def __init__(self,rpt=None,local=AttrDict(),engine={}):
self.Pages = []
self.DataSource = AttrDict()
self.Scripts = AttrDict()
self.BuiltinEngine = engine
self.ReportName = ''
lc = AttrDict(local)
lc.update(LOCAL)
self.Local = lc
if rpt:
self.load(rpt)
self.createDataSource()
