def load_obj(self, ref, asdict=False, modelattrs={}):
"""loads an object from the server.
if asdict:
only the json is returned.
else:
update the existing copy in _models if it is present
instantiate a new one if it is not
and make sure to convert all references into models
in the conversion from json to objects, sometimes references
to models need to be resolved. If there are any json attributes
being processed, you can pass them in as modelattrs
"""
typename = ref["type"]
ref_id = ref["id"]
url = utils.urljoin(self.base_url, self.docid + "/" + ref["type"] +\
"/" + ref["id"] + "/")
attr = protocol.deserialize_json(self.http_session.get(url).content)
if not asdict:
m = PlotObject.get_obj(typename, attr)
self.add(m)
m.finalize(self._models)
m.dirty = False
return m
else:
return attr
def load_attrs(self, typename, attrs):
models = []
for attr in attrs:
# logger.debug('type: %s', typename)
# logger.debug('attrs: %s', attr)
_id = attr['id']
if _id in self._models:
m = self._models[_id]
m.load_json(attr, instance=m)
else:
m = PlotObject.get_obj(typename, attr)
self.add(m)
models.append(m)
for m in models:
m.finalize(self._models)
return models
