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.. _pyinstaller:
Freezing PyVista with PyInstaller
=================================
You can make some fantastic standalone programs with ``pyinstaller``
and ``pyvista``, and you can even make a graphical user interface
incorporating ``PyQt5`` or ``pyside2``. Depending on your version of
VTK, this requires some extra steps to setup.
When running VTK v9, you need to add several additional
``hiddenimports``. For clarity and completeness, create a spec file
(we'll name it ``pyvista.spec``) following the directions given at
`Using Spec Files <https://pyinstaller.readthedocs.io/en/stable/spec-files.html>`__. Modify the ``Analysis`` and add the following hidden imports:
.. code:: python
main_py = os.path.join(some_path, "main.py")
a = Analysis(
[main_py],
pathex=[],
binaries=[],
hiddenimports=[
"vtkmodules",
"vtkmodules.all",
"vtkmodules.qt.QVTKRenderWindowInteractor",
"vtkmodules.util",
"vtkmodules.util.numpy_support",
"vtkmodules.numpy_interface.dataset_adapter",
],
)
From there, you can freeze an application using ``pyvista`` and create
a standalone application.
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