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Python bindings for the yahdlc library

Project Description

python4yahdlc is a Python bindings for the yahdlc library.


This software requires Python 3.


With pip (recommanded)

pip3 install python4yahdlc

From sources

git clone
cd python4yahdlc
git submodule update --init --recursive
python3 install

You need the setuptools package to execute


To generate a new HDLC data frame:

from yahdlc import *

frame = frame_data('hello world!')

To generate a new HDLC ACK frame with a specific sequence number:

frame = frame_data('', FRAME_ACK, 3)

The highest sequence number is 7 and the following frame types are available:


Note that when you generate an ACK or NACK frame, the payload is useless.

To decode a received HDLC frame:

data, ftype, seq_no = get_data(frame)

For a more advanced use, take a look at the examples available in the examples folder.


Releasing a new version

Before publishing the new release:

  • Run all tests and be sure they all pass
  • Update the VERSION variable in
  • Update if needed
  • Update the package’s metadata (description, classifiers, etc) in if needed
  • Update README.rst if needed

After having pushed the changes:

  • Edit the release note on GitHub


This project is released under the GPL version 3 license. The yahdlc library is released under the MIT license.

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