Python Cache.resets方法代码示例

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
    def __call__(self, *args):
        from trytond.cache import Cache
        from trytond.transaction import Transaction
        from trytond.rpc import RPC

        if self._name in self._object.__rpc__:
            rpc = self._object.__rpc__[self._name]
        elif self._name in getattr(self._object, '_buttons', {}):
            rpc = RPC(readonly=False, instantiate=0)
        else:
            raise TypeError('%s is not callable' % self._name)

        with Transaction().start(self._config.database_name,
                self._config.user, readonly=rpc.readonly) as transaction:
            Cache.clean(self._config.database_name)
            args, kwargs, transaction.context, transaction.timestamp = \
                rpc.convert(self._object, *args)
            meth = getattr(self._object, self._name)
            if not hasattr(meth, 'im_self') or meth.im_self:
                result = rpc.result(meth(*args, **kwargs))
            else:
                assert rpc.instantiate == 0
                inst = args.pop(0)
                if hasattr(inst, self._name):
                    result = rpc.result(meth(inst, *args, **kwargs))
                else:
                    result = [rpc.result(meth(i, *args, **kwargs))
                        for i in inst]
            if not rpc.readonly:
                transaction.commit()
            Cache.resets(self._config.database_name)
        return result

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
    def finish(self):
        WebDAVServer.DAVRequestHandler.finish(self)

        global CACHE
        CACHE = LocalDict()
        if not Transaction().cursor:
            return
        dbname = Transaction().cursor.database_name
        Transaction().stop()
        if dbname:
            Cache.resets(dbname)

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
    def _load_modules():
        global res
        TableHandler = backend.get('TableHandler')
        cursor = Transaction().cursor

        # Migration from 3.6: remove double module
        old_table = 'ir_module_module'
        new_table = 'ir_module'
        if TableHandler.table_exist(cursor, old_table):
            TableHandler.table_rename(cursor, old_table, new_table)
        if update:
            cursor.execute(*ir_module.select(ir_module.name,
                    where=ir_module.state.in_(('installed', 'to install',
                            'to upgrade', 'to remove'))))
        else:
            cursor.execute(*ir_module.select(ir_module.name,
                    where=ir_module.state.in_(('installed', 'to upgrade',
                            'to remove'))))
        module_list = [name for (name,) in cursor.fetchall()]
        if update:
            module_list += update
        graph = create_graph(module_list)[0]

        try:
            load_module_graph(graph, pool, update, lang)
        except Exception:
            cursor.rollback()
            raise

        if update:
            cursor.execute(*ir_module.select(ir_module.name,
                    where=(ir_module.state == 'to remove')))
            fetchall = cursor.fetchall()
            if fetchall:
                for (mod_name,) in fetchall:
                    # TODO check if ressource not updated by the user
                    cursor.execute(*ir_model_data.select(ir_model_data.model,
                            ir_model_data.db_id,
                            where=(ir_model_data.module == mod_name),
                            order_by=ir_model_data.id.desc))
                    for rmod, rid in cursor.fetchall():
                        Model = pool.get(rmod)
                        Model.delete([Model(rid)])
                    cursor.commit()
                cursor.execute(*ir_module.update([ir_module.state],
                        ['uninstalled'],
                        where=(ir_module.state == 'to remove')))
                cursor.commit()
                res = False

            Module = pool.get('ir.module')
            Module.update_list()
        cursor.commit()
        Cache.resets(database_name)

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
    def dispatch_request(self):
        """
        Does the request dispatching.  Matches the URL and returns the
        return value of the view or error handler.  This does not have to
        be a response object.
        """
        DatabaseOperationalError = backend.get('DatabaseOperationalError')

        req = _request_ctx_stack.top.request
        if req.routing_exception is not None:
            self.raise_routing_exception(req)

        rule = req.url_rule
        # if we provide automatic options for this URL and the
        # request came with the OPTIONS method, reply automatically
        if getattr(rule, 'provide_automatic_options', False) \
           and req.method == 'OPTIONS':
            return self.make_default_options_response()

        with Transaction().start(self.database_name, 0):
            Cache.clean(self.database_name)
            Cache.resets(self.database_name)

        with Transaction().start(self.database_name, 0, readonly=True):
            Website = Pool().get('nereid.website')
            website = Website.get_from_host(req.host)

            user, company = website.application_user.id, website.company.id

        for count in range(int(config.get('database', 'retry')), -1, -1):
            with Transaction().start(
                    self.database_name, user,
                    context={'company': company},
                    readonly=rule.is_readonly) as txn:
                try:
                    transaction_start.send(self)
                    rv = self._dispatch_request(req)
                    txn.cursor.commit()
                except DatabaseOperationalError:
                    # Strict transaction handling may cause this.
                    # Rollback and Retry the whole transaction if within
                    # max retries, or raise exception and quit.
                    txn.cursor.rollback()
                    if count:
                        continue
                    raise
                except Exception:
                    # Rollback and raise any other exception
                    txn.cursor.rollback()
                    raise
                else:
                    return rv
                finally:
                    transaction_stop.send(self)

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
def login(request, database_name, user, password):
    Database = backend.get('Database')
    DatabaseOperationalError = backend.get('DatabaseOperationalError')
    try:
        Database(database_name).connect()
    except DatabaseOperationalError:
        logger.error('fail to connect to %s', database_name, exc_info=True)
        return False
    session = security.login(database_name, user, password)
    with Transaction().start(database_name, 0):
        Cache.clean(database_name)
        Cache.resets(database_name)
    msg = 'successful login' if session else 'bad login or password'
    logger.info('%s \'%s\' from %s using %s on database \'%s\'',
        msg, user, request.remote_addr, request.scheme, database_name)
    return session

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
    def __init__(self, database_name=None, user='admin', database_type=None,
            language='en_US', password='', config_file=None):
        super(TrytondConfig, self).__init__()
        from trytond.config import CONFIG
        CONFIG.update_etc(config_file)
        CONFIG.set_timezone()
        if database_type is not None:
            CONFIG['db_type'] = database_type
        from trytond.pool import Pool
        from trytond import backend
        from trytond.protocols.dispatcher import create
        from trytond.cache import Cache
        from trytond.transaction import Transaction
        self.database_type = CONFIG['db_type']
        if database_name is None:
            if self.database_type == 'sqlite':
                database_name = ':memory:'
            else:
                database_name = 'test_%s' % int(time.time())
        self.database_name = database_name
        self._user = user
        self.config_file = config_file

        Pool.start()

        with Transaction().start(None, 0) as transaction:
            cursor = transaction.cursor
            databases = backend.get('Database').list(cursor)
        if database_name not in databases:
            create(database_name, CONFIG['admin_passwd'], language, password)

        database_list = Pool.database_list()
        self.pool = Pool(database_name)
        if database_name not in database_list:
            self.pool.init()

        with Transaction().start(self.database_name, 0) as transaction:
            Cache.clean(database_name)
            User = self.pool.get('res.user')
            transaction.context = self.context
            self.user = User.search([
                ('login', '=', user),
                ], limit=1)[0].id
            with transaction.set_user(self.user):
                self._context = User.get_preferences(context_only=True)
        Cache.resets(database_name)

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
            def wrapper(*args, **kwargs):
                _db = Tdb._db
                _readonly = True
                if readonly is not None:
                    _readonly = readonly
                elif 'request' in kwargs:
                    _readonly = not (kwargs['request'].method
                                     in ('PUT', 'POST', 'DELETE', 'PATCH'))
                _user = user or 0
                _context = {}

                _retry = Tdb._retry or 0
                _is_open = (Transaction().cursor)

                if not _is_open:
                    with Transaction().start(_db, 0):
                        Cache.clean(_db)
                        _context.update(default_context())
                else:
                    # Transaction().new_cursor(readonly=_readonly)
                    pass
                _context.update(context or {})
                # _context.update({'company': Tdb._company})

                for count in range(_retry, -1, -1):
                    with NoTransaction() if _is_open else Transaction().start(
                            _db, _user, readonly=_readonly, context=_context):
                        cursor = Transaction().cursor
                        if withhold:
                            cursor.cursor.withhold = True
                        try:
                            result = func(*args, **kwargs)
                            if not _readonly:
                                cursor.commit()
                        except DatabaseOperationalError:
                            cursor.rollback()
                            if count and not _readonly:
                                continue
                            raise
                        except Exception:
                            cursor.rollback()
                            raise
                        Cache.resets(_db)
                        return result

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
    def __init__(self, database=None, user='admin', config_file=None):
        super(TrytondConfig, self).__init__()
        if not database:
            database = os.environ.get('TRYTOND_DATABASE_URI')
        else:
            os.environ['TRYTOND_DATABASE_URI'] = database
        if not config_file:
            config_file = os.environ.get('TRYTOND_CONFIG')
        from trytond.config import config
        config.update_etc(config_file)
        from trytond.pool import Pool
        from trytond.cache import Cache
        from trytond.transaction import Transaction
        self.database = database
        database_name = None
        if database:
            uri = urlparse.urlparse(database)
            database_name = uri.path.strip('/')
        if not database_name:
            database_name = os.environ['DB_NAME']
        self.database_name = database_name
        self._user = user
        self.config_file = config_file

        Pool.start()
        self.pool = Pool(database_name)
        self.pool.init()

        with Transaction().start(self.database_name, 0) as transaction:
            Cache.clean(database_name)
            User = self.pool.get('res.user')
            transaction.context = self.context
            self.user = User.search([
                ('login', '=', user),
                ], limit=1)[0].id
            with transaction.set_user(self.user):
                self._context = User.get_preferences(context_only=True)
            Cache.resets(database_name)

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
def load_modules(database_name, pool, update=False, lang=None):
    res = True
    if not Transaction().cursor:
        contextmanager = Transaction().start(database_name, 0)
    else:
        contextmanager = contextlib.nested(Transaction().new_cursor(),
                Transaction().set_user(0),
                Transaction().reset_context())
    with contextmanager:
        cursor = Transaction().cursor
        if update:
            # Migration from 2.2: workflow module removed
            cursor.execute('DELETE FROM ir_module_module '
                'WHERE name = %s', ('workflow',))
            if 'all' in CONFIG['init']:
                cursor.execute("SELECT name FROM ir_module_module "
                    "WHERE name != \'test\'")
            else:
                cursor.execute("SELECT name FROM ir_module_module "
                    "WHERE state IN ('installed', 'to install', "
                    "'to upgrade', 'to remove')")
        else:
            cursor.execute("SELECT name FROM ir_module_module "
                "WHERE state IN ('installed', 'to upgrade', 'to remove')")
        module_list = [name for (name,) in cursor.fetchall()]
        if update:
            for module in CONFIG['init'].keys():
                if CONFIG['init'][module]:
                    module_list.append(module)
            for module in CONFIG['update'].keys():
                if CONFIG['update'][module]:
                    module_list.append(module)
        graph = create_graph(module_list)[0]

        try:
            load_module_graph(graph, pool, lang)
        except Exception:
            cursor.rollback()
            raise

        if update:
            cursor.execute("SELECT name FROM ir_module_module "
                "WHERE state IN ('to remove')")
            fetchall = cursor.fetchall()
            if fetchall:
                for (mod_name,) in fetchall:
                    #TODO check if ressource not updated by the user
                    cursor.execute('SELECT model, db_id FROM ir_model_data '
                        'WHERE module = %s '
                        'ORDER BY id DESC', (mod_name,))
                    for rmod, rid in cursor.fetchall():
                        Model = pool.get(rmod)
                        Model.delete([Model(rid)])
                    cursor.commit()
                cursor.execute("UPDATE ir_module_module SET state = %s "
                    "WHERE state IN ('to remove')", ('uninstalled',))
                cursor.commit()
                res = False

            Module = pool.get('ir.module.module')
            Module.update_list()
        cursor.commit()
    Cache.resets(database_name)
    return res

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
def dispatch(host, port, protocol, database_name, user, session, object_type,
        object_name, method, *args, **kargs):

    if object_type == 'common':
        if method == 'login':
            try:
                database = Database(database_name).connect()
                cursor = database.cursor()
                cursor.close()
            except Exception:
                return False
            res = security.login(database_name, user, session)
            Cache.clean(database_name)
            logger = logging.getLogger('dispatcher')
            msg = res and 'successful login' or 'bad login or password'
            logger.info('%s \'%s\' from %s:%d using %s on database \'%s\'' % \
                    (msg, user, host, port, protocol, database_name))
            Cache.resets(database_name)
            return res or False
        elif method == 'logout':
            name = security.logout(database_name, user, session)
            logger = logging.getLogger('dispatcher')
            logger.info('logout \'%s\' from %s:%d ' \
                    'using %s on database \'%s\'' %
                    (name, host, port, protocol, database_name))
            return True
        elif method == 'version':
            return VERSION
        elif method == 'timezone_get':
            return CONFIG['timezone']
        elif method == 'list_lang':
            return [
                ('bg_BG', 'Български'),
                ('ca_ES', 'Català'),
                ('cs_CZ', 'Čeština'),
                ('de_DE', 'Deutsch'),
                ('en_US', 'English'),
                ('es_AR', 'Español (Argentina)'),
                ('es_ES', 'Español (España)'),
                ('es_CO', 'Español (Colombia)'),
                ('fr_FR', 'Français'),
                ('nl_NL', 'Nederlands'),
                ('ru_RU', 'Russian'),
            ]
        elif method == 'db_exist':
            try:
                database = Database(*args, **kargs).connect()
                cursor = database.cursor()
                cursor.close(close=True)
                return True
            except Exception:
                return False
        elif method == 'list':
            if CONFIG['prevent_dblist']:
                raise Exception('AccessDenied')
            database = Database().connect()
            try:
                cursor = database.cursor()
                try:
                    res = database.list(cursor)
                finally:
                    cursor.close(close=True)
            except Exception:
                res = []
            return res
        elif method == 'create':
            return create(*args, **kargs)
        elif method == 'restore':
            return restore(*args, **kargs)
        elif method == 'drop':
            return drop(*args, **kargs)
        elif method == 'dump':
            return dump(*args, **kargs)
        return
    elif object_type == 'system':
        database = Database(database_name).connect()
        database_list = Pool.database_list()
        pool = Pool(database_name)
        if not database_name in database_list:
            pool.init()
        if method == 'listMethods':
            res = []
            for type in ('model', 'wizard', 'report'):
                for object_name, obj in pool.iterobject(type=type):
                    for method in obj._rpc:
                        res.append(type + '.' + object_name + '.' + method)
            return res
        elif method == 'methodSignature':
            return 'signatures not supported'
        elif method == 'methodHelp':
            res = []
            args_list = args[0].split('.')
            object_type = args_list[0]
            object_name = '.'.join(args_list[1:-1])
            method = args_list[-1]
            obj = pool.get(object_name, type=object_type)
            return pydoc.getdoc(getattr(obj, method))

    user = security.check(database_name, user, session)

#.........这里部分代码省略.........

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
                            UserWarning)):
                    tb_s = ''.join(traceback.format_exception(*sys.exc_info()))
                    logger = logging.getLogger('dispatcher')
                    logger.error('Exception calling method %s on '
                        '%s %s from %[email protected]%s:%d/%s:\n'
                        % (method, object_type, object_name, user, host, port,
                            database_name) + tb_s)
                transaction.cursor.rollback()
                raise
        if not (object_name == 'res.request' and method == 'request_get'):
            with Transaction().start(database_name, 0) as transaction:
                pool = Pool(database_name)
                session_obj = pool.get('ir.session')
                session_obj.reset(session)
                transaction.cursor.commit()
        Cache.resets(database_name)
        return res


def create(database_name, password, lang, admin_password):
    '''
    Create a database

    :param database_name: the database name
    :param password: the server password
    :param lang: the default language for the database
    :param admin_password: the admin password
    :return: True if succeed
    '''
    security.check_super(password)
    res = False

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
                    result = jsonify(error={
                        'type': 'UserError',
                        'message': exc.message,
                        'description': exc.description,
                        'code': exc.code,
                    }), 500
                    current_app.logger.error(traceback.format_exc())
                except Exception, exc:
                    cursor.rollback()
                    result = jsonify(error=unicode(exc)), 500
                    current_app.logger.error(traceback.format_exc())
                else:
                    if not (readonly or current_app.testing):
                        cursor.commit()

            Cache.resets(database)
            return result
    return wrapper


ar_to_dict = lambda ar: {'id': ar.id, 'rec_name': ar.rec_name}


@restful.route('/login', methods=['POST'])
def login(database):
    """
    POST: Login and return user id and session
    """
    result = security.login(
        database, request.form['login'], request.form['password']
    )

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
def _dispatch(request, pool, *args, **kwargs):
    DatabaseOperationalError = backend.get('DatabaseOperationalError')

    obj, method = get_object_method(request, pool)
    if method in obj.__rpc__:
        rpc = obj.__rpc__[method]
    else:
        raise UserError('Calling method %s on %s is not allowed'
            % (method, obj))

    log_message = '%s.%s(*%s, **%s) from %[email protected]%s/%s'
    log_args = (obj, method, args, kwargs,
        request.authorization.username, request.remote_addr, request.path)
    logger.info(log_message, *log_args)

    user = request.user_id
    session = None
    if request.authorization.type == 'session':
        session = request.authorization.get('session')

    for count in range(config.getint('database', 'retry'), -1, -1):
        with Transaction().start(pool.database_name, user,
                readonly=rpc.readonly,
                context={'session': session}) as transaction:
            Cache.clean(pool.database_name)
            try:
                PerfLog().on_enter(user, session,
                    request.method, args, kwargs)
            except:
                perf_logger.exception('on_enter failed')
            try:
                c_args, c_kwargs, transaction.context, transaction.timestamp \
                    = rpc.convert(obj, *args, **kwargs)
                meth = getattr(obj, method)
                try:
                    wrapped_meth = profile(meth)
                except:
                    perf_logger.exception('profile failed')
                else:
                    meth = wrapped_meth
                if (rpc.instantiate is None
                        or not is_instance_method(obj, method)):
                    result = rpc.result(meth(*c_args, **c_kwargs))
                else:
                    assert rpc.instantiate == 0
                    inst = c_args.pop(0)
                    if hasattr(inst, method):
                        result = rpc.result(meth(inst, *c_args, **c_kwargs))
                    else:
                        result = [rpc.result(meth(i, *c_args, **c_kwargs))
                            for i in inst]
            except DatabaseOperationalError:
                if count and not rpc.readonly:
                    transaction.rollback()
                    continue
                logger.error(log_message, *log_args, exc_info=True)
                raise
            except (ConcurrencyException, UserError, UserWarning):
                logger.debug(log_message, *log_args, exc_info=True)
                raise
            except Exception:
                logger.error(log_message, *log_args, exc_info=True)
                raise
            # Need to commit to unlock SQLite database
            transaction.commit()
            Cache.resets(pool.database_name)
        if request.authorization.type == 'session':
            try:
                with Transaction().start(pool.database_name, 0) as transaction:
                    Session = pool.get('ir.session')
                    Session.reset(request.authorization.get('session'))
            except DatabaseOperationalError:
                logger.debug('Reset session failed', exc_info=True)
        logger.debug('Result: %s', result)
        try:
            PerfLog().on_leave(result)
        except:
            perf_logger.exception('on_leave failed')
        return result

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
    def __init__(self, database_uri=None, user='admin', language='en_US',
                 admin_password='',
                 super_pwd=None,
                 config_file=None):
        OrigConfigModule.Config.__init__(self)
        # FixMe: straighten this mess out

        if config_file is None:
            config_file = os.environ.get('TRYTOND_CONFIG')
        assert config_file and os.path.isfile(config_file), \
            "Set the environment variable TRYTOND_CONFIG to the path of TRYTOND CONFIG"

        if not database_uri:
            database_uri = os.environ.get('TRYTOND_DATABASE_URI')
        else:
            os.environ['TRYTOND_DATABASE_URI'] = database_uri
        assert os.path.isfile(config_file), \
            "set os.environ.get('TRYTOND_CONFIG') to be the Tryton config file"

        from trytond.config import config
        config.update_etc(config_file)

        from trytond.pool import Pool
        from trytond import backend
        from trytond.protocols.dispatcher import create
        from trytond.cache import Cache
        from trytond.transaction import Transaction
        self.database = database_uri
        database_name = None
        if database_uri:
            uri = urlparse.urlparse(database_uri)
            database_name = uri.path.strip('/')
        if not database_name:
            assert 'DB_NAME' in os.environ, \
                "Set os.environ['DB_NAME'] to be the database name"
            database_name = os.environ['DB_NAME']
        self.database_name = database_name
        self._user = user
        self.config_file = config_file

        Pool.start()
        if False:
           # new in 3.4
            self.pool = Pool(database_name)
            self.pool.init()
        else:
            # 3.2 code created the database if it did not exist
            with Transaction().start(None, 0) as transaction:
                cursor = transaction.cursor
                databases = backend.get('Database').list(cursor)
            if database_name not in databases:
                # trytond/protocols/dispatcher.py
                '''
                Create a database

                :param database_name: the database name
                :param password: the server password
                :param lang: the default language for the database
                :param admin_password: the admin password
                :return: True if succeed
                '''
                if not super_pwd:
                    sys.stderr.write(
                        "WARN: No super_pwd to create db %s\n" % (database_name,))
                    #! This is NOT the postgres server password
                    #! This calls security.check_super(password)
                    #! which is set in the conf file, [session]super_pwd
                    #! using crypt to generate it from from the command line
                    #! We default it to admin which may also be the
                    #! of the user 'admin': admin_password
                    super_pwd = 'admin'

                assert admin_password, "ERROR: No admin_password to create db " + database_name
                sys.stderr.write(
                    "create %s %s %s %s\n" % (database_name, super_pwd, language, admin_password,))
                create(database_name, super_pwd, language, admin_password)

            database_list = Pool.database_list()
            self.pool = Pool(database_name)
            if database_name not in database_list:
                self.pool.init()

        with Transaction().start(self.database_name, 0) as transaction:
            Cache.clean(database_name)
            User = self.pool.get('res.user')
            transaction.context = self.context
            self.user = User.search([
                ('login', '=', user),
                ], limit=1)[0].id
            with transaction.set_user(self.user):
                self._context = User.get_preferences(context_only=True)
            Cache.resets(database_name)

# 需要导入模块: from trytond.cache import Cache [as 别名]
# 或者: from trytond.cache.Cache import resets [as 别名]
def dispatch(host, port, protocol, database_name, user, session, object_type,
        object_name, method, *args, **kwargs):
    Database = backend.get('Database')
    DatabaseOperationalError = backend.get('DatabaseOperationalError')
    if object_type == 'common':
        if method == 'login':
            try:
                database = Database(database_name).connect()
                cursor = database.cursor()
                cursor.close()
            except Exception:
                return False
            res = security.login(database_name, user, session)
            with Transaction().start(database_name, 0):
                Cache.clean(database_name)
                Cache.resets(database_name)
            msg = res and 'successful login' or 'bad login or password'
            logger.info('%s \'%s\' from %s:%d using %s on database \'%s\'',
                msg, user, host, port, protocol, database_name)
            return res or False
        elif method == 'logout':
            name = security.logout(database_name, user, session)
            logger.info('logout \'%s\' from %s:%d '
                'using %s on database \'%s\'',
                name, host, port, protocol, database_name)
            return True
        elif method == 'version':
            return __version__
        elif method == 'list_lang':
            return [
                ('bg_BG', 'Български'),
                ('ca_ES', 'Català'),
                ('cs_CZ', 'Čeština'),
                ('de_DE', 'Deutsch'),
                ('en_US', 'English'),
                ('es_AR', 'Español (Argentina)'),
                ('es_EC', 'Español (Ecuador)'),
                ('es_ES', 'Español (España)'),
                ('es_CO', 'Español (Colombia)'),
                ('es_MX', 'Español (México)'),
                ('fr_FR', 'Français'),
                ('hu_HU', 'Magyar'),
                ('it_IT', 'Italiano'),
                ('lt_LT', 'Lietuvių'),
                ('nl_NL', 'Nederlands'),
                ('pt_BR', 'Português (Brasil)'),
                ('ru_RU', 'Russian'),
                ('sl_SI', 'Slovenščina'),
            ]
        elif method == 'db_exist':
            try:
                database = Database(*args, **kwargs).connect()
                cursor = database.cursor()
                cursor.close(close=True)
                return True
            except Exception:
                return False
        elif method == 'list':
            if not config.getboolean('database', 'list'):
                raise Exception('AccessDenied')
            with Transaction().start(None, 0, close=True) as transaction:
                return transaction.database.list(transaction.cursor)
        elif method == 'create':
            return create(*args, **kwargs)
        elif method == 'restore':
            return restore(*args, **kwargs)
        elif method == 'drop':
            return drop(*args, **kwargs)
        elif method == 'dump':
            return dump(*args, **kwargs)
        return
    elif object_type == 'system':
        database = Database(database_name).connect()
        database_list = Pool.database_list()
        pool = Pool(database_name)
        if database_name not in database_list:
            pool.init()
        if method == 'listMethods':
            res = []
            for type in ('model', 'wizard', 'report'):
                for object_name, obj in pool.iterobject(type=type):
                    for method in obj.__rpc__:
                        res.append(type + '.' + object_name + '.' + method)
            return res
        elif method == 'methodSignature':
            return 'signatures not supported'
        elif method == 'methodHelp':
            res = []
            args_list = args[0].split('.')
            object_type = args_list[0]
            object_name = '.'.join(args_list[1:-1])
            method = args_list[-1]
            obj = pool.get(object_name, type=object_type)
            return pydoc.getdoc(getattr(obj, method))

    for count in range(config.getint('database', 'retry'), -1, -1):
        try:
            user = security.check(database_name, user, session)
        except DatabaseOperationalError:
            if count:
#.........这里部分代码省略.........