cr-connect-workflow/crc/services/cache_service.py
Dan 07eb3f9ca8 Moving metrics into SpiffWorkflow so we can run the performance metrics deeply across both systems simultaniously.
Upgrading libraries.
Fixing deprication issue with Pandas and numpy.
We can only process xlsx files now, plain oldschool xls is fully removed.
2021-06-18 16:41:55 -04:00

37 lines
959 B
Python

import time
from SpiffWorkflow import Task
cache_store = {}
import time
# first pass - meant to be down and dirty
def purge_cache(now):
dellist = []
for key in cache_store.keys():
if cache_store[key]['timeout'] < now:
dellist.append(key)
for key in dellist:
del cache_store[key]
def cache(f,timeout=60):
"""Cache the values for function for x minutes
we still have work to do to make a optional kw argument
to set the length of time to cache
"""
def cached(*args, **kw):
now = time.time()
purge_cache(now)
key =f.__name__+str(args)+str(kw)
if key in cache_store.keys():
return cache_store[key]['value']
else:
newtime = now+timeout*60
result = f(*args, **kw)
cache_store[key] ={}
cache_store[key]['value'] = result
cache_store[key]['timeout'] = newtime
return result
return cached