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by wanderlust123
61 days ago
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I am not following the difficulties you have mentioned. Setting up a local dev environment in Python is trivial with UV. The only major downside of Python is its got a bit poor module system and nothing as seamless as Cargo. Beyond that the code is a million times easier to understand for a web app. |
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"trivial" falls in the "easy" category. So it may not be hard to do. But what UV makes "easy" is managing something very complex under the hood.
Better example:
FROM python:3.9-slim
WORKDIR /app
COPY requirements.txt .
RUN pip install -r requirements.txt
COPY . .
CMD ["python", "app.py"]
While "easy" it is nowhere near simple. Aside from the entire complexity of the stack of docker, that `python:3.9-slim` it itself is very complex. It installs over 20 "dev" packages (from bluetooth via tk to xz), it downloads source files, builds a python runtime, (patches that?), installs pip, setuptools, does some (to python people probably familiar?) "wheel" stuff, etc¹. Point being: what you end up with, while easy to get, is very complex.
uv manages a runtime, some virtual environment to hot-swap that with other runtimes, it hooks into a package manager, manages additional tools (linter, typechecker, lsp, etc) and so on. What lies under that is very complex.
¹ I am well aware that node, ruby, php are quite similar.