2002-06-13 17:33:02 -03:00
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#include "Python.h"
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PyDoc_STRVAR(operator_doc,
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"Operator interface.\n\
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1996-07-30 13:55:54 -03:00
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\n\
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This module exports a set of functions implemented in C corresponding\n\
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to the intrinsic operators of Python. For example, operator.add(x, y)\n\
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is equivalent to the expression x+y. The function names are those\n\
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2009-11-04 03:38:12 -04:00
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used for special methods; variants without leading and trailing\n\
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2002-06-13 17:33:02 -03:00
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'__' are also provided for convenience.");
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1996-07-30 13:55:54 -03:00
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2003-01-03 04:24:58 -04:00
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#define spam1(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a1) { \
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1996-07-30 13:55:54 -03:00
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return AOP(a1); }
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2000-07-08 01:12:08 -03:00
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#define spam2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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PyObject *a1, *a2; \
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2002-12-29 12:33:45 -04:00
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if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \
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1996-07-30 13:55:54 -03:00
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return AOP(a1,a2); }
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2000-07-08 01:12:08 -03:00
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#define spamoi(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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1996-07-30 13:55:54 -03:00
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PyObject *a1; int a2; \
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2000-09-17 13:09:27 -03:00
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if(! PyArg_ParseTuple(a,"Oi:" #OP,&a1,&a2)) return NULL; \
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1996-07-30 13:55:54 -03:00
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return AOP(a1,a2); }
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2000-07-08 01:12:08 -03:00
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#define spam2n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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PyObject *a1, *a2; \
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2002-12-29 12:33:45 -04:00
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if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \
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1996-07-30 13:55:54 -03:00
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if(-1 == AOP(a1,a2)) return NULL; \
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Py_INCREF(Py_None); \
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return Py_None; }
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2000-07-08 01:12:08 -03:00
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#define spam3n(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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PyObject *a1, *a2, *a3; \
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2002-12-29 12:33:45 -04:00
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if(! PyArg_UnpackTuple(a,#OP,3,3,&a1,&a2,&a3)) return NULL; \
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1996-07-30 13:55:54 -03:00
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if(-1 == AOP(a1,a2,a3)) return NULL; \
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Py_INCREF(Py_None); \
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return Py_None; }
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2003-01-03 04:24:58 -04:00
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#define spami(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a1) { \
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long r; \
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1996-07-30 13:55:54 -03:00
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if(-1 == (r=AOP(a1))) return NULL; \
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2002-04-03 18:41:51 -04:00
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return PyBool_FromLong(r); }
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2000-07-08 01:12:08 -03:00
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#define spami2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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PyObject *a1, *a2; long r; \
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2002-12-29 12:33:45 -04:00
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if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \
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1996-07-30 13:55:54 -03:00
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if(-1 == (r=AOP(a1,a2))) return NULL; \
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return PyInt_FromLong(r); }
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2006-04-22 08:15:41 -03:00
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#define spamn2(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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PyObject *a1, *a2; Py_ssize_t r; \
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if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \
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if(-1 == (r=AOP(a1,a2))) return NULL; \
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return PyInt_FromSsize_t(r); }
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2002-04-03 18:41:51 -04:00
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#define spami2b(OP,AOP) static PyObject *OP(PyObject *s, PyObject *a) { \
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PyObject *a1, *a2; long r; \
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if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \
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2002-04-03 18:41:51 -04:00
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if(-1 == (r=AOP(a1,a2))) return NULL; \
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return PyBool_FromLong(r); }
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2001-08-09 17:14:34 -03:00
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#define spamrc(OP,A) static PyObject *OP(PyObject *s, PyObject *a) { \
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PyObject *a1, *a2; \
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if(! PyArg_UnpackTuple(a,#OP,2,2,&a1,&a2)) return NULL; \
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2001-08-09 17:14:34 -03:00
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return PyObject_RichCompare(a1,a2,A); }
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2009-07-05 01:22:40 -03:00
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/* Deprecated operators that need warnings. */
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static int
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op_isCallable(PyObject *x)
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{
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2010-05-09 11:46:46 -03:00
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if (PyErr_WarnPy3k("operator.isCallable() is not supported in 3.x. "
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"Use hasattr(obj, '__call__').", 1) < 0)
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return -1;
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return PyCallable_Check(x);
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2009-07-05 01:22:40 -03:00
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}
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static int
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op_sequenceIncludes(PyObject *seq, PyObject* ob)
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{
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if (PyErr_WarnPy3k("operator.sequenceIncludes() is not supported "
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"in 3.x. Use operator.contains().", 1) < 0)
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return -1;
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return PySequence_Contains(seq, ob);
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2009-07-05 01:22:40 -03:00
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}
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spami(isCallable , op_isCallable)
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spami(isNumberType , PyNumber_Check)
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spami(truth , PyObject_IsTrue)
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1996-08-21 14:40:51 -03:00
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spam2(op_add , PyNumber_Add)
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spam2(op_sub , PyNumber_Subtract)
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spam2(op_mul , PyNumber_Multiply)
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spam2(op_div , PyNumber_Divide)
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spam2(op_floordiv , PyNumber_FloorDivide)
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spam2(op_truediv , PyNumber_TrueDivide)
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spam2(op_mod , PyNumber_Remainder)
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spam1(op_neg , PyNumber_Negative)
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spam1(op_pos , PyNumber_Positive)
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spam1(op_abs , PyNumber_Absolute)
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spam1(op_inv , PyNumber_Invert)
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spam1(op_invert , PyNumber_Invert)
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spam2(op_lshift , PyNumber_Lshift)
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spam2(op_rshift , PyNumber_Rshift)
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spami(op_not_ , PyObject_Not)
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spam2(op_and_ , PyNumber_And)
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spam2(op_xor , PyNumber_Xor)
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spam2(op_or_ , PyNumber_Or)
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2005-12-29 12:50:42 -04:00
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spam2(op_iadd , PyNumber_InPlaceAdd)
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spam2(op_isub , PyNumber_InPlaceSubtract)
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spam2(op_imul , PyNumber_InPlaceMultiply)
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spam2(op_idiv , PyNumber_InPlaceDivide)
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spam2(op_ifloordiv , PyNumber_InPlaceFloorDivide)
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spam2(op_itruediv , PyNumber_InPlaceTrueDivide)
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spam2(op_imod , PyNumber_InPlaceRemainder)
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spam2(op_ilshift , PyNumber_InPlaceLshift)
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spam2(op_irshift , PyNumber_InPlaceRshift)
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spam2(op_iand , PyNumber_InPlaceAnd)
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spam2(op_ixor , PyNumber_InPlaceXor)
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spam2(op_ior , PyNumber_InPlaceOr)
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spami(isSequenceType , PySequence_Check)
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spam2(op_concat , PySequence_Concat)
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spamoi(op_repeat , PySequence_Repeat)
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2005-12-29 12:50:42 -04:00
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spam2(op_iconcat , PySequence_InPlaceConcat)
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spamoi(op_irepeat , PySequence_InPlaceRepeat)
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spami2b(op_contains , PySequence_Contains)
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2009-07-05 01:22:40 -03:00
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spami2b(sequenceIncludes, op_sequenceIncludes)
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2006-04-22 08:15:41 -03:00
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spamn2(indexOf , PySequence_Index)
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spamn2(countOf , PySequence_Count)
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1996-07-30 13:55:54 -03:00
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spami(isMappingType , PyMapping_Check)
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1996-08-21 14:40:51 -03:00
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spam2(op_getitem , PyObject_GetItem)
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spam2n(op_delitem , PyObject_DelItem)
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spam3n(op_setitem , PyObject_SetItem)
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2001-08-09 17:14:34 -03:00
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spamrc(op_lt , Py_LT)
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spamrc(op_le , Py_LE)
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spamrc(op_eq , Py_EQ)
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spamrc(op_ne , Py_NE)
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spamrc(op_gt , Py_GT)
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spamrc(op_ge , Py_GE)
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1996-07-30 13:55:54 -03:00
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2002-08-19 00:19:09 -03:00
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static PyObject*
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op_pow(PyObject *s, PyObject *a)
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{
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2010-05-09 11:46:46 -03:00
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PyObject *a1, *a2;
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if (PyArg_UnpackTuple(a,"pow", 2, 2, &a1, &a2))
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return PyNumber_Power(a1, a2, Py_None);
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return NULL;
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2002-08-19 00:19:09 -03:00
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}
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2005-12-29 12:50:42 -04:00
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static PyObject*
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op_ipow(PyObject *s, PyObject *a)
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{
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PyObject *a1, *a2;
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if (PyArg_UnpackTuple(a,"ipow", 2, 2, &a1, &a2))
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return PyNumber_InPlacePower(a1, a2, Py_None);
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return NULL;
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2005-12-29 12:50:42 -04:00
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}
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2006-03-07 14:50:55 -04:00
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static PyObject *
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op_index(PyObject *s, PyObject *a)
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{
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return PyNumber_Index(a);
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2006-03-07 14:50:55 -04:00
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}
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2003-01-18 19:22:20 -04:00
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static PyObject*
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is_(PyObject *s, PyObject *a)
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{
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2010-05-09 11:46:46 -03:00
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PyObject *a1, *a2, *result = NULL;
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if (PyArg_UnpackTuple(a,"is_", 2, 2, &a1, &a2)) {
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result = (a1 == a2) ? Py_True : Py_False;
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Py_INCREF(result);
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}
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return result;
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2003-01-18 19:22:20 -04:00
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}
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static PyObject*
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is_not(PyObject *s, PyObject *a)
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{
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2010-05-09 11:46:46 -03:00
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PyObject *a1, *a2, *result = NULL;
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if (PyArg_UnpackTuple(a,"is_not", 2, 2, &a1, &a2)) {
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result = (a1 != a2) ? Py_True : Py_False;
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Py_INCREF(result);
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}
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return result;
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2003-01-18 19:22:20 -04:00
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}
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1996-07-30 13:55:54 -03:00
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static PyObject*
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op_getslice(PyObject *s, PyObject *a)
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{
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PyObject *a1;
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Py_ssize_t a2, a3;
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1996-07-30 13:55:54 -03:00
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2010-05-09 11:46:46 -03:00
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if (!PyArg_ParseTuple(a, "Onn:getslice", &a1, &a2, &a3))
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return NULL;
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return PySequence_GetSlice(a1, a2, a3);
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}
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static PyObject*
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op_setslice(PyObject *s, PyObject *a)
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{
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2010-05-09 11:46:46 -03:00
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PyObject *a1, *a4;
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Py_ssize_t a2, a3;
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1996-07-30 13:55:54 -03:00
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2010-05-09 11:46:46 -03:00
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if (!PyArg_ParseTuple(a, "OnnO:setslice", &a1, &a2, &a3, &a4))
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return NULL;
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1996-07-30 13:55:54 -03:00
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2010-05-09 11:46:46 -03:00
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if (-1 == PySequence_SetSlice(a1, a2, a3, a4))
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return NULL;
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1996-07-30 13:55:54 -03:00
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2010-05-09 11:46:46 -03:00
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Py_RETURN_NONE;
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}
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1996-08-21 14:40:51 -03:00
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static PyObject*
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op_delslice(PyObject *s, PyObject *a)
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{
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2010-05-09 11:46:46 -03:00
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PyObject *a1;
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Py_ssize_t a2, a3;
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1996-08-21 14:40:51 -03:00
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2010-05-09 11:46:46 -03:00
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if (!PyArg_ParseTuple(a, "Onn:delslice", &a1, &a2, &a3))
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return NULL;
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1996-08-21 14:40:51 -03:00
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2010-05-09 11:46:46 -03:00
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if (-1 == PySequence_DelSlice(a1, a2, a3))
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return NULL;
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1996-08-21 14:40:51 -03:00
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2010-05-09 11:46:46 -03:00
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Py_RETURN_NONE;
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1996-08-21 14:40:51 -03:00
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}
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1996-07-30 13:55:54 -03:00
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#undef spam1
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#undef spam2
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2003-01-03 04:24:58 -04:00
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#undef spam1o
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#undef spam1o
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2002-08-13 19:20:41 -03:00
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#define spam1(OP,DOC) {#OP, OP, METH_VARARGS, PyDoc_STR(DOC)},
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2005-12-29 10:39:28 -04:00
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#define spam2(OP,ALTOP,DOC) {#OP, op_##OP, METH_VARARGS, PyDoc_STR(DOC)}, \
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2010-05-09 11:46:46 -03:00
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{#ALTOP, op_##OP, METH_VARARGS, PyDoc_STR(DOC)},
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2003-01-03 04:24:58 -04:00
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#define spam1o(OP,DOC) {#OP, OP, METH_O, PyDoc_STR(DOC)},
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2005-12-29 10:39:28 -04:00
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#define spam2o(OP,ALTOP,DOC) {#OP, op_##OP, METH_O, PyDoc_STR(DOC)}, \
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2010-05-09 11:46:46 -03:00
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{#ALTOP, op_##OP, METH_O, PyDoc_STR(DOC)},
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1996-07-30 13:55:54 -03:00
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2014-05-11 20:11:44 -03:00
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/* compare_digest **********************************************************/
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/*
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* timing safe compare
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*
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* Returns 1 of the strings are equal.
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* In case of len(a) != len(b) the function tries to keep the timing
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* dependent on the length of b. CPU cache locally may still alter timing
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* a bit.
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*/
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static int
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_tscmp(const unsigned char *a, const unsigned char *b,
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Py_ssize_t len_a, Py_ssize_t len_b)
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{
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/* The volatile type declarations make sure that the compiler has no
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* chance to optimize and fold the code in any way that may change
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* the timing.
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*/
|
|
|
|
volatile Py_ssize_t length;
|
|
|
|
volatile const unsigned char *left;
|
|
|
|
volatile const unsigned char *right;
|
|
|
|
Py_ssize_t i;
|
|
|
|
unsigned char result;
|
|
|
|
|
|
|
|
/* loop count depends on length of b */
|
|
|
|
length = len_b;
|
|
|
|
left = NULL;
|
|
|
|
right = b;
|
|
|
|
|
|
|
|
/* don't use else here to keep the amount of CPU instructions constant,
|
|
|
|
* volatile forces re-evaluation
|
|
|
|
* */
|
|
|
|
if (len_a == length) {
|
|
|
|
left = *((volatile const unsigned char**)&a);
|
|
|
|
result = 0;
|
|
|
|
}
|
|
|
|
if (len_a != length) {
|
|
|
|
left = b;
|
|
|
|
result = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i=0; i < length; i++) {
|
|
|
|
result |= *left++ ^ *right++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return (result == 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
PyDoc_STRVAR(compare_digest__doc__,
|
|
|
|
"compare_digest(a, b) -> bool\n"
|
|
|
|
"\n"
|
|
|
|
"Return 'a == b'. This function uses an approach designed to prevent\n"
|
|
|
|
"timing analysis, making it appropriate for cryptography.\n"
|
|
|
|
"a and b must both be of the same type: either str (ASCII only),\n"
|
|
|
|
"or any type that supports the buffer protocol (e.g. bytes).\n"
|
|
|
|
"\n"
|
|
|
|
"Note: If a and b are of different lengths, or if an error occurs,\n"
|
|
|
|
"a timing attack could theoretically reveal information about the\n"
|
|
|
|
"types and lengths of a and b--but not their values.\n");
|
|
|
|
|
|
|
|
static PyObject*
|
|
|
|
compare_digest(PyObject *self, PyObject *args)
|
|
|
|
{
|
|
|
|
PyObject *a, *b;
|
|
|
|
int rc;
|
|
|
|
|
|
|
|
if (!PyArg_ParseTuple(args, "OO:compare_digest", &a, &b)) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Unicode string */
|
|
|
|
if (PyUnicode_Check(a) && PyUnicode_Check(b)) {
|
2014-05-11 20:14:00 -03:00
|
|
|
rc = _tscmp((const unsigned char *)PyUnicode_AS_DATA(a),
|
|
|
|
(const unsigned char *)PyUnicode_AS_DATA(b),
|
2014-05-11 20:11:44 -03:00
|
|
|
PyUnicode_GET_DATA_SIZE(a),
|
|
|
|
PyUnicode_GET_DATA_SIZE(b));
|
|
|
|
}
|
|
|
|
/* fallback to buffer interface for bytes, bytesarray and other */
|
|
|
|
else {
|
|
|
|
Py_buffer view_a;
|
|
|
|
Py_buffer view_b;
|
|
|
|
|
2014-05-11 20:17:02 -03:00
|
|
|
if (PyObject_CheckBuffer(a) == 0 && PyObject_CheckBuffer(b) == 0) {
|
2014-05-11 20:11:44 -03:00
|
|
|
PyErr_Format(PyExc_TypeError,
|
|
|
|
"unsupported operand types(s) or combination of types: "
|
|
|
|
"'%.100s' and '%.100s'",
|
|
|
|
Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (PyObject_GetBuffer(a, &view_a, PyBUF_SIMPLE) == -1) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (view_a.ndim > 1) {
|
|
|
|
PyErr_SetString(PyExc_BufferError,
|
|
|
|
"Buffer must be single dimension");
|
|
|
|
PyBuffer_Release(&view_a);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (PyObject_GetBuffer(b, &view_b, PyBUF_SIMPLE) == -1) {
|
|
|
|
PyBuffer_Release(&view_a);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (view_b.ndim > 1) {
|
|
|
|
PyErr_SetString(PyExc_BufferError,
|
|
|
|
"Buffer must be single dimension");
|
|
|
|
PyBuffer_Release(&view_a);
|
|
|
|
PyBuffer_Release(&view_b);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
rc = _tscmp((const unsigned char*)view_a.buf,
|
|
|
|
(const unsigned char*)view_b.buf,
|
|
|
|
view_a.len,
|
|
|
|
view_b.len);
|
|
|
|
|
|
|
|
PyBuffer_Release(&view_a);
|
|
|
|
PyBuffer_Release(&view_b);
|
|
|
|
}
|
|
|
|
|
|
|
|
return PyBool_FromLong(rc);
|
|
|
|
}
|
|
|
|
|
1996-07-30 13:55:54 -03:00
|
|
|
static struct PyMethodDef operator_methods[] = {
|
|
|
|
|
2003-01-03 04:24:58 -04:00
|
|
|
spam1o(isCallable,
|
1998-05-22 15:12:59 -03:00
|
|
|
"isCallable(a) -- Same as callable(a).")
|
2003-01-03 04:24:58 -04:00
|
|
|
spam1o(isNumberType,
|
2002-04-03 18:41:51 -04:00
|
|
|
"isNumberType(a) -- Return True if a has a numeric type, False otherwise.")
|
2003-01-03 04:24:58 -04:00
|
|
|
spam1o(isSequenceType,
|
2002-04-03 18:41:51 -04:00
|
|
|
"isSequenceType(a) -- Return True if a has a sequence type, False otherwise.")
|
2003-01-03 04:24:58 -04:00
|
|
|
spam1o(truth,
|
2002-04-03 18:41:51 -04:00
|
|
|
"truth(a) -- Return True if a is true, False otherwise.")
|
2000-09-17 13:09:27 -03:00
|
|
|
spam2(contains,__contains__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"contains(a, b) -- Same as b in a (note reversed operands).")
|
2000-09-17 13:09:27 -03:00
|
|
|
spam1(sequenceIncludes,
|
|
|
|
"sequenceIncludes(a, b) -- Same as b in a (note reversed operands; deprecated).")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam1(indexOf,
|
1998-05-22 15:12:59 -03:00
|
|
|
"indexOf(a, b) -- Return the first index of b in a.")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam1(countOf,
|
|
|
|
"countOf(a, b) -- Return the number of times b occurs in a.")
|
2003-01-03 04:24:58 -04:00
|
|
|
spam1o(isMappingType,
|
2002-04-03 18:41:51 -04:00
|
|
|
"isMappingType(a) -- Return True if a has a mapping type, False otherwise.")
|
1998-05-22 15:12:59 -03:00
|
|
|
|
2003-01-18 19:22:20 -04:00
|
|
|
spam1(is_, "is_(a, b) -- Same as a is b.")
|
|
|
|
spam1(is_not, "is_not(a, b) -- Same as a is not b.")
|
2006-08-12 14:03:09 -03:00
|
|
|
spam2o(index, __index__, "index(a) -- Same as a.__index__()")
|
1998-05-22 15:12:59 -03:00
|
|
|
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.")
|
2001-08-09 17:14:34 -03:00
|
|
|
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.")
|
1998-05-22 15:12:59 -03:00
|
|
|
spam2(mod,__mod__, "mod(a, b) -- Same as a % b.")
|
2003-01-03 04:24:58 -04:00
|
|
|
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.")
|
1998-05-22 15:12:59 -03:00
|
|
|
spam2(lshift,__lshift__, "lshift(a, b) -- Same as a << b.")
|
|
|
|
spam2(rshift,__rshift__, "rshift(a, b) -- Same as a >> b.")
|
2003-01-03 04:24:58 -04:00
|
|
|
spam2o(not_,__not__, "not_(a) -- Same as not a.")
|
1998-05-22 15:12:59 -03:00
|
|
|
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.")
|
2009-11-04 03:38:12 -04:00
|
|
|
spam2(iadd,__iadd__, "a = iadd(a, b) -- Same as a += b.")
|
|
|
|
spam2(isub,__isub__, "a = isub(a, b) -- Same as a -= b.")
|
|
|
|
spam2(imul,__imul__, "a = imul(a, b) -- Same as a *= b.")
|
|
|
|
spam2(idiv,__idiv__, "a = idiv(a, b) -- Same as a /= b when __future__.division is not in effect.")
|
|
|
|
spam2(ifloordiv,__ifloordiv__, "a = ifloordiv(a, b) -- Same as a //= b.")
|
|
|
|
spam2(itruediv,__itruediv__, "a = itruediv(a, b) -- Same as a /= b when __future__.division is in effect.")
|
|
|
|
spam2(imod,__imod__, "a = imod(a, b) -- Same as a %= b.")
|
|
|
|
spam2(ilshift,__ilshift__, "a = ilshift(a, b) -- Same as a <<= b.")
|
|
|
|
spam2(irshift,__irshift__, "a = irshift(a, b) -- Same as a >>= b.")
|
|
|
|
spam2(iand,__iand__, "a = iand(a, b) -- Same as a &= b.")
|
|
|
|
spam2(ixor,__ixor__, "a = ixor(a, b) -- Same as a ^= b.")
|
|
|
|
spam2(ior,__ior__, "a = ior(a, b) -- Same as a |= b.")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam2(concat,__concat__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"concat(a, b) -- Same as a + b, for a and b sequences.")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam2(repeat,__repeat__,
|
1996-12-05 15:01:16 -04:00
|
|
|
"repeat(a, b) -- Return a * b, where a is a sequence, and b is an integer.")
|
2005-12-29 12:50:42 -04:00
|
|
|
spam2(iconcat,__iconcat__,
|
2009-11-04 03:38:12 -04:00
|
|
|
"a = iconcat(a, b) -- Same as a += b, for a and b sequences.")
|
2005-12-29 12:50:42 -04:00
|
|
|
spam2(irepeat,__irepeat__,
|
2009-11-04 03:38:12 -04:00
|
|
|
"a = irepeat(a, b) -- Same as a *= b, where a is a sequence, and b is an integer.")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam2(getitem,__getitem__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"getitem(a, b) -- Same as a[b].")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam2(setitem,__setitem__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"setitem(a, b, c) -- Same as a[b] = c.")
|
1996-08-21 14:40:51 -03:00
|
|
|
spam2(delitem,__delitem__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"delitem(a, b) -- Same as del a[b].")
|
2005-12-29 12:50:42 -04:00
|
|
|
spam2(pow,__pow__, "pow(a, b) -- Same as a ** b.")
|
2009-11-04 03:38:12 -04:00
|
|
|
spam2(ipow,__ipow__, "a = ipow(a, b) -- Same as a **= b.")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam2(getslice,__getslice__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"getslice(a, b, c) -- Same as a[b:c].")
|
1996-08-19 19:01:39 -03:00
|
|
|
spam2(setslice,__setslice__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"setslice(a, b, c, d) -- Same as a[b:c] = d.")
|
1996-08-21 14:40:51 -03:00
|
|
|
spam2(delslice,__delslice__,
|
1998-05-22 15:12:59 -03:00
|
|
|
"delslice(a, b, c) -- Same as del a[b:c].")
|
2001-08-09 17:14:34 -03:00
|
|
|
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.")
|
1996-07-30 13:55:54 -03:00
|
|
|
|
2014-05-11 20:11:44 -03:00
|
|
|
{"_compare_digest", (PyCFunction)compare_digest, METH_VARARGS,
|
|
|
|
compare_digest__doc__},
|
2010-05-09 11:46:46 -03:00
|
|
|
{NULL, NULL} /* sentinel */
|
1996-07-30 13:55:54 -03:00
|
|
|
|
|
|
|
};
|
|
|
|
|
2003-12-01 09:18:39 -04:00
|
|
|
/* itemgetter object **********************************************************/
|
1996-07-30 13:55:54 -03:00
|
|
|
|
2003-12-01 09:18:39 -04:00
|
|
|
typedef struct {
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject_HEAD
|
|
|
|
Py_ssize_t nitems;
|
|
|
|
PyObject *item;
|
2003-12-01 09:18:39 -04:00
|
|
|
} itemgetterobject;
|
|
|
|
|
|
|
|
static PyTypeObject itemgetter_type;
|
|
|
|
|
|
|
|
static PyObject *
|
|
|
|
itemgetter_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
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;
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
itemgetter_dealloc(itemgetterobject *ig)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject_GC_UnTrack(ig);
|
|
|
|
Py_XDECREF(ig->item);
|
|
|
|
PyObject_GC_Del(ig);
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
itemgetter_traverse(itemgetterobject *ig, visitproc visit, void *arg)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
Py_VISIT(ig->item);
|
|
|
|
return 0;
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static PyObject *
|
|
|
|
itemgetter_call(itemgetterobject *ig, PyObject *args, PyObject *kw)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject *obj, *result;
|
|
|
|
Py_ssize_t i, nitems=ig->nitems;
|
|
|
|
|
2016-04-29 03:12:38 -03:00
|
|
|
if (kw != NULL && !_PyArg_NoKeywords("itemgetter", kw))
|
2016-04-23 04:53:28 -03:00
|
|
|
return NULL;
|
2010-05-09 11:46:46 -03:00
|
|
|
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;
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
PyDoc_STRVAR(itemgetter_doc,
|
2005-03-09 12:38:48 -04:00
|
|
|
"itemgetter(item, ...) --> itemgetter object\n\
|
2003-12-01 09:18:39 -04:00
|
|
|
\n\
|
2005-03-09 12:38:48 -04:00
|
|
|
Return a callable object that fetches the given item(s) from its operand.\n\
|
2013-05-08 04:53:11 -03:00
|
|
|
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])");
|
2003-12-01 09:18:39 -04:00
|
|
|
|
|
|
|
static PyTypeObject itemgetter_type = {
|
2010-05-09 11:46:46 -03:00
|
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
|
|
"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 */
|
2003-12-01 09:18:39 -04:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/* attrgetter object **********************************************************/
|
|
|
|
|
|
|
|
typedef struct {
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject_HEAD
|
|
|
|
Py_ssize_t nattrs;
|
|
|
|
PyObject *attr;
|
2003-12-01 09:18:39 -04:00
|
|
|
} attrgetterobject;
|
|
|
|
|
|
|
|
static PyTypeObject attrgetter_type;
|
|
|
|
|
|
|
|
static PyObject *
|
|
|
|
attrgetter_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
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;
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
attrgetter_dealloc(attrgetterobject *ag)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject_GC_UnTrack(ag);
|
|
|
|
Py_XDECREF(ag->attr);
|
|
|
|
PyObject_GC_Del(ag);
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
attrgetter_traverse(attrgetterobject *ag, visitproc visit, void *arg)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
Py_VISIT(ag->attr);
|
|
|
|
return 0;
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
2008-02-23 19:02:23 -04:00
|
|
|
static PyObject *
|
|
|
|
dotted_getattr(PyObject *obj, PyObject *attr)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
char *s, *p;
|
2008-02-23 19:02:23 -04:00
|
|
|
|
|
|
|
#ifdef Py_USING_UNICODE
|
2010-05-09 11:46:46 -03:00
|
|
|
if (PyUnicode_Check(attr)) {
|
|
|
|
attr = _PyUnicode_AsDefaultEncodedString(attr, NULL);
|
|
|
|
if (attr == NULL)
|
|
|
|
return NULL;
|
|
|
|
}
|
2008-02-23 19:02:23 -04:00
|
|
|
#endif
|
2010-05-09 11:46:46 -03:00
|
|
|
|
|
|
|
if (!PyString_Check(attr)) {
|
|
|
|
PyErr_SetString(PyExc_TypeError,
|
|
|
|
"attribute name must be a string");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
s = PyString_AS_STRING(attr);
|
|
|
|
Py_INCREF(obj);
|
|
|
|
for (;;) {
|
|
|
|
PyObject *newobj, *str;
|
|
|
|
p = strchr(s, '.');
|
|
|
|
str = p ? PyString_FromStringAndSize(s, (p-s)) :
|
|
|
|
PyString_FromString(s);
|
|
|
|
if (str == NULL) {
|
|
|
|
Py_DECREF(obj);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
newobj = PyObject_GetAttr(obj, str);
|
|
|
|
Py_DECREF(str);
|
|
|
|
Py_DECREF(obj);
|
|
|
|
if (newobj == NULL)
|
|
|
|
return NULL;
|
|
|
|
obj = newobj;
|
|
|
|
if (p == NULL) break;
|
|
|
|
s = p+1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return obj;
|
2008-02-23 19:02:23 -04:00
|
|
|
}
|
|
|
|
|
2003-12-01 09:18:39 -04:00
|
|
|
static PyObject *
|
|
|
|
attrgetter_call(attrgetterobject *ag, PyObject *args, PyObject *kw)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject *obj, *result;
|
|
|
|
Py_ssize_t i, nattrs=ag->nattrs;
|
|
|
|
|
2016-04-29 03:12:38 -03:00
|
|
|
if (kw != NULL && !_PyArg_NoKeywords("attrgetter", kw))
|
2016-04-23 04:53:28 -03:00
|
|
|
return NULL;
|
2010-05-09 11:46:46 -03:00
|
|
|
if (!PyArg_UnpackTuple(args, "attrgetter", 1, 1, &obj))
|
|
|
|
return NULL;
|
|
|
|
if (ag->nattrs == 1)
|
|
|
|
return dotted_getattr(obj, ag->attr);
|
|
|
|
|
|
|
|
assert(PyTuple_Check(ag->attr));
|
|
|
|
assert(PyTuple_GET_SIZE(ag->attr) == nattrs);
|
|
|
|
|
|
|
|
result = PyTuple_New(nattrs);
|
|
|
|
if (result == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
for (i=0 ; i < nattrs ; i++) {
|
|
|
|
PyObject *attr, *val;
|
|
|
|
attr = PyTuple_GET_ITEM(ag->attr, i);
|
|
|
|
val = dotted_getattr(obj, attr);
|
|
|
|
if (val == NULL) {
|
|
|
|
Py_DECREF(result);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
PyTuple_SET_ITEM(result, i, val);
|
|
|
|
}
|
|
|
|
return result;
|
2003-12-01 09:18:39 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
PyDoc_STRVAR(attrgetter_doc,
|
2005-03-09 12:38:48 -04:00
|
|
|
"attrgetter(attr, ...) --> attrgetter object\n\
|
2003-12-01 09:18:39 -04:00
|
|
|
\n\
|
2005-03-09 12:38:48 -04:00
|
|
|
Return a callable object that fetches the given attribute(s) from its operand.\n\
|
2013-05-08 04:53:11 -03:00
|
|
|
After f = attrgetter('name'), the call f(r) returns r.name.\n\
|
|
|
|
After g = attrgetter('name', 'date'), the call g(r) returns (r.name, r.date).\n\
|
|
|
|
After h = attrgetter('name.first', 'name.last'), the call h(r) returns\n\
|
2008-02-23 19:02:23 -04:00
|
|
|
(r.name.first, r.name.last).");
|
2003-12-01 09:18:39 -04:00
|
|
|
|
|
|
|
static PyTypeObject attrgetter_type = {
|
2010-05-09 11:46:46 -03:00
|
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
|
|
"operator.attrgetter", /* tp_name */
|
|
|
|
sizeof(attrgetterobject), /* tp_basicsize */
|
|
|
|
0, /* tp_itemsize */
|
|
|
|
/* methods */
|
|
|
|
(destructor)attrgetter_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)attrgetter_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 */
|
|
|
|
attrgetter_doc, /* tp_doc */
|
|
|
|
(traverseproc)attrgetter_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 */
|
|
|
|
attrgetter_new, /* tp_new */
|
|
|
|
0, /* tp_free */
|
2003-12-01 09:18:39 -04:00
|
|
|
};
|
2008-02-23 19:04:35 -04:00
|
|
|
|
|
|
|
|
|
|
|
/* methodcaller object **********************************************************/
|
|
|
|
|
|
|
|
typedef struct {
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject_HEAD
|
|
|
|
PyObject *name;
|
|
|
|
PyObject *args;
|
|
|
|
PyObject *kwds;
|
2008-02-23 19:04:35 -04:00
|
|
|
} methodcallerobject;
|
|
|
|
|
|
|
|
static PyTypeObject methodcaller_type;
|
|
|
|
|
|
|
|
static PyObject *
|
|
|
|
methodcaller_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
methodcallerobject *mc;
|
|
|
|
PyObject *name, *newargs;
|
|
|
|
|
|
|
|
if (PyTuple_GET_SIZE(args) < 1) {
|
|
|
|
PyErr_SetString(PyExc_TypeError, "methodcaller needs at least "
|
|
|
|
"one argument, the method name");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* create methodcallerobject structure */
|
|
|
|
mc = PyObject_GC_New(methodcallerobject, &methodcaller_type);
|
|
|
|
if (mc == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
newargs = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
|
|
|
|
if (newargs == NULL) {
|
|
|
|
Py_DECREF(mc);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
mc->args = newargs;
|
|
|
|
|
|
|
|
name = PyTuple_GET_ITEM(args, 0);
|
|
|
|
Py_INCREF(name);
|
|
|
|
mc->name = name;
|
|
|
|
|
|
|
|
Py_XINCREF(kwds);
|
|
|
|
mc->kwds = kwds;
|
|
|
|
|
|
|
|
PyObject_GC_Track(mc);
|
|
|
|
return (PyObject *)mc;
|
2008-02-23 19:04:35 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
methodcaller_dealloc(methodcallerobject *mc)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject_GC_UnTrack(mc);
|
|
|
|
Py_XDECREF(mc->name);
|
|
|
|
Py_XDECREF(mc->args);
|
|
|
|
Py_XDECREF(mc->kwds);
|
|
|
|
PyObject_GC_Del(mc);
|
2008-02-23 19:04:35 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
methodcaller_traverse(methodcallerobject *mc, visitproc visit, void *arg)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
Py_VISIT(mc->args);
|
|
|
|
Py_VISIT(mc->kwds);
|
|
|
|
return 0;
|
2008-02-23 19:04:35 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
static PyObject *
|
|
|
|
methodcaller_call(methodcallerobject *mc, PyObject *args, PyObject *kw)
|
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject *method, *obj, *result;
|
|
|
|
|
2016-04-29 03:12:38 -03:00
|
|
|
if (kw != NULL && !_PyArg_NoKeywords("methodcaller", kw))
|
2016-04-23 04:53:28 -03:00
|
|
|
return NULL;
|
2010-05-09 11:46:46 -03:00
|
|
|
if (!PyArg_UnpackTuple(args, "methodcaller", 1, 1, &obj))
|
|
|
|
return NULL;
|
|
|
|
method = PyObject_GetAttr(obj, mc->name);
|
|
|
|
if (method == NULL)
|
|
|
|
return NULL;
|
|
|
|
result = PyObject_Call(method, mc->args, mc->kwds);
|
|
|
|
Py_DECREF(method);
|
|
|
|
return result;
|
2008-02-23 19:04:35 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
PyDoc_STRVAR(methodcaller_doc,
|
|
|
|
"methodcaller(name, ...) --> methodcaller object\n\
|
|
|
|
\n\
|
|
|
|
Return a callable object that calls the given method on its operand.\n\
|
2013-05-08 04:53:11 -03:00
|
|
|
After f = methodcaller('name'), the call f(r) returns r.name().\n\
|
|
|
|
After g = methodcaller('name', 'date', foo=1), the call g(r) returns\n\
|
2008-02-23 19:04:35 -04:00
|
|
|
r.name('date', foo=1).");
|
|
|
|
|
|
|
|
static PyTypeObject methodcaller_type = {
|
2010-05-09 11:46:46 -03:00
|
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
|
|
"operator.methodcaller", /* tp_name */
|
|
|
|
sizeof(methodcallerobject), /* tp_basicsize */
|
|
|
|
0, /* tp_itemsize */
|
|
|
|
/* methods */
|
|
|
|
(destructor)methodcaller_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)methodcaller_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 */
|
|
|
|
methodcaller_doc, /* tp_doc */
|
|
|
|
(traverseproc)methodcaller_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 */
|
|
|
|
methodcaller_new, /* tp_new */
|
|
|
|
0, /* tp_free */
|
2008-02-23 19:04:35 -04:00
|
|
|
};
|
|
|
|
|
|
|
|
|
1996-07-30 13:55:54 -03:00
|
|
|
/* Initialization function for the module (*must* be called initoperator) */
|
|
|
|
|
2002-08-01 23:27:13 -03:00
|
|
|
PyMODINIT_FUNC
|
2000-07-21 03:00:07 -03:00
|
|
|
initoperator(void)
|
1996-07-30 13:55:54 -03:00
|
|
|
{
|
2010-05-09 11:46:46 -03:00
|
|
|
PyObject *m;
|
|
|
|
|
|
|
|
/* Create the module and add the functions */
|
|
|
|
m = Py_InitModule4("operator", operator_methods, operator_doc,
|
|
|
|
(PyObject*)NULL, PYTHON_API_VERSION);
|
|
|
|
if (m == NULL)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (PyType_Ready(&itemgetter_type) < 0)
|
|
|
|
return;
|
|
|
|
Py_INCREF(&itemgetter_type);
|
|
|
|
PyModule_AddObject(m, "itemgetter", (PyObject *)&itemgetter_type);
|
|
|
|
|
|
|
|
if (PyType_Ready(&attrgetter_type) < 0)
|
|
|
|
return;
|
|
|
|
Py_INCREF(&attrgetter_type);
|
|
|
|
PyModule_AddObject(m, "attrgetter", (PyObject *)&attrgetter_type);
|
|
|
|
|
|
|
|
if (PyType_Ready(&methodcaller_type) < 0)
|
|
|
|
return;
|
|
|
|
Py_INCREF(&methodcaller_type);
|
|
|
|
PyModule_AddObject(m, "methodcaller", (PyObject *)&methodcaller_type);
|
1996-07-30 13:55:54 -03:00
|
|
|
}
|