cpython-lru_cache-weakref: Objects/funcobject.c annotate

annotate Objects/funcobject.c @ 32975:9b188158181f legacy-trunk

Typo fix; use 'in-place' instead of 'inplace'

author	Andrew M. Kuchling <amk@amk.ca>
date	Fri, 06 Aug 2004 18:55:09 +0000
parents	87d196e1c2d0
children	f27935b46985

rev	line source
145 853b736a6a9e Added copyright notice. Guido van Rossum <guido@python.org> parents: 86 diff changeset	1
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	2 /* Function object implementation */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	4 #include "Python.h"
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 795 diff changeset	5 #include "compile.h"
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	6 #include "eval.h"
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 84 diff changeset	7 #include "structmember.h"
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	8
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	9 PyObject *
13457 ef2ebb3b0c64 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13265 diff changeset	10 PyFunction_New(PyObject code, PyObject globals)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	11 {
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19476 diff changeset	12 PyFunctionObject *op = PyObject_GC_New(PyFunctionObject,
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	13 &PyFunction_Type);
31780 d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	14 static PyObject *__name__ = 0;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	15 if (op != NULL) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	16 PyObject *doc;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	17 PyObject *consts;
27559 faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	18 PyObject *module;
17170 962196ce7231 Add support for weak references to the function and method types. Fred Drake <fdrake@acm.org> parents: 16891 diff changeset	19 op->func_weakreflist = NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	20 Py_INCREF(code);
84 a79cbb2655ba Function objects no longer contain a parse tree node, but intermediate Guido van Rossum <guido@python.org> parents: 27 diff changeset	21 op->func_code = code;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	22 Py_INCREF(globals);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	23 op->func_globals = globals;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	24 op->func_name = ((PyCodeObject *)code)->co_name;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	25 Py_INCREF(op->func_name);
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2205 diff changeset	26 op->func_defaults = NULL; /* No default arguments */
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	27 op->func_closure = NULL;
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	28 consts = ((PyCodeObject *)code)->co_consts;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	29 if (PyTuple_Size(consts) >= 1) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	30 doc = PyTuple_GetItem(consts, 0);
12512 a61157328b12 Marc-Andre Lemburg: Guido van Rossum <guido@python.org> parents: 8407 diff changeset	31 if (!PyString_Check(doc) && !PyUnicode_Check(doc))
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	32 doc = Py_None;
2082 4afa7eb4734b Added __doc__ attribute (alias func_doc), initialized from first Guido van Rossum <guido@python.org> parents: 2059 diff changeset	33 }
4afa7eb4734b Added __doc__ attribute (alias func_doc), initialized from first Guido van Rossum <guido@python.org> parents: 2059 diff changeset	34 else
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	35 doc = Py_None;
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	36 Py_INCREF(doc);
2082 4afa7eb4734b Added __doc__ attribute (alias func_doc), initialized from first Guido van Rossum <guido@python.org> parents: 2059 diff changeset	37 op->func_doc = doc;
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	38 op->func_dict = NULL;
27559 faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	39 op->func_module = NULL;
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	40
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	41 /* __module__: If module name is in globals, use it.
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	42 Otherwise, use None.
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	43 */
31780 d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	44 if (!__name__) {
d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	45 __name__ = PyString_InternFromString("__name__");
d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	46 if (!__name__) {
d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	47 Py_DECREF(op);
d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	48 return NULL;
d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	49 }
d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	50 }
d448cc261f69 Intern __name__. Martin v. Löwis <martin@v.loewis.de> parents: 29526 diff changeset	51 module = PyDict_GetItem(globals, __name__);
27559 faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	52 if (module) {
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	53 Py_INCREF(module);
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	54 op->func_module = module;
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	55 }
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	56 }
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	57 else
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	58 return NULL;
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19476 diff changeset	59 _PyObject_GC_TRACK(op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	60 return (PyObject *)op;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	61 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	62
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	63 PyObject *
13457 ef2ebb3b0c64 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13265 diff changeset	64 PyFunction_GetCode(PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	65 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	66 if (!PyFunction_Check(op)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	67 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	68 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	69 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	70 return ((PyFunctionObject *) op) -> func_code;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	71 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	72
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	73 PyObject *
13457 ef2ebb3b0c64 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13265 diff changeset	74 PyFunction_GetGlobals(PyObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	75 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	76 if (!PyFunction_Check(op)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	77 PyErr_BadInternalCall();
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	78 return NULL;
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	79 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	80 return ((PyFunctionObject *) op) -> func_globals;
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	81 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	82
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	83 PyObject *
27559 faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	84 PyFunction_GetModule(PyObject *op)
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	85 {
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	86 if (!PyFunction_Check(op)) {
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	87 PyErr_BadInternalCall();
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	88 return NULL;
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	89 }
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	90 return ((PyFunctionObject *) op) -> func_module;
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	91 }
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	92
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	93 PyObject *
13457 ef2ebb3b0c64 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13265 diff changeset	94 PyFunction_GetDefaults(PyObject *op)
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	95 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	96 if (!PyFunction_Check(op)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	97 PyErr_BadInternalCall();
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	98 return NULL;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	99 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	100 return ((PyFunctionObject *) op) -> func_defaults;
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	101 }
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	102
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	103 int
13457 ef2ebb3b0c64 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13265 diff changeset	104 PyFunction_SetDefaults(PyObject op, PyObject defaults)
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	105 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	106 if (!PyFunction_Check(op)) {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	107 PyErr_BadInternalCall();
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	108 return -1;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	109 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	110 if (defaults == Py_None)
2842 420874f7d8bd changes for keyword arguments and fast function call; added abstract.c Guido van Rossum <guido@python.org> parents: 2205 diff changeset	111 defaults = NULL;
7981 09963a2a24db Make new gcc -Wall happy Guido van Rossum <guido@python.org> parents: 5945 diff changeset	112 else if (PyTuple_Check(defaults)) {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	113 Py_XINCREF(defaults);
7981 09963a2a24db Make new gcc -Wall happy Guido van Rossum <guido@python.org> parents: 5945 diff changeset	114 }
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	115 else {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	116 PyErr_SetString(PyExc_SystemError, "non-tuple default args");
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	117 return -1;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	118 }
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	119 Py_XDECREF(((PyFunctionObject *) op) -> func_defaults);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	120 ((PyFunctionObject *) op) -> func_defaults = defaults;
1848 b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	121 return 0;
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	122 }
b724599401ff Merge back to main trunk Guido van Rossum <guido@python.org> parents: 1415 diff changeset	123
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	124 PyObject *
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	125 PyFunction_GetClosure(PyObject *op)
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	126 {
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	127 if (!PyFunction_Check(op)) {
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	128 PyErr_BadInternalCall();
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	129 return NULL;
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	130 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	131 return ((PyFunctionObject *) op) -> func_closure;
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	132 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	133
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	134 int
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	135 PyFunction_SetClosure(PyObject op, PyObject closure)
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	136 {
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	137 if (!PyFunction_Check(op)) {
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	138 PyErr_BadInternalCall();
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	139 return -1;
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	140 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	141 if (closure == Py_None)
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	142 closure = NULL;
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	143 else if (PyTuple_Check(closure)) {
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	144 Py_XINCREF(closure);
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	145 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	146 else {
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	147 PyErr_SetString(PyExc_SystemError, "non-tuple closure");
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	148 return -1;
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	149 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	150 Py_XDECREF(((PyFunctionObject *) op) -> func_closure);
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	151 ((PyFunctionObject *) op) -> func_closure = closure;
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	152 return 0;
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	153 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16042 diff changeset	154
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	155 /* Methods */
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	156
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	157 #define OFF(x) offsetof(PyFunctionObject, x)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 84 diff changeset	158
20012 3faabf54b8b8 Add optional docstrings to member descriptors. For backwards Guido van Rossum <guido@python.org> parents: 19948 diff changeset	159 static PyMemberDef func_memberlist[] = {
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	160 {"func_closure", T_OBJECT, OFF(func_closure),
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	161 RESTRICTED\|READONLY},
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	162 {"func_doc", T_OBJECT, OFF(func_doc), WRITE_RESTRICTED},
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	163 {"__doc__", T_OBJECT, OFF(func_doc), WRITE_RESTRICTED},
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	164 {"func_globals", T_OBJECT, OFF(func_globals),
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	165 RESTRICTED\|READONLY},
16042 78bd97d8413c Application and elaboration of patch #103305 to fix core dumps when Barry Warsaw <barry@python.org> parents: 15894 diff changeset	166 {"func_name", T_OBJECT, OFF(func_name), READONLY},
78bd97d8413c Application and elaboration of patch #103305 to fix core dumps when Barry Warsaw <barry@python.org> parents: 15894 diff changeset	167 {"__name__", T_OBJECT, OFF(func_name), READONLY},
27941 14451dd3acb0 Make __module__ writable except in restricted mode (like for classic classes). Guido van Rossum <guido@python.org> parents: 27940 diff changeset	168 {"__module__", T_OBJECT, OFF(func_module), WRITE_RESTRICTED},
16042 78bd97d8413c Application and elaboration of patch #103305 to fix core dumps when Barry Warsaw <barry@python.org> parents: 15894 diff changeset	169 {NULL} /* Sentinel */
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 84 diff changeset	170 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 84 diff changeset	171
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	172 static int
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	173 restricted(void)
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 84 diff changeset	174 {
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	175 if (!PyEval_GetRestricted())
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	176 return 0;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	177 PyErr_SetString(PyExc_RuntimeError,
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	178 "function attributes not accessible in restricted mode");
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	179 return 1;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	180 }
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	181
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	182 static PyObject *
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	183 func_get_dict(PyFunctionObject *op)
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	184 {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	185 if (restricted())
2105 ea7b2bf0b521 add restrictions in restricted mode Guido van Rossum <guido@python.org> parents: 2082 diff changeset	186 return NULL;
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	187 if (op->func_dict == NULL) {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	188 op->func_dict = PyDict_New();
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	189 if (op->func_dict == NULL)
19244 fbe2074c5fa5 func_getattro(), func_setattro(): Implement the new semantics for Barry Warsaw <barry@python.org> parents: 18933 diff changeset	190 return NULL;
fbe2074c5fa5 func_getattro(), func_setattro(): Implement the new semantics for Barry Warsaw <barry@python.org> parents: 18933 diff changeset	191 }
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	192 Py_INCREF(op->func_dict);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	193 return op->func_dict;
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 84 diff changeset	194 }
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 84 diff changeset	195
8407 096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	196 static int
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	197 func_set_dict(PyFunctionObject op, PyObject value)
8407 096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	198 {
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	199 PyObject *tmp;
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	200
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	201 if (restricted())
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	202 return -1;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	203 /* It is illegal to del f.func_dict */
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	204 if (value == NULL) {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	205 PyErr_SetString(PyExc_TypeError,
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	206 "function's dictionary may not be deleted");
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	207 return -1;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	208 }
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	209 /* Can only set func_dict to a dictionary */
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	210 if (!PyDict_Check(value)) {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	211 PyErr_SetString(PyExc_TypeError,
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	212 "setting function's dictionary to a non-dict");
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	213 return -1;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	214 }
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	215 tmp = op->func_dict;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	216 Py_INCREF(value);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	217 op->func_dict = value;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	218 Py_XDECREF(tmp);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	219 return 0;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	220 }
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	221
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	222 static PyObject *
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	223 func_get_code(PyFunctionObject *op)
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	224 {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	225 if (restricted())
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	226 return NULL;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	227 Py_INCREF(op->func_code);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	228 return op->func_code;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	229 }
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	230
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	231 static int
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	232 func_set_code(PyFunctionObject op, PyObject value)
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	233 {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	234 PyObject *tmp;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	235
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	236 if (restricted())
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	237 return -1;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	238 /* Not legal to del f.func_code or to set it to anything
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	239 * other than a code object. */
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	240 if (value == NULL \|\| !PyCode_Check(value)) {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	241 PyErr_SetString(PyExc_TypeError,
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	242 "func_code must be set to a code object");
8407 096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	243 return -1;
096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	244 }
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	245 tmp = op->func_code;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	246 Py_INCREF(value);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	247 op->func_code = value;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	248 Py_DECREF(tmp);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	249 return 0;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	250 }
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	251
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	252 static PyObject *
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	253 func_get_defaults(PyFunctionObject *op)
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	254 {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	255 if (restricted())
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	256 return NULL;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	257 if (op->func_defaults == NULL) {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	258 Py_INCREF(Py_None);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	259 return Py_None;
8407 096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	260 }
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	261 Py_INCREF(op->func_defaults);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	262 return op->func_defaults;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	263 }
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	264
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	265 static int
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	266 func_set_defaults(PyFunctionObject op, PyObject value)
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	267 {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	268 PyObject *tmp;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	269
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	270 if (restricted())
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	271 return -1;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	272 /* Legal to del f.func_defaults.
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	273 * Can only set func_defaults to NULL or a tuple. */
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	274 if (value == Py_None)
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	275 value = NULL;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	276 if (value != NULL && !PyTuple_Check(value)) {
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	277 PyErr_SetString(PyExc_TypeError,
8407 096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	278 "func_defaults must be set to a tuple object");
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	279 return -1;
16042 78bd97d8413c Application and elaboration of patch #103305 to fix core dumps when Barry Warsaw <barry@python.org> parents: 15894 diff changeset	280 }
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	281 tmp = op->func_defaults;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	282 Py_XINCREF(value);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	283 op->func_defaults = value;
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	284 Py_XDECREF(tmp);
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	285 return 0;
8407 096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	286 }
096857b0e4b8 Make function objects somewhat mutable -- the members func_code, Guido van Rossum <guido@python.org> parents: 7981 diff changeset	287
20015 ca7af2a5d915 Add optional docstrings to getset descriptors. Fortunately, there's Guido van Rossum <guido@python.org> parents: 20012 diff changeset	288 static PyGetSetDef func_getsetlist[] = {
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	289 {"func_code", (getter)func_get_code, (setter)func_set_code},
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	290 {"func_defaults", (getter)func_get_defaults,
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	291 (setter)func_set_defaults},
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	292 {"func_dict", (getter)func_get_dict, (setter)func_set_dict},
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	293 {"__dict__", (getter)func_get_dict, (setter)func_set_dict},
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	294 {NULL} /* Sentinel */
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	295 };
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	296
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	297 PyDoc_STRVAR(func_doc,
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	298 "function(code, globals[, name[, argdefs[, closure]]])\n\
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	299 \n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	300 Create a function object from a code object and a dictionary.\n\
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	301 The optional name string overrides the name from the code object.\n\
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	302 The optional argdefs tuple specifies the default argument values.\n\
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	303 The optional closure tuple supplies the bindings for free variables.");
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	304
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	305 /* func_new() maintains the following invariants for closures. The
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	306 closure must correspond to the free variables of the code object.
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	307
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	308 if len(code.co_freevars) == 0:
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	309 closure = NULL
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	310 else:
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	311 len(closure) == len(code.co_freevars)
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	312 for every elt in closure, type(elt) == cell
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	313 */
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	314
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	315 static PyObject *
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	316 func_new(PyTypeObject* type, PyObject* args, PyObject* kw)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	317 {
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	318 PyCodeObject *code;
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	319 PyObject *globals;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	320 PyObject *name = Py_None;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	321 PyObject *defaults = Py_None;
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	322 PyObject *closure = Py_None;
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	323 PyFunctionObject *newfunc;
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	324 int nfree, nclosure;
28986 41388e84261b SF bug #692959: new.function ignores keyword arguments Raymond Hettinger <python@rcn.com> parents: 28537 diff changeset	325 static char *kwlist[] = {"code", "globals", "name",
41388e84261b SF bug #692959: new.function ignores keyword arguments Raymond Hettinger <python@rcn.com> parents: 28537 diff changeset	326 "argdefs", "closure", 0};
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	327
28986 41388e84261b SF bug #692959: new.function ignores keyword arguments Raymond Hettinger <python@rcn.com> parents: 28537 diff changeset	328 if (!PyArg_ParseTupleAndKeywords(args, kw, "O!O!\|OOO:function",
41388e84261b SF bug #692959: new.function ignores keyword arguments Raymond Hettinger <python@rcn.com> parents: 28537 diff changeset	329 kwlist,
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	330 &PyCode_Type, &code,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	331 &PyDict_Type, &globals,
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	332 &name, &defaults, &closure))
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	333 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	334 if (name != Py_None && !PyString_Check(name)) {
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	335 PyErr_SetString(PyExc_TypeError,
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	336 "arg 3 (name) must be None or string");
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	337 return NULL;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	338 }
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	339 if (defaults != Py_None && !PyTuple_Check(defaults)) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	340 PyErr_SetString(PyExc_TypeError,
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	341 "arg 4 (defaults) must be None or tuple");
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	342 return NULL;
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	343 }
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	344 nfree = PyTuple_GET_SIZE(code->co_freevars);
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	345 if (!PyTuple_Check(closure)) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	346 if (nfree && closure == Py_None) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	347 PyErr_SetString(PyExc_TypeError,
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	348 "arg 5 (closure) must be tuple");
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	349 return NULL;
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	350 }
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	351 else if (closure != Py_None) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	352 PyErr_SetString(PyExc_TypeError,
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	353 "arg 5 (closure) must be None or tuple");
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	354 return NULL;
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	355 }
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	356 }
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	357
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	358 /* check that the closure is well-formed */
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	359 nclosure = closure == Py_None ? 0 : PyTuple_GET_SIZE(closure);
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	360 if (nfree != nclosure)
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	361 return PyErr_Format(PyExc_ValueError,
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	362 "%s requires closure of length %d, not %d",
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	363 PyString_AS_STRING(code->co_name),
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	364 nfree, nclosure);
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	365 if (nclosure) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	366 int i;
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	367 for (i = 0; i < nclosure; i++) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	368 PyObject *o = PyTuple_GET_ITEM(closure, i);
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	369 if (!PyCell_Check(o)) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	370 return PyErr_Format(PyExc_TypeError,
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	371 "arg 5 (closure) expected cell, found %s",
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	372 o->ob_type->tp_name);
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	373 }
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	374 }
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	375 }
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	376
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	377 newfunc = (PyFunctionObject )PyFunction_New((PyObject )code,
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	378 globals);
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	379 if (newfunc == NULL)
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	380 return NULL;
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	381
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	382 if (name != Py_None) {
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	383 Py_INCREF(name);
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	384 Py_DECREF(newfunc->func_name);
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	385 newfunc->func_name = name;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	386 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	387 if (defaults != Py_None) {
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	388 Py_INCREF(defaults);
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	389 newfunc->func_defaults = defaults;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	390 }
24193 6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	391 if (closure != Py_None) {
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	392 Py_INCREF(closure);
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	393 newfunc->func_closure = closure;
6eb74e83a6f1 Extend function() to support an optional closure argument. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23868 diff changeset	394 }
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	395
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	396 return (PyObject *)newfunc;
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	397 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	398
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	399 static void
13457 ef2ebb3b0c64 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13265 diff changeset	400 func_dealloc(PyFunctionObject *op)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	401 {
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19476 diff changeset	402 _PyObject_GC_UNTRACK(op);
20698 b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods, Fred Drake <fdrake@acm.org> parents: 20277 diff changeset	403 if (op->func_weakreflist != NULL)
b229208a2a72 Be smarter about clearing the weakref lists for instances, instance methods, Fred Drake <fdrake@acm.org> parents: 20277 diff changeset	404 PyObject_ClearWeakRefs((PyObject *) op);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	405 Py_DECREF(op->func_code);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	406 Py_DECREF(op->func_globals);
27559 faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	407 Py_XDECREF(op->func_module);
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	408 Py_DECREF(op->func_name);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	409 Py_XDECREF(op->func_defaults);
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	410 Py_XDECREF(op->func_doc);
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	411 Py_XDECREF(op->func_dict);
16891 806c6ae23103 Visit the closure during traversal and XDECREF it on during deallocation. Jeremy Hylton <jeremy@alum.mit.edu> parents: 16825 diff changeset	412 Py_XDECREF(op->func_closure);
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19476 diff changeset	413 PyObject_GC_Del(op);
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	414 }
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	415
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	416 static PyObject*
13457 ef2ebb3b0c64 ANSI-fication of the sources. Fred Drake <fdrake@acm.org> parents: 13265 diff changeset	417 func_repr(PyFunctionObject *op)
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 795 diff changeset	418 {
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	419 if (op->func_name == Py_None)
19476 0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19244 diff changeset	420 return PyString_FromFormat("<anonymous function at %p>", op);
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19244 diff changeset	421 return PyString_FromFormat("<function %s at %p>",
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19244 diff changeset	422 PyString_AsString(op->func_name),
0e70df98424e repr's converted to using PyString_FromFormat() instead of sprintf'ing Barry Warsaw <barry@python.org> parents: 19244 diff changeset	423 op);
1257 1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 795 diff changeset	424 }
1cabc2b6c970 * Changed all copyright messages to include 1993. Guido van Rossum <guido@python.org> parents: 795 diff changeset	425
1399 cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1288 diff changeset	426 static int
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	427 func_traverse(PyFunctionObject f, visitproc visit, void arg)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	428 {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	429 int err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	430 if (f->func_code) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	431 err = visit(f->func_code, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	432 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	433 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	434 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	435 if (f->func_globals) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	436 err = visit(f->func_globals, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	437 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	438 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	439 }
27559 faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	440 if (f->func_module) {
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	441 err = visit(f->func_module, arg);
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	442 if (err)
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	443 return err;
faabd9867fb8 Provide __module__ attributes for functions defined in C and Python. Jeremy Hylton <jeremy@alum.mit.edu> parents: 26818 diff changeset	444 }
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	445 if (f->func_defaults) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	446 err = visit(f->func_defaults, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	447 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	448 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	449 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	450 if (f->func_doc) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	451 err = visit(f->func_doc, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	452 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	453 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	454 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	455 if (f->func_name) {
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	456 err = visit(f->func_name, arg);
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	457 if (err)
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	458 return err;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	459 }
15894 1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	460 if (f->func_dict) {
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	461 err = visit(f->func_dict, arg);
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	462 if (err)
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	463 return err;
1c6b0d3a58ea Committing PEP 232, function attribute feature, approved by Guido. Barry Warsaw <barry@python.org> parents: 14375 diff changeset	464 }
16891 806c6ae23103 Visit the closure during traversal and XDECREF it on during deallocation. Jeremy Hylton <jeremy@alum.mit.edu> parents: 16825 diff changeset	465 if (f->func_closure) {
806c6ae23103 Visit the closure during traversal and XDECREF it on during deallocation. Jeremy Hylton <jeremy@alum.mit.edu> parents: 16825 diff changeset	466 err = visit(f->func_closure, arg);
806c6ae23103 Visit the closure during traversal and XDECREF it on during deallocation. Jeremy Hylton <jeremy@alum.mit.edu> parents: 16825 diff changeset	467 if (err)
806c6ae23103 Visit the closure during traversal and XDECREF it on during deallocation. Jeremy Hylton <jeremy@alum.mit.edu> parents: 16825 diff changeset	468 return err;
806c6ae23103 Visit the closure during traversal and XDECREF it on during deallocation. Jeremy Hylton <jeremy@alum.mit.edu> parents: 16825 diff changeset	469 }
12990 e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	470 return 0;
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	471 }
e615596c5c47 Round 1 of Neil Schemenauer's GC patches: Jeremy Hylton <jeremy@alum.mit.edu> parents: 12576 diff changeset	472
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	473 static PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	474 function_call(PyObject func, PyObject arg, PyObject *kw)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	475 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	476 PyObject *result;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	477 PyObject *argdefs;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	478 PyObject d, k;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	479 int nk, nd;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	480
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	481 argdefs = PyFunction_GET_DEFAULTS(func);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	482 if (argdefs != NULL && PyTuple_Check(argdefs)) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	483 d = &PyTuple_GET_ITEM((PyTupleObject *)argdefs, 0);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	484 nd = PyTuple_Size(argdefs);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	485 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	486 else {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	487 d = NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	488 nd = 0;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	489 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	490
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	491 if (kw != NULL && PyDict_Check(kw)) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	492 int pos, i;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	493 nk = PyDict_Size(kw);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	494 k = PyMem_NEW(PyObject , 2nk);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	495 if (k == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	496 PyErr_NoMemory();
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	497 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	498 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	499 pos = i = 0;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	500 while (PyDict_Next(kw, &pos, &k[i], &k[i+1]))
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	501 i += 2;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	502 nk = i/2;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	503 /* XXX This is broken if the caller deletes dict items! */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	504 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	505 else {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	506 k = NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	507 nk = 0;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	508 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	509
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	510 result = PyEval_EvalCodeEx(
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	511 (PyCodeObject *)PyFunction_GET_CODE(func),
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	512 PyFunction_GET_GLOBALS(func), (PyObject *)NULL,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	513 &PyTuple_GET_ITEM(arg, 0), PyTuple_Size(arg),
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	514 k, nk, d, nd,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	515 PyFunction_GET_CLOSURE(func));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	516
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	517 if (k != NULL)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	518 PyMem_DEL(k);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	519
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	520 return result;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	521 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	522
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	523 /* Bind a function to an object */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	524 static PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	525 func_descr_get(PyObject func, PyObject obj, PyObject *type)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	526 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	527 if (obj == Py_None)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	528 obj = NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	529 return PyMethod_New(func, obj, type);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	530 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	531
5396 d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	532 PyTypeObject PyFunction_Type = {
d1447950fa04 Quickly renamed the last directory. Guido van Rossum <guido@python.org> parents: 4503 diff changeset	533 PyObject_HEAD_INIT(&PyType_Type)
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	534 0,
fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	535 "function",
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19476 diff changeset	536 sizeof(PyFunctionObject),
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	537 0,
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	538 (destructor)func_dealloc, /* tp_dealloc */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	539 0, /* tp_print */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	540 0, /* tp_getattr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	541 0, /* tp_setattr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	542 0, /* tp_compare */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	543 (reprfunc)func_repr, /* tp_repr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	544 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	545 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	546 0, /* tp_as_mapping */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	547 0, /* tp_hash */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	548 function_call, /* tp_call */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	549 0, /* tp_str */
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	550 PyObject_GenericGetAttr, /* tp_getattro */
eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	551 PyObject_GenericSetAttr, /* tp_setattro */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	552 0, /* tp_as_buffer */
19581 fd48a55ac364 Use new GC API. Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 19476 diff changeset	553 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_HAVE_GC,/* tp_flags */
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	554 func_doc, /* tp_doc */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	555 (traverseproc)func_traverse, /* tp_traverse */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	556 0, /* tp_clear */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	557 0, /* tp_richcompare */
17170 962196ce7231 Add support for weak references to the function and method types. Fred Drake <fdrake@acm.org> parents: 16891 diff changeset	558 offsetof(PyFunctionObject, func_weakreflist), /* tp_weaklistoffset */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	559 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	560 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	561 0, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	562 func_memberlist, /* tp_members */
19948 eaf1203b85cf Rewrite function attributes to use the generic routines properly. Guido van Rossum <guido@python.org> parents: 19581 diff changeset	563 func_getsetlist, /* tp_getset */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	564 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	565 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	566 func_descr_get, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	567 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	568 offsetof(PyFunctionObject, func_dict), /* tp_dictoffset */
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	569 0, /* tp_init */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	570 0, /* tp_alloc */
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23832 diff changeset	571 func_new, /* tp_new */
6 fc6fcd7df4f7 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	572 };
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	573
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	574
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	575 /* Class method object */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	576
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	577 /* A class method receives the class as implicit first argument,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	578 just like an instance method receives the instance.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	579 To declare a class method, use this idiom:
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	580
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	581 class C:
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	582 def f(cls, arg1, arg2, ...): ...
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	583 f = classmethod(f)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	584
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	585 It can be called either on the class (e.g. C.f()) or on an instance
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	586 (e.g. C().f()); the instance is ignored except for its class.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	587 If a class method is called for a derived class, the derived class
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	588 object is passed as the implied first argument.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	589
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	590 Class methods are different than C++ or Java static methods.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	591 If you want those, see static methods below.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	592 */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	593
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	594 typedef struct {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	595 PyObject_HEAD
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	596 PyObject *cm_callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	597 } classmethod;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	598
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	599 static void
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	600 cm_dealloc(classmethod *cm)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	601 {
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	602 _PyObject_GC_UNTRACK((PyObject *)cm);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	603 Py_XDECREF(cm->cm_callable);
20277 2983b54256c7 Enable GC for new-style instances. This touches lots of files, since Guido van Rossum <guido@python.org> parents: 20015 diff changeset	604 cm->ob_type->tp_free((PyObject *)cm);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	605 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	606
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	607 static int
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	608 cm_traverse(classmethod cm, visitproc visit, void arg)
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	609 {
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	610 if (!cm->cm_callable)
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	611 return 0;
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	612 return visit(cm->cm_callable, arg);
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	613 }
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	614
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	615 static int
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	616 cm_clear(classmethod *cm)
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	617 {
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	618 Py_XDECREF(cm->cm_callable);
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	619 cm->cm_callable = NULL;
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	620
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	621 return 0;
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	622 }
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	623
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	624
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	625 static PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	626 cm_descr_get(PyObject self, PyObject obj, PyObject *type)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	627 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	628 classmethod cm = (classmethod )self;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	629
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	630 if (cm->cm_callable == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	631 PyErr_SetString(PyExc_RuntimeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	632 "uninitialized classmethod object");
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	633 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	634 }
22367 f2b6ccc00808 Fix for SF bug 528132 (Armin Rigo): classmethod().__get__() segfault Guido van Rossum <guido@python.org> parents: 21446 diff changeset	635 if (type == NULL)
f2b6ccc00808 Fix for SF bug 528132 (Armin Rigo): classmethod().__get__() segfault Guido van Rossum <guido@python.org> parents: 21446 diff changeset	636 type = (PyObject *)(obj->ob_type);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	637 return PyMethod_New(cm->cm_callable,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	638 type, (PyObject *)(type->ob_type));
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	639 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	640
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	641 static int
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	642 cm_init(PyObject self, PyObject args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	643 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	644 classmethod cm = (classmethod )self;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	645 PyObject *callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	646
26818 e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible. Raymond Hettinger <python@rcn.com> parents: 24193 diff changeset	647 if (!PyArg_UnpackTuple(args, "classmethod", 1, 1, &callable))
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	648 return -1;
29526 f6d503de45bd SF bug #753451: classmethod abuse --> SystemError Raymond Hettinger <python@rcn.com> parents: 28986 diff changeset	649 if (!PyCallable_Check(callable)) {
f6d503de45bd SF bug #753451: classmethod abuse --> SystemError Raymond Hettinger <python@rcn.com> parents: 28986 diff changeset	650 PyErr_Format(PyExc_TypeError, "'%s' object is not callable",
f6d503de45bd SF bug #753451: classmethod abuse --> SystemError Raymond Hettinger <python@rcn.com> parents: 28986 diff changeset	651 callable->ob_type->tp_name);
f6d503de45bd SF bug #753451: classmethod abuse --> SystemError Raymond Hettinger <python@rcn.com> parents: 28986 diff changeset	652 return -1;
f6d503de45bd SF bug #753451: classmethod abuse --> SystemError Raymond Hettinger <python@rcn.com> parents: 28986 diff changeset	653 }
f6d503de45bd SF bug #753451: classmethod abuse --> SystemError Raymond Hettinger <python@rcn.com> parents: 28986 diff changeset	654
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	655 Py_INCREF(callable);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	656 cm->cm_callable = callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	657 return 0;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	658 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	659
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 22974 diff changeset	660 PyDoc_STRVAR(classmethod_doc,
21444 5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	661 "classmethod(function) -> method\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	662 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	663 Convert a function to be a class method.\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	664 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	665 A class method receives the class as implicit first argument,\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	666 just like an instance method receives the instance.\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	667 To declare a class method, use this idiom:\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	668 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	669 class C:\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	670 def f(cls, arg1, arg2, ...): ...\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	671 f = classmethod(f)\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	672 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	673 It can be called either on the class (e.g. C.f()) or on an instance\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	674 (e.g. C().f()). The instance is ignored except for its class.\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	675 If a class method is called for a derived class, the derived class\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	676 object is passed as the implied first argument.\n\
21446 77c7476f41bd Portability fix: Not every compiler implements the extension of Sjoerd Mullender <sjoerd@acm.org> parents: 21444 diff changeset	677 \n\
21444 5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	678 Class methods are different than C++ or Java static methods.\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 22974 diff changeset	679 If you want those, see the staticmethod builtin.");
21444 5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	680
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	681 PyTypeObject PyClassMethod_Type = {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	682 PyObject_HEAD_INIT(&PyType_Type)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	683 0,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	684 "classmethod",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	685 sizeof(classmethod),
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	686 0,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	687 (destructor)cm_dealloc, /* tp_dealloc */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	688 0, /* tp_print */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	689 0, /* tp_getattr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	690 0, /* tp_setattr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	691 0, /* tp_compare */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	692 0, /* tp_repr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	693 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	694 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	695 0, /* tp_as_mapping */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	696 0, /* tp_hash */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	697 0, /* tp_call */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	698 0, /* tp_str */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	699 PyObject_GenericGetAttr, /* tp_getattro */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	700 0, /* tp_setattro */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	701 0, /* tp_as_buffer */
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	702 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_BASETYPE \| Py_TPFLAGS_HAVE_GC,
21444 5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	703 classmethod_doc, /* tp_doc */
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	704 (traverseproc)cm_traverse, /* tp_traverse */
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	705 (inquiry)cm_clear, /* tp_clear */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	706 0, /* tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	707 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	708 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	709 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	710 0, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	711 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	712 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	713 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	714 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	715 cm_descr_get, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	716 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	717 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	718 cm_init, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	719 PyType_GenericAlloc, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	720 PyType_GenericNew, /* tp_new */
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	721 PyObject_GC_Del, /* tp_free */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	722 };
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	723
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	724 PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	725 PyClassMethod_New(PyObject *callable)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	726 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	727 classmethod cm = (classmethod )
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	728 PyType_GenericAlloc(&PyClassMethod_Type, 0);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	729 if (cm != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	730 Py_INCREF(callable);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	731 cm->cm_callable = callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	732 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	733 return (PyObject *)cm;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	734 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	735
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	736
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	737 /* Static method object */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	738
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	739 /* A static method does not receive an implicit first argument.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	740 To declare a static method, use this idiom:
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	741
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	742 class C:
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	743 def f(arg1, arg2, ...): ...
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	744 f = staticmethod(f)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	745
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	746 It can be called either on the class (e.g. C.f()) or on an instance
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	747 (e.g. C().f()); the instance is ignored except for its class.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	748
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	749 Static methods in Python are similar to those found in Java or C++.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	750 For a more advanced concept, see class methods above.
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	751 */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	752
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	753 typedef struct {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	754 PyObject_HEAD
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	755 PyObject *sm_callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	756 } staticmethod;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	757
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	758 static void
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	759 sm_dealloc(staticmethod *sm)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	760 {
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	761 _PyObject_GC_UNTRACK((PyObject *)sm);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	762 Py_XDECREF(sm->sm_callable);
20277 2983b54256c7 Enable GC for new-style instances. This touches lots of files, since Guido van Rossum <guido@python.org> parents: 20015 diff changeset	763 sm->ob_type->tp_free((PyObject *)sm);
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	764 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	765
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	766 static int
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	767 sm_traverse(staticmethod sm, visitproc visit, void arg)
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	768 {
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	769 if (!sm->sm_callable)
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	770 return 0;
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	771 return visit(sm->sm_callable, arg);
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	772 }
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	773
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	774 static int
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	775 sm_clear(staticmethod *sm)
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	776 {
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	777 Py_XDECREF(sm->sm_callable);
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	778 sm->sm_callable = NULL;
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	779
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	780 return 0;
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	781 }
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	782
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	783 static PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	784 sm_descr_get(PyObject self, PyObject obj, PyObject *type)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	785 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	786 staticmethod sm = (staticmethod )self;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	787
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	788 if (sm->sm_callable == NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	789 PyErr_SetString(PyExc_RuntimeError,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	790 "uninitialized staticmethod object");
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	791 return NULL;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	792 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	793 Py_INCREF(sm->sm_callable);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	794 return sm->sm_callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	795 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	796
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	797 static int
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	798 sm_init(PyObject self, PyObject args, PyObject *kwds)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	799 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	800 staticmethod sm = (staticmethod )self;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	801 PyObject *callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	802
26818 e094a03a80ff SF patch #659536: Use PyArg_UnpackTuple where possible. Raymond Hettinger <python@rcn.com> parents: 24193 diff changeset	803 if (!PyArg_UnpackTuple(args, "staticmethod", 1, 1, &callable))
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	804 return -1;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	805 Py_INCREF(callable);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	806 sm->sm_callable = callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	807 return 0;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	808 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	809
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 22974 diff changeset	810 PyDoc_STRVAR(staticmethod_doc,
21444 5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	811 "staticmethod(function) -> method\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	812 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	813 Convert a function to be a static method.\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	814 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	815 A static method does not receive an implicit first argument.\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	816 To declare a static method, use this idiom:\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	817 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	818 class C:\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	819 def f(arg1, arg2, ...): ...\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	820 f = staticmethod(f)\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	821 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	822 It can be called either on the class (e.g. C.f()) or on an instance\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	823 (e.g. C().f()). The instance is ignored except for its class.\n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	824 \n\
5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	825 Static methods in Python are similar to those found in Java or C++.\n\
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 22974 diff changeset	826 For a more advanced concept, see the classmethod builtin.");
21444 5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	827
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	828 PyTypeObject PyStaticMethod_Type = {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	829 PyObject_HEAD_INIT(&PyType_Type)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	830 0,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	831 "staticmethod",
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	832 sizeof(staticmethod),
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	833 0,
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	834 (destructor)sm_dealloc, /* tp_dealloc */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	835 0, /* tp_print */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	836 0, /* tp_getattr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	837 0, /* tp_setattr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	838 0, /* tp_compare */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	839 0, /* tp_repr */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	840 0, /* tp_as_number */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	841 0, /* tp_as_sequence */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	842 0, /* tp_as_mapping */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	843 0, /* tp_hash */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	844 0, /* tp_call */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	845 0, /* tp_str */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	846 PyObject_GenericGetAttr, /* tp_getattro */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	847 0, /* tp_setattro */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	848 0, /* tp_as_buffer */
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	849 Py_TPFLAGS_DEFAULT \| Py_TPFLAGS_BASETYPE \| Py_TPFLAGS_HAVE_GC,
21444 5193290aef0a SF patch #493452: docstrings for staticmethod/classmethod (Skip Guido van Rossum <guido@python.org> parents: 21167 diff changeset	850 staticmethod_doc, /* tp_doc */
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	851 (traverseproc)sm_traverse, /* tp_traverse */
c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	852 (inquiry)sm_clear, /* tp_clear */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	853 0, /* tp_richcompare */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	854 0, /* tp_weaklistoffset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	855 0, /* tp_iter */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	856 0, /* tp_iternext */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	857 0, /* tp_methods */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	858 0, /* tp_members */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	859 0, /* tp_getset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	860 0, /* tp_base */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	861 0, /* tp_dict */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	862 sm_descr_get, /* tp_descr_get */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	863 0, /* tp_descr_set */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	864 0, /* tp_dictoffset */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	865 sm_init, /* tp_init */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	866 PyType_GenericAlloc, /* tp_alloc */
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	867 PyType_GenericNew, /* tp_new */
28537 c7bb254ab890 Make staticmethods and classmethods participate in GC. Jeremy Hylton <jeremy@alum.mit.edu> parents: 27941 diff changeset	868 PyObject_GC_Del, /* tp_free */
18933 09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	869 };
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	870
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	871 PyObject *
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	872 PyStaticMethod_New(PyObject *callable)
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	873 {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	874 staticmethod sm = (staticmethod )
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	875 PyType_GenericAlloc(&PyStaticMethod_Type, 0);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	876 if (sm != NULL) {
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	877 Py_INCREF(callable);
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	878 sm->sm_callable = callable;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	879 }
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	880 return (PyObject *)sm;
09df3254b49d Merge of descr-branch back into trunk. Tim Peters <tim.peters@gmail.com> parents: 17669 diff changeset	881 }

Mercurial > cpython-lru_cache-weakref

annotate Objects/funcobject.c @ 32975:9b188158181f legacy-trunk