+def add_database_user(uidname, session=None):
+ """
+ Adds a database user
+
+ @type uidname: string
+ @param uidname: The uid of the user to add
+
+ @type session: SQLAlchemy
+ @param session: Optional SQL session object (a temporary one will be
+ generated if not supplied). If not passed, a commit will be performed at
+ the end of the function, otherwise the caller is responsible for commiting.
+
+ @rtype: Uid
+ @return: the uid object for the given uidname
+ """
+ privatetrans = False
+ if session is None:
+ session = DBConn().session()
+ privatetrans = True
+
+ try:
+ session.execute("CREATE USER :uid", {'uid': uidname})
+ if privatetrans:
+ session.commit()
+ except:
+ traceback.print_exc()
+ raise
+
+__all__.append('add_database_user')
+
+def get_or_set_uid(uidname, session=None):
+ """
+ Returns uid object for given uidname.
+
+ If no matching uidname is found, a row is inserted.
+
+ @type uidname: string
+ @param uidname: The uid to add
+
+ @type session: SQLAlchemy
+ @param session: Optional SQL session object (a temporary one will be
+ generated if not supplied). If not passed, a commit will be performed at
+ the end of the function, otherwise the caller is responsible for commiting.
+
+ @rtype: Uid
+ @return: the uid object for the given uidname
+ """
+ privatetrans = False
+ if session is None:
+ session = DBConn().session()
+ privatetrans = True
+
+ try:
+ q = session.query(Uid).filter_by(uid=uidname)
+ if q.count() < 1:
+ uid = Uid()
+ uid.uid = uidname
+ session.add(uid)
+ if privatetrans:
+ session.commit()
+ return uid
+ else:
+ return q.one()
+
+ except:
+ traceback.print_exc()
+ raise
+
+__all__.append('get_or_set_uid')
+
+