def __init__(self, cache, *args, **kwargs):
if isinstance(cache, Number):
cache = cachey.Cache(cache, *args, **kwargs)
else:
assert not args and not kwargs
self.cache = cache
self.starttimes = dict()
def __init__(self, cache, *args, **kwargs):
try:
import cachey
except ImportError as ex:
raise ImportError('Cache requires cachey, "{ex}" problem '
"importing".format(ex=str(ex))) from ex
self._nbytes = cachey.nbytes
if isinstance(cache, Number):
cache = cachey.Cache(cache, *args, **kwargs)
else:
assert not args and not kwargs
self.cache = cache
self.starttimes = dict()
def __init__(self, available_bytes_in_process):
self.misses = 0
self.hits = 0
def miss(key):
self.misses += 1
if __debug__:
logger.debug("Miss %r", key)
def hit(key, value):
self.hits += 1
if __debug__:
logger.debug("Hit %r", key)
self._cache = cachey.Cache(available_bytes_in_process,
0,
miss=miss,
hit=hit)
self._dask_context = DaskCache(self)
def cache(self) -> cachey.Cache:
"""Returns the :class:`cachey.Cache` instance used by the FastAPI application."""
if self._cache is None:
self._cache = cachey.Cache(**self._cache_kws)
return self._cache