python.decorators.cached Namespace Reference

Functions
def	cached (func)
	Decorator to cache function return value. More...

Function Documentation

cached()

def python.decorators.cached.cached

(

func

)

Decorator to cache function return value.

Parameters

func	Function being cached

Author

James Robinson james.nosp@m..rob.nosp@m.inson.nosp@m.@cer.nosp@m.n.ch

Definition at line 6 of file cached.py.

def cached(func):
    """! Decorator to cache function return value.
 
    @param func Function being cached
 
    @author James Robinson <james.robinson@cern.ch>
    """
    cache = {}
 
    @wraps(func)
    def wrapped_f(*args):
        if args in cache:
            return cache[args]
        else:
            return_value = func(*args)
            cache[args] = return_value
            return return_value
    return wrapped_f