qdafile

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:: 2026.1.8

Requirements

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

CPython 3.11.9, 3.12.10, 3.13.11, 3.14.2 64-bit
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

>>> 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.])

Metadata

Release files for qdafile 2026.1.8

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for qdafile 2026.1.8
File	Size	Uploaded
qdafile-2026.1.8.tar.gz	7.7 kB	Jan 8, 2026	Details

Built distribution (wheel)

Table of built distributions (wheels) for qdafile 2026.1.8
File	Interpreter	ABI	Platform	Reset
qdafile-2026.1.8-py3-none-any.whl 8.0 kB Jan 8, 2026	Python 3	none	any	Details

Total release size: 15.7 kB

Release files / qdafile-2026.1.8.tar.gz

Download URL	qdafile-2026.1.8.tar.gz
Size	7.7 kB
Tags	Source
SHA-256 checksum How to use checksums	`9bcbf468b967021c00fdbb8c29dbbe99a77d1275f3df75861fdedc9978cf178a`
BLAKE2b-256 checksum How to use checksums	`ef8200253adcfb775b32cc30d5ac0915a2233a6b78cd9c3d8899cdf2a97a6f8c`
Upload date	Jan 8, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.13.11`

Release files / qdafile-2026.1.8-py3-none-any.whl

Download URL	qdafile-2026.1.8-py3-none-any.whl
Size	8.0 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`fab873414797448024fcce396db5fc3b804f13e19bd25a51bb4d442fb3d06261`
BLAKE2b-256 checksum How to use checksums	`fb253c0ba844c5e97253860865d3b0e4983c9bdccf5b064940ef79ee7bcf711b`
Upload date	Jan 8, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.2.0 CPython/3.13.11`