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Installation
============
There are different methods of installation, depending on your situation.
1. **Unstable installation** is recommended for power users helping with testing.
2. **Bundling for Blender** is recommended for distributing the add-on.
3. **Live development environment** is recommended for developers who are actively coding.
4. **Packaged installation** is recommended for those who use a package manager.
Unstable installation
---------------------
**Unstable installation** is almost the same as **Stable installation**, except
that they are typically updated every day. Simply download a daily build from
the `Github releases page
<https://github.com/IfcOpenShell/IfcOpenShell/releases>`__, then follow the same
instructions as the **Stable installation**.
You will need to choose which build to download.
- If you are on Blender >=3.1, choose py310
- If you are on Blender >=2.93 and <3.1, choose py39
- Choose ``linux``, ``macos``, ``macosm1`` (for Apple M1 devices), or ``win``
depending on your operating system
Sometimes, a build may be delayed, or contain broken code. We try to avoid this,
but it happens.
Bundling for Blender
--------------------
Instead of waiting for an official release on the BlenderBIM Add-on website, it
is possible to make your own Blender add-on from the bleeding edge source code
of BlenderBIM. BlenderBIM is coded in Python and doesn't require any
compilation, so this is a relatively easy process.
Note that the BlenderBIM Add-on does depend on IfcOpenShell, and IfcOpenShell
does require compilation. The following instructions will use a pre-built
IfcOpenShell (using an IfcOpenBot build) for convenience. Instructions on how to
compile IfcOpenShell is out of scope of this document.
You can create your own package by using the Makefile as shown below. You can
choose between a ``PLATFORM`` of ``linux``, ``macos``, ``macosm1``, and ``win``.
You can choose between a ``PYVERSION`` of ``py39``, or ``py310``.
::
$ cd src/blenderbim
$ make dist PLATFORM=linux PYVERSION=py310
$ ls dist/
This will give you a fully packaged Blender add-on zip that you can distribute
and install.
Live development environment
----------------------------
One option for developers who want to actively develop from source is to follow
the instructions from **Bundling for Blender**. However, creating a build,
uninstalling the old add-on, and installing a new build is a slow process.
Although it works, it is very slow, so we do not recommend it.
A more rapid approach is to follow the **Unstable installation** method, as this
provides all dependencies for you out of the box.
Once you've done this, you can replace certain Python files that tend to be
updated frequently with those from the Git repository. We're going to use
symlinks (Windows users can use ``mklink``), so we can code in our Git
repository, and see the changes in our Blender installation (you will need to
restart Blender to see changes).
For Linux or Mac:
.. code-block:: console
$ git clone https://github.com/IfcOpenShell/IfcOpenShell.git
$ cd IfcOpenShell
# path to BlenderBIM addon
# default path on Mac: "/Users/$USER/Library/Application Support/Blender/X.X/scripts/addons/blenderbim"
# default path on Linux: "$HOME/.config/blender/X.X/"
$ BLENDER_ADDON_PATH="/path/to/blender/X.XX/scripts/addons/blenderbim"
# Remove the Blender add-on Python code
$ rm -r $BLENDER_ADDON_PATH/core/
$ rm -r $BLENDER_ADDON_PATH/tool/
$ rm -r $BLENDER_ADDON_PATH/bim/
# Replace them with links to the Git repository
$ ln -s $PWD/src/blenderbim/blenderbim/core $BLENDER_ADDON_PATH/core
$ ln -s $PWD/src/blenderbim/blenderbim/tool $BLENDER_ADDON_PATH/tool
$ ln -s $PWD/src/blenderbim/blenderbim/bim $BLENDER_ADDON_PATH/bim
# Remove the IfcOpenShell dependency Python code
$ rm -r $BLENDER_ADDON_PATH/libs/site/packages/ifcopenshell/api
$ rm -r $BLENDER_ADDON_PATH/libs/site/packages/ifcopenshell/util
# Replace them with links to the Git repository
$ ln -s $PWD/src/ifcopenshell-python/ifcopenshell/api $BLENDER_ADDON_PATH/libs/site/packages/ifcopenshell/api
$ ln -s $PWD/src/ifcopenshell-python/ifcopenshell/util $BLENDER_ADDON_PATH/libs/site/packages/ifcopenshell/util
# Manually download some third party dependencies
$ cd $BLENDER_ADDON_PATH/bim/data/gantt
$ wget https://raw.githubusercontent.com/jsGanttImproved/jsgantt-improved/master/dist/jsgantt.js
$ wget https://raw.githubusercontent.com/jsGanttImproved/jsgantt-improved/master/dist/jsgantt.css
$ cd $BLENDER_ADDON_PATH/bim/schema
$ wget https://github.com/BrickSchema/Brick/releases/download/nightly/Brick.ttl
Or, if you're on Windows, you can use the batch script below.
Before running it follow the instructions descibed after `rem` tags.
.. code-block:: bat
@echo off
rem SETUP BLENDER-BIM LIVE DEVELOPMENT ENVIRONMENT
rem Setup blenderbim addon location below (probably just need to change "x.x" for your Blender version).
rem Put the script to the folder where IfcOpenShell git repository is located
rem (script will try to clone IfcOpenShell.git if it's not present).
SET blenderbim=%appdata%\Blender Foundation\Blender\x.x\scripts\addons\blenderbim
git clone https://github.com/IfcOpenShell/IfcOpenShell.git
cd IfcOpenShell
echo Removing the Blender add-on Python code...
rd /S /Q "%blenderbim%\core\"
rd /S /Q "%blenderbim%\tool\"
rd /S /Q "%blenderbim%\bim\"
echo Replacing them with links to the Git repository...
mklink /D "%blenderbim%\core" "%cd%\src\blenderbim\blenderbim\core"
mklink /D "%blenderbim%\tool" "%cd%\src\blenderbim\blenderbim\tool"
mklink /D "%blenderbim%\bim" "%cd%\src\blenderbim\blenderbim\bim"
echo Remove the IfcOpenShell dependency Python code...
rd /S /Q "%blenderbim%\libs\site\packages\ifcopenshell\api"
rd /S /Q "%blenderbim%\libs\site\packages\ifcopenshell\util"
echo Replacing them with links to the Git repository...
mklink /D "%blenderbim%\libs\site\packages\ifcopenshell\api" "%cd%\src\ifcopenshell-python\ifcopenshell\api"
mklink /D "%blenderbim%\libs\site\packages\ifcopenshell\util" "%cd%\src\ifcopenshell-python\ifcopenshell\util"
echo Manually downloading some third party dependencies...
curl https://raw.githubusercontent.com/jsGanttImproved/jsgantt-improved/master/dist/jsgantt.js -o "%blenderbim%\bim\data\gantt\jsgantt.js"
curl https://raw.githubusercontent.com/jsGanttImproved/jsgantt-improved/master/dist/jsgantt.css -o "%blenderbim%\bim\data\gantt\jsgantt.css"
curl -L https://github.com/BrickSchema/Brick/releases/download/nightly/Brick.ttl -o "%blenderbim%\bim\schema\Brick.ttl"
pause
After you modify your code in the Git repository, you will need to restart
Blender for the changes to take effect.
The downside with this approach is that if a new dependency is added, or a
compiled dependency version requirement has changed, or the build system
changes, you'll need to fix your setup manually. But this is relatively rare.
Reviewing the Makefile history, `here <https://github.com/IfcOpenShell/IfcOpenShell/commits/v0.7.0/src/blenderbim/Makefile>`__, is one quick way to see if a dependency has changed.
.. seealso::
There is a `useful Blender Addon
<https://blenderartists.org/uploads/short-url/yto1sjw7pqDRVNQzpVLmn51PEDN.zip>`__
(see `forum thread
<https://blenderartists.org/t/reboot-blender-addon/640465/13>`__) that adds
a Reboot button in File menu. In this way, it's possible to directly
restart Blender and test the modified source code. There is also a VS Code
add-on called `Blender Development
<https://marketplace.visualstudio.com/items?itemName=JacquesLucke.blender-development>`__
that has a similar functionality.
Packaged installation
---------------------
- **Arch Linux**: `Direct from Git <https://aur.archlinux.org/packages/ifcopenshell-git/>`__.
- **Chocolatey on Windows**: `Unstable <https://community.chocolatey.org/packages/blenderbim-nightly/>`__.
Tips for package managers
-------------------------
If you are interested in packaging the BlenderBIM Add-on for a packaging
manager, read on.
The BlenderBIM Add-on is fully contained in the ``blenderbim/`` subfolder of the
Blender add-ons directory. This is typically distributed as a zipfile as per
Blender add-on conventions. Within this folder, you'll find the following file
structure:
::
core/ (Blender agnostic core code)
tool/ (Blender specific logic)
bim/ (Blender specific UI)
libs/ (dependencies)
__init__.py
This corresponds to the structure found in the source code `here
<https://github.com/IfcOpenShell/IfcOpenShell/tree/v0.7.0/src/blenderbim/blenderbim>`__.
The BlenderBIM Add-on is complex, and requires many dependencies, including
Python modules, binaries, and static assets. When packaged for users, these
dependencies are bundled with the add-on for convenience.
If you choose to install the BlenderBIM Add-on and use your own system
dependencies, the source of truth for how dependencies are bundled are found in
the `Makefile
<https://github.com/IfcOpenShell/IfcOpenShell/blob/v0.7.0/src/blenderbim/Makefile>`__.
Required Python modules to be stored in ``libs/site/packages/`` are:
::
ifcopenshell
bcf
ifcclash
bimtester
ifccobie
ifcdiff
ifccsv
ifcpatch
ifcp6
pystache
svgwrite
dateutil
isodate
networkx
https://github.com/Andrej730/aud/archive/refs/heads/master-reduced-size.zip
deepdiff
jsonpickle
ordered_set
pyparsing
xmlschema
elementpath
six
lark-parser
hppfcl
behave
parse
parse_type
xlsxwriter
odfpy
defusedxml
boto3
botocore
jmespath
s3transfer
ifcjson
Notes:
1. ``ifcopenshell`` almost always requires the latest version due to the fast paced nature of the add-on development.
2. ``behave`` requires `patches <https://github.com/IfcOpenShell/IfcOpenShell/tree/v0.7.0/src/ifcbimtester/patch>`__.
3. ``ifcjson`` can be found `here <https://github.com/IFCJSON-Team/IFC2JSON_python/tree/master/file_converters>`__.
Required static assets are:
::
bim/data/gantt/jsgantt.js (from jsgantt-improved)
bim/data/gantt/jsgantt.css (from jsgantt-improved)
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