def wrapper(wrappingobj: CacheableObject, *args: Any,
**kwargs: Any) -> Any:
function_sig = f.__name__
for arg in args:
function_sig += str(arg)
for _, value in kwargs.items():
function_sig += str(value)
# TODO: Do I really need hash() here?
cache_key = hash(function_sig)
with wrappingobj.lock:
now = ts_now()
if cache_key in wrappingobj.results_cache:
cache_life_secs = now - wrappingobj.results_cache[
cache_key].timestamp
cache_miss = (cache_key not in wrappingobj.results_cache
or cache_life_secs >= wrappingobj.cache_ttl_secs)
if cache_miss:
result = f(wrappingobj, *args, **kwargs)
with wrappingobj.lock:
wrappingobj.results_cache[cache_key] = ResultCache(
result, now)
return result
# else hit the cache
with wrappingobj.lock:
return wrappingobj.results_cache[cache_key].result
def wrapper(wrappingobj, *args):
with wrappingobj.lock:
now = ts_now()
cache_miss = (
f.__name__ not in wrappingobj.results_cache or
now - wrappingobj.results_cache[f.__name__].timestamp > seconds
)
if cache_miss:
result = f(wrappingobj, *args)
with wrappingobj.lock:
wrappingobj.results_cache[f.__name__] = ResultCache(result, now)
return result
# else hit the cache
with wrappingobj.lock:
return wrappingobj.results_cache[f.__name__].result
def wrapper(wrappingobj, *args):
with wrappingobj.lock:
now = ts_now()
if f.__name__ in wrappingobj.results_cache:
cache_life_secs = now - wrappingobj.results_cache[f.__name__].timestamp
cache_miss = (
f.__name__ not in wrappingobj.results_cache or
cache_life_secs > wrappingobj.cache_ttl_secs
)
if cache_miss:
result = f(wrappingobj, *args)
with wrappingobj.lock:
wrappingobj.results_cache[f.__name__] = ResultCache(result, now)
return result
# else hit the cache
with wrappingobj.lock:
return wrappingobj.results_cache[f.__name__].result
def wrapper(wrappingobj: CacheableObject, *args: Any,
**kwargs: Any) -> Any:
ignore_cache = kwargs.pop('ignore_cache', False)
cache_key = _function_sig_key(f.__name__, False, *args, **kwargs)
now = ts_now()
if ignore_cache is False:
# Check the cache
if cache_key in wrappingobj.results_cache:
cache_life_secs = now - wrappingobj.results_cache[
cache_key].timestamp
cache_miss = (ignore_cache is True
or cache_key not in wrappingobj.results_cache
or cache_life_secs >= wrappingobj.cache_ttl_secs)
if cache_miss:
# Call the function, write the result in cache and return it
result = f(wrappingobj, *args, **kwargs)
wrappingobj.results_cache[cache_key] = ResultCache(result, now)
return result
# else hit the cache and return it
return wrappingobj.results_cache[cache_key].result
