from __future__ import with_statement
import pickle
import struct
import eventlet
from eventlet.semaphore import Semaphore
from drivel.utils.importing import import_preferential
pickle = import_preferential("cPickle", "pickle")
LEN_HEADER = struct.Struct(">I")
class EOF(Exception):
pass
class Messaging(object):
def __init__(self, sock, serialiser=pickle):
self.sock = sock
self.buff = ""
self._ser = serialiser
self._len = None
self._bsz = 4096
self._sem = Semaphore()
def fileno(self):
return self.sock.fileno()
def peek(self):
import sys
import traceback
import weakref
# third-party imports
import eventlet
from eventlet import greenthread
from eventlet import hubs
from eventlet import wsgi
from eventlet.green import time
from webob import Request
# local imports
from drivel import component
from drivel.auth import UnauthenticatedUser
from drivel.utils import connwatch
from drivel.utils.importing import import_preferential
json = import_preferential('json', 'simplejson')
class TimeoutException(Exception):
pass
class InvalidSession(Exception):
pass
class ConnectionReplaced(Exception):
pass
class ConnectionClosed(Exception):
