def getFile(_id):
"""
Retrieve the data from the GenericFile collection
for the given _id or db_ref
Returns the data in Binary. If you know it's a txt file and want a string,
convert with str()
Maybe this will be automatically deref'd most of the time?
Only if they're mongoengine ReferenceFields...
"""
try:
_id = _id.id
except AttributeError:
pass
f = GenericFile.objects(__raw__={'_id': _id}) # yes it's '_id' here but just 'id' below, gofigure
return _try0_dict_key(f, 'file', 'id', _id, None,
dict_key='data')
