o2olib.O2OMgr Class Reference

Inheritance diagram for o2olib.O2OMgr:

Public Member Functions
def	__init__ (self)
def	getSession (self, db_service, auth)
def	logger (self)

Public Attributes
	eng
	logger

Detailed Description

Definition at line 99 of file o2olib.py.

Constructor & Destructor Documentation

def o2olib.O2OMgr.__init__

(

self

)

Definition at line 100 of file o2olib.py.

    def __init__(self):
        self.logger = logging.getLogger()        
        self.logger.setLevel(logLevel)
        consoleHandler = logging.StreamHandler(sys.stdout) 
        consoleHandler.setFormatter(logFormatter)
        self.logger.addHandler(consoleHandler)
        self.eng = None

Member Function Documentation

def o2olib.O2OMgr.getSession	(		self,
			db_service,
			auth
	)

Definition at line 111 of file o2olib.py.

References o2olib.O2OMgr.eng, o2olib.get_db_credentials(), and str.

    def getSession( self, db_service, auth ):
        url = None
        if db_service is None:
            url = private_db
        else:
            self.logger.info('Getting credentials')
            if auth is not None:
                if not os.path.exists(auth):
                    self.logger.error('Authentication path %s is invalid.' %auth)
                    return None
            try:
                username, pwd = get_db_credentials( db_service, auth )
            except Exception as e:
                logging.debug(str(e))
                username = None
                pwd = None
            if username is None:
                logging.error('Credentials for service %s (machine=%s) are not available' %(db_service[0],db_service[1]))
                raise Exception("Cannot connect to db %s" %db_service[0] )
            url = sqlalchemy_tpl %(username,pwd,db_service[0])
        session = None
        try:
            self.eng = sqlalchemy.create_engine( url )
            session = sqlalchemy.orm.scoped_session( sqlalchemy.orm.sessionmaker(bind=self.eng))
        except sqlalchemy.exc.SQLAlchemyError as dberror:
            self.logger.error( str(dberror) )
        return session

def o2olib.O2OMgr.logger

(

self

)

Definition at line 108 of file o2olib.py.

References crabFunctions.CrabController.logger, and o2olib.O2OMgr.logger.

    def logger( self ):
        return self.logger
        

Member Data Documentation

o2olib.O2OMgr.eng

Definition at line 106 of file o2olib.py.

Referenced by o2olib.O2OMgr.getSession().

o2olib.O2OMgr.logger

Definition at line 101 of file o2olib.py.

Referenced by o2olib.O2OMgr.logger().