本文整理汇总了Python中redis.ConnectionError方法的典型用法代码示例。如果您正苦于以下问题:Python redis.ConnectionError方法的具体用法?Python redis.ConnectionError怎么用?Python redis.ConnectionError使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类redis
的用法示例。
在下文中一共展示了redis.ConnectionError方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: init
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def init():
"""
Initialize key value store that will be used for the event publishing.
That way the main API takes advantage of Redis pub/sub capabilities to push
events to the event stream API.
"""
global socketio
try:
publisher_store = redis.StrictRedis(
host=host, port=port, db=redis_db, decode_responses=True
)
publisher_store.get("test")
socketio = SocketIO(message_queue=redis_url)
except redis.ConnectionError:
pass
return socketio
示例2: listen
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def listen(self):
"""Relay messages from a redis pubsub to all subscribed clients.
This is run continuously in a separate greenlet.
"""
pubsub = redis_conn.pubsub()
name = self.name
if isinstance(name, six.text_type):
name = name.encode("utf-8")
try:
pubsub.subscribe([name])
except ConnectionError:
app.logger.exception("Could not connect to redis.")
log("Listening on channel {}".format(self.name))
for message in pubsub.listen():
data = message.get("data")
if message["type"] == "message" and data != "None":
channel = message["channel"]
payload = "{}:{}".format(channel.decode("utf-8"), data.decode("utf-8"))
for client in self.clients:
gevent.spawn(client.send, payload)
gevent.sleep(0.001)
示例3: subscribe
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def subscribe(self):
# Try to subscribe. If you fail, reconnect and try again.
# If you fail, allow the resulting exception to be passed on.
try:
# Create a pubsub to receive messages
self.pubsub = self.dataclient.pubsub(ignore_subscribe_messages=True)
# Subscribe to act_player_info keyspace events
self.pubsub.psubscribe(u'__key*__:act_player_info')
except redis.ConnectionError:
self.connect()
# Try again to subscribe
# Create a pubsub to receive messages
self.pubsub = self.dataclient.pubsub(ignore_subscribe_messages=True)
# Subscribe to act_player_info keyspace events
self.pubsub.subscribe(u'__key*__:act_player_info')
示例4: get
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def get(cls, pk, force=False):
if not force:
ident_key = identity_key(cls, pk)
if cls._db_session.identity_map and \
ident_key in cls._db_session.identity_map:
return cls._db_session.identity_map[ident_key]
try:
cached_val = cls._cache_client.get(cls.gen_raw_key(pk))
if cached_val:
cls._statsd_incr('hit')
return cls.from_cache(cached_val)
except redis.ConnectionError as e:
logger.error(e)
except TypeError as e:
logger.error(e)
cls._statsd_incr('miss')
obj = cls._db_session().query(cls).get(pk)
if obj is not None:
cls.set_raw(obj.__rawdata__)
return obj
示例5: wait_serve
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def wait_serve(ip_port, timeout=5):
t = time.time() + timeout
rcl = get_client(ip_port)
while time.time() < t:
try:
rcl.hget('foo', 'foo')
logger.info('redis is ready: ' + repr(ip_port))
return
except redis.ConnectionError as e:
logger.info('can not connect to redis: ' +
repr(ip_port) + ' ' + repr(e))
time.sleep(0.1)
continue
else:
logger.error('can not connect to redis: ' + repr(ip_port))
raise
示例6: __init__
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def __init__(self, logger=None, destination=None, *args, **kwargs):
import redis
super(RedisQueue, self).__init__(*args, **kwargs)
host = os.environ.get('ZTAG_REDIS_HOST', 'localhost')
port = int(os.environ.get('ZTAG_REDIS_PORT', 6379))
if destination == "full_ipv4":
queue = "ipv4"
elif destination == "alexa_top1mil":
queue = "domain"
else:
raise Exception("invalid destination: %s" % destination)
self.logger = logger
self.queue = queue
try:
self.redis = redis.Redis(host=host, port=port, db=0,
socket_connect_timeout=10)
except redis.ConnectionError as e:
msg = "could not connect to redis: %s" % str(e)
self.logger.fatal(msg)
# batching
self.queued = 0
self.retries = 0
self.records = []
self.certificates = []
示例7: push
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def push(self, noretry=False):
import redis
if self.queued == 0:
return
try:
p = self.redis.pipeline()
for r in self.records:
p.rpush(self.queue, r)
for r in self.certificates:
p.rpush(self.CERTIFICATES_QUEUE, r)
p.execute()
self.queued = 0
self.records = []
self.certificates = []
self.retries = 0
except redis.ConnectionError as e:
time.sleep(1.0)
self.retries += 1
if self.retries > self.MAX_RETRIES or noretry:
msg = "redis connection error: %s" % str(e)
self.logger.fatal(msg)
self.redis = None
示例8: set_redis
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def set_redis(self, redis_url: str, redis_timeout: int = 10) -> None:
""" Realiza a autenticação no servidor Redis utilizando a URL informada.
Args:
redis_url (str): URL para conectar ao servidor Redis, exemplo: redis://user:password@localhost:6379/2.
redis_timeout (int): O timeout padrão (em segundos).
Raises:
cartolafc.CartolaFCError: Se não for possível se conectar ao servidor Redis
"""
if not redis_url:
return
self._redis_url = redis_url
self._redis_timeout = redis_timeout if isinstance(redis_timeout, int) and redis_timeout > 0 else 10
try:
self._redis = redis.StrictRedis.from_url(url=redis_url)
self._redis.ping()
except (ConnectionError, TimeoutError, ValueError):
self._redis = None
raise CartolaFCError('Erro conectando ao servidor Redis.')
示例9: redis
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def redis(self, db=0):
# The decode_responses flag here directs the client to convert the responses from Redis into Python strings
# using the default encoding utf-8. This is client specific.
function = f"{__name__}.{sys._getframe().f_code.co_name}"
try:
red = redis.StrictRedis(host=self.host, port=self.port, db=self.db, encoding="utf-8", decode_responses=True)
red.set("test", 0)
except redis.ConnectionError:
log_data = {
"function": function,
"message": "Redis Connection error",
"host": self.host,
"port": self.port
}
current_app.logger.error(log_data)
sentry.captureException()
return red
示例10: remove_proxy
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def remove_proxy(self):
"""
移除代理
:return: None
"""
logger.info(f'Removing {CLIENT_NAME}...')
try:
# 由于拨号就会中断连接,所以每次都要重新建立连接
if hasattr(self, 'redis') and self.redis:
self.redis.close()
self.redis = RedisClient()
self.redis.remove(CLIENT_NAME)
logger.info(f'Removed {CLIENT_NAME} successfully')
return True
except redis.ConnectionError:
logger.info(f'Remove {CLIENT_NAME} failed')
示例11: test_failed_redis_connection
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def test_failed_redis_connection(self, monkeypatch):
"""redis not available"""
def raise_exception():
raise redis.ConnectionError()
monkeypatch.setattr(app, "AsyncResult", lambda task_id: raise_exception())
url = reverse(self.URL_NAME, kwargs={"task_id": "mock_task_id"})
request = RequestFactory().get(url)
request.META["HTTP_X_REQUESTED_WITH"] = "XMLHttpRequest" # AJAX request
request.user = User.objects.create(username="testuser", is_superuser=False, is_staff=False)
response = views.task_status_ajax(request, "mock_task_id")
assert response.status_code == 200, "Should be callable"
assert json.loads(response.content.decode()) == {
"state": "failed",
"error_message": "A server process (redis) is not running, please contact the administrator"
}
示例12: _setup
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def _setup():
'''Initialize the module
This adds a set of global variables
'''
global parser, args, config, r, response, patch
parser = argparse.ArgumentParser()
parser.add_argument("-i", "--inifile", default=os.path.join(path, name + '.ini'), help="name of the configuration file")
args = parser.parse_args()
config = configparser.ConfigParser(inline_comment_prefixes=('#', ';'))
config.read(args.inifile)
try:
r = redis.StrictRedis(host=config.get('redis', 'hostname'), port=config.getint('redis', 'port'), db=0, charset='utf-8', decode_responses=True)
response = r.client_list()
except redis.ConnectionError:
raise RuntimeError("cannot connect to Redis server")
# combine the patching from the configuration file and Redis
patch = EEGsynth.patch(config, r)
# there should not be any local variables in this function, they should all be global
if len(locals()):
print('LOCALS: ' + ', '.join(locals().keys()))
示例13: _setup
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def _setup():
'''Initialize the module
This adds a set of global variables
'''
global parser, args, config, r, response, patch
parser = argparse.ArgumentParser()
parser.add_argument("-i", "--inifile", default=os.path.join(path, name + '.ini'), help="name of the configuration file")
args = parser.parse_args()
config = configparser.ConfigParser(inline_comment_prefixes=('#', ';'))
config.read(args.inifile)
try:
r = redis.StrictRedis(host=config.get('redis', 'hostname'), port=config.getint('redis', 'port'), db=0, charset='utf-8', decode_responses=True)
except redis.ConnectionError:
raise RuntimeError("cannot connect to Redis server")
# combine the patching from the configuration file and Redis
patch = EEGsynth.patch(config, r)
# there should not be any local variables in this function, they should all be global
if len(locals()):
print('LOCALS: ' + ', '.join(locals().keys()))
示例14: _setup
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def _setup():
"""Initialize the module
This adds a set of global variables
"""
global parser, args, config, r, response, patch
parser = argparse.ArgumentParser()
parser.add_argument("-i", "--inifile", default=os.path.join(path, name + '.ini'), help="name of the configuration file")
args = parser.parse_args()
config = configparser.ConfigParser(inline_comment_prefixes=('#', ';'))
config.read(args.inifile)
try:
r = redis.StrictRedis(host=config.get('redis', 'hostname'), port=config.getint('redis', 'port'), db=0, charset='utf-8', decode_responses=True)
response = r.client_list()
except redis.ConnectionError:
raise RuntimeError("cannot connect to Redis server")
# combine the patching from the configuration file and Redis
patch = EEGsynth.patch(config, r)
# there should not be any local variables in this function, they should all be global
if len(locals()):
print("LOCALS: " + ", ".join(locals().keys()))
示例15: _setup
# 需要导入模块: import redis [as 别名]
# 或者: from redis import ConnectionError [as 别名]
def _setup():
'''Initialize the module
This adds a set of global variables
'''
global parser, args, config, r, response, patch
parser = argparse.ArgumentParser()
parser.add_argument("-i", "--inifile", default=os.path.join(path, name + '.ini'), help="name of the configuration file")
args = parser.parse_args()
config = configparser.ConfigParser(inline_comment_prefixes=('#', ';'))
config.read(args.inifile)
try:
r = redis.StrictRedis(host=config.get('redis', 'hostname'), port=config.getint('redis', 'port'), db=0, charset='utf-8', decode_responses=True)
response = r.client_list()
except redis.ConnectionError:
raise RuntimeError("cannot connect to Redis server")
# combine the patching from the configuration file and Redis
patch = EEGsynth.patch(config, r)