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Wrap functions in class with decorator #625

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@Dreamsorcerer

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@Dreamsorcerer
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The decorator should be simplified to a simple function, which should then return an object which wraps the passed function. Something along the lines of:

class Wrapper:
    def __init__(self, func):
        self.func = func

    def __call__(self, *args, **kwargs):
        # Get from cache...
        # Or call self.func(*args, **kwargs)

def cached(func):
    return Wrapper(func)

This simplifies the logic, and makes it easy to add methods on to our function (related: #538). For example, to call the function while forcing the cache to update could look something like:

@cached
def foo(...):
    ...

# Force update
foo.refresh(...)

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added this to the 1.0 milestone on Jan 2, 2023
slingshotsys

slingshotsys commented on May 30, 2024

@slingshotsys

+1 for this feature, it would be great (especially for unit testing) to be able to call a function without the cache interfering, just like async-lru's cache_invalidate() method

mavwolverine

mavwolverine commented on Jan 17, 2025

@mavwolverine

I think the cache_invalidate should work on two levels:

  1. Individual function call arguments - get_user(user_id) if the user object was updated in the DB.
  2. Namespace level - if there was some bulk change to a particular type of data.
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        Wrap functions in class with decorator · Issue #625 · aio-libs/aiocache