def __init__(self, opts, *args, **kwargs):
"""
Initialize the connection pool.
"""
self.opts = opts
try:
adbapi.ConnectionPool.__init__(self, *args, **kwargs)
except dbapi2.DatabaseError as e:
raise DatabaseAccessError(
'Error initializing u1db connection pool: %s' % str(e))
# all u1db connections, hashed by thread-id
self._u1dbconnections = {}
# The replica uid, primed by the connections on init.
self.replica_uid = ProxyBase(None)
try:
conn = self.connectionFactory(
self, init_u1db=True)
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
except DatabaseAccessError as e:
self.threadpool.stop()
raise DatabaseAccessError(
"Error initializing connection factory: %s" % str(e))
def connect(self, url='sqlite:///:memory:', engine=None):
""" Use the database defined by the url or the sqlalchemy engine. """
assert url or engine
from zope import proxy
from sqlalchemy import create_engine, orm
if url:
engine = create_engine(url)
session = orm.scoped_session(orm.sessionmaker(bind=engine))
if self._session:
self._session.close()
proxy.setProxiedObject(self._session, session)
else:
self._session = proxy.ProxyBase(session)
# import models before creating them to ensure that base.metadata
# contains all tables needed
from ship import models
assert models
self.base.metadata.create_all(bind=engine)
assert self._session.bind.table_names()
def connect(self, url="sqlite:///:memory:", engine=None):
""" Use the database defined by the url or the sqlalchemy engine. """
assert url or engine
from zope import proxy
from sqlalchemy import create_engine, orm
if url:
engine = create_engine(url)
session = orm.scoped_session(orm.sessionmaker(bind=engine))
if self._session:
self._session.close()
proxy.setProxiedObject(self._session, session)
else:
self._session = proxy.ProxyBase(session)
# import models before creating them to ensure that base.metadata
# contains all tables needed
from ship import models
assert models
self.base.metadata.create_all(bind=engine)
assert self._session.bind.table_names()
def __init__(self, opts, *args, **kwargs):
"""
Initialize the connection pool.
"""
self.opts = opts
try:
adbapi.ConnectionPool.__init__(self, *args, **kwargs)
except dbapi2.DatabaseError as e:
raise DatabaseAccessError(
'Error initializing u1db connection pool: %s' % str(e))
# all u1db connections, hashed by thread-id
self._u1dbconnections = {}
# The replica uid, primed by the connections on init.
self.replica_uid = ProxyBase(None)
try:
conn = self.connectionFactory(
self, init_u1db=True)
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
except DatabaseAccessError as e:
self.threadpool.stop()
raise DatabaseAccessError(
"Error initializing connection factory: %s" % str(e))
def __init__(self, *args, **kwargs):
"""
Initialize the connection pool.
"""
adbapi.ConnectionPool.__init__(self, *args, **kwargs)
# all u1db connections, hashed by thread-id
self._u1dbconnections = {}
# The replica uid, primed by the connections on init.
self.replica_uid = ProxyBase(None)
conn = self.connectionFactory(self, init_u1db=True)
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
def __init__(self, *args, **kwargs):
"""
Initialize the connection pool.
"""
adbapi.ConnectionPool.__init__(self, *args, **kwargs)
# all u1db connections, hashed by thread-id
self._u1dbconnections = {}
# The replica uid, primed by the connections on init.
self.replica_uid = ProxyBase(None)
conn = self.connectionFactory(self, init_u1db=True)
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
def _runInteraction(self, interaction, *args, **kw):
"""
Interact with the database and return the result.
:param interaction:
A callable object whose first argument is an
L{adbapi.Transaction}.
:type interaction: callable
:return: a Deferred which will fire the return value of
'interaction(Transaction(...), *args, **kw)', or a Failure.
:rtype: twisted.internet.defer.Deferred
"""
tid = self.threadID()
u1db = self._u1dbconnections.get(tid)
conn = self.connectionFactory(self,
self._sync_enc_pool,
init_u1db=not bool(u1db))
if self.replica_uid is None:
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
if u1db is None:
self._u1dbconnections[tid] = conn._u1db
else:
conn._u1db = u1db
trans = self.transactionFactory(self, conn)
try:
result = interaction(trans, *args, **kw)
trans.close()
conn.commit()
return result
except:
excType, excValue, excTraceback = sys.exc_info()
try:
conn.rollback()
except:
logger.error(None, "Rollback failed")
raise excType, excValue, excTraceback
def _runInteraction(self, interaction, *args, **kw):
"""
Interact with the database and return the result.
:param interaction:
A callable object whose first argument is an
L{adbapi.Transaction}.
:type interaction: callable
:return: a Deferred which will fire the return value of
'interaction(Transaction(...), *args, **kw)', or a Failure.
:rtype: twisted.internet.defer.Deferred
"""
tid = self.threadID()
u1db = self._u1dbconnections.get(tid)
conn = self.connectionFactory(
self, self._sync_enc_pool, init_u1db=not bool(u1db))
if self.replica_uid is None:
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
if u1db is None:
self._u1dbconnections[tid] = conn._u1db
else:
conn._u1db = u1db
trans = self.transactionFactory(self, conn)
try:
result = interaction(trans, *args, **kw)
trans.close()
conn.commit()
return result
except:
excType, excValue, excTraceback = sys.exc_info()
try:
conn.rollback()
except:
log.err(None, "Rollback failed")
raise excType, excValue, excTraceback
def __init__(self, *args, **kwargs):
"""
Initialize the connection pool.
"""
# extract soledad-specific objects from keyword arguments
self.opts = kwargs.pop("opts")
self._sync_enc_pool = kwargs.pop("sync_enc_pool")
try:
adbapi.ConnectionPool.__init__(self, *args, **kwargs)
except DatabaseError:
raise DatabaseAccessError('Could not open sqlcipher database')
# all u1db connections, hashed by thread-id
self._u1dbconnections = {}
# The replica uid, primed by the connections on init.
self.replica_uid = ProxyBase(None)
conn = self.connectionFactory(
self, self._sync_enc_pool, init_u1db=True)
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
def __init__(self, *args, **kwargs):
"""
Initialize the connection pool.
"""
# extract soledad-specific objects from keyword arguments
self.opts = kwargs.pop("opts")
self._sync_enc_pool = kwargs.pop("sync_enc_pool")
try:
adbapi.ConnectionPool.__init__(self, *args, **kwargs)
except DatabaseError:
raise DatabaseAccessError('Could not open sqlcipher database')
# all u1db connections, hashed by thread-id
self._u1dbconnections = {}
# The replica uid, primed by the connections on init.
self.replica_uid = ProxyBase(None)
conn = self.connectionFactory(self,
self._sync_enc_pool,
init_u1db=True)
replica_uid = conn._u1db._real_replica_uid
setProxiedObject(self.replica_uid, replica_uid)
def _callFUT(self, *args):
from zope.proxy import setProxiedObject
return setProxiedObject(*args)
def _callFUT(self, *args):
from zope.proxy import setProxiedObject
return setProxiedObject(*args)
