coalringbuf
coalringbuf is Python port of CoalescingRingBuffer from LMAXCollections. coalringbuf works with:
CPython 2.x >= 2.5, 3.x >= 3.2
PyPy 1.9+
Supported platforms: platform independent.
Status
It’s usable and it passes port of original test suite. It’s currently based on LMAXCollections 1.1.0.
Usage
This port mimics original CoalescingRingBuffer API as closely as possible, however it was modified to make it more Pythonic.
Example intepreter session:
>>> from coalringbuf import CoalescingRingBuffer
>>> buffer = CoalescingRingBuffer(3)
>>> buffer.capacity
4
>>> buffer.empty
True
>>> buffer.offer('something')
True
>>> buffer.empty
False
>>> buffer.offer('something else')
True
>>> buffer.offer('quack')
True
>>> buffer.offer('id', 'value')
True
>>> buffer.size
4
>>> buffer.full
True
>>> buffer.offer('id', 'this will overwrite "value"')
True
>>> buffer.size
4
>>> buffer.offer('this will be rejected')
False
>>> buffer.size
4
>>> bucket = []
>>> buffer.poll(bucket)
4
>>> bucket
['something', 'something else', 'quack', 'this will overwrite "value"']
>>> buffer.empty
TrueTODO
implement performance tests
provide more efficient bucket class if needed
Copyright
Original implementation (C) LMAX/Nick Zeeb.
Python implementation (C) 2013 Jakub Stasiak.
This project is licensed under MIT license, see LICENSE file for details.
1 maintainer
Metadata
1 maintainer
Release files for coalringbuf 0.1.0
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| File | Size | Uploaded | Provenance | Actions |
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| coalringbuf-0.1.0.tar.gz | 3.6 kB | Without provenance | Details for coalringbuf-0.1.0.tar.gz |
Release files / coalringbuf-0.1.0.tar.gz
| Download URL | coalringbuf-0.1.0.tar.gz |
|---|---|
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| Tags | Source |
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