How to use del_br method in autotest

Best Python code snippet using autotest_python

BridgeController.py

Source:BridgeController.py

...45    def del_port(self, port_name):46        pass4748    @abstractmethod49    def del_br(self):50        pass5152    @property53    @abstractmethod54    def brctlexe(self,):55        pass565758class OvsBridge(BridgeABC):59    brctlexe = spawn.find_executable("ovs-vsctl")6061    def __init__(self, name, ip_addr, prefix_len, sdn_ctrl_cfg=dict()):62        """ Initialize a bridge object. """63        super(OvsBridge, self).__init__(name, ip_addr, prefix_len)64        ipoplib.runshell_su([OvsBridge.brctlexe,65                             "--may-exist", "add-br", self.name])6667        '''net = "{0}/{1}".format(ip_addr, prefix_len)6869        p = ipoplib.runshell_su([IPEXE, "addr", "show", self.name])70        ip_addr_info = p.stdout.decode()71        if net not in ip_addr_info:72            ipoplib.runshell_su([IPEXE, "addr", "add", net, "dev", self.name])7374        self.stp(False)75        ipoplib.runshell_su([IPEXE, "link", "set", "dev", self.name, "up"])'''7677        self.add_sdn_ctrl(sdn_ctrl_cfg)7879    def add_sdn_ctrl(self, sdn_ctrl_cfg):80        if sdn_ctrl_cfg:81            if sdn_ctrl_cfg["ConnectionType"] == "tcp":82                ctrl_conn_str = ":".join([sdn_ctrl_cfg["ConnectionType"],83                                         sdn_ctrl_cfg["HostName"],84                                         sdn_ctrl_cfg["Port"]])8586                ipoplib.runshell_su([OvsBridge.brctlexe,87                                     "set-controller",88                                     self.name,89                                     ctrl_conn_str])9091    def del_sdn_ctrl(self):92        ipoplib.runshell_su([OvsBridge.brctlexe, "del-controller", self.name])9394    def del_br(self):95        self.del_sdn_ctrl()9697        ipoplib.runshell_su([OvsBridge.brctlexe,98                             "--if-exists", "del-br", self.name])99100    def add_port(self, port_name):101        ipoplib.runshell_su([OvsBridge.brctlexe,102                             "--may-exist", "add-port", self.name, port_name])103104    def del_port(self, port_name):105        ipoplib.runshell_su([OvsBridge.brctlexe,106                             "--if-exists", "del-port", self.name, port_name])107108    def stp(self, enable):109        if enable:110            ipoplib.runshell_su([OvsBridge.brctlexe,111                                 "set", "bridge", self.name,112                                 "stp_enable=true"])113        else:114            ipoplib.runshell_su([OvsBridge.brctlexe,115                                 "set", "bridge", self.name,116                                 "stp_enable=false"])117118119class LinuxBridge(BridgeABC):120    brctlexe = spawn.find_executable("brctl")121122    def __init__(self, name, ip_addr, prefix_len, *args, **kwargs):123        """ Initialize a bridge object. """124125        super(LinuxBridge, self).__init__(name, ip_addr, prefix_len)126127        p = ipoplib.runshell_su([LinuxBridge.brctlexe, 'show'])128        wlist = map(str.split, p.stdout.decode("utf-8").splitlines()[1:])129        brwlist = filter(lambda x: len(x) != 1, wlist)130        brlist = map(lambda x: x[0], brwlist)131        for br in brlist:132            print(br)133            if br == name:134                print("deleting {}".format(br))135                self.del_br()136137        ipoplib.runshell_su([LinuxBridge.brctlexe, "addbr", self.name])138        net = "{0}/{1}".format(ip_addr, prefix_len)139        ipoplib.runshell_su([IPEXE, "addr", "add", net, "dev", name])140        self.stp(False)141        ipoplib.runshell_su([IPEXE, "link", "set", "dev", name, "up"])142143    def __str__(self):144        """ Return a string of the bridge name. """145        return self.name146147    def __repr__(self):148        """ Return a representaion of a bridge object. """149        return "<Bridge: %s>" % self.name150151    def del_br(self):152        """ Set the device down and delete the bridge. """153        ipoplib.runshell_su([IPEXE, "link", "set", "dev", self.name, "down"])154        ipoplib.runshell_su([LinuxBridge.brctlexe, "delbr", self.name])155156    def add_port(self, port):157        ipoplib.runshell_su([LinuxBridge.brctlexe, "addif", self.name, port])158159    def del_port(self, port):160        ipoplib.runshell_su([LinuxBridge.brctlexe, "delif", self.name, port])161162    def stp(self, val=True):163        """ Turn STP protocol on/off. """164165        if val:166            state = "on"167        else:168            state = "off"169        ipoplib.runshell_su([LinuxBridge.brctlexe, "stp", self.name, state])170171    def set_bridge_prio(self, prio):172        """ Set bridge priority value. """173        ipoplib.runshell_su([LinuxBridge.brctlexe,174                             "setbridgeprio", self.name, str(prio)])175176    def set_path_cost(self, port, cost):177        """ Set port path cost value for STP protocol. """178        ipoplib.runshell_su([LinuxBridge.brctlexe,179                             "setpathcost", self.name, port, str(cost)])180181    def set_port_prio(self, port, prio):182        """ Set port priority value. """183        ipoplib.runshell_su([LinuxBridge.brctlexe,184                             "setportprio", self.name, port, str(prio)])185186187class BridgeController(ControllerModule):188    def __init__(self, cfx_handle, module_config,189                 module_name, *args, **kwargs):190        super(BridgeController, self).__init__(cfx_handle, module_config,191                                               module_name)192        self._overlays = dict()193        self._lock = threading.Lock()194195    def initialize(self):196        for olid in self._cm_config["Overlays"]:197            br_cfg = self._cm_config["Overlays"][olid]198199            if self._cm_config["Overlays"][olid]["Type"] == "LXBR":200                self._overlays[olid] = LinuxBridge(br_cfg["BridgeName"],201                                                   br_cfg["IP4"],202                                                   br_cfg["PrefixLen"])203            elif self._cm_config["Overlays"][olid]["Type"] == "OVS":204                self._overlays[olid] = \205                        OvsBridge(br_cfg["BridgeName"],206                                  br_cfg["IP4"],207                                  br_cfg["PrefixLen"],208                                  sdn_ctrl_cfg=br_cfg.get("SDNController",209                                                          dict()))210            self.register_cbt("LinkManager", "LNK_ADD_IGN_INF", br_cfg["BridgeName"])211212        self._cfx_handle.start_subscription("LinkManager", "LNK_DATA_UPDATES")213        self.register_cbt("Logger", "LOG_INFO", "Module Loaded")214215    def req_handler_add_port(self, cbt):216        pass217218    def req_handler_del_port(self, cbt):219        pass220221    def req_handler_manage_bridge(self, cbt):222        try:223            olid = cbt.request.params["OverlayId"]224            port_name = cbt.request.params["TapName"]225            br = self._overlays[olid]226            if cbt.request.params["UpdateType"] == "ADDED":227                br.add_port(port_name)228                self.register_cbt(229                    "Logger", "LOG_INFO", "Port {0} added to bridge {1}"230                    .format(port_name, str(br)))231            elif cbt.request.params["UpdateType"] == "REMOVED":232                br.del_port(port_name)233                self.register_cbt(234                    "Logger", "LOG_INFO", "Port {0} removed from bridge {1}"235                    .format(port_name, str(br)))236        except RuntimeError as err:237            self.register_cbt("Logger", "LOG_WARNING", str(err))238        cbt.set_response(None, True)239        self.complete_cbt(cbt)240241    def resp_handler_(self, cbt):242        pass243244    def process_cbt(self, cbt):245        if cbt.op_type == "Request":246            if cbt.request.action == "BRG_ADD_PORT":247                self.req_handler_add_port(cbt)248            if cbt.request.action == "BRG_DEL_PORT":249                self.req_handler_del_port(cbt)250            if cbt.request.action == "LNK_DATA_UPDATES":251                self.req_handler_manage_bridge(cbt)252            else:253                self.req_handler_default(cbt)254        elif cbt.op_type == "Response":255            if cbt.request.action == "TOP_QUERY_PEER_IDS":256                self.resp_handler_query_peers(cbt)257            else:258                parent_cbt = self.get_parent_cbt(cbt)259                cbt_data = cbt.response.data260                cbt_status = cbt.response.status261                self.free_cbt(cbt)262                if (parent_cbt is not None and parent_cbt.child_count == 1):263                    parent_cbt.set_response(cbt_data, cbt_status)264                    self.complete_cbt(parent_cbt)265266    def timer_method(self):267        pass268269    def terminate(self):270        for olid in self._overlays:
...

test_impl_idl.py

Source:test_impl_idl.py

...25        super(TestOvsdbIdl, self).setUp()26        self.api = impl_idl.OvsdbIdl(ovsdb_connection)27        self.brname = utils.get_rand_device_name()28        # Destroying the bridge cleans up most things created by tests29        cleanup_cmd = self.api.del_br(self.brname)30        self.addCleanup(cleanup_cmd.execute)31    def test_br_exists_false(self):32        exists = self.api.br_exists(self.brname).execute(check_error=True)33        self.assertFalse(exists)34    def test_add_br_may_exist(self):35        self.api.add_br(self.brname).execute(check_error=True)36        with self.api.transaction(check_error=True) as txn:37            txn.add(self.api.add_br(self.brname, datapath_type="netdev"))38            exists = txn.add(self.api.br_exists(self.brname))39            dpt = txn.add(self.api.db_get("Bridge", self.brname,40                                          "datapath_type"))41        self.assertTrue(exists)42        self.assertEqual("netdev", dpt.result)43    def test_add_br_may_not_exist(self):44        self.api.add_br(self.brname).execute(check_error=True)45        cmd = self.api.add_br(self.brname, may_exist=False)46        self.assertRaises(RuntimeError, cmd.execute, check_error=True)47    def test_del_br_if_exists_false(self):48        cmd = self.api.del_br(self.brname, if_exists=False)49        self.assertRaises(RuntimeError, cmd.execute, check_error=True)50    def test_del_br_if_exists_true(self):51        self.api.del_br(self.brname).execute(check_error=True)52    def test_del_br(self):53        self.api.add_br(self.brname).execute(check_error=True)54        self.api.del_br(self.brname).execute(check_error=True)55        exists = self.api.br_exists(self.brname).execute(check_error=True)56        self.assertFalse(exists)57    def _test_add_port(self):58        pname = utils.get_rand_device_name()59        with self.api.transaction(check_error=True) as txn:60            txn.add(self.api.add_br(self.brname))61            txn.add(self.api.add_port(self.brname, pname))62        return pname63    def test_add_port(self):64        pname = self._test_add_port()65        plist_cmd = self.api.list_ports(self.brname)66        ports = plist_cmd.execute(check_error=True)67        self.assertIn(pname, ports)68    def test_add_port_may_exist_false(self):...

train_rnn.py

Source:train_rnn.py

1import numpy as np2import pickle3import math4from collections import defaultdict5def softmax(x):6    # https://stackoverflow.com/questions/34968722/softmax-function-python7    """Compute softmax values for each sets of scores in x."""8    return np.exp(x) / np.sum(np.exp(x), axis=0)9def create_one_hot(id_target, size):10    vec = np.zeros(size)11    vec[id_target] = 112    return vec13def create_ids(filename):14    x_ids = defaultdict(lambda: len(x_ids))15    y_ids = defaultdict(lambda: len(y_ids))16    for line in open(filename):17        wordtags = line.strip("\n").split(" ")18        for wordtag in wordtags:19            word, tag = wordtag.split("_")20            x_ids[word]21            y_ids[tag]22    return x_ids, y_ids23def create_feature_labels(filename, x_ids, y_ids):24    feature_labels = []25    for line in open(filename):26        wordtags = line.strip("\n").split(" ")27        x_list = []28        y_list = []29        for wordtag in wordtags:30            word, tag = wordtag.split("_")31            X = create_one_hot(x_ids[word],len(x_ids))32            x_list.append(X)33            Y = create_one_hot(y_ids[tag],len(y_ids))34            y_list.append(Y)35        feature_labels.append((x_list,y_list))36    return feature_labels37def find_max(p):38    y = 039    for i in range(len(p)):40        if p[i] > p[y]:41            y = i42    return y43def forward_rnn(wRx,wRh,br,wOh,bo,x):44    h = [0] * len(x) # hidden layers at time45    p = [0] * len(x) # output prob at time t46    y = [0] * len(x) # output value at time t47    for t in range(len(x)):48        if t > 0:49            h[t] = np.tanh(wRx.dot(x[t]) + wRh.dot(h[t-1]) + br)50        else:51            h[t] = np.tanh(wRx.dot(x[t]) + br)52        p[t] = softmax(wOh.dot(h[t]) + bo)53        #y[t] = np.argmax(p[t])54        y[t] = find_max(p[t])55    return h, p, y56def gradient_rnn(wRx,wRh,br,wOh,bo,x,h,p,y_):57    del_wRx = [0]58    del_wRh = [0]59    del_br = [0]60    del_wOh = [0]61    del_bo = [0] # initialize62    phiR_ = np.zeros(len(br)) #  Error from the following time step63    for t in range(len(x)):64        phi0_ = p[t] - y_[t]# Output error65        del_wOh += np.outer(phi0_,h[t])66        phiR = np.dot(phiR_,wRh) + np.dot(phi0_,wOh) # Backprop67        phiR_ = phiR * (1- pow(h[t],2)) # tanh gradient68        del_wRx += np.outer(phiR_,x[t])69        del_bo += phi0_ # Îb0 += Î´0' Output gradient70        del_br += phiR_ # Îbr += Î´r' Hidden gradient71        if t != 0:72            del_wRh += np.outer(phiR_,h[t-1])73    return del_wRx, del_wRh, del_br, del_wOh, del_bo74def update_weights(wRx,wRh,br,wOh,bo,del_wRx,del_wRh,del_br,del_wOh,del_bo,lamb):75    wRx += lamb * del_wRx76    wRh += lamb * del_wRh77    br += lamb * del_br78    wOh += lamb * del_wOh79    bo += lamb * del_bo80    return wRx,wRh,br,wOh,bo81if __name__ == "__main__":82    #file = "../test/05-train-input.txt"83    file = "../data/wiki-en-train.norm_pos"84    x_ids, y_ids = create_ids(file)85    feature_labels = create_feature_labels(file,x_ids,y_ids)86    wRx = (np.random.rand(2, len(x_ids)) - 0.5)/5 # (2,vocab)87    wOh =(np.random.rand(len(y_ids), 2) - 0.5) /5 # (pos_type,2)88    wRh = (np.random.rand(2,2) - 0.5) /5 #(2,2)89    bo = np.zeros(len(y_ids))90    br = np.zeros(2)91    epoch = 392    lamb = 0.01593    for _ in range(epoch):94        for x, y_correct in feature_labels:95            h,p,y_predict = forward_rnn(wRx,wRh,br,wOh,bo,x)96            #print(y_predict)97            del_wRx, del_wRh, del_br, del_wOh, del_bo = gradient_rnn(wRx,wRh,br,wOh,bo,x,h,p,y_correct)98            wRx,wRh,br,wOh,bo, = update_weights(wRx,wRh,br,wOh,bo,del_wRx,del_wRh,del_br,del_wOh,del_bo,lamb)99    net = (wRx,wRh,br,wOh,bo)100    pickle.dump(net, open("net.pickle", "wb" ) )101    with open("x_ids.txt","w") as output:102        for k,v in x_ids.items():103            print("{}\t{}".format(k,v), file=output)104    with open("y_ids.txt","w") as output:105        for k,v in y_ids.items():...

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