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Read and write QDA files

Project description

Qdafile is a Python library to read and write KaleidaGraph(tm) version 3.x QDA data files.

KaleidaGraph is a registered trademark of Abelbeck Software.

Qdafile is no longer being actively developed.

Author:

Christoph Gohlke

License:

BSD 3-Clause

Version:

2021.6.6

Requirements

Revisions

2021.6.6

Support os.PathLike file names. Remove support for Python 3.6 (NEP 29).

2020.1.1

Remove support for Python 2.7 and 3.5.

Examples

>>> from qdafile import QDAfile
>>> QDAfile().write('_empty.qda')
>>> QDAfile(
...     [[1.0, 2.0, 0.], [3.0, 4.0, 5.0], [6.0, 7.0, 0.]],
...     rows=[2, 3, '2'],
...     headers=['X', 'Y', 'Z'],
...     dtypes=['>f8', '>i4', '>f4'],
... ).write('_test.qda')
>>> qda = QDAfile('_test.qda')
>>> print(qda)
QDAfile
 _test.qda
 file id: 12
 columns: 3
 rows: [2, 3, 2]
 headers: [b'X', b'Y', b'Z']
 dtypes: ['>f8', '>i4', '>f4']
>>> qda.headers[2]
b'Z'
>>> qda[2, :qda.rows[2]]
array([6., 7.])

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