def decode(key, value):
if isinstance(value, get_dumpable_types()):
return value
if isinstance(value, (tuple, list)):
return [decode(key, x) for x in value]
if not isinstance(value, dict):
return value
if '__type' not in value:
return dict([(k, decode(k, v)) for k, v in iteritems(value)])
_type = value['__type']
if _type == 'Pointer':
value = copy.deepcopy(value)
class_name = value['className']
pointer = leancloud.Object.create(class_name)
if 'createdAt' in value:
value.pop('__type')
value.pop('className')
pointer._update_data(value)
else:
pointer._update_data({'objectId': value['objectId']})
return pointer
if _type == 'Object':
value = copy.deepcopy(value)
class_name = value['className']
value.pop('__type')
value.pop('className')
obj = leancloud.Object.create(class_name)
obj._update_data(value)
return obj
if _type == 'Date':
return arrow.get(iso8601.parse_date(value['iso'])).to('local').datetime
if _type == 'GeoPoint':
return leancloud.GeoPoint(latitude=value['latitude'], longitude=value['longitude'])
if key == 'ACL':
if isinstance(value, leancloud.ACL):
return value
return leancloud.ACL(value)
if _type == 'Relation':
relation = leancloud.Relation(None, key)
relation.target_class_name = value['className']
return relation
if _type == 'File':
f = leancloud.File(value['name'])
meta_data = value.get('metaData')
if meta_data:
f._metadata = meta_data
f._url = value['url']
f.id = value['objectId']
return f
def _apply(self, old, obj=None, key=None):
if old is None:
return leancloud.Relation(obj, key)
elif isinstance(old, leancloud.Relation):
if self._target_class_name:
if old.target_class_name:
if old.target_class_name != self._target_class_name:
raise TypeError(
"related object must be class of {0}".format(
old.target_class_name))
else:
old.target_class_name = self._target_class_name
return old
else:
raise TypeError("invalid op")
def relation(self, attr):
"""
返回对象上相应字段的 Relation
:param attr: 字段名
:type attr: basestring
:return: Relation
:rtype: leancloud.Relation
"""
value = self.get(attr)
if value is not None:
if not isinstance(value, leancloud.Relation):
raise TypeError('field %s is not Relation'.format(attr))
value._ensure_parent_and_key(self, attr)
return value
return leancloud.Relation(self, attr)
def decode(key, value):
if isinstance(value, get_dumpable_types()):
return value
if isinstance(value, (tuple, list)):
return [decode(key, x) for x in value]
if not isinstance(value, dict):
return value
if key == "ACL":
if isinstance(value, leancloud.ACL):
return value
return leancloud.ACL(value)
if "__type" not in value:
return dict([(k, decode(k, v)) for k, v in six.iteritems(value)])
_type = value["__type"]
if _type == "Pointer":
value = copy.deepcopy(value)
class_name = value["className"]
pointer = leancloud.Object.create(class_name)
if "createdAt" in value:
value.pop("__type")
value.pop("className")
pointer._update_data(value)
else:
pointer._update_data({"objectId": value["objectId"]})
return pointer
if _type == "Object":
value = copy.deepcopy(value)
class_name = value["className"]
value.pop("__type")
value.pop("className")
obj = leancloud.Object.create(class_name)
obj._update_data(value)
return obj
if _type == "Date":
return arrow.get(iso8601.parse_date(value["iso"])).to("local").datetime
if _type == "GeoPoint":
return leancloud.GeoPoint(
latitude=value["latitude"], longitude=value["longitude"]
)
if _type == "Relation":
relation = leancloud.Relation(None, key)
relation.target_class_name = value["className"]
return relation
if _type == "File":
f = leancloud.File(value["name"])
meta_data = value.get("metaData")
if meta_data:
f._metadata = meta_data
f._url = value["url"]
f.id = value["objectId"]
return f