yield obj
def _read_command_list(self):
- for retval in self._command_list:
- yield retval()
- self._command_list = None
+ try:
+ for retval in self._command_list:
+ yield retval()
+ finally:
+ self._command_list = None
self._fetch_nothing()
def _iterator_wrapper(self, iterator):
flags = socket.AI_ADDRCONFIG
except AttributeError:
flags = 0
- msg = "getaddrinfo returns an empty list"
+ err = None
for res in socket.getaddrinfo(host, port, socket.AF_UNSPEC,
socket.SOCK_STREAM, socket.IPPROTO_TCP,
flags):
af, socktype, proto, canonname, sa = res
+ sock = None
try:
sock = socket.socket(af, socktype, proto)
sock.connect(sa)
- except socket.error, msg:
- if sock:
+ return sock
+ except socket.error, err:
+ if sock is not None:
sock.close()
- sock = None
- continue
- break
- if not sock:
- raise socket.error(msg)
- return sock
+ if err is not None:
+ raise err
+ else:
+ raise ConnectionError("getaddrinfo returns an empty list")
def connect(self, host, port):
- if self._sock:
+ if self._sock is not None:
raise ConnectionError("Already connected")
if host.startswith("/"):
self._sock = self._connect_unix(host)
self._reset()
def fileno(self):
- if not self._sock:
+ if self._sock is None:
raise ConnectionError("Not connected")
return self._sock.fileno()