Function _shrink_cache

src/wrf/cache.py:12–34

Shrink the cache if applicable. This only applies if a user has modified the cache size, otherwise it just returns. Returns: None

()

def _shrink_cache():
    """Shrink the cache if applicable.

    This only applies if a user has modified the cache size, otherwise it
    just returns.

    Returns:

        None

    """
    global _local_storage

    try:
        cache = _local_storage.cache
    except AttributeError:
        return

    diff = len(cache) - get_cache_size()

    if diff > 0:
        for _ in py3range(diff):
            cache.popitem(last=False)


def cache_item(key, product, value):