def format_value(val, limit=100, level=10):
    return _format_value(val, limit, level)
Return a list of database keys used by model *model*
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/appstats/formatting.py/format_value--crossover with--dataset/ETHPy150Open lsbardel/python-stdnet/stdnet/backends/__init__.py/BackendDataServer.model_keys