Top "Functools" questions

What does functools.wraps do?

In a comment on this answer to another question, someone said that they weren't sure what functools.wraps was doing. …

python decorator functools

How does functools partial do what it does?

I am not able to get my head on how the partial works in functools. I have the following code …

python functional-programming partial-application functools

functools.partial on class method

I'm trying to define some class methods using another more generic class method as follows: class RGB(object): def __init__(…

python exception methods functools

itertools.accumulate() versus functools.reduce()

In Python 3.3, itertools.accumulate(), which normally repeatedly applies an addition operation to the supplied iterable, can now take a function …

python itertools python-3.3 functools

Python functools lru_cache with class methods: release object

How can I use functools' lru_cache inside classes without leaking memory? In the following minimal example the foo instance …

python caching python-decorators lru functools

Usage for lru cache in functools

I want to use lru_cache in my code, however, I get this error: NameError: name 'lru_cache' is not …

python lru functools

Dynamically created method and decorator, got error 'functools.partial' object has no attribute '__module__'

I am currently using EndpointsModel to create a RESTful API for all my models on AppEngine. Since it is RESTful, …

python google-app-engine google-cloud-endpoints functools endpoints-proto-datastore

Use functools' @lru_cache without specifying maxsize parameter

The documentation for lru_cache gives the function definition: @functools.lru_cache(maxsize=128, typed=False) This says to me that …

python caching lru functools

Python3 pass lists to function with functools.lru_cache

I want to cache a function that takes a list as a parameter, but when I try to do so …

python python-3.x functools

python equivalent of functools 'partial' for a class / constructor

I want to create a class that behaves like collections.defaultdict, without having the usage code specify the factory. EG: …

python partial functools