def __init__(self, function, usage, short_desc, long_desc='',
                 options=lambda obj, parser: None):
      self.function = function
      self.usage = usage
      self.short_desc = short_desc
      self.long_desc = long_desc
      self.options = options
copy docs from source_db to target_db
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/tools/appcfg.py/AppCfgApp.Action.__init__--crossover with--dataset/ETHPy150Open dimagi/commcare-hq/corehq/doctypemigrations/continuous_migrate.py/copy_docs