def flush ( self ) : if self . _cache_modified_count > 0 : self . storage . write ( self . cache ) self . _cache_modified_count = 0
python flush request cache
Flush all unwritten data to disk .
def flush(self):
        """
        Flush all unwritten data to disk.
        """
        if self._cache_modified_count > 0:
            self.storage.write(self.cache)
            self._cache_modified_count = 0