def all_connections(self):
"""Returns a generator over all current connection objects"""
for i in _xrange(self.num_patterns):
for c in self._available_connections[i]:
yield c
for c in self._in_use_connections[i]:
yield c
def execute_command(self, *args, **options):
"""Execute a command and return a parsed response"""
pool = self.connection_pool
command_name = args[0]
for i in _xrange(self.execution_attempts):
connection = pool.get_connection(command_name, **options)
try:
connection.send_command(*args)
res = self.parse_response(connection, command_name, **options)
pool.release(connection)
return res
except ConnectionError:
pool.purge(connection)
if i >= self.execution_attempts - 1:
raise
def execute_command(self, *args, **options):
"""Execute a command and return a parsed response"""
pool = self.connection_pool
command_name = args[0]
for i in _xrange(self.execution_attempts):
connection = pool.get_connection(command_name, **options)
try:
connection.send_command(*args)
res = self.parse_response(connection, command_name, **options)
pool.release(connection)
return res
# If anything goes wrong in .send_command() or .parse_response(),
# and we don't catch it, this connection will never be returned to
# the pool, and thus will leak.
#
# So, catch *everything* here except SystemExits and
# KeyboardInterrupts.
except Exception:
pool.purge(connection)
if i >= self.execution_attempts - 1:
raise
