def test_emit_return():
ee = EventEmitter()
# make sure emission without callback retruns False
nt.assert_false(ee.emit('data'))
# add a callback
ee.on('data')(lambda: None)
# should return true now
nt.assert_true(ee.emit('data'))
def __init__(self, endpoint=None, id=None, secret=None,
debug=False, bot=SputnikSession, ca_certs_dir="/etc/ssl/certs", **kwargs):
EventEmitter.__init__(self)
self.debug = debug
self.session_factory = BotFactory(username=id,
password=secret,
**kwargs)
self.session_factory.on("connect", self.onConnect)
self.session_factory.on("disconnect", self.onDisconnect)
self.session_factory.on("join", self.onJoin)
self.session_factory.session = bot
self.base_uri = endpoint
from urlparse import urlparse
parse = urlparse(endpoint)
if parse.scheme == 'wss':
if parse.port is None:
port = 8443
else:
port = parse.port
self.connection_string = "ssl:host=%s:port=%d:caCertsDir=%s" % (parse.hostname, port, ca_certs_dir)
elif parse.scheme == 'ws':
if parse.port is None:
port = 8880
else:
port = parse.port
self.connection_string = "tcp:%s:%d" % (parse.hostname, port)
else:
raise NotImplementedError
self.session = None
self.transport_factory = websocket.WampWebSocketClientFactory(self.session_factory,
url = self.base_uri, debug=self.debug,
debug_wamp=self.debug)
def __init__(self, **kwargs):
EventEmitter.__init__(self)
for key, value in kwargs.iteritems():
setattr(self, key, value)
component_config = types.ComponentConfig(realm = u"sputnik")
wamp.ApplicationSessionFactory.__init__(self, config=component_config)
class PendingPacket():
def __init__(self, packet, packet_sender):
print 'Init PendingPacket'
self.ee = EventEmitter()
self._packet_sender = packet_sender
self._packet = packet
def send(self):
def packet_send():
self._packetSender.send(self._packet)
self._intervalID = helpers.set_interval(
packet_send,
constants.TIMEOUT
)
self._packet_sender.send(self._packet)
def get_sequence_number(self):
return self._packet.get_sequence_number()
def acknowledge(self):
self._intervalID.cancel()
self.ee.emit('acknowledge')
def __init__(self, address):
EventEmitter.__init__(self)
threading.Thread.__init__(self)
self.sp = serial.Serial(address, timeout=1)
self.alive = True
self.lock = threading.Lock()
def __init__(self, url, debug=False):
WebSocketClient.__init__(self, url)
EventEmitter.__init__(self)
self.debug = debug
self._session = None
self._uniq_id = 0
self._callbacks = {}
def test_asyncio_error():
"""Test that event_emitters can handle errors when wrapping coroutines as
used with asyncio.
"""
loop = new_event_loop()
ee = EventEmitter(loop=loop)
should_call = Future(loop=loop)
@ee.on('event')
async def event_handler():
raise PyeeTestError()
@ee.on('error')
def handle_error(exc):
should_call.set_result(exc)
async def create_timeout(loop=loop):
await sleep(0.1, loop=loop)
if not should_call.done():
raise Exception('should_call timed out!')
return should_call.cancel()
timeout = create_timeout(loop=loop)
@should_call.add_done_callback
def _done(result):
assert isinstance(result, PyeeTestError)
ee.emit('event')
loop.run_until_complete(gather(should_call, timeout, loop=loop))
loop.close()
class Runner(object):
def __init__(self, client, make_request):
self.client = client
self.make_request = make_request
self._pending = []
self.events = EventEmitter()
def _on_request_finished(self, _):
"""
Start the next waiting request if possible.
"""
if len(self.client.active) < self.client.max_clients:
self._start_request()
def _start_request(self):
"""
Start a request and add callbacks to its future.
Most notably, the completion of the requests's future will also trigger
the completion of a future we had prepared earlier.
"""
request = self.make_request(streaming_callback=lambda c: None)
future = concurrent.Future()
self.events.emit("request_ready", future, request)
self.client.fetch(request, callback=future.set_result)
self.events.emit("request_started", future)
self._pending.append(future)
future.add_done_callback(lambda f: self.events.emit("request_finished", f))
future.add_done_callback(self._pending.remove)
future.add_done_callback(self._on_request_finished)
def __init__(self, url, debug=False):
self.debug = debug
# by default socket connections don't timeout. this causes issues
# where reconnects can get stuck
# TODO: make this configurable?
socket.setdefaulttimeout(10)
WebSocketClient.__init__(self, url)
EventEmitter.__init__(self)
def __init__(self, id=None, secret=None, endpoint="https://api.coinsetter.com/v1"):
EventEmitter.__init__(self)
self.username = id
self.password = secret
self.endpoint = endpoint
self.session_id = None
from urllib2 import urlopen
self.ip = json.load(urlopen('http://jsonip.com'))['ip']
def __init__(self, log, clock, script_path, id, app, name, popen=subprocess.Popen):
EventEmitter.__init__(self)
self.log = log
self.clock = clock
self.script_path = script_path
self.app = app
self.name = name
self.runner = None
self._name = "%s-%s-%s" % (id, app, name)
self._popen = popen
class IncomingMessage(object):
def __init__(self, im_id, size):
self.log = logging.getLogger(
'%s' % self.__class__.__name__
)
self.log.debug('New IncomingMessage Created')
self.im_id = im_id
self.size = size
self.ee = EventEmitter()
self.synced = False
self._next_sequence_number = 0
self._sync_sequence_number = None
self._packets = SortedList()
self.body = ''
self.waiting = False
def add_to_body(self, payload):
if payload in self.body:
self.log.debug('This content is already in the body.')
return
else:
self.body += payload
def reset(self):
self.log.debug('IncomingMessage Reset')
self.log.debug('Self Packets: %s', self._packets)
self._packets.clear()
self.synced = False
self._next_sequence_number = 0
self._sync_sequence_number = None
try:
self.log.debug('Downloaded (%s) | Total Size (%s)', len(self.body), self.size)
if len(self.body) >= int(self.size):
self.log.debug('Download Complete')
if len(self.body) > int(self.size):
self.log.debug('Oversized Message')
self.ee.emit('complete', {'body': self.body})
return
else:
# print self._message, self._message_size
self.log.debug('Still downloading...')
self.waiting = True
except Exception as e:
self.log.debug('Problem with resetting IncomingMessage: %s', e)
def __init__(self):
"""Constructor."""
# run the superclass constructor
EventEmitter.__init__(self)
self.type = None
self.control_elements = []
self.data_conditions = []
# sensor_id should be unique
rndnum = random.randint(0, 100000)
self.sensor_id = "sensor" + str(rndnum)
class RegistrationOnlyEmitter(object):
def __init__(self):
self.emitter = EventEmitter()
def on(self, event, f):
if event in ['register_intent', 'register_vocab', 'recognizer_loop:utterance']:
self.emitter.on(event, f)
def emit(self, event, *args, **kwargs):
event_name = event.message_type
self.emitter.emit(event_name, event, *args, **kwargs)
def test_emit_error():
ee = EventEmitter()
with nt.assert_raises(Exception):
ee.emit('error')
@ee.on('error')
def onError():
pass
# No longer raises and error instead return True indicating handled
nt.assert_true(ee.emit('error'))
def __init__(self, clock, container, id, app, name,
image, command, config, port_pool, port):
EventEmitter.__init__(self)
self.clock = clock
self.id = id
self.app = app
self.name = name
self.image = image
self.command = command
self.config = config
self.port_pool = port_pool
self.port = port
self.state = 'init'
self._container = container
class RegistrationOnlyEmitter(object):
def __init__(self):
self.emitter = EventEmitter()
def on(self, event, f):
allow_events_to_execute = True
if allow_events_to_execute:
# don't filter events, just run them all
print "Event: "+str(event)
self.emitter.on(event, f)
else:
# filter to just the registration events,
# preventing them from actually executing
if event in [
'register_intent',
'register_vocab',
'recognizer_loop:utterance'
]:
print "Event: " + str(event)
self.emitter.on(event, f)
def emit(self, event, *args, **kwargs):
event_name = event.type
self.emitter.emit(event_name, event, *args, **kwargs)
def once(self, event, f):
self.emitter.once(event, f)
def remove(self, event_name, func):
pass
def test_shorter_pattern():
"""Tests correct behaviour with shorter patterns"""
ee = EventEmitter()
@ee.on('#')
def event_handler(ev):
raise ItWorkedException
with nt.assert_raises(ItWorkedException) as it_worked:
ee.emit('a/b/c')
with nt.assert_raises(ItWorkedException) as it_worked:
ee.emit('cool')
def __init__(self, url, auto_reconnect=True, auto_reconnect_timeout=0.5, debug=False):
EventEmitter.__init__(self)
self.collection_data = CollectionData()
self.ddp_client = DDPClient(url, auto_reconnect=auto_reconnect,
auto_reconnect_timeout=auto_reconnect_timeout, debug=debug)
self.ddp_client.on('connected', self.connected)
self.ddp_client.on('socket_closed', self.closed)
self.ddp_client.on('failed', self.failed)
self.ddp_client.on('added', self.added)
self.ddp_client.on('changed', self.changed)
self.ddp_client.on('removed', self.removed)
self.ddp_client.on('reconnected', self._reconnected)
self.connected = False
self.subscriptions = {}
self._login_data = None
def __init__(self, url, auto_reconnect=True, auto_reconnect_timeout=0.5, debug=False):
EventEmitter.__init__(self)
self.ddpsocket = None
self._ddp_version_index = 0
self._retry_new_version = False
self._is_closing = False
self._is_reconnecting = False
self.url = url
self.auto_reconnect = auto_reconnect
self.auto_reconnect_timeout = auto_reconnect_timeout
self.debug = debug
self._session = None
self._uniq_id = 0
self._callbacks = {}
self._init_socket()
def test_twisted_emit():
"""Test that event_emitters can handle wrapping coroutines when using
twisted and ensureDeferred.
"""
ee = EventEmitter(scheduler=ensureDeferred)
should_call = Mock()
@ee.on('event')
async def event_handler():
should_call(True)
ee.emit('event')
should_call.assert_called_once()
def __init__(
self, # type: Any
addr, # type: str
port, # type: int
prot=default_protocol, # type: Protocol
out_addr=None, # type: Union[None, Tuple[str, int]]
debug_level=0 # type: int
): # type: (...) -> None
"""Initializes a peer to peer socket
Args:
addr: The address you wish to bind to (ie: "192.168.1.1")
port: The port you wish to bind to (ie: 44565)
prot: The protocol you wish to operate over, defined by a
:py:class:`py2p.base.Protocol` object
out_addr: Your outward facing address. Only needed if you're
connecting over the internet. If you use '0.0.0.0'
for the addr argument, this will automatically be
set to your LAN address.
debug_level: The verbosity you want this socket to use when
printing event data
Raises:
socket.error: The address you wanted could not be bound, or is
otherwise used
"""
object.__init__(self)
EventEmitter.__init__(self)
self.protocol = prot
self.debug_level = debug_level
self.routing_table = {} # type: Dict[bytes, BaseConnection]
# In format {ID: handler}
self.awaiting_ids = [] # type: List[BaseConnection]
# Connected, but not handshook yet
if out_addr: # Outward facing address, if you're port forwarding
self.out_addr = out_addr
elif addr == '0.0.0.0':
self.out_addr = get_lan_ip(), port
else:
self.out_addr = addr, port
info = (str(self.out_addr).encode(), prot.id.encode(), user_salt)
h = sha384(b''.join(info))
self.id = b58encode_int(int(h.hexdigest(), 16)).encode() # type: bytes
self._logger = getLogger('{}.{}.{}'.format(
self.__class__.__module__, self.__class__.__name__, self.id))
self.__handlers = [
] # type: List[Callable[[Message, BaseConnection], Union[bool, None]]]
self.__closed = False
def __init__(self, packet_sender):
# TODO: have this be a DuplexStream instead of an EventEmitter.
# TODO: the Receiver should never send raw packets to the end host. It should
# only be acknowledgement packets. Please see [1]
self.ee = EventEmitter()
self.incoming_messages = {}
self._synced = False
self._next_sequence_number = 0
self._sync_sequence_number = None
self._packets = SortedList()
self._packet_sender = packet_sender
self._closed = False
self._message = ''
self._message_id = None
self._fullmessage = ''
self._message_size = 0
self._waiting = False
self.log = logging.getLogger(
'%s' % self.__class__.__name__
)
self.log.debug('Init Receiver')
def __init__(self, url, auto_reconnect=True, auto_reconnect_timeout=0.5, debug=False, headers=None):
EventEmitter.__init__(self)
self.ddpsocket = None
self._ddp_version_index = 0
self._retry_new_version = False
self._is_closing = False
self._is_reconnecting = False
self.url = url
self.auto_reconnect = auto_reconnect
self.auto_reconnect_timeout = auto_reconnect_timeout
self.debug = debug
self.headers = [('Host', self._get_domain_from_url(self.url))].append(headers)
self._session = None
self._uniq_id = 0
self._callbacks = {}
self._init_socket()
def __init__(self, packet, packet_sender):
print 'Init PendingPacket'
self.ee = EventEmitter()
self._packet_sender = packet_sender
self._packet = packet
def test_longer_pattern():
"""Tests correct behaviour with longer patterns"""
ee = EventEmitter()
@ee.on('a/b/#')
def event_handler(ev):
raise ItWorkedException
ee.emit('c')
@ee.on('+/a/b')
def event_handler(ev):
raise ItWorkedException('c and #/a/b')
ee.emit('c')
def __init__(self,
device=None,
pin_a0=False,
pin_a1=False,
pin_a2=False,
channel=microchip_pot_channel.NONE,
non_vol_mode=microchip_pot_non_volatile_mode.
VOLATILE_AND_NON_VOLATILE,
init_non_vol_wiper_val=0):
"""Initialize a new instance of MicrochipPotentiometer.
:param raspy.io.i2c.i2c_interface.I2CInterface device: The I2C bus
device this instance is connected to.
:param bool pin_a0: Set True if device's address pin A0 is high.
:param bool pin_a1: Set True if device's address pin A1 is high.
:param bool pin_a2: Set True if device's address pin A2 is high.
:param int channel: The potentiometer channel.
:param int non_vol_mode: The non-volatility mode.
:param int init_non_vol_wiper_val: The initial value to set.
:raises: raspy.argument_null_exception.ArgumentNullException if
'device' param is None.
:raises: raspy.illegal_argument_exception.IllegalArgumentException if
the specified channel is not supported by the device.
:raises: raspy.io.io_exception.IOException if unable to open the
I2C bus.
"""
Potentiometer.__init__(self)
if device is None:
msg = "Param 'device' cannot be None."
raise ArgumentNullException(msg)
if not self.is_channel_supported(channel):
msg = "Specified channel not supported by device."
raise IllegalArgumentException(msg)
self.__emitter = EventEmitter()
self.__channel = channel
self.__currentValue = 0
self.__nonVolMode = non_vol_mode
device_addr = MicrochipPotentiometer._build_i2c_address(
pin_a0, pin_a1, pin_a2)
self.__controller = mcp_device_controller.MCPDeviceController(
device, device_addr)
self.__emitter.on(
EVENT_WIPER_ACTION,
lambda wiper_evt: self._on_wiper_action_event(wiper_evt))
self._initialize(init_non_vol_wiper_val)
def __init__(self, ctx, **kwargs):
self.ctx = ctx
self.is_running = False
# Provide an interface for event subscribers
self.emitter = EventEmitter()
# Prepare OSC message dispatcher and UDP server
self.address = kwargs.get('osc_address', OSC_ADDRESS)
self.port = kwargs.get('osc_port', OSC_PORT)
bind = (self.address, self.port)
disp = dispatcher.Dispatcher()
disp.map('/leasebot/*', self._on_param)
self._server = osc_server.ThreadingOSCUDPServer(bind, disp)
async def test_asyncio_once_emit(event_loop):
"""Test that event_emitters also wrap coroutines when using once
"""
ee = EventEmitter(loop=event_loop)
should_call = Future(loop=event_loop)
@ee.once('event')
async def event_handler():
should_call.set_result(True)
ee.emit('event')
result = await wait_for(should_call, 0.1)
assert result == True
def __init__(self, im_id, size):
self.log = logging.getLogger('%s' % self.__class__.__name__)
self.log.debug('New IncomingMessage Created')
self.im_id = im_id
self.size = size
self.ee = EventEmitter()
self.synced = False
self._next_sequence_number = 0
self._sync_sequence_number = None
self._packets = SortedList()
self.body = ''
self.waiting = False
def __init__(self, packets):
self.log = logging.getLogger("%s" % self.__class__.__name__)
self.log.info("Init Window")
self.event_emitter = EventEmitter()
self._packets = packets
self._acknowledged = []
def test_pattern_matching():
"""Test that patterns are correctly interpreted"""
ee = EventEmitter()
assert ee._matches('#', 'a/b/c')
assert ee._matches('+/b/c', 'a/b/c')
assert ee._matches('a/#', 'a/b/c')
assert not ee._matches('a/#', 'c/a/b/c')
with nt.assert_raises(PatternException) as e:
ee._matches('#/b/c', 'c')
assert not ee._matches('a/+/d/e', 'a/b/c/d/e')
def __init__(self,
source=None,
volume=None,
aggressiveness=None,
model_dir=None,
lang=None,
config=CONFIG):
EventEmitter.__init__(self)
self.config = config
# ensure default values
for k in CONFIG["listener"]:
if k not in self.config["listener"]:
self.config["listener"][k] = CONFIG["listener"][k]
volume = volume or self.config["listener"]["default_volume"]
aggressiveness = aggressiveness or self.config["listener"][
"default_aggressiveness"]
model_dir = model_dir or self.config["listener"]["default_model_dir"]
self.lang = lang or self.config["lang"]
if "-" in self.lang:
self.lang = self.lang.split("-")[0]
if "{lang}" in model_dir:
model_dir = model_dir.format(lang=self.lang)
if not isdir(model_dir):
if model_dir in self._default_models:
logging.error(
"you need to install the package: "
"kaldi-chain-zamia-speech-{lang}".format(lang=self.lang))
raise ModelNotFound
self.rec = PulseRecorder(source_name=source, volume=volume)
self.vad = VAD(aggressiveness=aggressiveness)
logging.info("Loading model from %s ..." % model_dir)
self.asr = ASR(engine=ASR_ENGINE_NNET3,
model_dir=model_dir,
kaldi_beam=self.config["listener"]["default_beam"],
kaldi_acoustic_scale=self.config["listener"]
["default_acoustic_scale"],
kaldi_frame_subsampling_factor=self.config["listener"]
["default_frame_subsampling_factor"])
self._hotwords = dict(self.config["hotwords"])
class Server:
def __init__(self, ctx, **kwargs):
self.ctx = ctx
self.is_running = False
# Provide an interface for event subscribers
self.emitter = EventEmitter()
# Prepare OSC message dispatcher and UDP server
self.address = kwargs.get('osc_address', OSC_ADDRESS)
self.port = kwargs.get('osc_port', OSC_PORT)
bind = (self.address, self.port)
disp = dispatcher.Dispatcher()
disp.map('/leasebot/*', self._on_param)
self._server = osc_server.ThreadingOSCUDPServer(bind, disp)
def start(self):
thread = threading.Thread(target=self._start_server)
thread.daemon = True
thread.start()
self.is_running = True
def stop(self):
self._server.shutdown()
self.is_running = False
def _start_server(self):
self.ctx.log('OSC server @ {}:{}'.format(self.address, self.port))
self._server.serve_forever()
def _on_param(self, address, *args):
param = address.replace('/leasebot/', '')
# Commands with no arguments
if param == 'reset':
self.emitter.emit('reset')
return
# We expect one float argument from now on
if not len(args) == 1 or type(args[0]) is not float:
return
if param in ['temperature'] and 0 <= args[0] <= 1:
self.emitter.emit('param', param, args[0])
if param in ['interval'] and 0 <= args[0] <= 5:
self.emitter.emit('param', param, args[0])
if param in ['volume']:
self.emitter.emit('param', param, args[0])
def __init__(self, host=None, port=None, route=None, ssl=None):
config = Configuration.get().get("websocket")
host = host or config.get("host")
port = port or config.get("port")
route = route or config.get("route")
ssl = ssl or config.get("ssl")
validate_param(host, "websocket.host")
validate_param(port, "websocket.port")
validate_param(route, "websocket.route")
self.url = WebsocketClient.build_url(host, port, route, ssl)
self.emitter = EventEmitter()
self.client = self.create_client()
self.pool = ThreadPool(10)
self.retry = 5
self.connected_event = Event()
self.started_running = False
async def test_asyncio_emit(event_loop):
"""Test that event_emitters can handle wrapping coroutines as used with
asyncio.
"""
ee = EventEmitter(loop=event_loop)
should_call = Future(loop=event_loop)
@ee.on('event')
async def event_handler():
should_call.set_result(True)
ee.emit('event')
result = await wait_for(should_call, 0.1)
assert result == True
def __init__(self, username, password, **kwargs):
if not username:
raise UsernameMustExist('options.username must exist and may not be null')
if not password:
raise PasswordMustExist('options.password must exist and may not be null')
self.user = SelfUser(username, password)
self.ready = False
self.servers = {}
self._ws = None
self.event = EventEmitter()
self.message_cache = OrderedDict()
self.cache_size = kwargs.get('cache_size')
self.loop = kwargs.get('loop')
if self.loop is None:
self.loop = asyncio.get_event_loop()
self.api = aiohttp.ClientSession(loop=self.loop)
if self.cache_size is None or self.cache_size < 100:
self.cache_size = 500
def test_emit_error():
"""Errors raise with no event handler, otherwise emit on handler"""
call_me = Mock()
ee = EventEmitter()
test_exception = PyeeTestException('lololol')
with raises(PyeeTestException) as exc_info:
ee.emit('error', test_exception)
@ee.on('error')
def on_error(exc):
call_me()
# No longer raises and error instead return True indicating handled
assert ee.emit('error', test_exception)
call_me.assert_called_once()
def __init__(self,
symbol='BTC-USD',
channels=[],
shouldAuth=False,
max_table_length=constants.MAX_TABLE_LEN,
websocket=None):
EventEmitter.__init__(self)
self.channels = channels
if max_table_length > 0:
self.max_table_length = max_table_length
else:
self.max_table_length = constants.MAX_TABLE_LEN
self.shouldAuth = shouldAuth
self.symbol = symbol
self.websocket = websocket
self.data = {
'orderBookL2': [],
'instrument': []
}
channels = self.channels
symbol = self.symbol
shouldAuth = self.shouldAuth
websocket = self.websocket
self.websocket = GdaxWebsocket()
self.websocket.connect(
shouldAuth=shouldAuth,
websocket=websocket
)
self.websocket.on('subscribe', self.on_subscribe)
self.websocket.on('latency', self.on_latency)
self.channels = []
self.subscribe_to_channels(channels)
self.subscribe_to_instrument_channels(symbol, channels)
self.secureChannels = []
if shouldAuth:
self.subscribe_to_secure_instrument_channels(symbol, channels)
class PendingPacket(object):
def __init__(self, packet, packet_sender):
self.loop = ioloop.IOLoop.current()
self.event_emitter = EventEmitter()
self._packet_sender = packet_sender
self._packet = packet
self._interval_id = None
self._sending = False
self._sending_count = 0
self.log = logging.getLogger(
'%s' % self.__class__.__name__
)
self.log.info('Init PendingPacket')
def send(self):
self._sending = True
self.log.debug('Sending Packet #%s: %s', self._packet.get_sequence_number(), self._sending)
self._packet_sender.send(self._packet)
# self._interval_id = rudp.helpers.set_interval(
# packet_send,
# rudp.constants.TIMEOUT
# )
# self.log.debug('Packet %s sent %d times', self._packet.get_sequence_number(), self._sending_count)
def get_sequence_number(self):
return self._packet.get_sequence_number()
def acknowledge(self):
self.log.debug('Pending Packet Acknowledged: %s', self._packet.get_sequence_number())
self._sending = None
if self._interval_id:
self._interval_id.cancel()
self._interval_id = None
self.event_emitter.emit('acknowledge')
def __init__(self,
host,
logLevel='INFO',
loop=None,
max_retries=5,
create_event_emitter=_start_event_worker):
self.host = host
self.logger = CustomLogger('BfxWebsocket', logLevel=logLevel)
self.loop = loop or asyncio.get_event_loop()
# overide 'error' event to stop it raising an exception
# self.events.on('error', self.on_error)
self.ws = None
self.max_retries = max_retries
self.attempt_retry = True
self.sockets = {}
# start seperate process for the even emitter
eventLoop = create_event_emitter()
self.events = EventEmitter(scheduler=asyncio.ensure_future,
loop=eventLoop)
def __init__(self, packet_sender):
self.log = logging.getLogger('%s' % self.__class__.__name__)
self.log.info('Init Sender')
self._packet_sender = packet_sender
self._windows = []
self._sending = None
self._last_sent = 0
self.event_emitter = EventEmitter()
def __init__(self, packet_sender):
print 'Init Receiver'
# TODO: have this be a DuplexStream instead of an EventEmitter.
# TODO: the Receiver should never send raw packets to the end host. It should
# only be acknowledgement packets. Please see [1]
self.ee = EventEmitter()
self._synced = False
self._next_sequence_number = 0
def sort_by_sequence(packet_a, packet_b):
return packet_a.get_sequence_number(
) - packet_b.get_sequence_number()
self._packets = LinkedList(sort_by_sequence)
self._packet_sender = packet_sender
self._closed = False
class PendingPacket(object):
def __init__(self, packet, packet_sender):
self.loop = ioloop.IOLoop.current()
self.event_emitter = EventEmitter()
self._packet_sender = packet_sender
self._packet = packet
self._interval_id = None
self._sending = False
self._sending_count = 0
self.log = logging.getLogger('%s' % self.__class__.__name__)
self.log.info('Init PendingPacket')
def send(self):
self._sending = True
self.log.debug('Sending Packet #%s: %s',
self._packet.get_sequence_number(), self._sending)
self._packet_sender.send(self._packet)
# self._interval_id = rudp.helpers.set_interval(
# packet_send,
# rudp.constants.TIMEOUT
# )
# self.log.debug('Packet %s sent %d times', self._packet.get_sequence_number(), self._sending_count)
def get_sequence_number(self):
return self._packet.get_sequence_number()
def acknowledge(self):
self.log.debug('Pending Packet Acknowledged: %s',
self._packet.get_sequence_number())
self._sending = None
if self._interval_id:
self._interval_id.cancel()
self._interval_id = None
self.event_emitter.emit('acknowledge')
def __init__(self, topic, event_emitter=EventEmitter()):
# self.graph = facebook.GraphAPI(Config.PAGE_ACCESS_TOKEN)
logging.debug("initializing video Service!")
event_emitter.on(topic, self.act)
self.stream_url = ''
self.proc = None
logging.debug("creating cam file..")
subprocess.Popen(shlex.split("modprobe bcm2835-v4l2"),
stdout=subprocess.PIPE)
def __init__(self,
url,
auto_reconnect=True,
auto_reconnect_timeout=0.5,
debug=False):
EventEmitter.__init__(self)
self.ddpsocket = None
self._ddp_version_index = 0
self._retry_new_version = False
self._is_closing = False
self._is_reconnecting = False
self.url = url
self.auto_reconnect = auto_reconnect
self.auto_reconnect_timeout = auto_reconnect_timeout
self.debug = debug
self._session = None
self._uniq_id = 0
self._callbacks = {}
self._init_socket()
def __init__(self, initial_value, value_forwarder=None):
"""
Initialize the object.
initial_value -- the initial value
value_forwarder -- the method that updates the actual value on the
thing
"""
EventEmitter.__init__(self)
self.last_value = initial_value
if value_forwarder is None:
def fn(_):
raise AttributeError('Read-only value')
self.value_forwarder = fn
else:
self.value_forwarder = value_forwarder
def test_twisted_error():
"""Test that event_emitters can handle wrapping coroutines when using
twisted and ensureDeferred.
"""
ee = EventEmitter(scheduler=ensureDeferred)
should_call = Mock()
@ee.on('event')
async def event_handler():
raise PyeeTestError()
@ee.on('error')
def handle_error(e):
should_call(e)
ee.emit('event')
should_call.assert_called_once()
def __init__(self, runner=None):
self.events = EventEmitter()
self.started = None
self.finished = None
self.requests = 0
self._pending = {}
self._records = []
if runner:
self._attach_to(runner)
class InterceptEmitter(object):
"""
This class intercepts and allows emitting events between the
skill_tester and the skill being tested.
When a test is running emitted communication is intercepted for analysis
"""
def __init__(self):
self.emitter = EventEmitter()
self.q = None
def on(self, event, f):
# run all events
print("Event: ", event)
self.emitter.on(event, f)
def emit(self, event, *args, **kwargs):
event_name = event.msg_type
if self.q:
self.q.put(event)
self.emitter.emit(event_name, event, *args, **kwargs)
def wait_for_response(self, event, reply_type=None, *args, **kwargs):
"""Simple single thread implementation of wait_for_response."""
message_type = reply_type or event.msg_type + '.response'
response = None
def response_handler(msg):
nonlocal response
response = msg
self.emitter.once(message_type, response_handler)
self.emitter.emit(event.msg_type, event)
return response
def once(self, event, f):
self.emitter.once(event, f)
def remove(self, event_name, func):
pass
def remove_all_listeners(self, event_name):
pass
class MessageBusEventHandler(WebSocketHandler):
def __init__(self, application, request, **kwargs):
super().__init__(application, request, **kwargs)
self.emitter = EventEmitter()
def on(self, event_name, handler):
self.emitter.on(event_name, handler)
def on_message(self, message):
LOG.debug(message)
try:
deserialized_message = Message.deserialize(message)
except Exception:
return
try:
self.emitter.emit(deserialized_message.msg_type,
deserialized_message)
except Exception as e:
LOG.exception(e)
traceback.print_exc(file=sys.stdout)
pass
for client in client_connections:
client.write_message(message)
def open(self):
self.write_message(Message("connected").serialize())
client_connections.append(self)
def on_close(self):
client_connections.remove(self)
def emit(self, channel_message):
if (hasattr(channel_message, 'serialize')
and callable(getattr(channel_message, 'serialize'))):
self.write_message(channel_message.serialize())
else:
self.write_message(json.dumps(channel_message))
def check_origin(self, origin):
return True
def __init__(self, packet_sender):
self.log = logging.getLogger('%s' % self.__class__.__name__)
self.log.info('Init Connection')
self.event_emitter = EventEmitter()
self._sender = Sender(packet_sender)
self._receiver = Receiver(packet_sender)
# pylint: disable=unused-variable
@self._receiver.event_emitter.on('data')
def on_data(data):
self.log.debug('Received IncomingMessage: %s', data)
self.event_emitter.emit('data', data)
# pylint: disable=unused-variable
@self._receiver.event_emitter.on('_reset')
def on_reset(data):
self.log.debug('Received reset message')
def test_listeners():
"""`listeners()` gives you access to the listeners array."""
call_me = Mock()
ee = EventEmitter()
@ee.on('event')
def event_handler():
pass
listeners = ee.listeners('event')
assert listeners[0] == event_handler
# Overwrite listener
listeners[0] = call_me
ee.emit('event')
call_me.assert_called_once()
def __init__(self,
steamid,
key=None,
language='en',
identity_secret='',
poll_delay=30):
EventEmitter.__init__(self)
self.session = aiohttp.ClientSession()
ConfManager.__init__(self, identity_secret, steamid, self.session)
self.steamid = SteamID(steamid)
if not self.steamid.isValid(
) or not self.steamid.type == SteamID.Type['INDIVIDUAL']:
raise ValueError(
f"Steam ID {self.steamid} is not valid, or is not a user ID")
self.key = key
self.language = language
self.poll_delay = poll_delay
self.logged_in = False
self._trade_cache = {}
self._conf_cache = {}
def __init__(self,
host=client_config.get("host"),
port=client_config.get("port"),
path=client_config.get("route"),
ssl=str2bool(client_config.get("ssl"))):
validate_param(host, "host")
validate_param(port, "port")
validate_param(path, "route")
# validate_param(ssl, "ssl")
# ssl = str2bool(ssl)
self.emitter = EventEmitter()
self.scheme = "wss" if ssl else "ws"
self.host = host
self.port = port
self.path = path
self.exp_backoff_counter = 1
self.client = self._create_new_connection()
self.pool = ThreadPool(10)
def __init__(self,
backtesting=False,
symbol='tBTCUSD',
indicators={},
logLevel='INFO',
exchange_type=ExchangeType.EXCHANGE):
self.exchange_type = exchange_type
self.marketData = {}
self.positions = {}
self.lastPrice = {}
self.closedPositions = []
self.is_ready = False
self.indicators = indicators
self.candle_price_key = 'close'
self.backtesting = backtesting
self.symbol = symbol
self.events = EventEmitter(scheduler=asyncio.ensure_future)
# initialise custom logger
self.logLevel = logLevel
self.logger = CustomLogger('HFStrategy', logLevel=logLevel)
super(Strategy, self).__init__()
class InterceptEmitter(object):
"""
This class intercepts and allows emitting events between the
skill_tester and the skill being tested.
When a test is running emitted communication is intercepted for analysis
"""
def __init__(self):
self.emitter = EventEmitter()
self.q = None
def on(self, event, f):
# run all events
print("Event: ", event)
self.emitter.on(event, f)
def emit(self, event, *args, **kwargs):
event_name = event.type
if self.q:
self.q.put(event)
self.emitter.emit(event_name, event, *args, **kwargs)
def once(self, event, f):
self.emitter.once(event, f)
def remove(self, event_name, func):
pass
def remove_all_listeners(self, event_name):
pass
class Camera()
running = True
def __init__(self,fps=24):
self.emitter = EventEmitter()
self.fps = fps
self.cap = cv2.VideoCapture(0)
self.thread = threading.Thread(target=self.run)
self.thread.daemon = True
self.thread.start()
def run(self):
capturePeriodSecs = 1.0 / self.fps
while self.Running == True:
try:
self.cap_frame()
except Exception as error:
print ("error with capturing frames: ", error)
time.sleep(capturePeriodSecs)
def onNewFrame(self,callback):
self.emitter.on('frame', callback)
def removeOnNewFrameListener(self,callback):
self.emitter.remove_emitter_listener('frame', callback)
def stop(self):
self.running = False
def cap_frame(self):
f,img = self.cap.read()
self.latest_frame = img
self.emitter.emit('frame', img)
def __init__(self, clock, data, reset):
"""Initialize a new instance of TempSensor.
:param raspy.io.gpio.Gpio clock: The GPIO pin used for the clock.
:param raspy.io.gpio.Gpio data: The GPIO used for data.
:param raspy.io.gpio.Gpio reset: The GPIO pin used to trigger reset.
:raises: ArgumentNullException if any of the pins are None.
"""
Component.__init__(self)
if clock is None:
raise ArgumentNullException("'clock' cannot be None.")
if data is None:
raise ArgumentNullException("'data' cannot be None.")
if reset is None:
raise ArgumentNullException("'reset' cannot be None.")
self.__emitter = EventEmitter()
self.__rawTemp = 0.0
self.__scale = temp_scale.CELCIUS
self.__tempSensor = DS1620(clock, data, reset)
async def test_asyncio_error(event_loop):
"""Test that event_emitters can handle errors when wrapping coroutines as
used with asyncio.
"""
ee = EventEmitter(loop=event_loop)
should_call = Future(loop=event_loop)
@ee.on('event')
async def event_handler():
raise PyeeTestError()
@ee.on('error')
def handle_error(exc):
assert isinstance(exc, PyeeTestError)
should_call.set_result(exc)
ee.emit('event')
result = await wait_for(should_call, 0.1)
assert isinstance(result, PyeeTestError)