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A package that builds blender

Project description

bpy-build

Python build script for Blender as a python module

It needs to be its own repository to satisfy the setup_requires of blenderpy

Option 1 - Get prebuilt bdist_wheel from pypi

Prerequisites

  1. A supported python installation with pip installed

Installation

py -m pip install bpy

Option 2 - Build from sources using pypi

Prerequisites

  1. Windows users must have Visual Studio 2013 or later and C++ build tools installed to build from sources
  2. Windows users must have an SVN command-line provider to build from sources (see https://stackoverflow.com/questions/1625406/using-tortoisesvn-via-the-command-line)
  3. All users must py -m pip install cmake in their python environment to build from sources (currently adding it as a setup_requires does not install it properly); after build it may be uninstalled with py -m pip uninstall cmake
  4. Users of Python versions below 3.6 must have future-fstrings installed pip install -U future-fstrings
  5. Users of Python versions 3.4 and below will probably need to update setuptools pip install -U setuptools
  6. Up-to-date wheel

Installation

py -m pip install bpy --no-binary

How it works

  1. Create overriding classes CMakeExtension & BuildCMake, which inheirit from the setuptools classes; bpy is a python extension (.pyd) and an instance of CMakeExtension, BuildCMake is the command that is run when installing the extension from pip (or running setup.py)
  2. Using GitPython, clone Blender sources from https://git.blender.org/
  3. If on Windows, detect the installed version of Visual Studio and 64bit vs 32bit, and download the appropriate svn library based on that
  4. Using cmake, configure blender as a python module per the Ideasman42 wiki page (now defunct) https://wiki.blender.org/wiki//User:Ideasman42/BlenderAsPyModule; configure this build solution in the build_temp directory of the bpy package
  5. Using cmake, build the configured solution
  6. Place the built binaries in the built extension parent directory (important!)
  7. Relocate the /<Version> directory (i.e: /2.79) into the directory containing the executable from which this installation was spawned (where 'python.exe' is)
  8. Clean up using the remaining functionality from the superclasses build_ext and Extension
  9. bpy.pyd/ .so should now be installed into the site-packages

Project details


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