code: def _free_up_space(self, size, this_rel_path=None):
          '''If there are not size bytes of space left, delete files
          until there is
  
          Args:
              size: size of the current file
              this_rel_path: rel_pat to the current file, so we don't delete it.
  
          '''
  
          # Amount of space we are over ( bytes ) for next put
          space = self.size + size - self.maxsize
  
          if space <= 0:
              return
  
          removes = []
  
          for row in self.database.execute("SELECT path, size, time FROM files ORDER BY time ASC"):
  
              if space > 0:
                  removes.append(row[0])
                  space -= row[1]
              else:
                  break
  
          for rel_path in removes:
              if rel_path != this_rel_path:
                  global_logger.debug("Deleting {}".format(rel_path))
                  self.remove(rel_pathf _free_up_space(self, size, this_rel_path=None):
          '''If there are not size bytes of space left, delete files
          until there is
  
          Args:
              size: size of the current file
              this_rel_path: rel_pat to the current file, so we don't delete it.
  
          '''
  
          # Amount of space we are over ( bytes ) for next put
          space = self.size + size - self.maxsize
  
          if space <= 0:
              return
  
          removes = []
  
          for row in self.database.execute("SELECT path, size, time FROM files ORDER BY time ASC"):
  
              if space > 0:
                  removes.append(row[0])
                  space -= row[1]
              else:
                  break
  
          for rel_path in removes:
              if rel_path != this_rel_path:
                  global_logger.debug("Deleting {}".format(rel_path))
                  self.remove(rel_path)
docs: If there are not size bytes of space left, delete files
          until there is
  
          Args:
              size: size of the current file
              this_rel_path: rel_pat to the current file, so we don't delete it.