def __init__(self, pool, spec, timeout=None):
"""
Initialization
:Parameters:
- `pool`: Pool reference
- `spec`: Connection spec
- `timeout`: Communication timeout
:Types:
- `pool`: `MemcacheConnectionPool`
- `spec`: ``tuple``
- `timeout`: ``float``
"""
self.pool = _weakref.proxy(pool)
try:
sock = _osutil.connect(spec, timeout=timeout, cache=3600)
except _osutil.SocketError, e:
raise MemcacheConnectError(str(e))
def __call__(self, inst, *args, **kwargs):
"""
Decorating logic
:Parameters:
- `inst`: Proxy instance
- `args`: function parameters
- `kwargs`: function parameters
:Types:
- `inst`: `Sharedance`
- `args`: ``tuple``
- `kwargs`: ``dict``
:return: Whatever the deocorated function returns
:rtype: any
"""
# pylint: disable = W0221
try:
sock = _osutil.connect((inst.host, inst.port),
timeout=inst.timeout, cache=3600)
if sock is None:
raise SharedanceConnectError(
"No connectable address found for %s:%s" % (
inst.host, inst.port
)
)
try:
conn = \
_stream.GenericStream(
_stream.MinimalSocketStream(sock), read_exact=True
)
try:
kwargs['_conn'] = conn
return self._func(inst, *args, **kwargs)
finally:
sock, _ = None, conn.close()
finally:
if sock is not None:
sock.close()
except (_osutil.SocketError, _socket.error), e:
raise SharedanceConnectError(str(e))