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https://github.com/youknowone/methodtools

Expand functools features(lru_cache) to class - methods, classmethods, staticmethods and even for (unofficial) hybrid methods.
https://github.com/youknowone/methodtools

class classmethod functools lru-cache method ring staticmethod wirerope

Last synced: 9 months ago
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Expand functools features(lru_cache) to class - methods, classmethods, staticmethods and even for (unofficial) hybrid methods.

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methodtools
===========

.. image:: https://github.com/youknowone/methodtools/actions/workflows/python-package.yml/badge.svg
.. image:: https://codecov.io/gh/youknowone/methodtools/graph/badge.svg
:target: https://codecov.io/gh/youknowone/methodtools

Expand functools features to methods, classmethods, staticmethods and even for
(unofficial) hybrid methods.

For now, methodtools only provides `methodtools.lru_cache`.

Use `methodtools` module instead of `functools` module. Than it will work as
you expected.

.. code:: python

from methodtools import lru_cache

class A(object):

# cached method. the storage lifetime follows `self` object
@lru_cache()
def cached_method(self, args):
...

# cached classmethod. the storage lifetime follows `A` class
@lru_cache() # the order is important!
@classmethod # always lru_cache on top of classmethod
def cached_classmethod(self, args):
...

# cached staticmethod. the storage lifetime follows `A` class
@lru_cache() # the order is important!
@staticmethod # always lru_cache on top of staticmethod
def cached_staticmethod(self, args):
...

@lru_cache() # just same as functools.lru_cache
def cached_function():
...

Installation
------------

PyPI is the recommended way.

.. sourcecode:: shell

$ pip install methodtools

To browse versions and tarballs, visit:
``_

.. note::
If you are working on Python 2, install also `functools32`.

See also
--------

- `Documentation `_
- This project is derived from `Ring `_,
a rich cache interface using the same method handling technique.
- To learn more about bound method dispatching, see also
`wirerope `_.