PyFFI

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The Python File Format Interface, briefly PyFFI, is an open source Python library for processing block structured binary files:

• Simple: Reading, writing, and manipulating complex binary files in a Python environment is easy! Currently, PyFFI supports the NetImmerse/Gamebryo NIF and KFM formats, CryTek's CGF format, the FaceGen EGM format, the DDS format, and the TGA format.

• Batteries included: Many tools for files used by 3D games, such as optimizers, stripifier, tangent space calculator, 2d/3d hull algorithms, inertia calculator, as well as a general purpose file editor QSkope (using PyQt4 <http://www.riverbankcomputing.co.uk/software/pyqt/download>_), are included.

• Modular: Its highly modular design makes it easy to add support for new formats, and also to extend existing functionality.

Download

Get PyFFI from Github <https://github.com/niftools/pyffi/releases>_, or install it with::

easy_install -U PyFFI

or::

pip3 install PyFFI

Developing

To get the latest (but possibly unstable) code, clone PyFFI from its Git repository <http://github.com/niftools/pyffi>_::

git clone --recursive git://github.com/niftools/pyffi.git
virtualenv -p python3 venv
source venv/bin/activate
pip install -r requirements/requirements-dev.txt

Be sure to use the --recursive flag to ensure that you also get all of the submodules.

If you wish to code on PyFFI and send your contributions back upstream, get a github account <https://github.com/signup/free>_ and fork PyFFI <http://help.github.com/fork-a-repo/>_.

Testing

We love tests, they help guarantee that things keep working they way they should. You can run them yourself with the following::

source venv/bin/activate
nosetest -v test

or::

source venv/bin/activate
py.test -v tests

Documentation

All our documentation is written in ReST and can be generated into HTML, LaTeX, PDF and more thanks to Sphinx. You can generate it yourself::

source venv/bin/activate
cd docs
make html -a

Examples

• The Blender NIF Plugin <https://github.com/niftools/blender_nif_plugin>_

• QSkope PyFFI's general purpose file editor.

• The niftoaster (PyFFI's "swiss army knife") can for instance optimize NIF files <http://cs.elderscrolls.com/index.php?title=Nif_Optimization>_, and much more.

Questions? Suggestions?

• Open an issue at the issue tracker <https://github.com/niftools/pyffi/issues>_.

.. See http://www.niftools.org/ for more information and documentation.