Python try_import示例

示例#1

文件： service.py 项目： amalaba/qonos

import signal
import sys
import time

import eventlet
import logging as std_logging
from oslo.config import cfg

from qonos.openstack.common import eventlet_backdoor
from qonos.openstack.common.gettextutils import _
from qonos.openstack.common import importutils
from qonos.openstack.common import log as logging
from qonos.openstack.common import threadgroup


rpc = importutils.try_import('qonos.openstack.common.rpc')
CONF = cfg.CONF
LOG = logging.getLogger(__name__)


class Launcher(object):
    """Launch one or more services and wait for them to complete."""

    def __init__(self):
        """Initialize the service launcher.

        :returns: None

        """
        self._services = threadgroup.ThreadGroup()
        eventlet_backdoor.initialize_if_enabled()

示例#2

import sys
import types
import uuid

import eventlet
import greenlet
from oslo_config import cfg

from qonos.openstack.common import excutils
from qonos.openstack.common._i18n import _
from qonos.openstack.common import importutils
from qonos.openstack.common import jsonutils
from qonos.openstack.common import processutils as utils
from qonos.openstack.common.rpc import common as rpc_common

zmq = importutils.try_import("eventlet.green.zmq")

# for convenience, are not modified.
pformat = pprint.pformat
Timeout = eventlet.timeout.Timeout
LOG = rpc_common.LOG
RemoteError = rpc_common.RemoteError
RPCException = rpc_common.RPCException

zmq_opts = [
    cfg.StrOpt(
        "rpc_zmq_bind_address",
        default="*",
        help="ZeroMQ bind address. Should be a wildcard (*), "
        "an ethernet interface, or IP. "
        'The "host" option should point or resolve to this '

示例#3

#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
"""
The MatchMaker classes should accept a Topic or Fanout exchange key and
return keys for direct exchanges, per (approximate) AMQP parlance.
"""

from oslo_config import cfg

from qonos.openstack.common import importutils
from qonos.openstack.common import log as logging
from qonos.openstack.common.rpc import matchmaker as mm_common

redis = importutils.try_import('redis')


matchmaker_redis_opts = [
    cfg.StrOpt('host',
               default='127.0.0.1',
               help='Host to locate redis'),
    cfg.IntOpt('port',
               default=6379,
               help='Use this port to connect to redis host.'),
    cfg.StrOpt('password',
               default=None,
               help='Password for Redis server. (optional)'),
]

CONF = cfg.CONF

示例#4

文件： impl_zmq.py 项目： amalaba/qonos

import sys
import types
import uuid

import eventlet
import greenlet
from oslo.config import cfg

from qonos.openstack.common import excutils
from qonos.openstack.common.gettextutils import _
from qonos.openstack.common import importutils
from qonos.openstack.common import jsonutils
from qonos.openstack.common import processutils as utils
from qonos.openstack.common.rpc import common as rpc_common

zmq = importutils.try_import('eventlet.green.zmq')

# for convenience, are not modified.
pformat = pprint.pformat
Timeout = eventlet.timeout.Timeout
LOG = rpc_common.LOG
RemoteError = rpc_common.RemoteError
RPCException = rpc_common.RPCException

zmq_opts = [
    cfg.StrOpt('rpc_zmq_bind_address', default='*',
               help='ZeroMQ bind address. Should be a wildcard (*), '
                    'an ethernet interface, or IP. '
                    'The "host" option should point or resolve to this '
                    'address.'),

示例#5

文件： impl_qpid.py 项目： amalaba/qonos

import itertools
import time
import uuid

import eventlet
import greenlet
from oslo.config import cfg

from qonos.openstack.common.gettextutils import _
from qonos.openstack.common import importutils
from qonos.openstack.common import jsonutils
from qonos.openstack.common import log as logging
from qonos.openstack.common.rpc import amqp as rpc_amqp
from qonos.openstack.common.rpc import common as rpc_common

qpid_messaging = importutils.try_import("qpid.messaging")
qpid_exceptions = importutils.try_import("qpid.messaging.exceptions")

LOG = logging.getLogger(__name__)

qpid_opts = [
    cfg.StrOpt('qpid_hostname',
               default='localhost',
               help='Qpid broker hostname'),
    cfg.StrOpt('qpid_port',
               default='5672',
               help='Qpid broker port'),
    cfg.ListOpt('qpid_hosts',
                default=['$qpid_hostname:$qpid_port'],
                help='Qpid HA cluster host:port pairs'),
    cfg.StrOpt('qpid_username',

示例#6

#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
"""
The MatchMaker classes should accept a Topic or Fanout exchange key and
return keys for direct exchanges, per (approximate) AMQP parlance.
"""

from oslo.config import cfg

from qonos.openstack.common import importutils
from qonos.openstack.common import log as logging
from qonos.openstack.common.rpc import matchmaker as mm_common

redis = importutils.try_import('redis')

matchmaker_redis_opts = [
    cfg.StrOpt('host', default='127.0.0.1', help='Host to locate redis'),
    cfg.IntOpt('port',
               default=6379,
               help='Use this port to connect to redis host.'),
    cfg.StrOpt('password',
               default=None,
               help='Password for Redis server. (optional)'),
]

CONF = cfg.CONF
opt_group = cfg.OptGroup(name='matchmaker_redis',
                         title='Options for Redis-based MatchMaker')
CONF.register_group(opt_group)

示例#7

import itertools
import time
import uuid

import eventlet
import greenlet
from oslo.config import cfg

from qonos.openstack.common.gettextutils import _
from qonos.openstack.common import importutils
from qonos.openstack.common import jsonutils
from qonos.openstack.common import log as logging
from qonos.openstack.common.rpc import amqp as rpc_amqp
from qonos.openstack.common.rpc import common as rpc_common

qpid_messaging = importutils.try_import("qpid.messaging")
qpid_exceptions = importutils.try_import("qpid.messaging.exceptions")

LOG = logging.getLogger(__name__)

qpid_opts = [
    cfg.StrOpt('qpid_hostname',
               default='localhost',
               help='Qpid broker hostname'),
    cfg.StrOpt('qpid_port', default='5672', help='Qpid broker port'),
    cfg.ListOpt('qpid_hosts',
                default=['$qpid_hostname:$qpid_port'],
                help='Qpid HA cluster host:port pairs'),
    cfg.StrOpt('qpid_username',
               default='',
               help='Username for qpid connection'),

示例#8

文件： impl_zmq.py 项目： clefelhocz/qonos

import sys
import types
import uuid

import eventlet
import greenlet
from oslo.config import cfg

from qonos.openstack.common import excutils
from qonos.openstack.common.gettextutils import _
from qonos.openstack.common import importutils
from qonos.openstack.common import jsonutils
from qonos.openstack.common import processutils as utils
from qonos.openstack.common.rpc import common as rpc_common

zmq = importutils.try_import('eventlet.green.zmq')

# for convenience, are not modified.
pformat = pprint.pformat
Timeout = eventlet.timeout.Timeout
LOG = rpc_common.LOG
RemoteError = rpc_common.RemoteError
RPCException = rpc_common.RPCException

zmq_opts = [
    cfg.StrOpt('rpc_zmq_bind_address',
               default='*',
               help='ZeroMQ bind address. Should be a wildcard (*), '
               'an ethernet interface, or IP. '
               'The "host" option should point or resolve to this '
               'address.'),

示例#9

import random
import signal
import sys
import time

import eventlet
import logging as std_logging
from oslo.config import cfg

from qonos.openstack.common import eventlet_backdoor
from qonos.openstack.common.gettextutils import _
from qonos.openstack.common import importutils
from qonos.openstack.common import log as logging
from qonos.openstack.common import threadgroup

rpc = importutils.try_import('qonos.openstack.common.rpc')
CONF = cfg.CONF
LOG = logging.getLogger(__name__)


class Launcher(object):
    """Launch one or more services and wait for them to complete."""
    def __init__(self):
        """Initialize the service launcher.

        :returns: None

        """
        self._services = threadgroup.ThreadGroup()
        eventlet_backdoor.initialize_if_enabled()