def _transform_value(cls, value):
from iu_mongo import EmbeddedDocument
if isinstance(value, EmbeddedDocument):
return value.to_mongo()
elif isinstance(value, dict):
data = SON()
for key, value in value.items():
new_value = cls._transform_value(value)
data[key] = new_value
return data
elif isinstance(value, list):
data = []
for sub_value in value:
data.append(cls._transform_value(sub_value))
return data
else:
return value
