parse_cache_control_header(value, on_update=None, cls=None)[source]¶
Parse a cache control header. The RFC differs between response and request cache control, this method does not. It’s your responsibility to not use the wrong control statements.
New in version 0.5: The cls was added. If not specified an immutable
- value – a cache control header to be parsed.
- on_update – an optional callable that is called every time a value
CacheControlobject is changed.
- cls – the class for the returned object. By default
a cls object.