86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
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#include "_istr.h"
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#include "structmember.h"
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PyDoc_STRVAR(istr__doc__, "istr class implementation");
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/* We link this module statically for convenience. If compiled as a shared
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library instead, some compilers don't allow addresses of Python objects
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defined in other libraries to be used in static initializers here. The
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DEFERRED_ADDRESS macro is used to tag the slots where such addresses
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appear; the module init function must fill in the tagged slots at runtime.
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The argument is for documentation -- the macro ignores it.
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*/
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#define DEFERRED_ADDRESS(ADDR) 0
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_Py_IDENTIFIER(lower);
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static PyTypeObject istr_type;
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void istr_dealloc(istrobject *self)
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{
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Py_XDECREF(self->canonical);
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PyUnicode_Type.tp_dealloc((PyObject*)self);
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}
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static PyObject *
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istr_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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{
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PyObject *x = NULL;
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static char *kwlist[] = {"object", "encoding", "errors", 0};
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PyObject *encoding = NULL;
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PyObject *errors = NULL;
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PyObject *s = NULL;
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PyObject * ret = NULL;
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if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OOO:str",
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kwlist, &x, &encoding, &errors)) {
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return NULL;
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}
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if (x != NULL && Py_TYPE(x) == &istr_type) {
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Py_INCREF(x);
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return x;
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}
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ret = PyUnicode_Type.tp_new(type, args, kwds);
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if (!ret) {
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goto fail;
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}
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s =_PyObject_CallMethodId(ret, &PyId_lower, NULL);
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if (!s) {
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goto fail;
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}
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((istrobject*)ret)->canonical = s;
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s = NULL; /* the reference is stollen by .canonical */
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return ret;
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fail:
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Py_XDECREF(ret);
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return NULL;
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}
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static PyTypeObject istr_type = {
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PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0)
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"multidict._multidict.istr",
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sizeof(istrobject),
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.tp_dealloc = (destructor)istr_dealloc,
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.tp_flags = Py_TPFLAGS_DEFAULT
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| Py_TPFLAGS_BASETYPE
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| Py_TPFLAGS_UNICODE_SUBCLASS,
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.tp_doc = istr__doc__,
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.tp_base = DEFERRED_ADDRESS(&PyUnicode_Type),
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.tp_new = (newfunc)istr_new,
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};
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PyObject* istr_init(void)
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{
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istr_type.tp_base = &PyUnicode_Type;
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if (PyType_Ready(&istr_type) < 0) {
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return NULL;
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}
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Py_INCREF(&istr_type);
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return (PyObject *)&istr_type;
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}
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