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A Python package which provides tools to convert files to and from IDX format (described at http://yann.lecun.com/exdb/mnist/) into numpy.ndarray.

Project description

idx2numpy

Build Status

idx2numpy package provides a tool for converting files to and from IDX format to numpy.ndarray. You can meet files in IDX format, e.g. when you're going to read the MNIST database of handwritten digits provided by Yann LeCun.

The description of IDX format also can be found on this page.

Installation

The easiest way to install is by using pip to pull it from PyPI:

pip install idx2numpy

You can also clone the Git repository from Github and install the package manually:

git clone https://github.com/ivanyu/idx2numpy.git
python setup.py install

Usage

import idx2numpy

# Reading
ndarr = idx2numpy.convert_from_file('myfile.idx')

f_read = open('myfile.idx', 'rb')
ndarr = idx2numpy.convert_from_file(f_read)

s = f_read.read()
ndarr = idx2numpy.convert_from_string(s)

# Writing    
idx2numpy.convert_to_file('myfile_copy.idx', ndarr)

f_write = open('myfile_copy2.idx', 'wb')
idx2numpy.convert_to_file(f_write, ndarr)

s = convert_to_string(ndarr)

License

MIT license (see LICENSE file)

Project details


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idx2numpy-1.2.3.tar.gz (6.8 kB view details)

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