chore(pyproject): adding optional dependencies in pyproject.toml

pyproject.toml

@@ -10,32 +10,42 @@ description = ""
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
+    #Media
     "aiortc>=1.13.0",
     "fastrtc@git+ssh://git@github.com/gradio-app/fastrtc.git@main",
     "gradio>=5.49.0",
     "huggingface_hub>=0.34.4",
-    "mediapipe>=0.10.14",
-    "num2words",
-    "onnxruntime",
     "opencv-python>=4.12.0.88",
-    "openai>=2.1",
     "PyGObject>=3.42.2,<=3.46.0",
+
+    #Environment variables
     "python-dotenv",
+
+    #OpenAI
+    "openai>=2.1",
+
+    #Reachy mini    
     "reachy_mini_dances_library@git+ssh://git@github.com/pollen-robotics/reachy_mini_dances_library@main",
     "reachy_mini_toolbox@git+ssh://git@github.com/pollen-robotics/reachy_mini_toolbox@main",
     "reachy_mini@git+ssh://git@github.com/pollen-robotics/reachy_mini@develop",
-    "supervision",
-    "torch",
-    "transformers",
-    "ultralytics",
 ]
 
-[project.scripts]
-reachy-mini-conversation-demo = "reachy_mini_conversation_demo.main:main"
+[project.optional-dependencies]
+local_vision = ["torch", "transformers"]
+yolo_vision = ["ultralytics", "supervision"]
+mediapipe_vision = ["mediapipe>=0.10.14"]
+all_vision = [
+  "reachy_mini_conversation_demo[local_vision]",
+  "reachy_mini_conversation_demo[yolo_vision]",
+  "reachy_mini_conversation_demo[mediapipe_vision]",
+]
 
 [dependency-groups]
 dev = ["pytest", "ruff==0.12.0"]
 
+[project.scripts]
+reachy-mini-conversation-demo = "reachy_mini_conversation_demo.main:main"
+
 [tool.setuptools]
 package-dir = { "" = "src" }
 include-package-data = true