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Project Description

npTDMS is a cross-platform Python package for reading and writing TDMS files as produced by LabVIEW, and is built on top of the numpy package. Data read from a TDMS file is stored in numpy arrays, and numpy arrays are also used when writing TDMS file.

Typical usage when reading a TDMS file might look like:

from nptdms import TdmsFile

tdms_file = TdmsFile("path_to_file.tdms")
channel = tdms_file.object('Group', 'Channel1')
data = channel.data
time = channel.time_track()
# do stuff with data

And to write a file:

from nptdms import TdmsWriter, ChannelObject
import numpy

with TdmsWriter("path_to_file.tdms") as tdms_writer:
    data_array = numpy.linspace(0, 1, 10)
    channel = ChannelObject('Group', 'Channel1', data_array)
    tdms_writer.write_segment([channel])

For more information, see the npTDMS documentation.

Installation

npTDMS is available from the Python Package Index, so the easiest way to install it is by running (as root):

pip install npTDMS

Alternatively, after downloading the source code you can extract it and change into the new directory, then run:

python setup.py install

What Currently Doesn’t Work

This module doesn’t support TDMS files with XML headers or with extended floating point data.

Contributors/Thanks

Thanks to Floris van Vugt who wrote the pyTDMS module, which helped when writing this module.

Thanks to Tony Perkins, Ruben De Smet, Martin Hochwallner and Peter Duncan for contributing support for converting to Pandas DataFrames.

Thanks to nmgeek and jshridha for implementing support for DAQmx raw data files.

Release History

Release History

0.11.2

This version

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0.11.1

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0.11.0

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0.10.3

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0.10.2

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0.10.1

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0.10.0

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0.9.0

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0.8.2

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0.8.1

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0.8.0

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0.7.2

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0.7.1

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0.7.0

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0.6.4

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0.6.3

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0.6.2

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0.6.1

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0.6

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0.5

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0.4.2

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0.4.1

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0.3.0

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0.2.3

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0.2.2

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0.2.1

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0.2.0

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0.1.2

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0.1.1

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0.1.0

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
npTDMS-0.11.2-py2.py3-none-any.whl (28.4 kB) Copy SHA256 Checksum SHA256 2.7 Wheel May 20, 2017
npTDMS-0.11.2.tar.gz (29.0 kB) Copy SHA256 Checksum SHA256 Source May 20, 2017

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