dev-dependencies, labels, url installation

[michaelvsinko]

Hi! First of all, Thank you for your fork! It's really faster than the original poetry and supports labels (ex. torch==1.10.0+cu113)!

I have 3 questions:

1. As I see, you have dropped dev-dependencies section and groups. They are ignored with rp install. Are there any other options to manage dev dependencies with rp?
2. Packages with a label in the version are installed correctly when I write it into pyproject.toml directly. But it fails when I try to use rp install torch==1.10.0+cu113 --source pytorch. It installs 1.10.0 from PyPI. Source:

[[tool.poetry.source]]
name = "pytorch"
url = "https://eternalphane.github.io/pytorch-pypi/"
secondary = true

3. I have some problems with URL installation. rp install https://download.openmmlab.com/mmcv/dist/cu113/torch1.10.0/mmcv_full-1.4.0-cp39-cp39-manylinux1_x86_64.whl returns

  TypeError

  fetch() missing 1 required positional argument: 'authenticator'

  at ~/.local/share/relaxed-poetry/venv/lib/python3.9/site-packages/poetry/puzzle/provider.py:384 in get_package_from_url
      380│ 
      381│     @classmethod
      382│     def get_package_from_url(cls, url: str) -> Package:
      383│         from poetry.app.relaxed_poetry import rp
    → 384│         file = rp.artifacts.fetch(url)
      385│         package = cls.get_package_from_file(file)
      386│ 
      387│         # with temporary_directory() as temp_dir:
      388│         #     temp_dir = Path(temp_dir)

authenticator is optional but still required

    def fetch(self, link: Union[Link, str], authenticator: Optional[Authenticator], io: Printer = NullPrinter,
              package: Optional[Package] = None) -> Path:

    def _download_archive(self, authenticator: Optional[Authenticator], link: Link, printer: Printer) -> Path: