def __init__(self, ipdb=None, mode=None, parent=None, uid=None):
#
if ipdb is not None:
self.nl = ipdb.nl
self.ipdb = ipdb
else:
self.nl = None
self.ipdb = None
#
self._parent = None
if parent is not None:
self._mode = mode or parent._mode
self._parent = parent
elif ipdb is not None:
self._mode = mode or ipdb.mode
else:
self._mode = mode or 'implicit'
#
self.nlmsg = None
self.uid = uid or uuid32()
self.last_error = None
self._commit_hooks = []
self._sids = []
self._ts = threading.local()
self._snapshots = {}
self.global_tx = {}
self._targets = {}
self._local_targets = {}
self._write_lock = threading.RLock()
self._direct_state = State(self._write_lock)
self._linked_sets = self._linked_sets or set()
#
for i in self._fields:
TransactionalBase.__setitem__(self, i, None)
def __init__(self, ipdb=None, mode=None, parent=None, uid=None):
#
if ipdb is not None:
self.nl = ipdb.nl
self.ipdb = ipdb
else:
self.nl = None
self.ipdb = None
#
self._parent = None
if parent is not None:
self._mode = mode or parent._mode
self._parent = parent
elif ipdb is not None:
self._mode = mode or ipdb.mode
else:
self._mode = mode or 'implicit'
#
self.nlmsg = None
self.uid = uid or uuid32()
self.last_error = None
self._commit_hooks = []
self._sids = []
self._ts = threading.local()
self._snapshots = {}
self.global_tx = {}
self._targets = {}
self._local_targets = {}
self._write_lock = threading.RLock()
self._direct_state = State(self._write_lock)
self._linked_sets = self._linked_sets or set()
#
for i in self._fields:
TransactionalBase.__setitem__(self, i, None)
def __setitem__(self, direct, key, value):
if not direct:
# automatically set target on the active transaction,
# which must be started prior to that call
transaction = self.current_tx
transaction[key] = value
if value is not None:
transaction._targets[key] = threading.Event()
else:
# set the item
TransactionalBase.__setitem__(self, key, value)
# update on local targets
with self._write_lock:
if key in self._local_targets:
func = self._fields_cmp.get(key, lambda x, y: x == y)
if func(value, self._local_targets[key].value):
self._local_targets[key].set()
# cascade update on nested targets
for tn in tuple(self.global_tx.values()):
if (key in tn._targets) and (key in tn):
if self._fields_cmp.\
get(key, lambda x, y: x == y)(value, tn[key]):
tn._targets[key].set()
def __setitem__(self, direct, key, value):
if not direct:
# automatically set target on the active transaction,
# which must be started prior to that call
transaction = self.current_tx
transaction[key] = value
if value is not None:
transaction._targets[key] = threading.Event()
else:
# set the item
TransactionalBase.__setitem__(self, key, value)
# update on local targets
with self._write_lock:
if key in self._local_targets:
func = self._fields_cmp.get(key, lambda x, y: x == y)
if func(value, self._local_targets[key].value):
self._local_targets[key].set()
# cascade update on nested targets
for tn in tuple(self.global_tx.values()):
if (key in tn._targets) and (key in tn):
if self._fields_cmp.\
get(key, lambda x, y: x == y)(value, tn[key]):
tn._targets[key].set()
