Auto install addons in blend file

installAddons.py

import zipfile
import os
import bpy
import addon_utils

# Get the absolute path of the blend file
blend_file_path = bpy.data.filepath
blend_file_dir = os.path.dirname(blend_file_path)

# Check if ./tmp directory exists, and if not, create it
tmp_dir = os.path.join(blend_file_dir, 'tmp')
if not os.path.exists(tmp_dir):
    os.mkdir(tmp_dir)

# Get a list of all directories under ./addons
addons_dir = os.path.join(blend_file_dir, 'addons')
addon_dirs = [d for d in os.listdir(
    addons_dir) if os.path.isdir(os.path.join(addons_dir, d))]

# For each directory, create a zip file in ./tmp with the same name as the directory
for addon_dir in addon_dirs:
    zip_filename = os.path.join(tmp_dir, addon_dir + '.zip')
    with zipfile.ZipFile(zip_filename, 'w', zipfile.ZIP_DEFLATED) as zip_file:
        # Add all files and subdirectories in the directory to the zip file
        for root, dirs, files in os.walk(os.path.join(addons_dir, addon_dir)):
            for file in files:
                # Set the arcname to the relative path of the file from the addons folder
                arcname = os.path.relpath(os.path.join(root, file), addons_dir)
                zip_file.write(os.path.join(root, file), arcname=arcname)
            for dir in dirs:
                # Set the arcname to the relative path of the directory from the addons folder
                arcname = os.path.relpath(os.path.join(root, dir), addons_dir)
                zip_file.write(os.path.join(root, dir), arcname=arcname)
    # Install the addon from the zip file
    bpy.ops.preferences.addon_install(overwrite=True, filepath=zip_filename)

    # Enable the addon
    addon_name = addon_dir.replace('.zip', '')
    # bpy.ops.preferences.addon_enable(module=addon_name)
    addon_utils.enable(addon_name)
    os.remove(zip_filename)

USAGE.txt

1. Add your addons as subfolders under 'addons' next to your blend file eg.

--/home/user/Documents/myBlenderProject
---------------------------------------/myProject.blend
---------------------------------------/addons  < place your addons here
----------------------------------------------/myAddon
------------------------------------------------------/[addon files .py]


2. Run the script in blender
3. Toggle Text -> Register to run automatically when the blend file is opened