def get_pubsub():
"""
Helper function to get the pubsub client used to send and receive messages.
:return: The pubsub object used to publish Eva messages to the clients.
:rtype: `anypubsub.interfaces.PubSub <https://github.com/smarzola/anypubsub>`_
"""
mongo_client = get_mongo_client()
return create_pubsub_from_settings({'backend': 'mongodb',
'client': mongo_client,
'database': 'eva',
'collection': 'communications'})
def get_pubsub():
"""
Helper function to get a anypubsub.MongoPubSub object based on parameters
specified by command line. Will tail the 'eva' database's 'communications'
collection for pubsub messages.
:return: The anypubsub object used for receiving Eva messages.
:rtype: anypubsub.backends.MongoPubSub
"""
global ARGS
uri = 'mongodb://'
if len(ARGS.mongo_username) > 0:
uri = uri + ARGS.mongo_username
if len(ARGS.mongo_password) > 0: uri = uri + ':' + ARGS.mongo_password + '@'
else: uri = uri + '@'
uri = '%s%s:%s' %(uri, ARGS.mongo_host, ARGS.mongo_port)
client = MongoClient(uri)
return create_pubsub_from_settings({'backend': 'mongodb',
'client': client,
'database': 'eva',
'collection': 'communications'})
def get_pubsub(self):
"""
Overriden method that returns the pubsub instance required to
send/receive messages to/from Eva.
:return: The pubsub object used to publish Eva messages to the clients.
:rtype: `anypubsub.interfaces.PubSub <https://github.com/smarzola/anypubsub>`_
"""
uri = 'mongodb://'
if len(self.username) > 0:
uri = uri + self.username
if len(self.password) > 0:
uri = uri + ':' + self.password + '@'
else:
uri = uri + '@'
uri = '%s%s:%s' %(uri, self.host, self.port)
client = MongoClient(uri)
return create_pubsub_from_settings({'backend': 'mongodb',
'client': client,
'database': 'eva',
'collection': 'communications'})
def test_create_pubsub_from_settings_with_prefix(self):
from anypubsub import create_pubsub_from_settings
from anypubsub.backends.memory import MemoryPubSub
pubsub = create_pubsub_from_settings({'foo.backend': 'memory'}, prefix='foo.')
assert isinstance(pubsub, MemoryPubSub)
def test_create_pubsub_from_settings(self):
from anypubsub import create_pubsub_from_settings
from anypubsub.backends.memory import MemoryPubSub
pubsub = create_pubsub_from_settings({'backend': 'memory'})
assert isinstance(pubsub, MemoryPubSub)
def test_create_pubsub_from_settings_with_prefix(self):
from anypubsub import create_pubsub_from_settings
from anypubsub.backends.memory import MemoryPubSub
pubsub = create_pubsub_from_settings({'foo.backend': 'memory'},
prefix='foo.')
assert isinstance(pubsub, MemoryPubSub)
def test_create_pubsub_from_settings(self):
from anypubsub import create_pubsub_from_settings
from anypubsub.backends.memory import MemoryPubSub
pubsub = create_pubsub_from_settings({'backend': 'memory'})
assert isinstance(pubsub, MemoryPubSub)
