def loadStubClass(cls,adapter):
if isinstance(adapter, (str,basestring,unicode)):
_adapter = DataBackend.get_by_key_name(adapter)
elif isinstance(adapter, DataBackend):
_adapter = adapter
else:
raise exceptions.InvalidBackend()
stub_class = import_helper(adapter.model_path)
if stub_class == False:
return False
else:
return stub_class
def create(cls, backend, format, origin=None, source=None, **kwargs):
d = DataStub()
# Backend first
if isinstance(backend, DataBackend):
d.backend = backend
elif isinstance(backend, (str, basestring, unicode)):
d.backend = DataBackend.get_by_key_name(backend)
else:
raise exceptions.InvalidDataBackend()
# Process format
if format in FORMAT_LIST:
f.format = format
else:
f.format = 'other'
f.format_other = format
# Process origin
if origin in ORIGIN_LIST:
f.origin = origin
else:
f.origin = 'other'
f.origin_other = origin
# Process source
if source is not None:
if isinstance(source, DataInput):
d.source = source
else:
raise exceptions.InvalidDataSource()
# Process kwargs
if 'key_name' in kwargs:
del kwargs['key_name']
