There isn't an ArrayField option in mongoengine's documentation. Here it is: http://docs.mongoengine.org/guide/defining-documents.html I'm going crazy over how something like that isn't named ArrayField. Is it even possible to do an ArrayField using mongoengine?
I think what you are looking for is ListField
in mongoengine.
More details here: http://docs.mongoengine.org/apireference.html#mongoengine.fields.ListField
eg
from mongoengine import Document
from mongoengine.fields import ListField
from mongoengine.fields import StringField
class User(Document):
name = StringField()
roles = ListField(StringField()) # something like ["ro", "rw"]
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