pip install pycacher

from pycacher import Cacher

cacher = Cacher('localhost', 11211)

@cacher.cache() 
def expensive_function(a, b):
    return a + b

expensive_function(1, 2) # will actually execute
expensive_function(1, 2) # will get the value from the cache

batcher = cacher.create_batcher()

batcher.add('test-1')
batcher.add('test-2')
batcher.add('test-3')

batcher.batch()

batcher.get_values()
>> {'test-1':'test-value-1', 'test-2':'test-value-2', 'test-3' : None} 

batcher = cacher.create_batcher()

with batcher:
     #expensive_function is a pycacher-decorated function.
     expensive_function.register(1, 2) 
     expensive_function.register(1, 3)

#batches the cache key of both those 2 function register calls.
batcher.batch()

with batcher:
     expensive_function(1, 2) #will get its value directly from the batched value
     expensive_function(1, 3)