diff options
Diffstat (limited to 'dbus_bindings/containers.c')
| -rw-r--r-- | dbus_bindings/containers.c | 825 |
1 files changed, 825 insertions, 0 deletions
diff --git a/dbus_bindings/containers.c b/dbus_bindings/containers.c new file mode 100644 index 0000000..e364f98 --- /dev/null +++ b/dbus_bindings/containers.c @@ -0,0 +1,825 @@ +/* D-Bus container types: Array, Dict and Struct. + * + * Copyright (C) 2006-2007 Collabora Ltd. <http://www.collabora.co.uk/> + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "dbus_bindings-internal.h" + +#include <Python.h> +#include <structmember.h> + +#include "types-internal.h" + +/* Array ============================================================ */ + +PyDoc_STRVAR(Array_tp_doc, +"An array of similar items, implemented as a subtype of list.\n" +"\n" +"As currently implemented, an Array behaves just like a list, but\n" +"with the addition of a ``signature`` property set by the constructor;\n" +"conversion of its items to D-Bus types is only done when it's sent in\n" +"a Message. This might change in future so validation is done earlier.\n" +"\n" +"Constructor::\n" +"\n" +" dbus.Array([iterable][, signature][, variant_level])\n" +"\n" +"``variant_level`` must be non-negative; the default is 0.\n" +"\n" +"``signature`` is the D-Bus signature string for a single element of the\n" +"array, or None. If not None it must represent a single complete type, the\n" +"type of a single array item; the signature of the whole Array may be\n" +"obtained by prepending ``a`` to the given signature.\n" +"\n" +"If None (the default), when the Array is sent over\n" +"D-Bus, the item signature will be guessed from the first element.\n" +"\n" +":IVariables:\n" +" `variant_level` : int\n" +" Indicates how many nested Variant containers this object\n" +" is contained in: if a message's wire format has a variant containing a\n" +" variant containing an array, this is represented in Python by an\n" +" Array with variant_level==2.\n" +); + +static struct PyMemberDef Array_tp_members[] = { + {"signature", T_OBJECT, offsetof(DBusPyArray, signature), READONLY, + "The D-Bus signature of each element of this Array (a Signature " + "instance)"}, + {"variant_level", T_LONG, offsetof(DBusPyArray, variant_level), + READONLY, + "The number of nested variants wrapping the real data. " + "0 if not in a variant."}, + {NULL}, +}; + +static void +Array_tp_dealloc (DBusPyArray *self) +{ + Py_CLEAR(self->signature); + (PyList_Type.tp_dealloc)((PyObject *)self); +} + +static PyObject * +Array_tp_repr(DBusPyArray *self) +{ + PyObject *parent_repr = (PyList_Type.tp_repr)((PyObject *)self); + PyObject *sig_repr = PyObject_Repr(self->signature); + PyObject *my_repr = NULL; + long variant_level = self->variant_level; + + if (!parent_repr) goto finally; + if (!sig_repr) goto finally; + if (variant_level > 0) { + my_repr = PyUnicode_FromFormat("%s(%V, signature=%V, " + "variant_level=%ld)", + Py_TYPE(&self->super)->tp_name, + REPRV(parent_repr), + REPRV(sig_repr), + variant_level); + } + else { + my_repr = PyUnicode_FromFormat("%s(%V, signature=%V)", + Py_TYPE(&self->super)->tp_name, + REPRV(parent_repr), + REPRV(sig_repr)); + } +finally: + Py_CLEAR(parent_repr); + Py_CLEAR(sig_repr); + return my_repr; +} + +static PyObject * +Array_tp_new (PyTypeObject *cls, PyObject *args, PyObject *kwargs) +{ + PyObject *variant_level = NULL; + DBusPyArray *self = (DBusPyArray *)(PyList_Type.tp_new)(cls, args, kwargs); + + /* variant_level is immutable, so handle it in __new__ rather than + __init__ */ + if (!self) return NULL; + Py_INCREF(Py_None); + self->signature = Py_None; + self->variant_level = 0; + if (kwargs) { + variant_level = PyDict_GetItem(kwargs, dbus_py_variant_level_const); + } + if (variant_level) { + long new_variant_level = PyLong_AsLong(variant_level); + if (new_variant_level == -1 && PyErr_Occurred()) { + Py_CLEAR(self); + return NULL; + } + self->variant_level = new_variant_level; + } + return (PyObject *)self; +} + +static int +Array_tp_init (DBusPyArray *self, PyObject *args, PyObject *kwargs) +{ + PyObject *obj = dbus_py_empty_tuple; + PyObject *signature = NULL; + PyObject *tuple; + PyObject *variant_level; + /* variant_level is accepted but ignored - it's immutable, so + * __new__ handles it */ + static char *argnames[] = {"iterable", "signature", "variant_level", NULL}; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOO:__init__", argnames, + &obj, &signature, &variant_level)) { + return -1; + } + + /* convert signature from a borrowed ref of unknown type to an owned ref + of type Signature (or None) */ + if (!signature) signature = Py_None; + if (signature == Py_None + || PyObject_IsInstance(signature, (PyObject *)&DBusPySignature_Type)) { + Py_INCREF(signature); + } + else { + signature = PyObject_CallFunction((PyObject *)&DBusPySignature_Type, + "(O)", signature); + if (!signature) return -1; + } + + if (signature != Py_None) { + const char *c_str; + PyObject *signature_as_bytes; + + if ( +#ifdef PY3 + !PyUnicode_Check(signature) +#else + !PyBytes_Check(signature) +#endif + ) + { + PyErr_SetString(PyExc_TypeError, "str expected"); + Py_CLEAR(signature); + return -1; + } +#ifdef PY3 + if (!(signature_as_bytes = PyUnicode_AsUTF8String(signature))) { + Py_CLEAR(signature); + return -1; + } +#else + signature_as_bytes = signature; + Py_INCREF(signature_as_bytes); +#endif + + c_str = PyBytes_AS_STRING(signature_as_bytes); + + if (!dbus_signature_validate_single(c_str, NULL)) { + Py_CLEAR(signature); + Py_CLEAR(signature_as_bytes); + PyErr_SetString(PyExc_ValueError, + "There must be exactly one complete type in " + "an Array's signature parameter"); + return -1; + } + Py_CLEAR(signature_as_bytes); + } + + tuple = Py_BuildValue("(O)", obj); + if (!tuple) { + Py_CLEAR(signature); + return -1; + } + if ((PyList_Type.tp_init)((PyObject *)self, tuple, NULL) < 0) { + Py_CLEAR(tuple); + Py_CLEAR(signature); + return -1; + } + Py_CLEAR(tuple); + + Py_CLEAR(self->signature); + self->signature = signature; + return 0; +} + +PyTypeObject DBusPyArray_Type = { + PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0) + "dbus.Array", + sizeof(DBusPyArray), + 0, + (destructor)Array_tp_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + (reprfunc)Array_tp_repr, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + Array_tp_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + 0, /* tp_methods */ + Array_tp_members, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + (initproc)Array_tp_init, /* tp_init */ + 0, /* tp_alloc */ + Array_tp_new, /* tp_new */ +}; + +/* Dict ============================================================= */ + +PyDoc_STRVAR(Dict_tp_doc, +"An mapping whose keys are similar and whose values are similar,\n" +"implemented as a subtype of dict.\n" +"\n" +"As currently implemented, a Dictionary behaves just like a dict, but\n" +"with the addition of a ``signature`` property set by the constructor;\n" +"conversion of its items to D-Bus types is only done when it's sent in\n" +"a Message. This may change in future so validation is done earlier.\n" +"\n" +"Constructor::\n" +"\n" +" Dictionary(mapping_or_iterable=(), signature=None, variant_level=0)\n" +"\n" +"``variant_level`` must be non-negative; the default is 0.\n" +"\n" +"``signature`` is either a string or None. If a string, it must consist\n" +"of exactly two complete type signatures, representing the 'key' type\n" +"(which must be a primitive type, i.e. one of \"bdginoqstuxy\")\n" +"and the 'value' type. The signature of the whole Dictionary will be\n" +"``a{xx}`` where ``xx`` is replaced by the given signature.\n" +"\n" +"If it is None (the default), when the Dictionary is sent over\n" +"D-Bus, the key and value signatures will be guessed from an arbitrary\n" +"element of the Dictionary.\n" +"\n" +":IVariables:\n" +" `variant_level` : int\n" +" Indicates how many nested Variant containers this object\n" +" is contained in: if a message's wire format has a variant containing a\n" +" variant containing an array of DICT_ENTRY, this is represented in\n" +" Python by a Dictionary with variant_level==2.\n" +); + +static struct PyMemberDef Dict_tp_members[] = { + {"signature", T_OBJECT, offsetof(DBusPyDict, signature), READONLY, + "The D-Bus signature of each key in this Dictionary, followed by " + "that of each value in this Dictionary, as a Signature instance."}, + {"variant_level", T_LONG, offsetof(DBusPyDict, variant_level), + READONLY, + "The number of nested variants wrapping the real data. " + "0 if not in a variant."}, + {NULL}, +}; + +static void +Dict_tp_dealloc (DBusPyDict *self) +{ + Py_CLEAR(self->signature); + (PyDict_Type.tp_dealloc)((PyObject *)self); +} + +static PyObject * +Dict_tp_repr(DBusPyDict *self) +{ + PyObject *parent_repr = (PyDict_Type.tp_repr)((PyObject *)self); + PyObject *sig_repr = PyObject_Repr(self->signature); + PyObject *my_repr = NULL; + long variant_level = self->variant_level; + + if (!parent_repr) goto finally; + if (!sig_repr) goto finally; + if (variant_level > 0) { + my_repr = PyUnicode_FromFormat("%s(%V, signature=%V, " + "variant_level=%ld)", + Py_TYPE(&self->super)->tp_name, + REPRV(parent_repr), + REPRV(sig_repr), + variant_level); + } + else { + my_repr = PyUnicode_FromFormat("%s(%V, signature=%V)", + Py_TYPE(&self->super)->tp_name, + REPRV(parent_repr), + REPRV(sig_repr)); + } +finally: + Py_CLEAR(parent_repr); + Py_CLEAR(sig_repr); + return my_repr; +} + +static PyObject * +Dict_tp_new(PyTypeObject *cls, PyObject *args, PyObject *kwargs) +{ + DBusPyDict *self = (DBusPyDict *)(PyDict_Type.tp_new)(cls, args, kwargs); + PyObject *variant_level = NULL; + + /* variant_level is immutable, so handle it in __new__ rather than + __init__ */ + if (!self) return NULL; + Py_INCREF(Py_None); + self->signature = Py_None; + self->variant_level = 0; + if (kwargs) { + variant_level = PyDict_GetItem(kwargs, dbus_py_variant_level_const); + } + if (variant_level) { + long new_variant_level = PyLong_AsLong(variant_level); + + if (new_variant_level == -1 && PyErr_Occurred()) { + Py_CLEAR(self); + return NULL; + } + self->variant_level = new_variant_level; + } + return (PyObject *)self; +} + +static int +Dict_tp_init(DBusPyDict *self, PyObject *args, PyObject *kwargs) +{ + PyObject *obj = dbus_py_empty_tuple; + PyObject *signature = NULL; + PyObject *tuple; + PyObject *variant_level; /* ignored here - __new__ uses it */ + static char *argnames[] = {"mapping_or_iterable", "signature", + "variant_level", NULL}; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOO:__init__", argnames, + &obj, &signature, &variant_level)) { + return -1; + } + + /* convert signature from a borrowed ref of unknown type to an owned ref + of type Signature (or None) */ + if (!signature) signature = Py_None; + if (signature == Py_None + || PyObject_IsInstance(signature, (PyObject *)&DBusPySignature_Type)) { + Py_INCREF(signature); + } + else { + signature = PyObject_CallFunction((PyObject *)&DBusPySignature_Type, + "(O)", signature); + if (!signature) return -1; + } + + if (signature != Py_None) { + const char *c_str; + PyObject *signature_as_bytes; + + if (!NATIVESTR_CHECK(signature)) { + PyErr_SetString(PyExc_TypeError, "str expected"); + Py_CLEAR(signature); + return -1; + } +#ifdef PY3 + if (!(signature_as_bytes = PyUnicode_AsUTF8String(signature))) { + Py_CLEAR(signature); + return -1; + } +#else + signature_as_bytes = signature; + Py_INCREF(signature_as_bytes); +#endif + + c_str = PyBytes_AS_STRING(signature_as_bytes); + switch (c_str[0]) { + case DBUS_TYPE_BYTE: + case DBUS_TYPE_BOOLEAN: + case DBUS_TYPE_INT16: + case DBUS_TYPE_UINT16: + case DBUS_TYPE_INT32: + case DBUS_TYPE_UINT32: + case DBUS_TYPE_INT64: + case DBUS_TYPE_UINT64: + case DBUS_TYPE_DOUBLE: +#ifdef WITH_DBUS_FLOAT32 + case DBUS_TYPE_FLOAT: +#endif +#ifdef DBUS_TYPE_UNIX_FD + case DBUS_TYPE_UNIX_FD: +#endif + case DBUS_TYPE_STRING: + case DBUS_TYPE_OBJECT_PATH: + case DBUS_TYPE_SIGNATURE: + break; + default: + Py_CLEAR(signature); + Py_CLEAR(signature_as_bytes); + PyErr_SetString(PyExc_ValueError, + "The key type in a Dictionary's signature " + "must be a primitive type"); + return -1; + } + + if (!dbus_signature_validate_single(c_str + 1, NULL)) { + Py_CLEAR(signature); + Py_CLEAR(signature_as_bytes); + PyErr_SetString(PyExc_ValueError, + "There must be exactly two complete types in " + "a Dictionary's signature parameter"); + return -1; + } + Py_CLEAR(signature_as_bytes); + } + + tuple = Py_BuildValue("(O)", obj); + if (!tuple) { + Py_CLEAR(signature); + return -1; + } + + if ((PyDict_Type.tp_init((PyObject *)self, tuple, NULL)) < 0) { + Py_CLEAR(tuple); + Py_CLEAR(signature); + return -1; + } + Py_CLEAR(tuple); + + Py_CLEAR(self->signature); + self->signature = signature; + return 0; +} + +PyTypeObject DBusPyDict_Type = { + PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0) + "dbus.Dictionary", + sizeof(DBusPyDict), + 0, + (destructor)Dict_tp_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + (reprfunc)Dict_tp_repr, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + 0, /* tp_getattro */ + 0, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + Dict_tp_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + 0, /* tp_methods */ + Dict_tp_members, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + (initproc)Dict_tp_init, /* tp_init */ + 0, /* tp_alloc */ + Dict_tp_new, /* tp_new */ +}; + +/* Struct =========================================================== */ + +static PyObject *struct_signatures; + +PyDoc_STRVAR(Struct_tp_doc, +"An structure containing items of possibly distinct types.\n" +"\n" +"Constructor::\n" +"\n" +" dbus.Struct(iterable, signature=None, variant_level=0) -> Struct\n" +"\n" +"D-Bus structs may not be empty, so the iterable argument is required and\n" +"may not be an empty iterable.\n" +"\n" +"``signature`` is either None, or a string representing the contents of the\n" +"struct as one or more complete type signatures. The overall signature of\n" +"the struct will be the given signature enclosed in parentheses, ``()``.\n" +"\n" +"If the signature is None (default) it will be guessed\n" +"from the types of the items during construction.\n" +"\n" +"``variant_level`` must be non-negative; the default is 0.\n" +"\n" +":IVariables:\n" +" `variant_level` : int\n" +" Indicates how many nested Variant containers this object\n" +" is contained in: if a message's wire format has a variant containing a\n" +" variant containing a struct, this is represented in Python by a\n" +" Struct with variant_level==2.\n" +); + +static PyObject * +Struct_tp_repr(PyObject *self) +{ + PyObject *parent_repr = (PyTuple_Type.tp_repr)((PyObject *)self); + PyObject *sig; + PyObject *sig_repr = NULL; + PyObject *key; + long variant_level; + PyObject *my_repr = NULL; + + if (!parent_repr) goto finally; + key = PyLong_FromVoidPtr(self); + if (!key) goto finally; + sig = PyDict_GetItem(struct_signatures, key); + Py_CLEAR(key); + if (!sig) sig = Py_None; + sig_repr = PyObject_Repr(sig); + if (!sig_repr) goto finally; + + variant_level = dbus_py_variant_level_get(self); + if (variant_level < 0) + goto finally; + + if (variant_level > 0) { + my_repr = PyUnicode_FromFormat("%s(%V, signature=%V, " + "variant_level=%ld)", + Py_TYPE(self)->tp_name, + REPRV(parent_repr), + REPRV(sig_repr), + variant_level); + } + else { + my_repr = PyUnicode_FromFormat("%s(%V, signature=%V)", + Py_TYPE(self)->tp_name, + REPRV(parent_repr), + REPRV(sig_repr)); + } + +finally: + Py_CLEAR(parent_repr); + Py_CLEAR(sig_repr); + return my_repr; +} + +static PyObject * +Struct_tp_new (PyTypeObject *cls, PyObject *args, PyObject *kwargs) +{ + PyObject *signature = NULL; + long variantness = 0; + PyObject *self, *key; + static char *argnames[] = {"signature", "variant_level", NULL}; + + if (PyTuple_Size(args) != 1) { + PyErr_SetString(PyExc_TypeError, + "__new__ takes exactly one positional parameter"); + return NULL; + } + if (!PyArg_ParseTupleAndKeywords(dbus_py_empty_tuple, kwargs, + "|Ol:__new__", argnames, + &signature, &variantness)) { + return NULL; + } + if (variantness < 0) { + PyErr_SetString(PyExc_ValueError, + "variant_level must be non-negative"); + return NULL; + } + + self = (PyTuple_Type.tp_new)(cls, args, NULL); + if (!self) + return NULL; + if (PyTuple_Size(self) < 1) { + PyErr_SetString(PyExc_ValueError, "D-Bus structs may not be empty"); + Py_CLEAR(self); + return NULL; + } + + if (!dbus_py_variant_level_set(self, variantness)) { + Py_CLEAR(self); + return NULL; + } + + /* convert signature from a borrowed ref of unknown type to an owned ref + of type Signature (or None) */ + if (!signature) signature = Py_None; + if (signature == Py_None + || PyObject_IsInstance(signature, (PyObject *)&DBusPySignature_Type)) { + Py_INCREF(signature); + } + else { + signature = PyObject_CallFunction((PyObject *)&DBusPySignature_Type, + "(O)", signature); + if (!signature) { + Py_CLEAR(self); + return NULL; + } + } + + key = PyLong_FromVoidPtr(self); + if (!key) { + Py_CLEAR(self); + Py_CLEAR(signature); + return NULL; + } + if (PyDict_SetItem(struct_signatures, key, signature) < 0) { + Py_CLEAR(key); + Py_CLEAR(self); + Py_CLEAR(signature); + return NULL; + } + + Py_CLEAR(key); + Py_CLEAR(signature); + return self; +} + +static void +Struct_tp_dealloc(PyObject *self) +{ + PyObject *et, *ev, *etb, *key; + + dbus_py_variant_level_clear(self); + PyErr_Fetch(&et, &ev, &etb); + + key = PyLong_FromVoidPtr(self); + if (key) { + if (PyDict_GetItem(struct_signatures, key)) { + if (PyDict_DelItem(struct_signatures, key) < 0) { + /* should never happen */ + PyErr_WriteUnraisable(self); + } + } + Py_CLEAR(key); + } + else { + /* not enough memory to free all the memory... leak the signature, + * there's not much else we could do here */ + PyErr_WriteUnraisable(self); + } + + PyErr_Restore(et, ev, etb); + (PyTuple_Type.tp_dealloc)(self); +} + +static PyObject * +Struct_tp_getattro(PyObject *obj, PyObject *name) +{ + PyObject *key, *value; + +#ifdef PY3 + if (PyUnicode_CompareWithASCIIString(name, "signature")) + return dbus_py_variant_level_getattro(obj, name); +#else + if (PyBytes_Check(name)) { + Py_INCREF(name); + } + else if (PyUnicode_Check(name)) { + name = PyUnicode_AsEncodedString(name, NULL, NULL); + if (!name) { + return NULL; + } + } + else { + PyErr_SetString(PyExc_TypeError, "attribute name must be string"); + return NULL; + } + + if (strcmp(PyBytes_AS_STRING(name), "signature")) { + value = dbus_py_variant_level_getattro(obj, name); + Py_CLEAR(name); + return value; + } + Py_CLEAR(name); +#endif /* PY3 */ + + key = PyLong_FromVoidPtr(obj); + + if (!key) { + return NULL; + } + + value = PyDict_GetItem(struct_signatures, key); + Py_CLEAR(key); + + if (!value) + value = Py_None; + Py_INCREF(value); + return value; +} + +PyTypeObject DBusPyStruct_Type = { + PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0) + "dbus.Struct", + 0, + 0, + Struct_tp_dealloc, /* tp_dealloc */ + 0, /* tp_print */ + 0, /* tp_getattr */ + 0, /* tp_setattr */ + 0, /* tp_compare */ + (reprfunc)Struct_tp_repr, /* tp_repr */ + 0, /* tp_as_number */ + 0, /* tp_as_sequence */ + 0, /* tp_as_mapping */ + 0, /* tp_hash */ + 0, /* tp_call */ + 0, /* tp_str */ + Struct_tp_getattro, /* tp_getattro */ + dbus_py_immutable_setattro, /* tp_setattro */ + 0, /* tp_as_buffer */ + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ + Struct_tp_doc, /* tp_doc */ + 0, /* tp_traverse */ + 0, /* tp_clear */ + 0, /* tp_richcompare */ + 0, /* tp_weaklistoffset */ + 0, /* tp_iter */ + 0, /* tp_iternext */ + 0, /* tp_methods */ + 0, /* tp_members */ + 0, /* tp_getset */ + 0, /* tp_base */ + 0, /* tp_dict */ + 0, /* tp_descr_get */ + 0, /* tp_descr_set */ + 0, /* tp_dictoffset */ + 0, /* tp_init */ + 0, /* tp_alloc */ + Struct_tp_new, /* tp_new */ +}; + +dbus_bool_t +dbus_py_init_container_types(void) +{ + struct_signatures = PyDict_New(); + if (!struct_signatures) return 0; + + DBusPyArray_Type.tp_base = &PyList_Type; + if (PyType_Ready(&DBusPyArray_Type) < 0) return 0; + DBusPyArray_Type.tp_print = NULL; + + DBusPyDict_Type.tp_base = &PyDict_Type; + if (PyType_Ready(&DBusPyDict_Type) < 0) return 0; + DBusPyDict_Type.tp_print = NULL; + + DBusPyStruct_Type.tp_base = &PyTuple_Type; + if (PyType_Ready(&DBusPyStruct_Type) < 0) return 0; + DBusPyStruct_Type.tp_print = NULL; + + return 1; +} + +dbus_bool_t +dbus_py_insert_container_types(PyObject *this_module) +{ + /* PyModule_AddObject steals a ref */ + Py_INCREF(&DBusPyArray_Type); + if (PyModule_AddObject(this_module, "Array", + (PyObject *)&DBusPyArray_Type) < 0) return 0; + + Py_INCREF(&DBusPyDict_Type); + if (PyModule_AddObject(this_module, "Dictionary", + (PyObject *)&DBusPyDict_Type) < 0) return 0; + + Py_INCREF(&DBusPyStruct_Type); + if (PyModule_AddObject(this_module, "Struct", + (PyObject *)&DBusPyStruct_Type) < 0) return 0; + + return 1; +} + +/* vim:set ft=c cino< sw=4 sts=4 et: */ + |