                  /* tp_call */ | 
 |     0,                                  /* tp_str */ | 
 |     PyObject_GenericGetAttr,            /* tp_getattro */ | 
 |     0,                                  /* tp_setattro */ | 
 |     0,                                  /* tp_as_buffer */ | 
 |     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | | 
 |         Py_TPFLAGS_BASETYPE,            /* tp_flags */ | 
 |     filter_doc,                         /* tp_doc */ | 
 |     (traverseproc)filter_traverse,      /* tp_traverse */ | 
 |     0,                                  /* tp_clear */ | 
 |     0,                                  /* tp_richcompare */ | 
 |     0,                                  /* tp_weaklistoffset */ | 
 |     PyObject_SelfIter,                  /* tp_iter */ | 
 |     (iternextfunc)filter_next,          /* tp_iternext */ | 
 |     filter_methods,                     /* tp_methods */ | 
 |     0,                                  /* tp_members */ | 
 |     0,                                  /* tp_getset */ | 
 |     0,                                  /* tp_base */ | 
 |     0,                                  /* tp_dict */ | 
 |     0,                                  /* tp_descr_get */ | 
 |     0,                                  /* tp_descr_set */ | 
 |     0,                                  /* tp_dictoffset */ | 
 |     0,                                  /* tp_init */ | 
 |     PyType_GenericAlloc,                /* tp_alloc */ | 
 |     filter_new,                         /* tp_new */ | 
 |     PyObject_GC_Del,                    /* tp_free */ | 
 | }; | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | format as builtin_format | 
 |  | 
 |     value: object | 
 |     format_spec: unicode(c_default="NULL") = '' | 
 |     / | 
 |  | 
 | Return value.__format__(format_spec) | 
 |  | 
 | format_spec defaults to the empty string. | 
 | See the Format Specification Mini-Language section of help('FORMATTING') for | 
 | details. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_format_impl(PyObject *module, PyObject *value, PyObject *format_spec) | 
 | /*[clinic end generated code: output=2f40bdfa4954b077 input=88339c93ea522b33]*/ | 
 | { | 
 |     return PyObject_Format(value, format_spec); | 
 | } | 
 |  | 
 | /*[clinic input] | 
 | chr as builtin_chr | 
 |  | 
 |     i: int | 
 |     / | 
 |  | 
 | Return a Unicode string of one character with ordinal i; 0 <= i <= 0x10ffff. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_chr_impl(PyObject *module, int i) | 
 | /*[clinic end generated code: output=c733afcd200afcb7 input=3f604ef45a70750d]*/ | 
 | { | 
 |     return PyUnicode_FromOrdinal(i); | 
 | } | 
 |  | 
 |  | 
 | static const char * | 
 | source_as_string(PyObject *cmd, const char *funcname, const char *what, PyCompilerFlags *cf, PyObject **cmd_copy) | 
 | { | 
 |     const char *str; | 
 |     Py_ssize_t size; | 
 |     Py_buffer view; | 
 |  | 
 |     *cmd_copy = NULL; | 
 |     if (PyUnicode_Check(cmd)) { | 
 |         cf->cf_flags |= PyCF_IGNORE_COOKIE; | 
 |         str = PyUnicode_AsUTF8AndSize(cmd, &size); | 
 |         if (str == NULL) | 
 |             return NULL; | 
 |     } | 
 |     else if (PyBytes_Check(cmd)) { | 
 |         str = PyBytes_AS_STRING(cmd); | 
 |         size = PyBytes_GET_SIZE(cmd); | 
 |     } | 
 |     else if (PyByteArray_Check(cmd)) { | 
 |         str = PyByteArray_AS_STRING(cmd); | 
 |         size = PyByteArray_GET_SIZE(cmd); | 
 |     } | 
 |     else if (PyObject_GetBuffer(cmd, &view, PyBUF_SIMPLE) == 0) { | 
 |         /* Copy to NUL-terminated buffer. */ | 
 |         *cmd_copy = PyBytes_FromStringAndSize( | 
 |             (const char *)view.buf, view.len); | 
 |         PyBuffer_Release(&view); | 
 |         if (*cmd_copy == NULL) { | 
 |             return NULL; | 
 |         } | 
 |         str = PyBytes_AS_STRING(*cmd_copy); | 
 |         size = PyBytes_GET_SIZE(*cmd_copy); | 
 |     } | 
 |     else { | 
 |         PyErr_Format(PyExc_TypeError, | 
 |           "%s() arg 1 must be a %s object", | 
 |           funcname, what); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     if (strlen(str) != (size_t)size) { | 
 |         PyErr_SetString(PyExc_ValueError, | 
 |                         "source code string cannot contain null bytes"); | 
 |         Py_CLEAR(*cmd_copy); | 
 |         return NULL; | 
 |     } | 
 |     return str; | 
 | } | 
 |  | 
 | /*[clinic input] | 
 | compile as builtin_compile | 
 |  | 
 |     source: object | 
 |     filename: object(converter="PyUnicode_FSDecoder") | 
 |     mode: str | 
 |     flags: int = 0 | 
 |     dont_inherit: bool(accept={int}) = False | 
 |     optimize: int = -1 | 
 |  | 
 | Compile source into a code object that can be executed by exec() or eval(). | 
 |  | 
 | The source code may represent a Python module, statement or expression. | 
 | The filename will be used for run-time error messages. | 
 | The mode must be 'exec' to compile a module, 'single' to compile a | 
 | single (interactive) statement, or 'eval' to compile an expression. | 
 | The flags argument, if present, controls which future statements influence | 
 | the compilation of the code. | 
 | The dont_inherit argument, if true, stops the compilation inheriting | 
 | the effects of any future statements in effect in the code calling | 
 | compile; if absent or false these statements do influence the compilation, | 
 | in addition to any features explicitly specified. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_compile_impl(PyObject *module, PyObject *source, PyObject *filename, | 
 |                      const char *mode, int flags, int dont_inherit, | 
 |                      int optimize) | 
 | /*[clinic end generated code: output=1fa176e33452bb63 input=0ff726f595eb9fcd]*/ | 
 | { | 
 |     PyObject *source_copy; | 
 |     const char *str; | 
 |     int compile_mode = -1; | 
 |     int is_ast; | 
 |     PyCompilerFlags cf; | 
 |     int start[] = {Py_file_input, Py_eval_input, Py_single_input}; | 
 |     PyObject *result; | 
 |  | 
 |     cf.cf_flags = flags | PyCF_SOURCE_IS_UTF8; | 
 |  | 
 |     if (flags & | 
 |         ~(PyCF_MASK | PyCF_MASK_OBSOLETE | PyCF_DONT_IMPLY_DEDENT | PyCF_ONLY_AST)) | 
 |     { | 
 |         PyErr_SetString(PyExc_ValueError, | 
 |                         "compile(): unrecognised flags"); | 
 |         goto error; | 
 |     } | 
 |     /* XXX Warn if (supplied_flags & PyCF_MASK_OBSOLETE) != 0? */ | 
 |  | 
 |     if (optimize < -1 || optimize > 2) { | 
 |         PyErr_SetString(PyExc_ValueError, | 
 |                         "compile(): invalid optimize value"); | 
 |         goto error; | 
 |     } | 
 |  | 
 |     if (!dont_inherit) { | 
 |         PyEval_MergeCompilerFlags(&cf); | 
 |     } | 
 |  | 
 |     if (strcmp(mode, "exec") == 0) | 
 |         compile_mode = 0; | 
 |     else if (strcmp(mode, "eval") == 0) | 
 |         compile_mode = 1; | 
 |     else if (strcmp(mode, "single") == 0) | 
 |         compile_mode = 2; | 
 |     else { | 
 |         PyErr_SetString(PyExc_ValueError, | 
 |                         "compile() mode must be 'exec', 'eval' or 'single'"); | 
 |         goto error; | 
 |     } | 
 |  | 
 |     is_ast = PyAST_Check(source); | 
 |     if (is_ast == -1) | 
 |         goto error; | 
 |     if (is_ast) { | 
 |         if (flags & PyCF_ONLY_AST) { | 
 |             Py_INCREF(source); | 
 |             result = source; | 
 |         } | 
 |         else { | 
 |             PyArena *arena; | 
 |             mod_ty mod; | 
 |  | 
 |             arena = PyArena_New(); | 
 |             if (arena == NULL) | 
 |                 goto error; | 
 |             mod = PyAST_obj2mod(source, arena, compile_mode); | 
 |             if (mod == NULL) { | 
 |                 PyArena_Free(arena); | 
 |                 goto error; | 
 |             } | 
 |             if (!PyAST_Validate(mod)) { | 
 |                 PyArena_Free(arena); | 
 |                 goto error; | 
 |             } | 
 |             result = (PyObject*)PyAST_CompileObject(mod, filename, | 
 |                                                     &cf, optimize, arena); | 
 |             PyArena_Free(arena); | 
 |         } | 
 |         goto finally; | 
 |     } | 
 |  | 
 |     str = source_as_string(source, "compile", "string, bytes or AST", &cf, &source_copy); | 
 |     if (str == NULL) | 
 |         goto error; | 
 |  | 
 |     result = Py_CompileStringObject(str, filename, start[compile_mode], &cf, optimize); | 
 |     Py_XDECREF(source_copy); | 
 |     goto finally; | 
 |  | 
 | error: | 
 |     result = NULL; | 
 | finally: | 
 |     Py_DECREF(filename); | 
 |     return result; | 
 | } | 
 |  | 
 | /* AC: cannot convert yet, as needs PEP 457 group support in inspect */ | 
 | static PyObject * | 
 | builtin_dir(PyObject *self, PyObject *args) | 
 | { | 
 |     PyObject *arg = NULL; | 
 |  | 
 |     if (!PyArg_UnpackTuple(args, "dir", 0, 1, &arg)) | 
 |         return NULL; | 
 |     return PyObject_Dir(arg); | 
 | } | 
 |  | 
 | PyDoc_STRVAR(dir_doc, | 
 | "dir([object]) -> list of strings\n" | 
 | "\n" | 
 | "If called without an argument, return the names in the current scope.\n" | 
 | "Else, return an alphabetized list of names comprising (some of) the attributes\n" | 
 | "of the given object, and of attributes reachable from it.\n" | 
 | "If the object supplies a method named __dir__, it will be used; otherwise\n" | 
 | "the default dir() logic is used and returns:\n" | 
 | "  for a module object: the module's attributes.\n" | 
 | "  for a class object:  its attributes, and recursively the attributes\n" | 
 | "    of its bases.\n" | 
 | "  for any other object: its attributes, its class's attributes, and\n" | 
 | "    recursively the attributes of its class's base classes."); | 
 |  | 
 | /*[clinic input] | 
 | divmod as builtin_divmod | 
 |  | 
 |     x: object | 
 |     y: object | 
 |     / | 
 |  | 
 | Return the tuple (x//y, x%y).  Invariant: div*y + mod == x. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_divmod_impl(PyObject *module, PyObject *x, PyObject *y) | 
 | /*[clinic end generated code: output=b06d8a5f6e0c745e input=175ad9c84ff41a85]*/ | 
 | { | 
 |     return PyNumber_Divmod(x, y); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | eval as builtin_eval | 
 |  | 
 |     source: object | 
 |     globals: object = None | 
 |     locals: object = None | 
 |     / | 
 |  | 
 | Evaluate the given source in the context of globals and locals. | 
 |  | 
 | The source may be a string representing a Python expression | 
 | or a code object as returned by compile(). | 
 | The globals must be a dictionary and locals can be any mapping, | 
 | defaulting to the current globals and locals. | 
 | If only globals is given, locals defaults to it. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_eval_impl(PyObject *module, PyObject *source, PyObject *globals, | 
 |                   PyObject *locals) | 
 | /*[clinic end generated code: output=0a0824aa70093116 input=11ee718a8640e527]*/ | 
 | { | 
 |     PyObject *result, *source_copy; | 
 |     const char *str; | 
 |     PyCompilerFlags cf; | 
 |  | 
 |     if (locals != Py_None && !PyMapping_Check(locals)) { | 
 |         PyErr_SetString(PyExc_TypeError, "locals must be a mapping"); | 
 |         return NULL; | 
 |     } | 
 |     if (globals != Py_None && !PyDict_Check(globals)) { | 
 |         PyErr_SetString(PyExc_TypeError, PyMapping_Check(globals) ? | 
 |             "globals must be a real dict; try eval(expr, {}, mapping)" | 
 |             : "globals must be a dict"); | 
 |         return NULL; | 
 |     } | 
 |     if (globals == Py_None) { | 
 |         globals = PyEval_GetGlobals(); | 
 |         if (locals == Py_None) { | 
 |             locals = PyEval_GetLocals(); | 
 |             if (locals == NULL) | 
 |                 return NULL; | 
 |         } | 
 |     } | 
 |     else if (locals == Py_None) | 
 |         locals = globals; | 
 |  | 
 |     if (globals == NULL || locals == NULL) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |             "eval must be given globals and locals " | 
 |             "when called without a frame"); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     if (_PyDict_GetItemId(globals, &PyId___builtins__) == NULL) { | 
 |         if (_PyDict_SetItemId(globals, &PyId___builtins__, | 
 |                               PyEval_GetBuiltins()) != 0) | 
 |             return NULL; | 
 |     } | 
 |  | 
 |     if (PyCode_Check(source)) { | 
 |         if (PyCode_GetNumFree((PyCodeObject *)source) > 0) { | 
 |             PyErr_SetString(PyExc_TypeError, | 
 |         "code object passed to eval() may not contain free variables"); | 
 |             return NULL; | 
 |         } | 
 |         return PyEval_EvalCode(source, globals, locals); | 
 |     } | 
 |  | 
 |     cf.cf_flags = PyCF_SOURCE_IS_UTF8; | 
 |     str = source_as_string(source, "eval", "string, bytes or code", &cf, &source_copy); | 
 |     if (str == NULL) | 
 |         return NULL; | 
 |  | 
 |     while (*str == ' ' || *str == '\t') | 
 |         str++; | 
 |  | 
 |     (void)PyEval_MergeCompilerFlags(&cf); | 
 |     result = PyRun_StringFlags(str, Py_eval_input, globals, locals, &cf); | 
 |     Py_XDECREF(source_copy); | 
 |     return result; | 
 | } | 
 |  | 
 | /*[clinic input] | 
 | exec as builtin_exec | 
 |  | 
 |     source: object | 
 |     globals: object = None | 
 |     locals: object = None | 
 |     / | 
 |  | 
 | Execute the given source in the context of globals and locals. | 
 |  | 
 | The source may be a string representing one or more Python statements | 
 | or a code object as returned by compile(). | 
 | The globals must be a dictionary and locals can be any mapping, | 
 | defaulting to the current globals and locals. | 
 | If only globals is given, locals defaults to it. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_exec_impl(PyObject *module, PyObject *source, PyObject *globals, | 
 |                   PyObject *locals) | 
 | /*[clinic end generated code: output=3c90efc6ab68ef5d input=01ca3e1c01692829]*/ | 
 | { | 
 |     PyObject *v; | 
 |  | 
 |     if (globals == Py_None) { | 
 |         globals = PyEval_GetGlobals(); | 
 |         if (locals == Py_None) { | 
 |             locals = PyEval_GetLocals(); | 
 |             if (locals == NULL) | 
 |                 return NULL; | 
 |         } | 
 |         if (!globals || !locals) { | 
 |             PyErr_SetString(PyExc_SystemError, | 
 |                             "globals and locals cannot be NULL"); | 
 |             return NULL; | 
 |         } | 
 |     } | 
 |     else if (locals == Py_None) | 
 |         locals = globals; | 
 |  | 
 |     if (!PyDict_Check(globals)) { | 
 |         PyErr_Format(PyExc_TypeError, "exec() globals must be a dict, not %.100s", | 
 |                      globals->ob_type->tp_name); | 
 |         return NULL; | 
 |     } | 
 |     if (!PyMapping_Check(locals)) { | 
 |         PyErr_Format(PyExc_TypeError, | 
 |             "locals must be a mapping or None, not %.100s", | 
 |             locals->ob_type->tp_name); | 
 |         return NULL; | 
 |     } | 
 |     if (_PyDict_GetItemId(globals, &PyId___builtins__) == NULL) { | 
 |         if (_PyDict_SetItemId(globals, &PyId___builtins__, | 
 |                               PyEval_GetBuiltins()) != 0) | 
 |             return NULL; | 
 |     } | 
 |  | 
 |     if (PyCode_Check(source)) { | 
 |         if (PyCode_GetNumFree((PyCodeObject *)source) > 0) { | 
 |             PyErr_SetString(PyExc_TypeError, | 
 |                 "code object passed to exec() may not " | 
 |                 "contain free variables"); | 
 |             return NULL; | 
 |         } | 
 |         v = PyEval_EvalCode(source, globals, locals); | 
 |     } | 
 |     else { | 
 |         PyObject *source_copy; | 
 |         const char *str; | 
 |         PyCompilerFlags cf; | 
 |         cf.cf_flags = PyCF_SOURCE_IS_UTF8; | 
 |         str = source_as_string(source, "exec", | 
 |                                        "string, bytes or code", &cf, | 
 |                                        &source_copy); | 
 |         if (str == NULL) | 
 |             return NULL; | 
 |         if (PyEval_MergeCompilerFlags(&cf)) | 
 |             v = PyRun_StringFlags(str, Py_file_input, globals, | 
 |                                   locals, &cf); | 
 |         else | 
 |             v = PyRun_String(str, Py_file_input, globals, locals); | 
 |         Py_XDECREF(source_copy); | 
 |     } | 
 |     if (v == NULL) | 
 |         return NULL; | 
 |     Py_DECREF(v); | 
 |     Py_RETURN_NONE; | 
 | } | 
 |  | 
 |  | 
 | /* AC: cannot convert yet, as needs PEP 457 group support in inspect */ | 
 | static PyObject * | 
 | builtin_getattr(PyObject *self, PyObject *const *args, Py_ssize_t nargs) | 
 | { | 
 |     PyObject *v, *result, *dflt = NULL; | 
 |     PyObject *name; | 
 |  | 
 |     if (!_PyArg_UnpackStack(args, nargs, "getattr", 2, 3, &v, &name, &dflt)) | 
 |         return NULL; | 
 |  | 
 |     if (!PyUnicode_Check(name)) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |                         "getattr(): attribute name must be string"); | 
 |         return NULL; | 
 |     } | 
 |     if (dflt != NULL) { | 
 |         if (_PyObject_LookupAttr(v, name, &result) == 0) { | 
 |             Py_INCREF(dflt); | 
 |             return dflt; | 
 |         } | 
 |     } | 
 |     else { | 
 |         result = PyObject_GetAttr(v, name); | 
 |     } | 
 |     return result; | 
 | } | 
 |  | 
 | PyDoc_STRVAR(getattr_doc, | 
 | "getattr(object, name[, default]) -> value\n\ | 
 | \n\ | 
 | Get a named attribute from an object; getattr(x, 'y') is equivalent to x.y.\n\ | 
 | When a default argument is given, it is returned when the attribute doesn't\n\ | 
 | exist; without it, an exception is raised in that case."); | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | globals as builtin_globals | 
 |  | 
 | Return the dictionary containing the current scope's global variables. | 
 |  | 
 | NOTE: Updates to this dictionary *will* affect name lookups in the current | 
 | global scope and vice-versa. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_globals_impl(PyObject *module) | 
 | /*[clinic end generated code: output=e5dd1527067b94d2 input=9327576f92bb48ba]*/ | 
 | { | 
 |     PyObject *d; | 
 |  | 
 |     d = PyEval_GetGlobals(); | 
 |     Py_XINCREF(d); | 
 |     return d; | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | hasattr as builtin_hasattr | 
 |  | 
 |     obj: object | 
 |     name: object | 
 |     / | 
 |  | 
 | Return whether the object has an attribute with the given name. | 
 |  | 
 | This is done by calling getattr(obj, name) and catching AttributeError. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_hasattr_impl(PyObject *module, PyObject *obj, PyObject *name) | 
 | /*[clinic end generated code: output=a7aff2090a4151e5 input=0faec9787d979542]*/ | 
 | { | 
 |     PyObject *v; | 
 |  | 
 |     if (!PyUnicode_Check(name)) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |                         "hasattr(): attribute name must be string"); | 
 |         return NULL; | 
 |     } | 
 |     if (_PyObject_LookupAttr(obj, name, &v) < 0) { | 
 |         return NULL; | 
 |     } | 
 |     if (v == NULL) { | 
 |         Py_RETURN_FALSE; | 
 |     } | 
 |     Py_DECREF(v); | 
 |     Py_RETURN_TRUE; | 
 | } | 
 |  | 
 |  | 
 | /* AC: gdb's integration with CPython relies on builtin_id having | 
 |  * the *exact* parameter names of "self" and "v", so we ensure we | 
 |  * preserve those name rather than using the AC defaults. | 
 |  */ | 
 | /*[clinic input] | 
 | id as builtin_id | 
 |  | 
 |     self: self(type="PyModuleDef *") | 
 |     obj as v: object | 
 |     / | 
 |  | 
 | Return the identity of an object. | 
 |  | 
 | This is guaranteed to be unique among simultaneously existing objects. | 
 | (CPython uses the object's memory address.) | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_id(PyModuleDef *self, PyObject *v) | 
 | /*[clinic end generated code: output=0aa640785f697f65 input=5a534136419631f4]*/ | 
 | { | 
 |     return PyLong_FromVoidPtr(v); | 
 | } | 
 |  | 
 |  | 
 | /* map object ************************************************************/ | 
 |  | 
 | typedef struct { | 
 |     PyObject_HEAD | 
 |     PyObject *iters; | 
 |     PyObject *func; | 
 | } mapobject; | 
 |  | 
 | static PyObject * | 
 | map_new(PyTypeObject *type, PyObject *args, PyObject *kwds) | 
 | { | 
 |     PyObject *it, *iters, *func; | 
 |     mapobject *lz; | 
 |     Py_ssize_t numargs, i; | 
 |  | 
 |     if (type == &PyMap_Type && !_PyArg_NoKeywords("map", kwds)) | 
 |         return NULL; | 
 |  | 
 |     numargs = PyTuple_Size(args); | 
 |     if (numargs < 2) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |            "map() must have at least two arguments."); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     iters = PyTuple_New(numargs-1); | 
 |     if (iters == NULL) | 
 |         return NULL; | 
 |  | 
 |     for (i=1 ; i<numargs ; i++) { | 
 |         /* Get iterator. */ | 
 |         it = PyObject_GetIter(PyTuple_GET_ITEM(args, i)); | 
 |         if (it == NULL) { | 
 |             Py_DECREF(iters); | 
 |             return NULL; | 
 |         } | 
 |         PyTuple_SET_ITEM(iters, i-1, it); | 
 |     } | 
 |  | 
 |     /* create mapobject structure */ | 
 |     lz = (mapobject *)type->tp_alloc(type, 0); | 
 |     if (lz == NULL) { | 
 |         Py_DECREF(iters); | 
 |         return NULL; | 
 |     } | 
 |     lz->iters = iters; | 
 |     func = PyTuple_GET_ITEM(args, 0); | 
 |     Py_INCREF(func); | 
 |     lz->func = func; | 
 |  | 
 |     return (PyObject *)lz; | 
 | } | 
 |  | 
 | static void | 
 | map_dealloc(mapobject *lz) | 
 | { | 
 |     PyObject_GC_UnTrack(lz); | 
 |     Py_XDECREF(lz->iters); | 
 |     Py_XDECREF(lz->func); | 
 |     Py_TYPE(lz)->tp_free(lz); | 
 | } | 
 |  | 
 | static int | 
 | map_traverse(mapobject *lz, visitproc visit, void *arg) | 
 | { | 
 |     Py_VISIT(lz->iters); | 
 |     Py_VISIT(lz->func); | 
 |     return 0; | 
 | } | 
 |  | 
 | static PyObject * | 
 | map_next(mapobject *lz) | 
 | { | 
 |     PyObject *small_stack[_PY_FASTCALL_SMALL_STACK]; | 
 |     PyObject **stack; | 
 |     Py_ssize_t niters, nargs, i; | 
 |     PyObject *result = NULL; | 
 |  | 
 |     niters = PyTuple_GET_SIZE(lz->iters); | 
 |     if (niters <= (Py_ssize_t)Py_ARRAY_LENGTH(small_stack)) { | 
 |         stack = small_stack; | 
 |     } | 
 |     else { | 
 |         stack = PyMem_Malloc(niters * sizeof(stack[0])); | 
 |         if (stack == NULL) { | 
 |             PyErr_NoMemory(); | 
 |             return NULL; | 
 |         } | 
 |     } | 
 |  | 
 |     nargs = 0; | 
 |     for (i=0; i < niters; i++) { | 
 |         PyObject *it = PyTuple_GET_ITEM(lz->iters, i); | 
 |         PyObject *val = Py_TYPE(it)->tp_iternext(it); | 
 |         if (val == NULL) { | 
 |             goto exit; | 
 |         } | 
 |         stack[i] = val; | 
 |         nargs++; | 
 |     } | 
 |  | 
 |     result = _PyObject_FastCall(lz->func, stack, nargs); | 
 |  | 
 | exit: | 
 |     for (i=0; i < nargs; i++) { | 
 |         Py_DECREF(stack[i]); | 
 |     } | 
 |     if (stack != small_stack) { | 
 |         PyMem_Free(stack); | 
 |     } | 
 |     return result; | 
 | } | 
 |  | 
 | static PyObject * | 
 | map_reduce(mapobject *lz, PyObject *Py_UNUSED(ignored)) | 
 | { | 
 |     Py_ssize_t numargs = PyTuple_GET_SIZE(lz->iters); | 
 |     PyObject *args = PyTuple_New(numargs+1); | 
 |     Py_ssize_t i; | 
 |     if (args == NULL) | 
 |         return NULL; | 
 |     Py_INCREF(lz->func); | 
 |     PyTuple_SET_ITEM(args, 0, lz->func); | 
 |     for (i = 0; i<numargs; i++){ | 
 |         PyObject *it = PyTuple_GET_ITEM(lz->iters, i); | 
 |         Py_INCREF(it); | 
 |         PyTuple_SET_ITEM(args, i+1, it); | 
 |     } | 
 |  | 
 |     return Py_BuildValue("ON", Py_TYPE(lz), args); | 
 | } | 
 |  | 
 | static PyMethodDef map_methods[] = { | 
 |     {"__reduce__",   (PyCFunction)map_reduce,   METH_NOARGS, reduce_doc}, | 
 |     {NULL,           NULL}           /* sentinel */ | 
 | }; | 
 |  | 
 |  | 
 | PyDoc_STRVAR(map_doc, | 
 | "map(func, *iterables) --> map object\n\ | 
 | \n\ | 
 | Make an iterator that computes the function using arguments from\n\ | 
 | each of the iterables.  Stops when the shortest iterable is exhausted."); | 
 |  | 
 | PyTypeObject PyMap_Type = { | 
 |     PyVarObject_HEAD_INIT(&PyType_Type, 0) | 
 |     "map",                              /* tp_name */ | 
 |     sizeof(mapobject),                  /* tp_basicsize */ | 
 |     0,                                  /* tp_itemsize */ | 
 |     /* methods */ | 
 |     (destructor)map_dealloc,            /* tp_dealloc */ | 
 |     0,                                  /* tp_print */ | 
 |     0,                                  /* tp_getattr */ | 
 |     0,                                  /* tp_setattr */ | 
 |     0,                                  /* tp_reserved */ | 
 |     0,                                  /* tp_repr */ | 
 |     0,                                  /* tp_as_number */ | 
 |     0,                                  /* tp_as_sequence */ | 
 |     0,                                  /* tp_as_mapping */ | 
 |     0,                                  /* tp_hash */ | 
 |     0,                                  /* tp_call */ | 
 |     0,                                  /* tp_str */ | 
 |     PyObject_GenericGetAttr,            /* tp_getattro */ | 
 |     0,                                  /* tp_setattro */ | 
 |     0,                                  /* tp_as_buffer */ | 
 |     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | | 
 |         Py_TPFLAGS_BASETYPE,            /* tp_flags */ | 
 |     map_doc,                            /* tp_doc */ | 
 |     (traverseproc)map_traverse,         /* tp_traverse */ | 
 |     0,                                  /* tp_clear */ | 
 |     0,                                  /* tp_richcompare */ | 
 |     0,                                  /* tp_weaklistoffset */ | 
 |     PyObject_SelfIter,                  /* tp_iter */ | 
 |     (iternextfunc)map_next,     /* tp_iternext */ | 
 |     map_methods,                        /* tp_methods */ | 
 |     0,                                  /* tp_members */ | 
 |     0,                                  /* tp_getset */ | 
 |     0,                                  /* tp_base */ | 
 |     0,                                  /* tp_dict */ | 
 |     0,                                  /* tp_descr_get */ | 
 |     0,                                  /* tp_descr_set */ | 
 |     0,                                  /* tp_dictoffset */ | 
 |     0,                                  /* tp_init */ | 
 |     PyType_GenericAlloc,                /* tp_alloc */ | 
 |     map_new,                            /* tp_new */ | 
 |     PyObject_GC_Del,                    /* tp_free */ | 
 | }; | 
 |  | 
 |  | 
 | /* AC: cannot convert yet, as needs PEP 457 group support in inspect */ | 
 | static PyObject * | 
 | builtin_next(PyObject *self, PyObject *const *args, Py_ssize_t nargs) | 
 | { | 
 |     PyObject *it, *res; | 
 |     PyObject *def = NULL; | 
 |  | 
 |     if (!_PyArg_UnpackStack(args, nargs, "next", 1, 2, &it, &def)) | 
 |         return NULL; | 
 |  | 
 |     if (!PyIter_Check(it)) { | 
 |         PyErr_Format(PyExc_TypeError, | 
 |             "'%.200s' object is not an iterator", | 
 |             it->ob_type->tp_name); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     res = (*it->ob_type->tp_iternext)(it); | 
 |     if (res != NULL) { | 
 |         return res; | 
 |     } else if (def != NULL) { | 
 |         if (PyErr_Occurred()) { | 
 |             if(!PyErr_ExceptionMatches(PyExc_StopIteration)) | 
 |                 return NULL; | 
 |             PyErr_Clear(); | 
 |         } | 
 |         Py_INCREF(def); | 
 |         return def; | 
 |     } else if (PyErr_Occurred()) { | 
 |         return NULL; | 
 |     } else { | 
 |         PyErr_SetNone(PyExc_StopIteration); | 
 |         return NULL; | 
 |     } | 
 | } | 
 |  | 
 | PyDoc_STRVAR(next_doc, | 
 | "next(iterator[, default])\n\ | 
 | \n\ | 
 | Return the next item from the iterator. If default is given and the iterator\n\ | 
 | is exhausted, it is returned instead of raising StopIteration."); | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | setattr as builtin_setattr | 
 |  | 
 |     obj: object | 
 |     name: object | 
 |     value: object | 
 |     / | 
 |  | 
 | Sets the named attribute on the given object to the specified value. | 
 |  | 
 | setattr(x, 'y', v) is equivalent to ``x.y = v'' | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_setattr_impl(PyObject *module, PyObject *obj, PyObject *name, | 
 |                      PyObject *value) | 
 | /*[clinic end generated code: output=dc2ce1d1add9acb4 input=bd2b7ca6875a1899]*/ | 
 | { | 
 |     if (PyObject_SetAttr(obj, name, value) != 0) | 
 |         return NULL; | 
 |     Py_RETURN_NONE; | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | delattr as builtin_delattr | 
 |  | 
 |     obj: object | 
 |     name: object | 
 |     / | 
 |  | 
 | Deletes the named attribute from the given object. | 
 |  | 
 | delattr(x, 'y') is equivalent to ``del x.y'' | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_delattr_impl(PyObject *module, PyObject *obj, PyObject *name) | 
 | /*[clinic end generated code: output=85134bc58dff79fa input=db16685d6b4b9410]*/ | 
 | { | 
 |     if (PyObject_SetAttr(obj, name, (PyObject *)NULL) != 0) | 
 |         return NULL; | 
 |     Py_RETURN_NONE; | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | hash as builtin_hash | 
 |  | 
 |     obj: object | 
 |     / | 
 |  | 
 | Return the hash value for the given object. | 
 |  | 
 | Two objects that compare equal must also have the same hash value, but the | 
 | reverse is not necessarily true. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_hash(PyObject *module, PyObject *obj) | 
 | /*[clinic end generated code: output=237668e9d7688db7 input=58c48be822bf9c54]*/ | 
 | { | 
 |     Py_hash_t x; | 
 |  | 
 |     x = PyObject_Hash(obj); | 
 |     if (x == -1) | 
 |         return NULL; | 
 |     return PyLong_FromSsize_t(x); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | hex as builtin_hex | 
 |  | 
 |     number: object | 
 |     / | 
 |  | 
 | Return the hexadecimal representation of an integer. | 
 |  | 
 |    >>> hex(12648430) | 
 |    '0xc0ffee' | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_hex(PyObject *module, PyObject *number) | 
 | /*[clinic end generated code: output=e46b612169099408 input=e645aff5fc7d540e]*/ | 
 | { | 
 |     return PyNumber_ToBase(number, 16); | 
 | } | 
 |  | 
 |  | 
 | /* AC: cannot convert yet, as needs PEP 457 group support in inspect */ | 
 | static PyObject * | 
 | builtin_iter(PyObject *self, PyObject *args) | 
 | { | 
 |     PyObject *v, *w = NULL; | 
 |  | 
 |     if (!PyArg_UnpackTuple(args, "iter", 1, 2, &v, &w)) | 
 |         return NULL; | 
 |     if (w == NULL) | 
 |         return PyObject_GetIter(v); | 
 |     if (!PyCallable_Check(v)) { | 
 |         PyErr_SetString(PyExc_TypeError, | 
 |                         "iter(v, w): v must be callable"); | 
 |         return NULL; | 
 |     } | 
 |     return PyCallIter_New(v, w); | 
 | } | 
 |  | 
 | PyDoc_STRVAR(iter_doc, | 
 | "iter(iterable) -> iterator\n\ | 
 | iter(callable, sentinel) -> iterator\n\ | 
 | \n\ | 
 | Get an iterator from an object.  In the first form, the argument must\n\ | 
 | supply its own iterator, or be a sequence.\n\ | 
 | In the second form, the callable is called until it returns the sentinel."); | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | len as builtin_len | 
 |  | 
 |     obj: object | 
 |     / | 
 |  | 
 | Return the number of items in a container. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_len(PyObject *module, PyObject *obj) | 
 | /*[clinic end generated code: output=fa7a270d314dfb6c input=bc55598da9e9c9b5]*/ | 
 | { | 
 |     Py_ssize_t res; | 
 |  | 
 |     res = PyObject_Size(obj); | 
 |     if (res < 0) { | 
 |         assert(PyErr_Occurred()); | 
 |         return NULL; | 
 |     } | 
 |     return PyLong_FromSsize_t(res); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | locals as builtin_locals | 
 |  | 
 | Return a dictionary containing the current scope's local variables. | 
 |  | 
 | NOTE: Whether or not updates to this dictionary will affect name lookups in | 
 | the local scope and vice-versa is *implementation dependent* and not | 
 | covered by any backwards compatibility guarantees. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_locals_impl(PyObject *module) | 
 | /*[clinic end generated code: output=b46c94015ce11448 input=7874018d478d5c4b]*/ | 
 | { | 
 |     PyObject *d; | 
 |  | 
 |     d = PyEval_GetLocals(); | 
 |     Py_XINCREF(d); | 
 |     return d; | 
 | } | 
 |  | 
 |  | 
 | static PyObject * | 
 | min_max(PyObject *args, PyObject *kwds, int op) | 
 | { | 
 |     PyObject *v, *it, *item, *val, *maxitem, *maxval, *keyfunc=NULL; | 
 |     PyObject *emptytuple, *defaultval = NULL; | 
 |     static char *kwlist[] = {"key", "default", NULL}; | 
 |     const char *name = op == Py_LT ? "min" : "max"; | 
 |     const int positional = PyTuple_Size(args) > 1; | 
 |     int ret; | 
 |  | 
 |     if (positional) | 
 |         v = args; | 
 |     else if (!PyArg_UnpackTuple(args, name, 1, 1, &v)) | 
 |         return NULL; | 
 |  | 
 |     emptytuple = PyTuple_New(0); | 
 |     if (emptytuple == NULL) | 
 |         return NULL; | 
 |     ret = PyArg_ParseTupleAndKeywords(emptytuple, kwds, | 
 |                                       (op == Py_LT) ? "|$OO:min" : "|$OO:max", | 
 |                                       kwlist, &keyfunc, &defaultval); | 
 |     Py_DECREF(emptytuple); | 
 |     if (!ret) | 
 |         return NULL; | 
 |  | 
 |     if (positional && defaultval != NULL) { | 
 |         PyErr_Format(PyExc_TypeError, | 
 |                         "Cannot specify a default for %s() with multiple " | 
 |                         "positional arguments", name); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     it = PyObject_GetIter(v); | 
 |     if (it == NULL) { | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     if (keyfunc == Py_None) { | 
 |         keyfunc = NULL; | 
 |     } | 
 |  | 
 |     maxitem = NULL; /* the result */ | 
 |     maxval = NULL;  /* the value associated with the result */ | 
 |     while (( item = PyIter_Next(it) )) { | 
 |         /* get the value from the key function */ | 
 |         if (keyfunc != NULL) { | 
 |             val = PyObject_CallFunctionObjArgs(keyfunc, item, NULL); | 
 |             if (val == NULL) | 
 |                 goto Fail_it_item; | 
 |         } | 
 |         /* no key function; the value is the item */ | 
 |         else { | 
 |             val = item; | 
 |             Py_INCREF(val); | 
 |         } | 
 |  | 
 |         /* maximum value and item are unset; set them */ | 
 |         if (maxval == NULL) { | 
 |             maxitem = item; | 
 |             maxval = val; | 
 |         } | 
 |         /* maximum value and item are set; update them as necessary */ | 
 |         else { | 
 |             int cmp = PyObject_RichCompareBool(val, maxval, op); | 
 |             if (cmp < 0) | 
 |                 goto Fail_it_item_and_val; | 
 |             else if (cmp > 0) { | 
 |                 Py_DECREF(maxval); | 
 |                 Py_DECREF(maxitem); | 
 |                 maxval = val; | 
 |                 maxitem = item; | 
 |             } | 
 |             else { | 
 |                 Py_DECREF(item); | 
 |                 Py_DECREF(val); | 
 |             } | 
 |         } | 
 |     } | 
 |     if (PyErr_Occurred()) | 
 |         goto Fail_it; | 
 |     if (maxval == NULL) { | 
 |         assert(maxitem == NULL); | 
 |         if (defaultval != NULL) { | 
 |             Py_INCREF(defaultval); | 
 |             maxitem = defaultval; | 
 |         } else { | 
 |             PyErr_Format(PyExc_ValueError, | 
 |                          "%s() arg is an empty sequence", name); | 
 |         } | 
 |     } | 
 |     else | 
 |         Py_DECREF(maxval); | 
 |     Py_DECREF(it); | 
 |     return maxitem; | 
 |  | 
 | Fail_it_item_and_val: | 
 |     Py_DECREF(val); | 
 | Fail_it_item: | 
 |     Py_DECREF(item); | 
 | Fail_it: | 
 |     Py_XDECREF(maxval); | 
 |     Py_XDECREF(maxitem); | 
 |     Py_DECREF(it); | 
 |     return NULL; | 
 | } | 
 |  | 
 | /* AC: cannot convert yet, waiting for *args support */ | 
 | static PyObject * | 
 | builtin_min(PyObject *self, PyObject *args, PyObject *kwds) | 
 | { | 
 |     return min_max(args, kwds, Py_LT); | 
 | } | 
 |  | 
 | PyDoc_STRVAR(min_doc, | 
 | "min(iterable, *[, default=obj, key=func]) -> value\n\ | 
 | min(arg1, arg2, *args, *[, key=func]) -> value\n\ | 
 | \n\ | 
 | With a single iterable argument, return its smallest item. The\n\ | 
 | default keyword-only argument specifies an object to return if\n\ | 
 | the provided iterable is empty.\n\ | 
 | With two or more arguments, return the smallest argument."); | 
 |  | 
 |  | 
 | /* AC: cannot convert yet, waiting for *args support */ | 
 | static PyObject * | 
 | builtin_max(PyObject *self, PyObject *args, PyObject *kwds) | 
 | { | 
 |     return min_max(args, kwds, Py_GT); | 
 | } | 
 |  | 
 | PyDoc_STRVAR(max_doc, | 
 | "max(iterable, *[, default=obj, key=func]) -> value\n\ | 
 | max(arg1, arg2, *args, *[, key=func]) -> value\n\ | 
 | \n\ | 
 | With a single iterable argument, return its biggest item. The\n\ | 
 | default keyword-only argument specifies an object to return if\n\ | 
 | the provided iterable is empty.\n\ | 
 | With two or more arguments, return the largest argument."); | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | oct as builtin_oct | 
 |  | 
 |     number: object | 
 |     / | 
 |  | 
 | Return the octal representation of an integer. | 
 |  | 
 |    >>> oct(342391) | 
 |    '0o1234567' | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_oct(PyObject *module, PyObject *number) | 
 | /*[clinic end generated code: output=40a34656b6875352 input=ad6b274af4016c72]*/ | 
 | { | 
 |     return PyNumber_ToBase(number, 8); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | ord as builtin_ord | 
 |  | 
 |     c: object | 
 |     / | 
 |  | 
 | Return the Unicode code point for a one-character string. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_ord(PyObject *module, PyObject *c) | 
 | /*[clinic end generated code: output=4fa5e87a323bae71 input=3064e5d6203ad012]*/ | 
 | { | 
 |     long ord; | 
 |     Py_ssize_t size; | 
 |  | 
 |     if (PyBytes_Check(c)) { | 
 |         size = PyBytes_GET_SIZE(c); | 
 |         if (size == 1) { | 
 |             ord = (long)((unsigned char)*PyBytes_AS_STRING(c)); | 
 |             return PyLong_FromLong(ord); | 
 |         } | 
 |     } | 
 |     else if (PyUnicode_Check(c)) { | 
 |         if (PyUnicode_READY(c) == -1) | 
 |             return NULL; | 
 |         size = PyUnicode_GET_LENGTH(c); | 
 |         if (size == 1) { | 
 |             ord = (long)PyUnicode_READ_CHAR(c, 0); | 
 |             return PyLong_FromLong(ord); | 
 |         } | 
 |     } | 
 |     else if (PyByteArray_Check(c)) { | 
 |         /* XXX Hopefully this is temporary */ | 
 |         size = PyByteArray_GET_SIZE(c); | 
 |         if (size == 1) { | 
 |             ord = (long)((unsigned char)*PyByteArray_AS_STRING(c)); | 
 |             return PyLong_FromLong(ord); | 
 |         } | 
 |     } | 
 |     else { | 
 |         PyErr_Format(PyExc_TypeError, | 
 |                      "ord() expected string of length 1, but " \ | 
 |                      "%.200s found", c->ob_type->tp_name); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     PyErr_Format(PyExc_TypeError, | 
 |                  "ord() expected a character, " | 
 |                  "but string of length %zd found", | 
 |                  size); | 
 |     return NULL; | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | pow as builtin_pow | 
 |  | 
 |     x: object | 
 |     y: object | 
 |     z: object = None | 
 |     / | 
 |  | 
 | Equivalent to x**y (with two arguments) or x**y % z (with three arguments) | 
 |  | 
 | Some types, such as ints, are able to use a more efficient algorithm when | 
 | invoked using the three argument form. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_pow_impl(PyObject *module, PyObject *x, PyObject *y, PyObject *z) | 
 | /*[clinic end generated code: output=50a14d5d130d404b input=653d57d38d41fc07]*/ | 
 | { | 
 |     return PyNumber_Power(x, y, z); | 
 | } | 
 |  | 
 |  | 
 | /* AC: cannot convert yet, waiting for *args support */ | 
 | static PyObject * | 
 | builtin_print(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames) | 
 | { | 
 |     static const char * const _keywords[] = {"sep", "end", "file", "flush", 0}; | 
 |     static struct _PyArg_Parser _parser = {"|OOOO:print", _keywords, 0}; | 
 |     PyObject *sep = NULL, *end = NULL, *file = NULL, *flush = NULL; | 
 |     int i, err; | 
 |  | 
 |     if (kwnames != NULL && | 
 |             !_PyArg_ParseStackAndKeywords(args + nargs, 0, kwnames, &_parser, | 
 |                                           &sep, &end, &file, &flush)) { | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     if (file == NULL || file == Py_None) { | 
 |         file = _PySys_GetObjectId(&PyId_stdout); | 
 |         if (file == NULL) { | 
 |             PyErr_SetString(PyExc_RuntimeError, "lost sys.stdout"); | 
 |             return NULL; | 
 |         } | 
 |  | 
 |         /* 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 < nargs; 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(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_CallMethodId(file, &PyId_flush, NULL); | 
 |             if (tmp == NULL) | 
 |                 return NULL; | 
 |             else | 
 |                 Py_DECREF(tmp); | 
 |         } | 
 |     } | 
 |  | 
 |     Py_RETURN_NONE; | 
 | } | 
 |  | 
 | PyDoc_STRVAR(print_doc, | 
 | "print(value, ..., sep=' ', end='\\n', file=sys.stdout, flush=False)\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.\n\ | 
 | flush: whether to forcibly flush the stream."); | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | input as builtin_input | 
 |  | 
 |     prompt: object(c_default="NULL") = None | 
 |     / | 
 |  | 
 | Read a string from standard input.  The trailing newline is stripped. | 
 |  | 
 | The prompt string, if given, is printed to standard output without a | 
 | trailing newline before reading input. | 
 |  | 
 | If the user hits EOF (*nix: Ctrl-D, Windows: Ctrl-Z+Return), raise EOFError. | 
 | On *nix systems, readline is used if available. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_input_impl(PyObject *module, PyObject *prompt) | 
 | /*[clinic end generated code: output=83db5a191e7a0d60 input=5e8bb70c2908fe3c]*/ | 
 | { | 
 |     PyObject *fin = _PySys_GetObjectId(&PyId_stdin); | 
 |     PyObject *fout = _PySys_GetObjectId(&PyId_stdout); | 
 |     PyObject *ferr = _PySys_GetObjectId(&PyId_stderr); | 
 |     PyObject *tmp; | 
 |     long fd; | 
 |     int tty; | 
 |  | 
 |     /* Check that stdin/out/err are intact */ | 
 |     if (fin == NULL || fin == Py_None) { | 
 |         PyErr_SetString(PyExc_RuntimeError, | 
 |                         "input(): lost sys.stdin"); | 
 |         return NULL; | 
 |     } | 
 |     if (fout == NULL || fout == Py_None) { | 
 |         PyErr_SetString(PyExc_RuntimeError, | 
 |                         "input(): lost sys.stdout"); | 
 |         return NULL; | 
 |     } | 
 |     if (ferr == NULL || ferr == Py_None) { | 
 |         PyErr_SetString(PyExc_RuntimeError, | 
 |                         "input(): lost sys.stderr"); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     /* First of all, flush stderr */ | 
 |     tmp = _PyObject_CallMethodId(ferr, &PyId_flush, NULL); | 
 |     if (tmp == NULL) | 
 |         PyErr_Clear(); | 
 |     else | 
 |         Py_DECREF(tmp); | 
 |  | 
 |     /* We should only use (GNU) readline if Python's sys.stdin and | 
 |        sys.stdout are the same as C's stdin and stdout, because we | 
 |        need to pass it those. */ | 
 |     tmp = _PyObject_CallMethodId(fin, &PyId_fileno, NULL); | 
 |     if (tmp == NULL) { | 
 |         PyErr_Clear(); | 
 |         tty = 0; | 
 |     } | 
 |     else { | 
 |         fd = PyLong_AsLong(tmp); | 
 |         Py_DECREF(tmp); | 
 |         if (fd < 0 && PyErr_Occurred()) | 
 |             return NULL; | 
 |         tty = fd == fileno(stdin) && isatty(fd); | 
 |     } | 
 |     if (tty) { | 
 |         tmp = _PyObject_CallMethodId(fout, &PyId_fileno, NULL); | 
 |         if (tmp == NULL) { | 
 |             PyErr_Clear(); | 
 |             tty = 0; | 
 |         } | 
 |         else { | 
 |             fd = PyLong_AsLong(tmp); | 
 |             Py_DECREF(tmp); | 
 |             if (fd < 0 && PyErr_Occurred()) | 
 |                 return NULL; | 
 |             tty = fd == fileno(stdout) && isatty(fd); | 
 |         } | 
 |     } | 
 |  | 
 |     /* If we're interactive, use (GNU) readline */ | 
 |     if (tty) { | 
 |         PyObject *po = NULL; | 
 |         const char *promptstr; | 
 |         char *s = NULL; | 
 |         PyObject *stdin_encoding = NULL, *stdin_errors = NULL; | 
 |         PyObject *stdout_encoding = NULL, *stdout_errors = NULL; | 
 |         const char *stdin_encoding_str, *stdin_errors_str; | 
 |         PyObject *result; | 
 |         size_t len; | 
 |  | 
 |         /* stdin is a text stream, so it must have an encoding. */ | 
 |         stdin_encoding = _PyObject_GetAttrId(fin, &PyId_encoding); | 
 |         stdin_errors = _PyObject_GetAttrId(fin, &PyId_errors); | 
 |         if (!stdin_encoding || !stdin_errors || | 
 |                 !PyUnicode_Check(stdin_encoding) || | 
 |                 !PyUnicode_Check(stdin_errors)) { | 
 |             tty = 0; | 
 |             goto _readline_errors; | 
 |         } | 
 |         stdin_encoding_str = PyUnicode_AsUTF8(stdin_encoding); | 
 |         stdin_errors_str = PyUnicode_AsUTF8(stdin_errors); | 
 |         if (!stdin_encoding_str || !stdin_errors_str) | 
 |             goto _readline_errors; | 
 |         tmp = _PyObject_CallMethodId(fout, &PyId_flush, NULL); | 
 |         if (tmp == NULL) | 
 |             PyErr_Clear(); | 
 |         else | 
 |             Py_DECREF(tmp); | 
 |         if (prompt != NULL) { | 
 |             /* We have a prompt, encode it as stdout would */ | 
 |             const char *stdout_encoding_str, *stdout_errors_str; | 
 |             PyObject *stringpo; | 
 |             stdout_encoding = _PyObject_GetAttrId(fout, &PyId_encoding); | 
 |             stdout_errors = _PyObject_GetAttrId(fout, &PyId_errors); | 
 |             if (!stdout_encoding || !stdout_errors || | 
 |                     !PyUnicode_Check(stdout_encoding) || | 
 |                     !PyUnicode_Check(stdout_errors)) { | 
 |                 tty = 0; | 
 |                 goto _readline_errors; | 
 |             } | 
 |             stdout_encoding_str = PyUnicode_AsUTF8(stdout_encoding); | 
 |             stdout_errors_str = PyUnicode_AsUTF8(stdout_errors); | 
 |             if (!stdout_encoding_str || !stdout_errors_str) | 
 |                 goto _readline_errors; | 
 |             stringpo = PyObject_Str(prompt); | 
 |             if (stringpo == NULL) | 
 |                 goto _readline_errors; | 
 |             po = PyUnicode_AsEncodedString(stringpo, | 
 |                 stdout_encoding_str, stdout_errors_str); | 
 |             Py_CLEAR(stdout_encoding); | 
 |             Py_CLEAR(stdout_errors); | 
 |             Py_CLEAR(stringpo); | 
 |             if (po == NULL) | 
 |                 goto _readline_errors; | 
 |             assert(PyBytes_Check(po)); | 
 |             promptstr = PyBytes_AS_STRING(po); | 
 |         } | 
 |         else { | 
 |             po = NULL; | 
 |             promptstr = ""; | 
 |         } | 
 |         s = PyOS_Readline(stdin, stdout, promptstr); | 
 |         if (s == NULL) { | 
 |             PyErr_CheckSignals(); | 
 |             if (!PyErr_Occurred()) | 
 |                 PyErr_SetNone(PyExc_KeyboardInterrupt); | 
 |             goto _readline_errors; | 
 |         } | 
 |  | 
 |         len = strlen(s); | 
 |         if (len == 0) { | 
 |             PyErr_SetNone(PyExc_EOFError); | 
 |             result = NULL; | 
 |         } | 
 |         else { | 
 |             if (len > PY_SSIZE_T_MAX) { | 
 |                 PyErr_SetString(PyExc_OverflowError, | 
 |                                 "input: input too long"); | 
 |                 result = NULL; | 
 |             } | 
 |             else { | 
 |                 len--;   /* strip trailing '\n' */ | 
 |                 if (len != 0 && s[len-1] == '\r') | 
 |                     len--;   /* strip trailing '\r' */ | 
 |                 result = PyUnicode_Decode(s, len, stdin_encoding_str, | 
 |                                                   stdin_errors_str); | 
 |             } | 
 |         } | 
 |         Py_DECREF(stdin_encoding); | 
 |         Py_DECREF(stdin_errors); | 
 |         Py_XDECREF(po); | 
 |         PyMem_FREE(s); | 
 |         return result; | 
 |  | 
 |     _readline_errors: | 
 |         Py_XDECREF(stdin_encoding); | 
 |         Py_XDECREF(stdout_encoding); | 
 |         Py_XDECREF(stdin_errors); | 
 |         Py_XDECREF(stdout_errors); | 
 |         Py_XDECREF(po); | 
 |         if (tty) | 
 |             return NULL; | 
 |  | 
 |         PyErr_Clear(); | 
 |     } | 
 |  | 
 |     /* Fallback if we're not interactive */ | 
 |     if (prompt != NULL) { | 
 |         if (PyFile_WriteObject(prompt, fout, Py_PRINT_RAW) != 0) | 
 |             return NULL; | 
 |     } | 
 |     tmp = _PyObject_CallMethodId(fout, &PyId_flush, NULL); | 
 |     if (tmp == NULL) | 
 |         PyErr_Clear(); | 
 |     else | 
 |         Py_DECREF(tmp); | 
 |     return PyFile_GetLine(fin, -1); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | repr as builtin_repr | 
 |  | 
 |     obj: object | 
 |     / | 
 |  | 
 | Return the canonical string representation of the object. | 
 |  | 
 | For many object types, including most builtins, eval(repr(obj)) == obj. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_repr(PyObject *module, PyObject *obj) | 
 | /*[clinic end generated code: output=7ed3778c44fd0194 input=1c9e6d66d3e3be04]*/ | 
 | { | 
 |     return PyObject_Repr(obj); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | round as builtin_round | 
 |  | 
 |     number: object | 
 |     ndigits: object = NULL | 
 |  | 
 | Round a number to a given precision in decimal digits. | 
 |  | 
 | The return value is an integer if ndigits is omitted or None.  Otherwise | 
 | the return value has the same type as the number.  ndigits may be negative. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_round_impl(PyObject *module, PyObject *number, PyObject *ndigits) | 
 | /*[clinic end generated code: output=ff0d9dd176c02ede input=854bc3a217530c3d]*/ | 
 | { | 
 |     PyObject *round, *result; | 
 |  | 
 |     if (Py_TYPE(number)->tp_dict == NULL) { | 
 |         if (PyType_Ready(Py_TYPE(number)) < 0) | 
 |             return NULL; | 
 |     } | 
 |  | 
 |     round = _PyObject_LookupSpecial(number, &PyId___round__); | 
 |     if (round == NULL) { | 
 |         if (!PyErr_Occurred()) | 
 |             PyErr_Format(PyExc_TypeError, | 
 |                          "type %.100s doesn't define __round__ method", | 
 |                          Py_TYPE(number)->tp_name); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     if (ndigits == NULL || ndigits == Py_None) | 
 |         result = _PyObject_CallNoArg(round); | 
 |     else | 
 |         result = PyObject_CallFunctionObjArgs(round, ndigits, NULL); | 
 |     Py_DECREF(round); | 
 |     return result; | 
 | } | 
 |  | 
 |  | 
 | /*AC: we need to keep the kwds dict intact to easily call into the | 
 |  * list.sort method, which isn't currently supported in AC. So we just use | 
 |  * the initially generated signature with a custom implementation. | 
 |  */ | 
 | /* [disabled clinic input] | 
 | sorted as builtin_sorted | 
 |  | 
 |     iterable as seq: object | 
 |     key as keyfunc: object = None | 
 |     reverse: object = False | 
 |  | 
 | Return a new list containing all items from the iterable in ascending order. | 
 |  | 
 | A custom key function can be supplied to customize the sort order, and the | 
 | reverse flag can be set to request the result in descending order. | 
 | [end disabled clinic input]*/ | 
 |  | 
 | PyDoc_STRVAR(builtin_sorted__doc__, | 
 | "sorted($module, iterable, /, *, key=None, reverse=False)\n" | 
 | "--\n" | 
 | "\n" | 
 | "Return a new list containing all items from the iterable in ascending order.\n" | 
 | "\n" | 
 | "A custom key function can be supplied to customize the sort order, and the\n" | 
 | "reverse flag can be set to request the result in descending order."); | 
 |  | 
 | #define BUILTIN_SORTED_METHODDEF    \ | 
 |     {"sorted", (PyCFunction)builtin_sorted, METH_FASTCALL | METH_KEYWORDS, builtin_sorted__doc__}, | 
 |  | 
 | static PyObject * | 
 | builtin_sorted(PyObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames) | 
 | { | 
 |     PyObject *newlist, *v, *seq, *callable; | 
 |  | 
 |     /* Keyword arguments are passed through list.sort() which will check | 
 |        them. */ | 
 |     if (!_PyArg_UnpackStack(args, nargs, "sorted", 1, 1, &seq)) | 
 |         return NULL; | 
 |  | 
 |     newlist = PySequence_List(seq); | 
 |     if (newlist == NULL) | 
 |         return NULL; | 
 |  | 
 |     callable = _PyObject_GetAttrId(newlist, &PyId_sort); | 
 |     if (callable == NULL) { | 
 |         Py_DECREF(newlist); | 
 |         return NULL; | 
 |     } | 
 |  | 
 |     assert(nargs >= 1); | 
 |     v = _PyObject_FastCallKeywords(callable, args + 1, nargs - 1, kwnames); | 
 |     Py_DECREF(callable); | 
 |     if (v == NULL) { | 
 |         Py_DECREF(newlist); | 
 |         return NULL; | 
 |     } | 
 |     Py_DECREF(v); | 
 |     return newlist; | 
 | } | 
 |  | 
 |  | 
 | /* AC: cannot convert yet, as needs PEP 457 group support in inspect */ | 
 | static PyObject * | 
 | builtin_vars(PyObject *self, PyObject *args) | 
 | { | 
 |     PyObject *v = NULL; | 
 |     PyObject *d; | 
 |  | 
 |     if (!PyArg_UnpackTuple(args, "vars", 0, 1, &v)) | 
 |         return NULL; | 
 |     if (v == NULL) { | 
 |         d = PyEval_GetLocals(); | 
 |         if (d == NULL) | 
 |             return NULL; | 
 |         Py_INCREF(d); | 
 |     } | 
 |     else { | 
 |         d = _PyObject_GetAttrId(v, &PyId___dict__); | 
 |         if (d == NULL) { | 
 |             PyErr_SetString(PyExc_TypeError, | 
 |                 "vars() argument must have __dict__ attribute"); | 
 |             return NULL; | 
 |         } | 
 |     } | 
 |     return d; | 
 | } | 
 |  | 
 | PyDoc_STRVAR(vars_doc, | 
 | "vars([object]) -> dictionary\n\ | 
 | \n\ | 
 | Without arguments, equivalent to locals().\n\ | 
 | With an argument, equivalent to object.__dict__."); | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | sum as builtin_sum | 
 |  | 
 |     iterable: object | 
 |     start: object(c_default="NULL") = 0 | 
 |     / | 
 |  | 
 | Return the sum of a 'start' value (default: 0) plus an iterable of numbers | 
 |  | 
 | When the iterable is empty, return the start value. | 
 | This function is intended specifically for use with numeric values and may | 
 | reject non-numeric types. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start) | 
 | /*[clinic end generated code: output=df758cec7d1d302f input=3b5b7a9d7611c73a]*/ | 
 | { | 
 |     PyObject *result = start; | 
 |     PyObject *temp, *item, *iter; | 
 |  | 
 |     iter = PyObject_GetIter(iterable); | 
 |     if (iter == NULL) | 
 |         return NULL; | 
 |  | 
 |     if (result == NULL) { | 
 |         result = PyLong_FromLong(0); | 
 |         if (result == NULL) { | 
 |             Py_DECREF(iter); | 
 |             return NULL; | 
 |         } | 
 |     } else { | 
 |         /* reject string values for 'start' parameter */ | 
 |         if (PyUnicode_Check(result)) { | 
 |             PyErr_SetString(PyExc_TypeError, | 
 |                 "sum() can't sum strings [use ''.join(seq) instead]"); | 
 |             Py_DECREF(iter); | 
 |             return NULL; | 
 |         } | 
 |         if (PyBytes_Check(result)) { | 
 |             PyErr_SetString(PyExc_TypeError, | 
 |                 "sum() can't sum bytes [use b''.join(seq) instead]"); | 
 |             Py_DECREF(iter); | 
 |             return NULL; | 
 |         } | 
 |         if (PyByteArray_Check(result)) { | 
 |             PyErr_SetString(PyExc_TypeError, | 
 |                 "sum() can't sum bytearray [use b''.join(seq) instead]"); | 
 |             Py_DECREF(iter); | 
 |             return NULL; | 
 |         } | 
 |         Py_INCREF(result); | 
 |     } | 
 |  | 
 | #ifndef SLOW_SUM | 
 |     /* Fast addition by keeping temporary sums in C instead of new Python objects. | 
 |        Assumes all inputs are the same type.  If the assumption fails, default | 
 |        to the more general routine. | 
 |     */ | 
 |     if (PyLong_CheckExact(result)) { | 
 |         int overflow; | 
 |         long i_result = PyLong_AsLongAndOverflow(result, &overflow); | 
 |         /* If this already overflowed, don't even enter the loop. */ | 
 |         if (overflow == 0) { | 
 |             Py_DECREF(result); | 
 |             result = NULL; | 
 |         } | 
 |         while(result == NULL) { | 
 |             item = PyIter_Next(iter); | 
 |             if (item == NULL) { | 
 |                 Py_DECREF(iter); | 
 |                 if (PyErr_Occurred()) | 
 |                     return NULL; | 
 |                 return PyLong_FromLong(i_result); | 
 |             } | 
 |             if (PyLong_CheckExact(item)) { | 
 |                 long b = PyLong_AsLongAndOverflow(item, &overflow); | 
 |                 long x = i_result + b; | 
 |                 if (overflow == 0 && ((x^i_result) >= 0 || (x^b) >= 0)) { | 
 |                     i_result = x; | 
 |                     Py_DECREF(item); | 
 |                     continue; | 
 |                 } | 
 |             } | 
 |             /* Either overflowed or is not an int. Restore real objects and process normally */ | 
 |             result = PyLong_FromLong(i_result); | 
 |             if (result == NULL) { | 
 |                 Py_DECREF(item); | 
 |                 Py_DECREF(iter); | 
 |                 return NULL; | 
 |             } | 
 |             temp = PyNumber_Add(result, item); | 
 |             Py_DECREF(result); | 
 |             Py_DECREF(item); | 
 |             result = temp; | 
 |             if (result == NULL) { | 
 |                 Py_DECREF(iter); | 
 |                 return NULL; | 
 |             } | 
 |         } | 
 |     } | 
 |  | 
 |     if (PyFloat_CheckExact(result)) { | 
 |         double f_result = PyFloat_AS_DOUBLE(result); | 
 |         Py_DECREF(result); | 
 |         result = NULL; | 
 |         while(result == NULL) { | 
 |             item = PyIter_Next(iter); | 
 |             if (item == NULL) { | 
 |                 Py_DECREF(iter); | 
 |                 if (PyErr_Occurred()) | 
 |                     return NULL; | 
 |                 return PyFloat_FromDouble(f_result); | 
 |             } | 
 |             if (PyFloat_CheckExact(item)) { | 
 |                 PyFPE_START_PROTECT("add", Py_DECREF(item); Py_DECREF(iter); return 0) | 
 |                 f_result += PyFloat_AS_DOUBLE(item); | 
 |                 PyFPE_END_PROTECT(f_result) | 
 |                 Py_DECREF(item); | 
 |                 continue; | 
 |             } | 
 |             if (PyLong_CheckExact(item)) { | 
 |                 long value; | 
 |                 int overflow; | 
 |                 value = PyLong_AsLongAndOverflow(item, &overflow); | 
 |                 if (!overflow) { | 
 |                     PyFPE_START_PROTECT("add", Py_DECREF(item); Py_DECREF(iter); return 0) | 
 |                     f_result += (double)value; | 
 |                     PyFPE_END_PROTECT(f_result) | 
 |                     Py_DECREF(item); | 
 |                     continue; | 
 |                 } | 
 |             } | 
 |             result = PyFloat_FromDouble(f_result); | 
 |             temp = PyNumber_Add(result, item); | 
 |             Py_DECREF(result); | 
 |             Py_DECREF(item); | 
 |             result = temp; | 
 |             if (result == NULL) { | 
 |                 Py_DECREF(iter); | 
 |                 return NULL; | 
 |             } | 
 |         } | 
 |     } | 
 | #endif | 
 |  | 
 |     for(;;) { | 
 |         item = PyIter_Next(iter); | 
 |         if (item == NULL) { | 
 |             /* error, or end-of-sequence */ | 
 |             if (PyErr_Occurred()) { | 
 |                 Py_DECREF(result); | 
 |                 result = NULL; | 
 |             } | 
 |             break; | 
 |         } | 
 |         /* It's tempting to use PyNumber_InPlaceAdd instead of | 
 |            PyNumber_Add here, to avoid quadratic running time | 
 |            when doing 'sum(list_of_lists, [])'.  However, this | 
 |            would produce a change in behaviour: a snippet like | 
 |  | 
 |              empty = [] | 
 |              sum([[x] for x in range(10)], empty) | 
 |  | 
 |            would change the value of empty. */ | 
 |         temp = PyNumber_Add(result, item); | 
 |         Py_DECREF(result); | 
 |         Py_DECREF(item); | 
 |         result = temp; | 
 |         if (result == NULL) | 
 |             break; | 
 |     } | 
 |     Py_DECREF(iter); | 
 |     return result; | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | isinstance as builtin_isinstance | 
 |  | 
 |     obj: object | 
 |     class_or_tuple: object | 
 |     / | 
 |  | 
 | Return whether an object is an instance of a class or of a subclass thereof. | 
 |  | 
 | A tuple, as in ``isinstance(x, (A, B, ...))``, may be given as the target to | 
 | check against. This is equivalent to ``isinstance(x, A) or isinstance(x, B) | 
 | or ...`` etc. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_isinstance_impl(PyObject *module, PyObject *obj, | 
 |                         PyObject *class_or_tuple) | 
 | /*[clinic end generated code: output=6faf01472c13b003 input=ffa743db1daf7549]*/ | 
 | { | 
 |     int retval; | 
 |  | 
 |     retval = PyObject_IsInstance(obj, class_or_tuple); | 
 |     if (retval < 0) | 
 |         return NULL; | 
 |     return PyBool_FromLong(retval); | 
 | } | 
 |  | 
 |  | 
 | /*[clinic input] | 
 | issubclass as builtin_issubclass | 
 |  | 
 |     cls: object | 
 |     class_or_tuple: object | 
 |     / | 
 |  | 
 | Return whether 'cls' is a derived from another class or is the same class. | 
 |  | 
 | A tuple, as in ``issubclass(x, (A, B, ...))``, may be given as the target to | 
 | check against. This is equivalent to ``issubclass(x, A) or issubclass(x, B) | 
 | or ...`` etc. | 
 | [clinic start generated code]*/ | 
 |  | 
 | static PyObject * | 
 | builtin_issubclass_impl(PyObject *module, PyObject *cls, | 
 |                         PyObject *class_or_tuple) | 
 | /*[clinic end generated code: output=358412410cd7a250 input=af5f35e9ceaddaf6]*/ | 
 | { | 
 |     int retval; | 
 |  | 
 |     retval = PyObject_IsSubclass(cls, class_or_tuple); | 
 |     if (retval < 0) | 
 |         return NULL; | 
 |     return PyBool_FromLong(retval); | 
 | } | 
 |  | 
 |  | 
 | typedef struct { | 
 |     PyObject_HEAD | 
 |     Py_ssize_t          tuplesize; | 
 |     PyObject *ittuple;                  /* tuple of iterators */ | 
 |     PyObject *result; | 
 | } zipobject; | 
 |  | 
 | static PyObject * | 
 | zip_new(PyTypeObject *type, PyObject *args, PyObject *kwds) | 
 | { | 
 |     zipobject *lz; | 
 |     Py_ssize_t i; | 
 |     PyObject *ittuple;  /* tuple of iterators */ | 
 |     PyObject *result; | 
 |     Py_ssize_t tuplesize; | 
 |  | 
 |     if (type == &PyZip_Type && !_PyArg_NoKeywords("zip", kwds)) | 
 |         return NULL; | 
 |  | 
 |     /* args must be a tuple */ | 
 |     assert(PyTuple_Check(args)); | 
 |     tuplesize = PyTuple_GET_SIZE(args); | 
 |  | 
 |     /* obtain iterators */ | 
 |     ittuple = PyTuple_New(tuplesize); | 
 |     if (ittuple == NULL) | 
 |         return NULL; | 
 |     for (i=0; i < tuplesize; ++i) { | 
 |         PyObject *item = PyTuple_GET_ITEM(args, i); | 
 |         PyObject *it = PyObject_GetIter(item); | 
 |         if (it == NULL) { | 
 |             if (PyErr_ExceptionMatches(PyExc_TypeError)) | 
 |                 PyErr_Format(PyExc_TypeError, | 
 |                     "zip argument #%zd must support iteration", | 
 |                     i+1); | 
 |             Py_DECREF(ittuple); | 
 |             return NULL; | 
 |         } | 
 |         PyTuple_SET_ITEM(ittuple, i, it); | 
 |     } | 
 |  | 
 |     /* create a result holder */ | 
 |     result = PyTuple_New(tuplesize); | 
 |     if (result == NULL) { | 
 |         Py_DECREF(ittuple); | 
 |         return NULL; | 
 |     } | 
 |     for (i=0 ; i < tuplesize ; i++) { | 
 |         Py_INCREF(Py_None); | 
 |         PyTuple_SET_ITEM(result, i, Py_None); | 
 |     } | 
 |  | 
 |     /* create zipobject structure */ | 
 |     lz = (zipobject *)type->tp_alloc(type, 0); | 
 |     if (lz == NULL) { | 
 |         Py_DECREF(ittuple); | 
 |         Py_DECREF(result); | 
 |         return NULL; | 
 |     } | 
 |     lz->ittuple = ittuple; | 
 |     lz->tuplesize = tuplesize; | 
 |     lz->result = result; | 
 |  | 
 |     return (PyObject *)lz; | 
 | } | 
 |  | 
 | static void | 
 | zip_dealloc(zipobject *lz) | 
 | { | 
 |     PyObject_GC_UnTrack(lz); | 
 |     Py_XDECREF(lz->ittuple); | 
 |     Py_XDECREF(lz->result); | 
 |     Py_TYPE(lz)->tp_free(lz); | 
 | } | 
 |  | 
 | static int | 
 | zip_traverse(zipobject *lz, visitproc visit, void *arg) | 
 | { | 
 |     Py_VISIT(lz->ittuple); | 
 |     Py_VISIT(lz->result); | 
 |     return 0; | 
 | } | 
 |  | 
 | static PyObject * | 
 | zip_next(zipobject *lz) | 
 | { | 
 |     Py_ssize_t i; | 
 |     Py_ssize_t tuplesize = lz->tuplesize; | 
 |     PyObject *result = lz->result; | 
 |     PyObject *it; | 
 |     PyObject *item; | 
 |     PyObject *olditem; | 
 |  | 
 |     if (tuplesize == 0) | 
 |         return NULL; | 
 |     if (Py_REFCNT(result) == 1) { | 
 |         Py_INCREF(result); | 
 |         for (i=0 ; i < tuplesize ; i++) { | 
 |             it = PyTuple_GET_ITEM(lz->ittuple, i); | 
 |             item = (*Py_TYPE(it)->tp_iternext)(it); | 
 |             if (item == NULL) { | 
 |                 Py_DECREF(result); | 
 |                 return NULL; | 
 |             } | 
 |             olditem = PyTuple_GET_ITEM(result, i); | 
 |             PyTuple_SET_ITEM(result, i, item); | 
 |             Py_DECREF(olditem); | 
 |         } | 
 |     } else { | 
 |         result = PyTuple_New(tuplesize); | 
 |         if (result == NULL) | 
 |             return NULL; | 
 |         for (i=0 ; i < tuplesize ; i++) { | 
 |             it = PyTuple_GET_ITEM(lz->ittuple, i); | 
 |             item = (*Py_TYPE(it)->tp_iternext)(it); | 
 |             if (item == NULL) { | 
 |                 Py_DECREF(result); | 
 |                 return NULL; | 
 |             } | 
 |             PyTuple_SET_ITEM(result, i, item); | 
 |         } | 
 |     } | 
 |     return result; | 
 | } | 
 |  | 
 | static PyObject * | 
 | zip_reduce(zipobject *lz, PyObject *Py_UNUSED(ignored)) | 
 | { | 
 |     /* Just recreate the zip with the internal iterator tuple */ | 
 |     return Py_BuildValue("OO", Py_TYPE(lz), lz->ittuple); | 
 | } | 
 |  | 
 | static PyMethodDef zip_methods[] = { | 
 |     {"__reduce__",   (PyCFunction)zip_reduce,   METH_NOARGS, reduce_doc}, | 
 |     {NULL,           NULL}           /* sentinel */ | 
 | }; | 
 |  | 
 | PyDoc_STRVAR(zip_doc, | 
 | "zip(iter1 [,iter2 [...]]) --> zip object\n\ | 
 | \n\ | 
 | Return a zip object whose .__next__() method returns a tuple where\n\ | 
 | the i-th element comes from the i-th iterable argument.  The .__next__()\n\ | 
 | method continues until the shortest iterable in the argument sequence\n\ | 
 | is exhausted and then it raises StopIteration."); | 
 |  | 
 | PyTypeObject PyZip_Type = { | 
 |     PyVarObject_HEAD_INIT(&PyType_Type, 0) | 
 |     "zip",                              /* tp_name */ | 
 |     sizeof(zipobject),                  /* tp_basicsize */ | 
 |     0,                                  /* tp_itemsize */ | 
 |     /* methods */ | 
 |     (destructor)zip_dealloc,            /* tp_dealloc */ | 
 |     0,                                  /* tp_print */ | 
 |     0,                                  /* tp_getattr */ | 
 |     0,                                  /* tp_setattr */ | 
 |     0,                                  /* tp_reserved */ | 
 |     0,                                  /* tp_repr */ | 
 |     0,                                  /* tp_as_number */ | 
 |     0,                                  /* tp_as_sequence */ | 
 |     0,                                  /* tp_as_mapping */ | 
 |     0,                                  /* tp_hash */ | 
 |     0,                                  /* tp_call */ | 
 |     0,                                  /* tp_str */ | 
 |     PyObject_GenericGetAttr,            /* tp_getattro */ | 
 |     0,                                  /* tp_setattro */ | 
 |     0,                                  /* tp_as_buffer */ | 
 |     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | | 
 |         Py_TPFLAGS_BASETYPE,            /* tp_flags */ | 
 |     zip_doc,                            /* tp_doc */ | 
 |     (traverseproc)zip_traverse,    /* tp_traverse */ | 
 |     0,                                  /* tp_clear */ | 
 |     0,                                  /* tp_richcompare */ | 
 |     0,                                  /* tp_weaklistoffset */ | 
 |     PyObject_SelfIter,                  /* tp_iter */ | 
 |     (iternextfunc)zip_next,     /* tp_iternext */ | 
 |     zip_methods,                        /* tp_methods */ | 
 |     0,                                  /* tp_members */ | 
 |     0,                                  /* tp_getset */ | 
 |     0,                                  /* tp_base */ | 
 |     0,                                  /* tp_dict */ | 
 |     0,                                  /* tp_descr_get */ | 
 |     0,                                  /* tp_descr_set */ | 
 |     0,                                  /* tp_dictoffset */ | 
 |     0,                                  /* tp_init */ | 
 |     PyType_GenericAlloc,                /* tp_alloc */ | 
 |     zip_new,                            /* tp_new */ | 
 |     PyObject_GC_Del,                    /* tp_free */ | 
 | }; | 
 |  | 
 |  | 
 | static PyMethodDef builtin_methods[] = { | 
 |     {"__build_class__", (PyCFunction)builtin___build_class__, | 
 |      METH_FASTCALL | METH_KEYWORDS, build_class_doc}, | 
 |     {"__import__",      (PyCFunction)builtin___import__, METH_VARARGS | METH_KEYWORDS, import_doc}, | 
 |     BUILTIN_ABS_METHODDEF | 
 |     BUILTIN_ALL_METHODDEF | 
 |     BUILTIN_ANY_METHODDEF | 
 |     BUILTIN_ASCII_METHODDEF | 
 |     BUILTIN_BIN_METHODDEF | 
 |     {"breakpoint",      (PyCFunction)builtin_breakpoint, METH_FASTCALL | METH_KEYWORDS, breakpoint_doc}, | 
 |     BUILTIN_CALLABLE_METHODDEF | 
 |     BUILTIN_CHR_METHODDEF | 
 |     BUILTIN_COMPILE_METHODDEF | 
 |     BUILTIN_DELATTR_METHODDEF | 
 |     {"dir",             builtin_dir,        METH_VARARGS, dir_doc}, | 
 |     BUILTIN_DIVMOD_METHODDEF | 
 |     BUILTIN_EVAL_METHODDEF | 
 |     BUILTIN_EXEC_METHODDEF | 
 |     BUILTIN_FORMAT_METHODDEF | 
 |     {"getattr",         (PyCFunction)builtin_getattr, METH_FASTCALL, getattr_doc}, | 
 |     BUILTIN_GLOBALS_METHODDEF | 
 |     BUILTIN_HASATTR_METHODDEF | 
 |     BUILTIN_HASH_METHODDEF | 
 |     BUILTIN_HEX_METHODDEF | 
 |     BUILTIN_ID_METHODDEF | 
 |     BUILTIN_INPUT_METHODDEF | 
 |     BUILTIN_ISINSTANCE_METHODDEF | 
 |     BUILTIN_ISSUBCLASS_METHODDEF | 
 |     {"iter",            builtin_iter,       METH_VARARGS, iter_doc}, | 
 |     BUILTIN_LEN_METHODDEF | 
 |     BUILTIN_LOCALS_METHODDEF | 
 |     {"max",             (PyCFunction)builtin_max,        METH_VARARGS | METH_KEYWORDS, max_doc}, | 
 |     {"min",             (PyCFunction)builtin_min,        METH_VARARGS | METH_KEYWORDS, min_doc}, | 
 |     {"next",            (PyCFunction)builtin_next,       METH_FASTCALL, next_doc}, | 
 |     BUILTIN_OCT_METHODDEF | 
 |     BUILTIN_ORD_METHODDEF | 
 |     BUILTIN_POW_METHODDEF | 
 |     {"print",           (PyCFunction)builtin_print,      METH_FASTCALL | METH_KEYWORDS, print_doc}, | 
 |     BUILTIN_REPR_METHODDEF | 
 |     BUILTIN_ROUND_METHODDEF | 
 |     BUILTIN_SETATTR_METHODDEF | 
 |     BUILTIN_SORTED_METHODDEF | 
 |     BUILTIN_SUM_METHODDEF | 
 |     {"vars",            builtin_vars,       METH_VARARGS, vars_doc}, | 
 |     {NULL,              NULL}, | 
 | }; | 
 |  | 
 | PyDoc_STRVAR(builtin_doc, | 
 | "Built-in functions, exceptions, and other objects.\n\ | 
 | \n\ | 
 | Noteworthy: None is the `nil' object; Ellipsis represents `...' in slices."); | 
 |  | 
 | static struct PyModuleDef builtinsmodule = { | 
 |     PyModuleDef_HEAD_INIT, | 
 |     "builtins", | 
 |     builtin_doc, | 
 |     -1, /* multiple "initialization" just copies the module dict. */ | 
 |     builtin_methods, | 
 |     NULL, | 
 |     NULL, | 
 |     NULL, | 
 |     NULL | 
 | }; | 
 |  | 
 |  | 
 | PyObject * | 
 | _PyBuiltin_Init(void) | 
 | { | 
 |     PyObject *mod, *dict, *debug; | 
 |  | 
 |     if (PyType_Ready(&PyFilter_Type) < 0 || | 
 |         PyType_Ready(&PyMap_Type) < 0 || | 
 |         PyType_Ready(&PyZip_Type) < 0) | 
 |         return NULL; | 
 |  | 
 |     mod = _PyModule_CreateInitialized(&builtinsmodule, PYTHON_API_VERSION); | 
 |     if (mod == NULL) | 
 |         return NULL; | 
 |     dict = PyModule_GetDict(mod); | 
 |  | 
 | #ifdef Py_TRACE_REFS | 
 |     /* "builtins" exposes a number of statically allocated objects | 
 |      * that, before this code was added in 2.3, never showed up in | 
 |      * the list of "all objects" maintained by Py_TRACE_REFS.  As a | 
 |      * result, programs leaking references to None and False (etc) | 
 |      * couldn't be diagnosed by examining sys.getobjects(0). | 
 |      */ | 
 | #define ADD_TO_ALL(OBJECT) _Py_AddToAllObjects((PyObject *)(OBJECT), 0) | 
 | #else | 
 | #define ADD_TO_ALL(OBJECT) (void)0 | 
 | #endif | 
 |  | 
 | #define SETBUILTIN(NAME, OBJECT) \ | 
 |     if (PyDict_SetItemString(dict, NAME, (PyObject *)OBJECT) < 0)       \ | 
 |         return NULL;                                                    \ | 
 |     ADD_TO_ALL(OBJECT) | 
 |  | 
 |     SETBUILTIN("None",                  Py_None); | 
 |     SETBUILTIN("Ellipsis",              Py_Ellipsis); | 
 |     SETBUILTIN("NotImplemented",        Py_NotImplemented); | 
 |     SETBUILTIN("False",                 Py_False); | 
 |     SETBUILTIN("True",                  Py_True); | 
 |     SETBUILTIN("bool",                  &PyBool_Type); | 
 |     SETBUILTIN("memoryview",        &PyMemoryView_Type); | 
 |     SETBUILTIN("bytearray",             &PyByteArray_Type); | 
 |     SETBUILTIN("bytes",                 &PyBytes_Type); | 
 |     SETBUILTIN("classmethod",           &PyClassMethod_Type); | 
 |     SETBUILTIN("complex",               &PyComplex_Type); | 
 |     SETBUILTIN("dict",                  &PyDict_Type); | 
 |     SETBUILTIN("enumerate",             &PyEnum_Type); | 
 |     SETBUILTIN("filter",                &PyFilter_Type); | 
 |     SETBUILTIN("float",                 &PyFloat_Type); | 
 |     SETBUILTIN("frozenset",             &PyFrozenSet_Type); | 
 |     SETBUILTIN("property",              &PyProperty_Type); | 
 |     SETBUILTIN("int",                   &PyLong_Type); | 
 |     SETBUILTIN("list",                  &PyList_Type); | 
 |     SETBUILTIN("map",                   &PyMap_Type); | 
 |     SETBUILTIN("object",                &PyBaseObject_Type); | 
 |     SETBUILTIN("range",                 &PyRange_Type); | 
 |     SETBUILTIN("reversed",              &PyReversed_Type); | 
 |     SETBUILTIN("set",                   &PySet_Type); | 
 |     SETBUILTIN("slice",                 &PySlice_Type); | 
 |     SETBUILTIN("staticmethod",          &PyStaticMethod_Type); | 
 |     SETBUILTIN("str",                   &PyUnicode_Type); | 
 |     SETBUILTIN("super",                 &PySuper_Type); | 
 |     SETBUILTIN("tuple",                 &PyTuple_Type); | 
 |     SETBUILTIN("type",                  &PyType_Type); | 
 |     SETBUILTIN("zip",                   &PyZip_Type); | 
 |     debug = PyBool_FromLong(Py_OptimizeFlag == 0); | 
 |     if (PyDict_SetItemString(dict, "__debug__", debug) < 0) { | 
 |         Py_DECREF(debug); | 
 |         return NULL; | 
 |     } | 
 |     Py_DECREF(debug); | 
 |  | 
 |     return mod; | 
 | #undef ADD_TO_ALL | 
 | #undef SETBUILTIN | 
 | } |