sascha/devlib
1
0
Fork 0
mirror of https://github.com/ARM-software/devlib.git synced 2025-01-31 10:10:46 +00:00
Code Issues Releases Wiki Activity

utils/misc: document memoized limitation

Browse Source 
Document the issue with using memoized with mutable types.
This commit is contained in:
Sergei Trofimov 2018-11-14 13:30:07 +00:00 committed by Marc Bonnici
parent 94c1339efd
commit a3c04fc140
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
devlib/utils/misc.py
View File

@ -648,7 +648,15 @@ def __get_memo_id(obj):
@wrapt.decorator @wrapt.decorator
def memoized(wrapped, instance, args, kwargs): # pylint: disable=unused-argument def memoized(wrapped, instance, args, kwargs): # pylint: disable=unused-argument
"""A decorator for memoizing functions and methods.""" """
A decorator for memoizing functions and methods.
.. warning:: this may not detect changes to mutable types. As long as the
memoized function was used with an object as an argument
before, the cached result will be returned, even if the
structure of the object (e.g. a list) has changed in the mean time.
"""
func_id = repr(wrapped) func_id = repr(wrapped)
def memoize_wrapper(*args, **kwargs): def memoize_wrapper(*args, **kwargs):