Poetry

Initialize a new project with `poetry new my-web-app`

Add dependencies like `flask` and `requests` using `poetry add`

Install dependencies with `poetry install`

Deploy the application with confidence, knowing the dependencies are locked in poetry.lock

Create a library project with `poetry new my-library`

Implement the library's functionality

Build the package using `poetry build`

Publish the package to PyPI using `poetry publish`

For each project, initialize a new Poetry project

Add the specific dependencies for each project

Poetry will automatically manage separate virtual environments for each project, preventing conflicts

Create a Poetry project for the research code

Declare all dependencies in pyproject.toml

Share the code along with the poetry.lock file

Others can easily reproduce the environment by running `poetry install`

Configure tox to use Poetry for dependency management (see FAQ)

Run tox to execute tests in isolated environments

Tox will use Poetry to install the correct dependencies for each environment, ensuring consistent test results