llm loses track of plugins when upgraded (with uv)

[noamross]

This may not be an llm issue, but could have to do with the interaction of the plugin mechanism with python packaging tooling.

I have llm installed (on MacOS) via uv tool install llm. When I update llm with uv tool upgrade llm, it forgets about all of its installed plugins:

~ > llm plugins                                                                                                                                                                                                                                                                                                                                          
[
  {
    "name": "llm-claude-3",
    "hooks": [
      "register_models"
    ],
    "version": "0.4.1"
  },
  {
    "name": "llm-llamafile",
    "hooks": [
      "register_models"
    ],
    "version": "0.1"
  },
  {
    "name": "llm-perplexity",
    "hooks": [
      "register_models"
    ],
    "version": "0.9"
  },
  {
    "name": "llm-ollama",
    "hooks": [
      "register_commands",
      "register_models"
    ],
    "version": "0.5.0"
  },
  {
    "name": "llm-cmd",
    "hooks": [
      "register_commands"
    ],
    "version": "0.2a0"
  },
  {
    "name": "llm-claude",
    "hooks": [
      "register_models"
    ],
    "version": "0.4.0"
  },
  {
    "name": "llm-mistral",
    "hooks": [
      "register_commands",
      "register_embedding_models",
      "register_models"
    ],
    "version": "0.5"
  }
]

Now I update:

~ > uv tool upgrade llm                                                                                                                                                                                                                                                                                                                                   
Modified llm environment
 - anthropic==0.34.2
 - charset-normalizer==3.3.2
 - filelock==3.16.0
 - fsspec==2024.9.0
 - httpx-sse==0.4.0
 - huggingface-hub==0.24.7
 - llm-claude==0.4.0
 - llm-claude-3==0.4.1
 - llm-cmd==0.2a0
 - llm-llamafile==0.1
 - llm-mistral==0.5
 - llm-ollama==0.5.0
 - llm-perplexity==0.9
 - ollama==0.3.3
 - packaging==24.1
 - prompt-toolkit==3.0.47
 - pygments==2.18.0
 - requests==2.32.3
 - tokenizers==0.20.0
 - urllib3==2.2.3
 - wcwidth==0.2.13

Now, no more plugins

~ > llm plugins                                                                                                                                                                                                                                                                                                                                           
[]

Having saved the JSON of plugins, I can re-install them, and it appears that everything is installed from the cache. Is this because llm install is using pip or something similar, and uv handles things differently?