import os
import sys
import time
import urlparse
import urllib2
from eventlet import event
from eventlet.green import subprocess
from eventlet import greenthread
from weibo import exception
from weibo.common.gettextutils import _
from weibo.common import jsonutils
from weibo.common import log as logging
LOG = logging.getLogger(__name__)
def conn_img_url(bigurl, ntime=3):
while ntime > 0:
try:
time.sleep(3)
urllib2.urlopen(bigurl)
except Exception:
ntime = ntime - 1
else:
break
if ntime < 1:
raise exception.ConnNotUrl(url=bigurl)
"""Session Handling for SQLAlchemy backend."""
import re
import time
from sqlalchemy.exc import DisconnectionError, OperationalError
import sqlalchemy.interfaces
import sqlalchemy.orm
from sqlalchemy.pool import NullPool, StaticPool
from weibo.common import cfg
from weibo.common import log as logging
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
_ENGINE = None
_MAKER = None
def ping_listener(dbapi_conn, connection_rec, connection_proxy):
"""
Ensures that MySQL connections checked out of the
pool are alive.
Borrowed from:
http://groups.google.com/group/sqlalchemy/msg/a4ce563d802c929f
"""
try:
dbapi_conn.cursor().execute('select 1')
except dbapi_conn.OperationalError, ex:
