Efficient function output caching based on input files and other parameters to the function.
Project description
good_cache
good_cache
is a Python library that caches the output of your functions. If your function has to read large files as its input or if it has to read files in a directory, and optionally some non-file function parameter values such as a str, int, bool, etc. values then good_cache
can remember the input combination and return the ouput to the caller as long as the input combination has been seen (and cached) by good_cache
previously.
Here is an article that goes into some detail about good_cache
:
Here is the GitHub repo:
Here is the pip command to install it:
pip install good_cache
Here’s a simple example of how you might use good_cache:
from good_cache import fs_files_cache
@fs_files_cache(files='filenames')
def sum_numbers_in_files(filenames):
result = 0
for filename in filenames:
with open(filename, 'rt') as file:
numbers = list(map(int, file.readlines()))
result += sum(numbers)
return result
Here's an example of how you can evict a previous cache for a particular parameter(s)
evicted = sum_numbers_in_files.evict(['a.txt', 'b.txt'])
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