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comparison Modules/arraymodule.c @ 78493:45ef9bc8739f 3.2

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Issue #15424: Add a __sizeof__ implementation for array objects. Patch by Ludwig Hähne.
author Meador Inge <meadori@gmail.com>
date Fri, 10 Aug 2012 22:35:45 -0500
parents 1e2880250610
children 88dcccb46298 7d82a60850fd
comparison
equal deleted inserted replaced
78479:4787b9b2f860 78493:45ef9bc8739f
1507 Convert the array to a unicode string. The array must be\n\ 1507 Convert the array to a unicode string. The array must be\n\
1508 a unicode type array; otherwise a ValueError is raised. Use\n\ 1508 a unicode type array; otherwise a ValueError is raised. Use\n\
1509 array.tobytes().decode() to obtain a unicode string from\n\ 1509 array.tobytes().decode() to obtain a unicode string from\n\
1510 an array of some other type."); 1510 an array of some other type.");
1511 1511
1512
1513 static PyObject *
1514 array_sizeof(arrayobject *self, PyObject *unused)
1515 {
1516 Py_ssize_t res;
1517 res = sizeof(arrayobject) + self->allocated * self->ob_descr->itemsize;
1518 return PyLong_FromSsize_t(res);
1519 }
1520
1521 PyDoc_STRVAR(sizeof_doc,
1522 "__sizeof__() -> int\n\
1523 \n\
1524 Size of the array in memory, in bytes.");
1512 1525
1513 1526
1514 /*********************** Pickling support ************************/ 1527 /*********************** Pickling support ************************/
1515 1528
1516 enum machine_format_code { 1529 enum machine_format_code {
2075 tostring_doc}, 2088 tostring_doc},
2076 {"tobytes", (PyCFunction)array_tobytes, METH_NOARGS, 2089 {"tobytes", (PyCFunction)array_tobytes, METH_NOARGS,
2077 tobytes_doc}, 2090 tobytes_doc},
2078 {"tounicode", (PyCFunction)array_tounicode, METH_NOARGS, 2091 {"tounicode", (PyCFunction)array_tounicode, METH_NOARGS,
2079 tounicode_doc}, 2092 tounicode_doc},
2093 {"__sizeof__", (PyCFunction)array_sizeof, METH_NOARGS,
2094 sizeof_doc},
2080 {NULL, NULL} /* sentinel */ 2095 {NULL, NULL} /* sentinel */
2081 }; 2096 };
2082 2097
2083 static PyObject * 2098 static PyObject *
2084 array_repr(arrayobject *a) 2099 array_repr(arrayobject *a)