Signal pattern style function callbacks

signal.py

# some arbitrary functions to call
def func1():
    print("called func1")

def func2():
    print("called func2")


#register the methods with 'tags' tuples
dee = {
    ('foo', 'bar', 'baz'): func1,
    ('foo', 'drum'): func2
}

# call any func with the 'foo' tag
key = 'foo'

# call any function that contains the tag 'foo'
for tag, func in dee.items():
    if key in tag:
        dee[tag]()