# qdafile

**Repository Path**: mirrors_cgohlke/qdafile

## Basic Information

- **Project Name**: qdafile
- **Description**: Read and write QDA files.
- **Primary Language**: Unknown
- **License**: BSD-3-Clause
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-11-23
- **Last Updated**: 2026-05-17

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

..
  This file is generated by setup.py

Read and write QDA files
========================

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
<http://www.synergy.com>`_.

Qdafile is no longer being actively developed.

:Author: `Christoph Gohlke <https://www.cgohlke.com>`_
:License: BSD-3-Clause
:Version: 2026.1.8

Requirements
------------

This revision was tested with the following requirements and dependencies
(other versions may work):

- `CPython <https://www.python.org>`_ 3.11.9, 3.12.10, 3.13.11, 3.14.2 64-bit
- `NumPy <https://pypi.org/project/numpy/>`_ 2.4.0

Revisions
---------

2026.1.8

- Improve code quality and typing.
- Drop support for Python 3.10, support Python 3.14.

2025.1.1

- Improve type hints.
- Drop support for Python 3.9, support Python 3.13.

2024.5.24

- …

Refer to the CHANGES file for older revisions.

Examples
--------

.. code-block:: python

    >>> from qdafile import QDAfile
    >>> QDAfile().write('_empty.qda')
    >>> QDAfile(
    ...     [[1.0, 2.0, 0.0], [3.0, 4.0, 5.0], [6.0, 7.0, 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: ['X', 'Y', 'Z']
      dtypes: ['>f8', '>i4', '>f4']
    >>> qda.headers[2]
    'Z'
    >>> qda[2, : qda.rows[2]]
    array([6., 7.])