def _initroot(self):
try:
load_current(self._storage, ZERO)
except KeyError:
from ZODB.Connection import TransactionMetaData
file = BytesIO()
p = Pickler(file, _protocol)
p.dump((PersistentMapping, None))
p.dump({'_container': {}})
t = TransactionMetaData()
t.description = u'initial database creation'
self._storage.tpc_begin(t)
self._storage.store(ZERO, None, file.getvalue(), '', t)
self._storage.tpc_vote(t)
self._storage.tpc_finish(t)
def _initroot(self):
try:
load_current(self._storage, ZERO)
except KeyError:
from ZODB.Connection import TransactionMetaData
file = BytesIO()
p = Pickler(file, _protocol)
p.dump((PersistentMapping, None))
p.dump({'_container': {}})
t = TransactionMetaData()
t.description = u'initial database creation'
self._storage.tpc_begin(t)
self._storage.store(ZERO, None, file.getvalue(), '', t)
self._storage.tpc_vote(t)
self._storage.tpc_finish(t)
def _dostore(self,
oid=None,
revid=None,
data=None,
already_pickled=0,
user=None,
description=None):
"""Do a complete storage transaction. The defaults are:
- oid=None, ask the storage for a new oid
- revid=None, use a revid of ZERO
- data=None, pickle up some arbitrary data (the integer 7)
Returns the object's new revision id.
"""
if oid is None:
oid = self._storage.new_oid()
if revid is None:
revid = ZERO
if data is None:
data = MinPO(7)
if type(data) == int:
data = MinPO(data)
if not already_pickled:
data = zodb_pickle(data)
# Begin the transaction
t = TransactionMetaData()
if user is not None:
t.user = user
if description is not None:
t.description = description
try:
self._storage.tpc_begin(t)
# Store an object
r1 = self._storage.store(oid, revid, data, '', t)
# Finish the transaction
r2 = self._storage.tpc_vote(t)
revid = self._storage.tpc_finish(t)
except:
self._storage.tpc_abort(t)
raise
return revid
def _dostore(self, oid=None, revid=None, data=None, already_pickled=0, user=None, description=None):
"""Do a complete storage transaction. The defaults are:
- oid=None, ask the storage for a new oid
- revid=None, use a revid of ZERO
- data=None, pickle up some arbitrary data (the integer 7)
Returns the object's new revision id.
"""
if oid is None:
oid = self._storage.new_oid()
if revid is None:
revid = ZERO
if data is None:
data = MinPO(7)
if type(data) == int:
data = MinPO(data)
if not already_pickled:
data = zodb_pickle(data)
# Begin the transaction
t = TransactionMetaData()
if user is not None:
t.user = user
if description is not None:
t.description = description
try:
self._storage.tpc_begin(t)
# Store an object
r1 = self._storage.store(oid, revid, data, "", t)
# Finish the transaction
r2 = self._storage.tpc_vote(t)
revid = self._storage.tpc_finish(t)
except:
self._storage.tpc_abort(t)
raise
return revid
