C++ PyErr_SetObject函数代码示例

void function::argument_error(PyObject* args, PyObject* /*keywords*/) const
{
    static handle<> exception(
        PyErr_NewException(const_cast<char*>("Boost.Python.ArgumentError"), PyExc_TypeError, 0));

    object message = "Python argument types in\n    %s.%s("
        % make_tuple(this->m_namespace, this->m_name);
    
    list actual_args;
    for (ssize_t i = 0; i < PyTuple_Size(args); ++i)
    {
        char const* name = PyTuple_GetItem(args, i)->ob_type->tp_name;
        actual_args.append(str(name));
    }
    message += str(", ").join(actual_args);
    message += ")\ndid not match C++ signature:\n    ";
    message += str("\n    ").join(signatures());

#if BOOST_PYTHON_DEBUG_ERROR_MESSAGES
    std::printf("\n--------\n%s\n--------\n", extract<const char*>(message)());
#endif 
    PyErr_SetObject(exception.get(), message.ptr());
    throw_error_already_set();
}

PyObject * AerospikeClient_HasGeo(AerospikeClient * self, PyObject * args, PyObject * kwds)
{
    // Initialize error
    as_error err;
    as_error_init(&err);

    if (!self || !self->as) {
        as_error_update(&err, AEROSPIKE_ERR_PARAM, "Invalid aerospike object");
        goto CLEANUP;
    }

    if (!self->is_conn_16) {
        as_error_update(&err, AEROSPIKE_ERR_CLUSTER, "No connection to aerospike cluster");
        goto CLEANUP;
    }

    if (aerospike_has_geo(self->as)) {
        Py_INCREF(Py_True);
        return Py_True;
    }

    Py_INCREF(Py_False);
    return Py_False;

CLEANUP:

    if ( err.code != AEROSPIKE_OK ) {
        PyObject * py_err = NULL;
        error_to_pyobject(&err, &py_err);
        PyObject *exception_type = raise_exception(&err);
        PyErr_SetObject(exception_type, py_err);
        Py_DECREF(py_err);
        return NULL;
    }
    return NULL;
}

static char *__config_gen_config(PyObject *indent, yajl_gen_config *config)
{
    long indentLevel = -1;
    char *spaces = NULL;

    if (!indent)
        return NULL;

    if ((indent != Py_None) && (!PyLong_Check(indent))
#ifndef IS_PYTHON3
            && (!PyInt_Check(indent))
#endif
    ) {
        PyErr_SetObject(PyExc_TypeError,
                PyUnicode_FromString("`indent` must be int or None"));
        return NULL;
    }

    if (indent != Py_None) {
        indentLevel = PyLong_AsLong(indent);

        if (indentLevel >= 0) {
            config->beautify = 1;
            if (indentLevel == 0) {
                config->indentString = "";
            }
            else {
                spaces = (char *)(malloc(sizeof(char) * (indentLevel + 1)));
                memset((void *)(spaces), (int)' ', indentLevel);
                spaces[indentLevel] = '\0';
                config->indentString = spaces;
            }
        }
    }
    return spaces;
}

TreeEntry *
Tree_getitem_by_index(Tree *self, PyObject *py_index)
{
    int index;
    const git_tree_entry *entry;

    index = Tree_fix_index(self, py_index);
    if (PyErr_Occurred())
        return NULL;

    entry = git_tree_entry_byindex(self->tree, index);
    if (!entry) {
        PyErr_SetObject(PyExc_IndexError, py_index);
        return NULL;
    }

    entry = git_tree_entry_dup(entry);
    if (entry == NULL) {
        PyErr_SetNone(PyExc_MemoryError);
        return NULL;
    }

    return wrap_tree_entry(entry);
}

static void set_gss_error(OM_uint32 err_maj, OM_uint32 err_min)
{
    OM_uint32 maj_stat, min_stat;
    OM_uint32 msg_ctx = 0;
    gss_buffer_desc status_string;
    char buf_maj[512];
    char buf_min[512];
    
    do
    {
        maj_stat = gss_display_status (&min_stat,
                                       err_maj,
                                       GSS_C_GSS_CODE,
                                       GSS_C_NO_OID,
                                       &msg_ctx,
                                       &status_string);
        if (GSS_ERROR(maj_stat))
            break;
        strncpy(buf_maj, (char*) status_string.value, sizeof(buf_maj));
        gss_release_buffer(&min_stat, &status_string);
        
        maj_stat = gss_display_status (&min_stat,
                                       err_min,
                                       GSS_C_MECH_CODE,
                                       GSS_C_NULL_OID,
                                       &msg_ctx,
                                       &status_string);
        if (!GSS_ERROR(maj_stat))
        {
            strncpy(buf_min, (char*) status_string.value, sizeof(buf_min));
            gss_release_buffer(&min_stat, &status_string);
        }
    } while (!GSS_ERROR(maj_stat) && msg_ctx != 0);
    
    PyErr_SetObject(GssException_class, Py_BuildValue("((s:i)(s:i))", buf_maj, err_maj, buf_min, err_min));
}

/**
 *******************************************************************************************************
 * Sends an info request to all the nodes in a cluster.
 *
 * @param self                  AerospikeClient object
 * @param args                  The args is a tuple object containing an argument
 *                              list passed from Python to a C function
 * @param kwds                  Dictionary of keywords
 *
 * Returns a server response for the particular request string.
 * In case of error,appropriate exceptions will be raised.
 *******************************************************************************************************
 */
PyObject * AerospikeClient_Info(AerospikeClient * self, PyObject * args, PyObject * kwds)
{
	PyObject * py_req = NULL;
	PyObject * py_policy = NULL;
	PyObject * py_hosts = NULL;
	PyObject * py_nodes = NULL;
	PyObject * py_ustr = NULL;
	foreach_callback_info_udata info_callback_udata;

	static char * kwlist[] = {"command", "hosts", "policy", NULL};

	if ( PyArg_ParseTupleAndKeywords(args, kwds, "O|OO:info", kwlist, &py_req, &py_hosts, &py_policy) == false ) {
		return NULL;
	}

	as_error err;
	as_error_init(&err);

	as_policy_info info_policy;
	as_policy_info* info_policy_p = NULL;
	py_nodes = PyDict_New();
	info_callback_udata.udata_p = py_nodes;
	info_callback_udata.host_lookup_p = py_hosts;
	as_error_init(&info_callback_udata.error);

	if (!self || !self->as) {
		as_error_update(&err, AEROSPIKE_ERR_PARAM, "Invalid aerospike object");
		goto CLEANUP;
	}
	if (!self->is_conn_16) {
		as_error_update(&err, AEROSPIKE_ERR_CLUSTER, "No connection to aerospike cluster");
		goto CLEANUP;
	}

	// Convert python policy object to as_policy_info
	pyobject_to_policy_info(&err, py_policy, &info_policy, &info_policy_p,
					&self->as->config.policies.info);
	if ( err.code != AEROSPIKE_OK ) {
		goto CLEANUP;
	}
	char * req = NULL;
	if ( PyUnicode_Check(py_req)) {
		py_ustr = PyUnicode_AsUTF8String(py_req);
		req = PyStr_AsString(py_ustr);
	} else if( PyStr_Check(py_req) ) {
		req = PyStr_AsString(py_req);
	} else {
		as_error_update(&err, AEROSPIKE_ERR_PARAM, "Request must be a string");
		goto CLEANUP;
	}
	aerospike_info_foreach(self->as, &err, info_policy_p, req,
					(aerospike_info_foreach_callback)AerospikeClient_Info_each,
					&info_callback_udata);

	if (&info_callback_udata.error.code != AEROSPIKE_OK) {
		as_error_update(&err, err.code, NULL);
		goto CLEANUP;
	}
CLEANUP:
	if (py_ustr) {
		Py_DECREF(py_ustr);
	}
	if ( info_callback_udata.error.code != AEROSPIKE_OK ) {
		PyObject * py_err = NULL;
		error_to_pyobject(&info_callback_udata.error, &py_err);
		PyObject *exception_type = raise_exception(&info_callback_udata.error);
		PyErr_SetObject(exception_type, py_err);
		Py_DECREF(py_err);
		if (py_nodes) {
			Py_DECREF(py_nodes);
		}
		return NULL;
	}
	if ( err.code != AEROSPIKE_OK ) {
		PyObject * py_err = NULL;
		error_to_pyobject(&err, &py_err);
		PyObject *exception_type = raise_exception(&err);
		PyErr_SetObject(exception_type, py_err);
		Py_DECREF(py_err);
		if (py_nodes) {
			Py_DECREF(py_nodes);
		}
		return NULL;
	}

	return info_callback_udata.udata_p;
}

static PyObject *
warn_explicit(PyObject *category, PyObject *message,
              PyObject *filename, int lineno,
              PyObject *module, PyObject *registry, PyObject *sourceline,
              PyObject *source)
{
    PyObject *key = NULL, *text = NULL, *result = NULL, *lineno_obj = NULL;
    PyObject *item = NULL;
    PyObject *action;
    int rc;

    /* module can be None if a warning is emitted late during Python shutdown.
       In this case, the Python warnings module was probably unloaded, filters
       are no more available to choose as action. It is safer to ignore the
       warning and do nothing. */
    if (module == Py_None)
        Py_RETURN_NONE;

    if (registry && !PyDict_Check(registry) && (registry != Py_None)) {
        PyErr_SetString(PyExc_TypeError, "'registry' must be a dict");
        return NULL;
    }

    /* Normalize module. */
    if (module == NULL) {
        module = normalize_module(filename);
        if (module == NULL)
            return NULL;
    }
    else
        Py_INCREF(module);

    /* Normalize message. */
    Py_INCREF(message);  /* DECREF'ed in cleanup. */
    rc = PyObject_IsInstance(message, PyExc_Warning);
    if (rc == -1) {
        goto cleanup;
    }
    if (rc == 1) {
        text = PyObject_Str(message);
        if (text == NULL)
            goto cleanup;
        category = (PyObject*)message->ob_type;
    }
    else {
        text = message;
        message = PyObject_CallFunction(category, "O", message);
        if (message == NULL)
            goto cleanup;
    }

    lineno_obj = PyLong_FromLong(lineno);
    if (lineno_obj == NULL)
        goto cleanup;

    /* Create key. */
    key = PyTuple_Pack(3, text, category, lineno_obj);
    if (key == NULL)
        goto cleanup;

    if ((registry != NULL) && (registry != Py_None)) {
        rc = already_warned(registry, key, 0);
        if (rc == -1)
            goto cleanup;
        else if (rc == 1)
            goto return_none;
        /* Else this warning hasn't been generated before. */
    }

    action = get_filter(category, text, lineno, module, &item);
    if (action == NULL)
        goto cleanup;

    if (PyUnicode_CompareWithASCIIString(action, "error") == 0) {
        PyErr_SetObject(category, message);
        goto cleanup;
    }

    /* Store in the registry that we've been here, *except* when the action
       is "always". */
    rc = 0;
    if (PyUnicode_CompareWithASCIIString(action, "always") != 0) {
        if (registry != NULL && registry != Py_None &&
                PyDict_SetItem(registry, key, Py_True) < 0)
            goto cleanup;
        else if (PyUnicode_CompareWithASCIIString(action, "ignore") == 0)
            goto return_none;
        else if (PyUnicode_CompareWithASCIIString(action, "once") == 0) {
            if (registry == NULL || registry == Py_None) {
                registry = get_once_registry();
                if (registry == NULL)
                    goto cleanup;
            }
            /* _once_registry[(text, category)] = 1 */
            rc = update_registry(registry, text, category, 0);
        }
        else if (PyUnicode_CompareWithASCIIString(action, "module") == 0) {
            /* registry[(text, category, 0)] = 1 */
            if (registry != NULL && registry != Py_None)
                rc = update_registry(registry, text, category, 0);
//.........这里部分代码省略.........

PyObject *spoolss_openprinter(PyObject *self, PyObject *args, PyObject *kw)
{
	char *unc_name, *server, *errstr;
	TALLOC_CTX *mem_ctx = NULL;
	POLICY_HND hnd;
	WERROR werror;
	PyObject *result = NULL, *creds = NULL;
	static char *kwlist[] = { "printername", "creds", "access", NULL };
	uint32 desired_access = MAXIMUM_ALLOWED_ACCESS;
	struct cli_state *cli;

	if (!PyArg_ParseTupleAndKeywords(
		    args, kw, "s|Oi", kwlist, &unc_name, &creds,
		    &desired_access))
		return NULL;

	if (unc_name[0] != '\\' || unc_name[1] != '\\') {
		PyErr_SetString(PyExc_ValueError, "UNC name required");
		return NULL;
	}

	server = strdup(unc_name + 2);

	if (strchr(server, '\\')) {
		char *c = strchr(server, '\\');
		*c = 0;
	}

	if (creds && creds != Py_None && !PyDict_Check(creds)) {
		PyErr_SetString(PyExc_TypeError, 
				"credentials must be dictionary or None");
		return NULL;
	}

	if (!(cli = open_pipe_creds(server, creds, PI_SPOOLSS, &errstr))) {
		PyErr_SetString(spoolss_error, errstr);
		free(errstr);
		goto done;
	}

	if (!(mem_ctx = talloc_init("spoolss_openprinter"))) {
		PyErr_SetString(spoolss_error, 
				"unable to init talloc context\n");
		goto done;
	}

	werror = cli_spoolss_open_printer_ex(
		cli, mem_ctx, unc_name, "", desired_access, server, 
		"", &hnd);

	if (!W_ERROR_IS_OK(werror)) {
		PyErr_SetObject(spoolss_werror, py_werror_tuple(werror));
		goto done;
	}

	result = new_spoolss_policy_hnd_object(cli, mem_ctx, &hnd);

 done:
	if (!result) {
		if (cli)
			cli_shutdown(cli);

		if (mem_ctx)
			talloc_destroy(mem_ctx);
	}

	SAFE_FREE(server);

	return result;
}

PyObject *PyErr_SetExcFromWindowsErrWithFilenameObjects(
    PyObject *exc,
    int ierr,
    PyObject *filenameObject,
    PyObject *filenameObject2)
{
    int len;
    WCHAR *s_buf = NULL; /* Free via LocalFree */
    PyObject *message;
    PyObject *args, *v;
    DWORD err = (DWORD)ierr;
    if (err==0) err = GetLastError();
    len = FormatMessageW(
        /* Error API error */
        FORMAT_MESSAGE_ALLOCATE_BUFFER |
        FORMAT_MESSAGE_FROM_SYSTEM |
        FORMAT_MESSAGE_IGNORE_INSERTS,
        NULL,           /* no message source */
        err,
        MAKELANGID(LANG_NEUTRAL,
        SUBLANG_DEFAULT), /* Default language */
        (LPWSTR) &s_buf,
        0,              /* size not used */
        NULL);          /* no args */
    if (len==0) {
        /* Only seen this in out of mem situations */
        message = PyUnicode_FromFormat("Windows Error 0x%x", err);
        s_buf = NULL;
    } else {
        /* remove trailing cr/lf and dots */
        while (len > 0 && (s_buf[len-1] <= L' ' || s_buf[len-1] == L'.'))
            s_buf[--len] = L'\0';
        message = PyUnicode_FromWideChar(s_buf, len);
    }

    if (message == NULL)
    {
        LocalFree(s_buf);
        return NULL;
    }

    if (filenameObject == NULL) {
        assert(filenameObject2 == NULL);
        filenameObject = filenameObject2 = Py_None;
    }
    else if (filenameObject2 == NULL)
        filenameObject2 = Py_None;
    /* This is the constructor signature for OSError.
       The POSIX translation will be figured out by the constructor. */
    args = Py_BuildValue("(iOOiO)", 0, message, filenameObject, err, filenameObject2);
    Py_DECREF(message);

    if (args != NULL) {
        v = PyObject_Call(exc, args, NULL);
        Py_DECREF(args);
        if (v != NULL) {
            PyErr_SetObject((PyObject *) Py_TYPE(v), v);
            Py_DECREF(v);
        }
    }
    LocalFree(s_buf);
    return NULL;
}

void
PyErr_SetNone(PyObject *exception)
{
    PyErr_SetObject(exception, (PyObject *)NULL);
}

static PyObject *
Util_func_interface_addresses(PyObject *obj)
{
    static char buf[INET6_ADDRSTRLEN+1];
    int i, count;
    uv_interface_address_t* interfaces;
    int err;
    PyObject *result, *item, *exc_data;

    UNUSED_ARG(obj);

    err = uv_interface_addresses(&interfaces, &count);
    if (err < 0) {
        exc_data = Py_BuildValue("(is)", err, uv_strerror(err));
        if (exc_data != NULL) {
            PyErr_SetObject(PyExc_UVError, exc_data);
            Py_DECREF(exc_data);
        }
        return NULL;
    }

    result = PyList_New(count);
    if (!result) {
        uv_free_interface_addresses(interfaces, count);
        return NULL;
    }

    for (i = 0; i < count; i++) {
        item = PyStructSequence_New(&InterfaceAddressesResultType);
        if (!item) {
            Py_DECREF(result);
            uv_free_interface_addresses(interfaces, count);
            return NULL;
        }
        PyStructSequence_SET_ITEM(item, 0, Py_BuildValue("s", interfaces[i].name));
        PyStructSequence_SET_ITEM(item, 1, PyBool_FromLong((long)interfaces[i].is_internal));
        if (interfaces[i].address.address4.sin_family == AF_INET) {
            uv_ip4_name(&interfaces[i].address.address4, buf, sizeof(buf));
        } else if (interfaces[i].address.address4.sin_family == AF_INET6) {
            uv_ip6_name(&interfaces[i].address.address6, buf, sizeof(buf));
        }
        PyStructSequence_SET_ITEM(item, 2, Py_BuildValue("s", buf));
        if (interfaces[i].netmask.netmask4.sin_family == AF_INET) {
            uv_ip4_name(&interfaces[i].netmask.netmask4, buf, sizeof(buf));
        } else if (interfaces[i].netmask.netmask4.sin_family == AF_INET6) {
            uv_ip6_name(&interfaces[i].netmask.netmask6, buf, sizeof(buf));
        }
        PyStructSequence_SET_ITEM(item, 3, Py_BuildValue("s", buf));
        PyOS_snprintf(buf, sizeof(buf), "%02x:%02x:%02x:%02x:%02x:%02x",
                                        (unsigned char)interfaces[i].phys_addr[0],
                                        (unsigned char)interfaces[i].phys_addr[1],
                                        (unsigned char)interfaces[i].phys_addr[2],
                                        (unsigned char)interfaces[i].phys_addr[3],
                                        (unsigned char)interfaces[i].phys_addr[4],
                                        (unsigned char)interfaces[i].phys_addr[5]);
        PyStructSequence_SET_ITEM(item, 4, Py_BuildValue("s", buf));
        PyList_SET_ITEM(result, i, item);
    }

    uv_free_interface_addresses(interfaces, count);
    return result;
}

int AppendEscapedArg (Connection *self, char *start, char *end, PyObject *obj)
{
  int ret;
  PyObject *strobj;

  /*
  FIXME: Surround strings with '' could be performed in this function to avoid extra logic in AppendAndEscapeString */
  PRINTMARK();

  if (PyString_Check(obj))
  {
    PRINTMARK();
    return AppendAndEscapeString(start, end, PyString_AS_STRING(obj), PyString_AS_STRING(obj) + PyString_GET_SIZE(obj), TRUE);
  }
  else
    if (PyUnicode_Check(obj))
    {
      PRINTMARK();
      strobj = self->PFN_PyUnicode_Encode(PyUnicode_AS_UNICODE(obj), PyUnicode_GET_SIZE(obj), NULL);

      if (strobj == NULL)
      {
        if (PyErr_Occurred())
        {
          return -1;
        }

        PyErr_SetObject (PyExc_ValueError, obj);
        return -1;
      }


      ret = AppendAndEscapeString(start, end, PyString_AS_STRING(strobj), PyString_AS_STRING(strobj) + PyString_GET_SIZE(strobj), TRUE);
      Py_DECREF(strobj);

      return ret;
    }
    else
      if (obj == Py_None)
      {
        (*start++) = 'n';
        (*start++) = 'u';
        (*start++) = 'l';
        (*start++) = 'l';
        return  4;
      }
      else
        if (PyDateTime_Check(obj))
        {
          int len = sprintf (start, "'%04d-%02d-%02d %02d:%02d:%02d'", 
            PyDateTime_GET_YEAR(obj),
            PyDateTime_GET_MONTH(obj),
            PyDateTime_GET_DAY(obj),
            PyDateTime_DATE_GET_HOUR(obj),
            PyDateTime_DATE_GET_MINUTE(obj),
            PyDateTime_DATE_GET_SECOND(obj));

          return len;
        }
        else
          if (PyDate_Check(obj))
          {
            int len = sprintf (start, "'%04d:%02d:%02d'", 
              PyDateTime_GET_YEAR(obj),
              PyDateTime_GET_MONTH(obj),
              PyDateTime_GET_DAY(obj));

            return len;
          }

          //FIXME: Might possible to avoid this?
          PRINTMARK();
          strobj = PyObject_Str(obj);
          ret = AppendAndEscapeString(start, end, PyString_AS_STRING(strobj), PyString_AS_STRING(strobj) + PyString_GET_SIZE(strobj), FALSE);
          Py_DECREF(strobj);
          return ret;
}

PyObject *Connection_query(Connection *self, PyObject *args)
{
  void *ret;
  PyObject *inQuery = NULL;
  PyObject *query = NULL;
  PyObject *iterable = NULL;
  PyObject *escapedQuery = NULL;

  if (!UMConnection_IsConnected(self->conn))
  {
    return PyErr_Format(PyExc_RuntimeError, "Not connected");
  }

  if (!PyArg_ParseTuple (args, "O|O", &inQuery, &iterable))
  {
    return NULL;
  }

  if (iterable)
  {
    PyObject *iterator = PyObject_GetIter(iterable);

    if (iterator == NULL)
    {
      PyErr_Clear();
      return PyErr_Format(PyExc_TypeError, "Expected iterable");
    }

    Py_DECREF(iterator);
  }

  if (!PyString_Check(inQuery))
  {
    if (!PyUnicode_Check(inQuery))
    {
      PRINTMARK();
      return PyErr_Format(PyExc_TypeError, "Query argument must be either String or Unicode");
    }

    query = self->PFN_PyUnicode_Encode(PyUnicode_AS_UNICODE(inQuery), PyUnicode_GET_SIZE(inQuery), NULL);

    if (query == NULL)
    {
      if (!PyErr_Occurred())
      {
        PyErr_SetObject(PyExc_ValueError, query);
        return NULL;
      }

      return NULL;
    }
  }
  else
  {
    query = inQuery;
    Py_INCREF(query);
  }

  if (iterable)
  {
    PRINTMARK();
    escapedQuery = EscapeQueryArguments(self, query, iterable);
    Py_DECREF(query);

    if (escapedQuery == NULL)
    {
      if (!PyErr_Occurred())
      {
        return PyErr_Format(PyExc_RuntimeError, "Exception not set in EscapeQueryArguments chain");
      }

      return NULL;
    }

  }
  else
  {
    escapedQuery = query;
  }

  ret =  UMConnection_Query(self->conn, PyString_AS_STRING(escapedQuery), PyString_GET_SIZE(escapedQuery));

  Py_DECREF(escapedQuery);

  PRINTMARK();
  if (ret == NULL)
  {
    return HandleError(self, "query");
  }

  PRINTMARK();
  return (PyObject *) ret;
}

static PyObject *Stream_iternext(StreamObject *self)
{
    PyObject *attribute = NULL;
    PyObject *method = NULL;
    PyObject *args = NULL;
    PyObject *result = NULL;

    attribute = PyObject_GetAttrString((PyObject *)self, "filelike");

    if (!attribute) {
        PyErr_SetString(PyExc_KeyError,
                        "file wrapper no filelike attribute");
        return 0;
    }

    method = PyObject_GetAttrString(attribute, "read");

    if (!method) {
        PyErr_SetString(PyExc_KeyError,
                        "file like object has no read() method");
        Py_DECREF(attribute);
        return 0;
    }

    Py_DECREF(attribute);

    attribute = PyObject_GetAttrString((PyObject *)self, "blksize");

    if (!attribute) {
        PyErr_SetString(PyExc_KeyError,
                        "file wrapper has no blksize attribute");
        Py_DECREF(method);
        return 0;
    }

    if (!PyLong_Check(attribute)) {
        PyErr_SetString(PyExc_KeyError,
                        "file wrapper blksize attribute not integer");
        Py_DECREF(method);
        Py_DECREF(attribute);
        return 0;
    }

    args = Py_BuildValue("(O)", attribute);
    result = PyEval_CallObject(method, args);

    Py_DECREF(args);
    Py_DECREF(method);
    Py_DECREF(attribute);

    if (!result)
        return 0;

    if (PyString_Check(result)) {
        if (PyString_Size(result) == 0) {
            PyErr_SetObject(PyExc_StopIteration, Py_None);
            Py_DECREF(result);
            return 0;
        }

        return result;
    }

    Py_DECREF(result);

    PyErr_SetString(PyExc_TypeError,
                    "file like object yielded non string type");

    return 0;
}

//.........这里部分代码省略.........

    if (!self->is_conn_16) {
        as_error_update(&err, AEROSPIKE_ERR_CLUSTER, "No connection to aerospike cluster");
        goto CLEANUP;
    }

    // Convert python key object to as_key
    pyobject_to_key(&err, py_key, &key);
    if ( err.code != AEROSPIKE_OK ) {
        goto CLEANUP;
    }
    // Key is initialiased successfully
    key_initialised = true;

    // Convert python list to as_list
    pyobject_to_list(self, &err, py_arglist, &arglist, NULL, -1);
    if ( err.code != AEROSPIKE_OK ) {
        goto CLEANUP;
    }

    // Convert python policy object to as_policy_apply
    pyobject_to_policy_apply(&err, py_policy, &apply_policy, &apply_policy_p,
                             &self->as->config.policies.apply);
    if ( err.code != AEROSPIKE_OK ) {
        goto CLEANUP;
    }

    if ( PyUnicode_Check(py_module) ) {
        py_umodule = PyUnicode_AsUTF8String(py_module);
        module = PyStr_AsString(py_umodule);
    }
    else if ( PyStr_Check(py_module) ) {
        module = PyStr_AsString(py_module);
    }
    else {
        as_error_update(&err, AEROSPIKE_ERR_CLIENT, "udf module argument must be a string or unicode string");
        goto CLEANUP;
    }

    if ( PyUnicode_Check(py_function) ) {
        py_ufunction = PyUnicode_AsUTF8String(py_function);
        function = PyStr_AsString(py_ufunction);
    }
    else if ( PyStr_Check(py_function) ) {
        function = PyStr_AsString(py_function);
    }
    else {
        as_error_update(&err, AEROSPIKE_ERR_CLIENT, "function name must be a string or unicode string");
        goto CLEANUP;
    }

    // Invoke operation
    aerospike_key_apply(self->as, &err, apply_policy_p, &key, module, function, arglist, &result);

    if ( err.code == AEROSPIKE_OK ) {
        val_to_pyobject(&err, result, &py_result);
    } else {
        as_error_update(&err, err.code, NULL);
    }

CLEANUP:

    if (py_umodule) {
        Py_DECREF(py_umodule);
    }

    if (py_ufunction) {
        Py_DECREF(py_ufunction);
    }

    if (key_initialised == true) {
        // Destroy the key if it is initialised successfully.
        as_key_destroy(&key);
    }
    as_list_destroy(arglist);
    as_val_destroy(result);

    if ( err.code != AEROSPIKE_OK ) {
        PyObject * py_err = NULL;
        error_to_pyobject(&err, &py_err);
        PyObject *exception_type = raise_exception(&err);
        if(PyObject_HasAttrString(exception_type, "key")) {
            PyObject_SetAttrString(exception_type, "key", py_key);
        }
        if(PyObject_HasAttrString(exception_type, "bin")) {
            PyObject_SetAttrString(exception_type, "bin", Py_None);
        }
        if(PyObject_HasAttrString(exception_type, "module")) {
            PyObject_SetAttrString(exception_type, "module", py_module);
        }
        if(PyObject_HasAttrString(exception_type, "func")) {
            PyObject_SetAttrString(exception_type, "func", py_function);
        }
        PyErr_SetObject(exception_type, py_err);
        Py_DECREF(py_err);
        return NULL;
    }

    return py_result;
}