def is_reverse_o2o(field):
    return not hasattr(field, 'rel') and field.field.unique
Return the index in the list of the first item whose value is x in
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/sql/query.py/is_reverse_o2o--crossover with--dataset/ETHPy150Open armet/python-armet/armet/http/response.py/Response.index