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MMap File-Backed Arrays for Python

Project Description

© 2014 Farsight Security Inc.

© 2010 Victor Ng

Released under the MIT license. See license.txt.

About

This library provides persistent, shared, disk-backed arrays with a similar structure to the built-in array module. You might want to use this if you have a dataset that is larger than available physical memory, or if you want to reduce startup time for your program by loading data on demand, or if you want yet another way to share memory between processes.

Compatible with Python 2.7 and Python 3.x. Supports locked pages on Linux >= 2.5.37 with the want_lock parameter to mmaparray.array() and mmaparray.MMap<type>Array.__init__().

Usage

import mmapfile

a = mmapfile.array('example.array', 'I', 100)
for i in range(0, len(a)):
    a[i] = i

for i, val in enumerate(a):
    print ('a[{}] = {}'.format(i, val))

a.flush()
a.close()

Release History

This version
History Node

0.4

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0.3

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0.2.1

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0.2

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Filename, Size & Hash SHA256 Hash Help File Type Python Version Upload Date
mmaparray-0.4.tar.gz
(8.2 kB) Copy SHA256 Hash SHA256
Source None Oct 21, 2014

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