def setUp(self):
self.timeout = 2
self.queues = []
self.exchanges = []
self.connectors = []
# self.client = yield self.connect()
clientCreator = AMQPClientCreator(reactor)# , MessageService)
self.client = yield clientCreator.connectTCP(BROKER_HOST, BROKER_PORT)
self.connectors.append(clientCreator.connector)
yield self.client.authenticate(clientCreator.username,
clientCreator.password)
self.channel = yield self.client.channel(1)
yield self.channel.channel_open()
def install():
"""
Make a singleton of the preactor.
Get configuration from conf file.
If no local conf file (dir magnet started in), fallback on .magnet.conf
in users home dir.
If no conf in users home, fallback on magnet.conf in magnet python
package.
"""
import os
import sys
import ConfigParser
import magnet
pkg_conf = os.path.join(magnet.__path__[0], 'magnet.conf')
home_path = os.path.expanduser('~')
home_conf = os.path.join(home_path, '.magnet.conf') # @todo hardcoded filename
# see if there is a conf file in the cur dir
local_conf = os.path.join(os.path.abspath('.'), 'magnet.conf')
c = ConfigParser.ConfigParser()
confs_read = c.read([pkg_conf, home_conf, local_conf])
if not confs_read:
raise Exception("""No magnet.conf file located!! This is where\
necessary AMQP Broker configuration is looked up.""")
from twisted.internet import reactor
from magnet.amqp import AMQPClientCreator
username = c.get('amqp_broker', 'username')
password = c.get('amqp_broker', 'password')
vhost = c.get('amqp_broker', 'vhost')
clientCreator = AMQPClientCreator(reactor, username=username,
password=password, vhost=vhost)
broker_host = c.get('amqp_broker', 'host')
broker_port = int(c.get('amqp_broker', 'port'))
# amqp_client = yield clientCreator.connectTCP(broker_host, broker_port)
amqp_client_d = clientCreator.connectTCP(broker_host, broker_port)
p_reactor = PocketReactor(reactor, amqp_client_d)
assert not sys.modules.has_key('magnet.preactor'), "preactor already installed"
import magnet
magnet.preactor = p_reactor
sys.modules['magnet.preactor'] = p_reactor
def Preactor():
"""
Make a preactor instance.
Get configuration from conf file.
If no local conf file (dir magnet started in), fallback on .magnet.conf
in users home dir.
If no conf in users home, fallback on magnet.conf in magnet python
package.
"""
import os
import ConfigParser
import magnet
pkg_conf = os.path.join(magnet.__path__[0], "magnet.conf")
home_path = os.path.expanduser("~")
home_conf = os.path.join(home_path, ".magnet.conf") # @todo hardcoded filename
# see if there is a conf file in the cur dir
local_conf = os.path.join(os.path.abspath("."), "magnet.conf")
c = ConfigParser.ConfigParser()
confs_read = c.read([pkg_conf, home_conf, local_conf])
if not confs_read:
raise Exception(
"""No magnet.conf file located!! This is where\
necessary AMQP Broker configuration is looked up."""
)
log.msg("Using AMQP Broker @ %s" % c.get("amqp_broker", "host"))
from twisted.internet import reactor
from magnet.amqp import AMQPClientCreator
from magnet.core import PocketReactor
username = c.get("amqp_broker", "username")
password = c.get("amqp_broker", "password")
vhost = c.get("amqp_broker", "vhost")
clientCreator = AMQPClientCreator(reactor, username=username, password=password, vhost=vhost)
broker_host = c.get("amqp_broker", "host")
broker_port = int(c.get("amqp_broker", "port"))
amqp_client = yield clientCreator.connectTCP(broker_host, broker_port)
preactor = PocketReactor(reactor, amqp_client)
preactor.run()
defer.returnValue(preactor)
