def __init__(self, dbName, broker, username, password, options):
"""Constructor for the Connection class.
Arguments:
dbName -- Name of database you are accessing.
broker -- Address of the broker you are connecting too.
username -- NuoDB username.
password -- NuoDB password.
options -- A dictionary of NuoDB connection options
Some common options include:
"schema"
Returns:
a Connection instance
@type dbName str
@type broker str
@type username str
@type password str
@type options dict[str,str]
"""
(host, port) = getCloudEntry(broker, dbName)
self.__session = EncodedSession(host, port)
self._trans_id = None
cp = ClientPassword()
parameters = {'user': username, 'timezone': time.strftime('%Z')}
if options:
parameters.update(options)
version, serverKey, salt = self.__session.open_database(
dbName, parameters, cp)
sessionKey = cp.computeSessionKey(string.upper(username), password,
salt, serverKey)
self.__session.setCiphers(RC4Cipher(sessionKey), RC4Cipher(sessionKey))
self.__session.check_auth()
# set auto commit to false by default per PEP
self.__session.set_autocommit(0)
