A basic Python package to store files in a LRU cache.
A tool to provide a LRU cache on files.
It has been created to store gigabytes of Thumbor thumbnails on a DigitalOcean server.
from pycachu import Pycachu # Initialize the cache # The dir has to exist p = Pycachu('/storage/pycachu', 20 * (1024 ** 3)) # Get a file f = p.get('/some/file') if f is not None: yield f f.close() else: content = generate_file_content() p.put('/some/file', content) content.seek(0) yield content content.close()
The performance is not exceptional, but operations basically take a constant time independently of the number of files in the cache, which is not too bad.
Rough benchmarking gave about 170 get per second.
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