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Project Description

streamio is a simple library of functions designed to read, write and sort large files using iterators so that the operations will successfully complete on systems with limited RAM. This library has been used extensively at Griffith University whilst developing the TerraNova Climate Change and Adaptation Visualization tool(s) and processing large volumes of data. streamio is written in Python and has extensive documentation and unit tests with 100% coverage.

See the API for a list of the available functions.

Examples

Read a large text file iteratively:

from streamio import stream
f = stream("large_file.txt")

Read a large CSV file iteratively:

from streamio import jsonstream
f = stream("large_file.json")

Merge-sort a large JSON file with the key itemgetter("value"):

from operator import itemgetter
from streamio import mergesort
f = mergesort("large_file.json", key=itemgetter("value"))

Requirements

streamio also comes with documentation and a full comprehensive unit test suite which require the following:

To build the docs:

To run the unit tests:

Installation

The simplest and recommended way to install streamio is with pip. You may install the latest stable release from PyPI with pip:

> pip install streamio

If you do not have pip, you may use easy_install:

> easy_install streamio

Alternatively, you may download the source package from the PyPI Page or the Downloads page on the Project Website; extract it and install using:

> python setup.py install

You can also install the latest-development version by using pip or easy_install:

> pip install streamio==dev

or:

> easy_install streamio==dev

For further information see the streamio documentation.

Supported Platforms

  • Linux, FreeBSD, Mac OS X
  • Python 2.7
  • PyPy 2.2
Windows: We acknowledge that Windows exists and make reasonable efforts
to maintain compatibility. Unfortunately we cannot guarantee support at this time.

Changes

streamio 0.0.9 (2014-02-27)

  • Bumped py 1.4.19 -> 1.4.20

streamio 0.0.8 (2014-02-13)

  • Fixed Unicode support for csvstream adding unicodecsv as a new dependency.

streamio 0.0.7 (2014-01-29)

  • Forgot to include required README.rst and CHANGES.rst

streamio 0.0.6 (2014-01-29)

  • Don’t include fabfile and tests (for now) in the resulting egg
  • Make mergesort show progress optionally via progress=True

streamio 0.0.5 (2014-01-16)

  • Added encoding parameter support to *stream() function(s).

streamio 0.0.4 (2013-11-22)

  • Added streamio.stream.compress function for compressing an iterable using zlib compression.
  • Loosended requirements on py and progress

streamio 0.0.3 (2013-11-21)

  • Fixed broken link to the API Docs.

streamio 0.0.2 (2013-11-21)

  • Added some examples
  • Fixed a few typos

streamio 0.0.1 (2013-11-21)

  • Initial Public Release
Release History

Release History

0.0.9

This version

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0.0.8

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0.0.7

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0.0.6

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0.0.5

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0.0.4

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Donec et mollis dolor. Praesent et diam eget libero egestas mattis sit amet vitae augue. Nam tincidunt congue enim, ut porta lorem lacinia consectetur. Donec ut libero sed arcu vehicula ultricies a non tortor. Lorem ipsum dolor sit amet, consectetur adipiscing elit.

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0.0.3

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0.0.2

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0.0.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
streamio-0.0.9-py2.7.egg (14.9 kB) Copy SHA256 Checksum SHA256 2.7 Egg Feb 27, 2014
streamio-0.0.9.tar.gz (13.7 kB) Copy SHA256 Checksum SHA256 Source Feb 27, 2014

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