#include "Python.h" PyDoc_STRVAR(operator_doc,"Operator interface.\n\\n\This module exports a set of functions implemented in C corresponding\n\to the intrinsic operators of Python.  For example, operator.add(x, y)\n\is equivalent to the expression x+y.  The function names are those\n\used for special class methods; variants without leading and trailing\n\'__' are also provided for convenience."); #define spam1(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a1) { \  return AOP(a1); } #define spam2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1, *a2; \  if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \  return AOP(a1,a2); } #define spamoi(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1; int a2; \  if(! PyArg_ParseTuple(a,"Oi:" #OP,&a1,&a2)) return NULL; \  return AOP(a1,a2); } #define spam2n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1, *a2; \  if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \  if(-1 == AOP(a1,a2)) return NULL; \  Py_INCREF(Py_None); \  return Py_None; } #define spam3n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1, *a2, *a3; \  if(! PyArg_UnpackTuple(a,#OP,3,3,&a1,&a2,&a3)) return NULL; \  if(-1 == AOP(a1,a2,a3)) return NULL; \  Py_INCREF(Py_None); \  return Py_None; } #define spami(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a1) { \  long r; \  if(-1 == (r=AOP(a1))) return NULL; \  return PyBool_FromLong(r); } #define spami2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1, *a2; long r; \  if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \  if(-1 == (r=AOP(a1,a2))) return NULL; \  return PyInt_FromLong(r); } #define spamn2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1, *a2; Py_ssize_t r; \  if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \  if(-1 == (r=AOP(a1,a2))) return NULL; \  return PyInt_FromSsize_t(r); } #define spami2b(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1, *a2; long r; \  if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \  if(-1 == (r=AOP(a1,a2))) return NULL; \  return PyBool_FromLong(r); } #define spamrc(OP,A) static PyObject *OP(PyObject *s, PyObject *a) { \  PyObject *a1, *a2; \  if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \  return PyObject_RichCompare(a1,a2,A); } spami(isCallable       , PyCallable_Check)spami(isNumberType     , PyNumber_Check)spami(truth            , PyObject_IsTrue)spam2(op_add           , PyNumber_Add)spam2(op_sub           , PyNumber_Subtract)spam2(op_mul           , PyNumber_Multiply)spam2(op_div           , PyNumber_Divide)spam2(op_floordiv      , PyNumber_FloorDivide)spam2(op_truediv       , PyNumber_TrueDivide)spam2(op_mod           , PyNumber_Remainder)spam1(op_neg           , PyNumber_Negative)spam1(op_pos           , PyNumber_Positive)spam1(op_abs           , PyNumber_Absolute)spam1(op_inv           , PyNumber_Invert)spam1(op_invert        , PyNumber_Invert)spam2(op_lshift        , PyNumber_Lshift)spam2(op_rshift        , PyNumber_Rshift)spami(op_not_          , PyObject_Not)spam2(op_and_          , PyNumber_And)spam2(op_xor           , PyNumber_Xor)spam2(op_or_           , PyNumber_Or)spam2(op_iadd          , PyNumber_InPlaceAdd)spam2(op_isub          , PyNumber_InPlaceSubtract)spam2(op_imul          , PyNumber_InPlaceMultiply)spam2(op_idiv          , PyNumber_InPlaceDivide)spam2(op_ifloordiv     , PyNumber_InPlaceFloorDivide)spam2(op_itruediv      , PyNumber_InPlaceTrueDivide)spam2(op_imod          , PyNumber_InPlaceRemainder)spam2(op_ilshift       , PyNumber_InPlaceLshift)spam2(op_irshift       , PyNumber_InPlaceRshift)spam2(op_iand          , PyNumber_InPlaceAnd)spam2(op_ixor          , PyNumber_InPlaceXor)spam2(op_ior           , PyNumber_InPlaceOr)spami(isSequenceType   , PySequence_Check)spam2(op_concat        , PySequence_Concat)spamoi(op_repeat       , PySequence_Repeat)spam2(op_iconcat       , PySequence_InPlaceConcat)spamoi(op_irepeat      , PySequence_InPlaceRepeat)spami2b(op_contains     , PySequence_Contains)spami2b(sequenceIncludes, PySequence_Contains)spamn2(indexOf         , PySequence_Index)spamn2(countOf         , PySequence_Count)spami(isMappingType    , PyMapping_Check)spam2(op_getitem       , PyObject_GetItem)spam2n(op_delitem       , PyObject_DelItem)spam3n(op_setitem      , PyObject_SetItem)spamrc(op_lt           , Py_LT)spamrc(op_le           , Py_LE)spamrc(op_eq           , Py_EQ)spamrc(op_ne           , Py_NE)spamrc(op_gt           , Py_GT)spamrc(op_ge           , Py_GE) static PyObject*op_pow(PyObject *s, PyObject *a){	PyObject *a1, *a2;	if (PyArg_UnpackTuple(a,"pow", 2, 2, &a1, &a2))		return PyNumber_Power(a1, a2, Py_None);	return NULL;} static PyObject*op_ipow(PyObject *s, PyObject *a){	PyObject *a1, *a2;	if (PyArg_UnpackTuple(a,"ipow", 2, 2, &a1, &a2))		return PyNumber_InPlacePower(a1, a2, Py_None);	return NULL;} static PyObject *op_index(PyObject *s, PyObject *a){	return PyNumber_Index(a);} static PyObject*is_(PyObject *s, PyObject *a){	PyObject *a1, *a2, *result = NULL;	if (PyArg_UnpackTuple(a,"is_", 2, 2, &a1, &a2)) {		result = (a1 == a2) ? Py_True : Py_False;		Py_INCREF(result);	}	return result;} static PyObject*is_not(PyObject *s, PyObject *a){	PyObject *a1, *a2, *result = NULL;	if (PyArg_UnpackTuple(a,"is_not", 2, 2, &a1, &a2)) {		result = (a1 != a2) ? Py_True : Py_False;		Py_INCREF(result);	}	return result;} static PyObject*op_getslice(PyObject *s, PyObject *a){        PyObject *a1;        Py_ssize_t a2, a3;         if (!PyArg_ParseTuple(a, "Onn:getslice", &a1, &a2, &a3))                return NULL;        return PySequence_GetSlice(a1, a2, a3);} static PyObject*op_setslice(PyObject *s, PyObject *a){        PyObject *a1, *a4;        Py_ssize_t a2, a3;         if (!PyArg_ParseTuple(a, "OnnO:setslice", &a1, &a2, &a3, &a4))                return NULL;         if (-1 == PySequence_SetSlice(a1, a2, a3, a4))                return NULL; 	Py_RETURN_NONE;} static PyObject*op_delslice(PyObject *s, PyObject *a){        PyObject *a1;        Py_ssize_t a2, a3;         if (!PyArg_ParseTuple(a, "Onn:delslice", &a1, &a2, &a3))                return NULL;         if (-1 == PySequence_DelSlice(a1, a2, a3))                return NULL; 	Py_RETURN_NONE;} #undef spam1#undef spam2#undef spam1o#undef spam1o#define spam1(OP,DOC) {#OP, OP, METH_VARARGS, PyDoc_STR(DOC)},#define spam2(OP,ALTOP,DOC) {#OP, op_##OP, METH_VARARGS, PyDoc_STR(DOC)}, \			   {#ALTOP, op_##OP, METH_VARARGS, PyDoc_STR(DOC)}, #define spam1o(OP,DOC) {#OP, OP, METH_O, PyDoc_STR(DOC)},#define spam2o(OP,ALTOP,DOC) {#OP, op_##OP, METH_O, PyDoc_STR(DOC)}, \			   {#ALTOP, op_##OP, METH_O, PyDoc_STR(DOC)},  static struct PyMethodDef operator_methods[] = { spam1o(isCallable, "isCallable(a) -- Same as callable(a).")spam1o(isNumberType, "isNumberType(a) -- Return True if a has a numeric type, False otherwise.")spam1o(isSequenceType, "isSequenceType(a) -- Return True if a has a sequence type, False otherwise.")spam1o(truth, "truth(a) -- Return True if a is true, False otherwise.")spam2(contains,__contains__, "contains(a, b) -- Same as b in a (note reversed operands).")spam1(sequenceIncludes, "sequenceIncludes(a, b) -- Same as b in a (note reversed operands; deprecated).")spam1(indexOf, "indexOf(a, b) -- Return the first index of b in a.")spam1(countOf, "countOf(a, b) -- Return the number of times b occurs in a.")spam1o(isMappingType, "isMappingType(a) -- Return True if a has a mapping type, False otherwise.") spam1(is_, "is_(a, b) -- Same as a is b.")spam1(is_not, "is_not(a, b) -- Same as a is not b.")spam2o(index, __index__, "index(a) -- Same as a.__index__()")spam2(add,__add__, "add(a, b) -- Same as a + b.")spam2(sub,__sub__, "sub(a, b) -- Same as a - b.")spam2(mul,__mul__, "mul(a, b) -- Same as a * b.")spam2(div,__div__, "div(a, b) -- Same as a / b when __future__.division is not in effect.")spam2(floordiv,__floordiv__, "floordiv(a, b) -- Same as a // b.")spam2(truediv,__truediv__, "truediv(a, b) -- Same as a / b when __future__.division is in effect.")spam2(mod,__mod__, "mod(a, b) -- Same as a % b.")spam2o(neg,__neg__, "neg(a) -- Same as -a.")spam2o(pos,__pos__, "pos(a) -- Same as +a.")spam2o(abs,__abs__, "abs(a) -- Same as abs(a).")spam2o(inv,__inv__, "inv(a) -- Same as ~a.")spam2o(invert,__invert__, "invert(a) -- Same as ~a.")spam2(lshift,__lshift__, "lshift(a, b) -- Same as a << b.")spam2(rshift,__rshift__, "rshift(a, b) -- Same as a >> b.")spam2o(not_,__not__, "not_(a) -- Same as not a.")spam2(and_,__and__, "and_(a, b) -- Same as a & b.")spam2(xor,__xor__, "xor(a, b) -- Same as a ^ b.")spam2(or_,__or__, "or_(a, b) -- Same as a | b.")spam2(iadd,__iadd__, "iadd(a, b) -- Same as a += b.")spam2(isub,__isub__, "isub(a, b) -- Same as a -= b.")spam2(imul,__imul__, "imul(a, b) -- Same as a *= b.")spam2(idiv,__idiv__, "idiv(a, b) -- Same as a /= b when __future__.division is not in effect.")spam2(ifloordiv,__ifloordiv__, "ifloordiv(a, b) -- Same as a //= b.")spam2(itruediv,__itruediv__, "itruediv(a, b) -- Same as a /= b when __future__.division is in effect.")spam2(imod,__imod__, "imod(a, b) -- Same as a %= b.")spam2(ilshift,__ilshift__, "ilshift(a, b) -- Same as a <<= b.")spam2(irshift,__irshift__, "irshift(a, b) -- Same as a >>= b.")spam2(iand,__iand__, "iand(a, b) -- Same as a &= b.")spam2(ixor,__ixor__, "ixor(a, b) -- Same as a ^= b.")spam2(ior,__ior__, "ior(a, b) -- Same as a |= b.")spam2(concat,__concat__, "concat(a, b) -- Same as a + b, for a and b sequences.")spam2(repeat,__repeat__, "repeat(a, b) -- Return a * b, where a is a sequence, and b is an integer.")spam2(iconcat,__iconcat__, "iconcat(a, b) -- Same as a += b, for a and b sequences.")spam2(irepeat,__irepeat__, "irepeat(a, b) -- Same as a *= b, where a is a sequence, and b is an integer.")spam2(getitem,__getitem__, "getitem(a, b) -- Same as a[b].")spam2(setitem,__setitem__, "setitem(a, b, c) -- Same as a[b] = c.")spam2(delitem,__delitem__, "delitem(a, b) -- Same as del a[b].")spam2(pow,__pow__, "pow(a, b) -- Same as a ** b.")spam2(ipow,__ipow__, "ipow(a, b) -- Same as a **= b.")spam2(getslice,__getslice__, "getslice(a, b, c) -- Same as a[b:c].")spam2(setslice,__setslice__,"setslice(a, b, c, d) -- Same as a[b:c] = d.")spam2(delslice,__delslice__,"delslice(a, b, c) -- Same as del a[b:c].")spam2(lt,__lt__, "lt(a, b) -- Same as a<b.")spam2(le,__le__, "le(a, b) -- Same as a<=b.")spam2(eq,__eq__, "eq(a, b) -- Same as a==b.")spam2(ne,__ne__, "ne(a, b) -- Same as a!=b.")spam2(gt,__gt__, "gt(a, b) -- Same as a>b.")spam2(ge,__ge__, "ge(a, b) -- Same as a>=b.") 	{NULL,		NULL}		/* sentinel */ }; /* itemgetter object **********************************************************/ typedef struct {	PyObject_HEAD	Py_ssize_t nitems;	PyObject *item;} itemgetterobject; static PyTypeObject itemgetter_type; static PyObject *itemgetter_new(PyTypeObject *type, PyObject *args, PyObject *kwds){	itemgetterobject *ig;	PyObject *item;	Py_ssize_t nitems; 	if (!_PyArg_NoKeywords("itemgetter()", kwds))		return NULL; 	nitems = PyTuple_GET_SIZE(args);	if (nitems <= 1) {		if (!PyArg_UnpackTuple(args, "itemgetter", 1, 1, &item))			return NULL;	} else 		item = args; 	/* create itemgetterobject structure */	ig = PyObject_GC_New(itemgetterobject, &itemgetter_type);	if (ig == NULL) 		return NULL;			Py_INCREF(item);	ig->item = item;	ig->nitems = nitems; 	PyObject_GC_Track(ig);	return (PyObject *)ig;} static voiditemgetter_dealloc(itemgetterobject *ig){	PyObject_GC_UnTrack(ig);	Py_XDECREF(ig->item);	PyObject_GC_Del(ig);} static intitemgetter_traverse(itemgetterobject *ig, visitproc visit, void *arg){	Py_VISIT(ig->item);	return 0;} static PyObject *itemgetter_call(itemgetterobject *ig, PyObject *args, PyObject *kw){	PyObject *obj, *result;	Py_ssize_t i, nitems=ig->nitems; 	if (!PyArg_UnpackTuple(args, "itemgetter", 1, 1, &obj))		return NULL;	if (nitems == 1)		return PyObject_GetItem(obj, ig->item); 	assert(PyTuple_Check(ig->item));	assert(PyTuple_GET_SIZE(ig->item) == nitems); 	result = PyTuple_New(nitems);	if (result == NULL)		return NULL; 	for (i=0 ; i < nitems ; i++) {		PyObject *item, *val;		item = PyTuple_GET_ITEM(ig->item, i);		val = PyObject_GetItem(obj, item);		if (val == NULL) {			Py_DECREF(result);			return NULL;		}		PyTuple_SET_ITEM(result, i, val);	}	return result;} PyDoc_STRVAR(itemgetter_doc,"itemgetter(item, ...) --> itemgetter object\n\\n\Return a callable object that fetches the given item(s) from its operand.\n\After, f=itemgetter(2), the call f(r) returns r[2].\n\After, g=itemgetter(2,5,3), the call g(r) returns (r[2], r[5], r[3])"); static PyTypeObject itemgetter_type = {	PyObject_HEAD_INIT(NULL)	0,				/* ob_size */	"operator.itemgetter",		/* tp_name */	sizeof(itemgetterobject),	/* tp_basicsize */	0,				/* tp_itemsize */	/* methods */	(destructor)itemgetter_dealloc,	/* tp_dealloc */	0,				/* tp_print */	0,				/* tp_getattr */	0,				/* tp_setattr */	0,				/* tp_compare */	0,				/* tp_repr */	0,				/* tp_as_number */	0,				/* tp_as_sequence */	0,				/* tp_as_mapping */	0,				/* tp_hash */	(ternaryfunc)itemgetter_call,	/* tp_call */	0,				/* tp_str */	PyObject_GenericGetAttr,	/* tp_getattro */	0,				/* tp_setattro */	0,				/* tp_as_buffer */	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,	/* tp_flags */	itemgetter_doc,			/* tp_doc */	(traverseproc)itemgetter_traverse,	/* tp_traverse */	0,				/* tp_clear */	0,				/* tp_richcompare */	0,				/* tp_weaklistoffset */	0,				/* tp_iter */	0,				/* tp_iternext */	0,				/* 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 */	0,				/* tp_alloc */	itemgetter_new,			/* tp_new */	0,				/* tp_free */};  /* attrgetter object **********************************************************/ typedef struct {	PyObject_HEAD	Py_ssize_t nattrs;	PyObject *attr;} attrgetterobject; static PyTypeObject attrgetter_type; static PyObject *attrgetter_new(PyTypeObject *type, PyObject *args, PyObject *kwds){	attrgetterobject *ag;	PyObject *attr;	Py_ssize_t nattrs; 	if (!_PyArg_NoKeywords("attrgetter()", kwds))		return NULL; 	nattrs = PyTuple_GET_SIZE(args);	if (nattrs <= 1) {		if (!PyArg_UnpackTuple(args, "attrgetter", 1, 1, &attr))			return NULL;	} else 		attr = args; 	/* create attrgetterobject structure */	ag = PyObject_GC_New(attrgetterobject, &attrgetter_type);	if (ag == NULL) 		return NULL;			Py_INCREF(attr);	ag->attr = attr;	ag->nattrs = nattrs; 	PyObject_GC_Track(ag);	return (PyObject *)ag;} static voidattrgetter_dealloc(attrgetterobject *ag){	PyObject_GC_UnTrack(ag);	Py_XDECREF(ag->attr);	PyObject_GC_Del(ag);} static intattrgetter_traverse(attrgetterobject *ag, visitproc visit, void *arg){	Py_VISIT(ag->attr);	return 0;} static PyObject *attrgetter_call(attrgetterobject *ag, PyObject *args, PyObject *kw)

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