code: def add(self, crash):
          
          if crash not in self:
              key  = crash.key()
              skey = self.marshall_key(key)
              data = self.marshall_value(crash, storeMemoryMap = True)
              self.__db[skey] = data
docs: Adds a new crash to the container.
          If the crash appears to be already known, it's ignored.
  
          @see: L{Crash.key}
  
          @type  crash: L{Crash}
          @param crash: Crash object to add.