use blender command to install addon

Author: timhendriks93

.github/workflows/ci.yml

@@ -29,7 +29,6 @@ jobs:
       uses: actions/setup-python@v5
       with:
         python-version: "3.10"
-        cache: "pip"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
@@ -56,7 +55,10 @@ jobs:
       uses: actions/download-artifact@v4
       with:
         name: blender_servo_animation_addon.zip
-    - name: Install add-on and dependencies
+    - name: Install add-on
+      run: |
+        blender --command extension install-file -r user_default -e blender_servo_animation_addon.zip
+    - name: Install test dependencies inside Blender
       run: |
         ./tests/prepare.sh
     - name: Run tests inside Blender

tests/prepare.py

@@ -25,11 +25,6 @@ def install_dependencies():
 
     subprocess.run([python, "-m", "pip", "install", "-r", req_file], check=True)
 
-def install_addon():
-    bpy.ops.preferences.addon_install(filepath="blender_servo_animation_addon.zip", overwrite=True)
-    bpy.ops.preferences.addon_enable(module="servo_animation")
-
 if __name__ == "__main__":
     ensure_pip()
-    install_addon()
     install_dependencies()