71 lines
2.0 KiB
Nix
71 lines
2.0 KiB
Nix
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# An "impure" template thx to `pyproject.nix`,
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# https://pyproject-nix.github.io/pyproject.nix/templates.html#impure
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# https://github.com/pyproject-nix/pyproject.nix/blob/master/templates/impure/flake.nix
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{
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description = "An impure overlay using `uv` with Nix(OS)";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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};
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outputs =
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{ nixpkgs, ... }:
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let
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inherit (nixpkgs) lib;
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forAllSystems = lib.genAttrs lib.systems.flakeExposed;
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in
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{
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devShells = forAllSystems (
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system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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# XXX NOTE XXX, for now we overlay specific pkgs via
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# a major-version-pinned-`cpython`
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cpython = "python313";
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venv_dir = "py313";
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pypkgs = pkgs."${cpython}Packages";
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in
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{
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default = pkgs.mkShell {
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packages = with pkgs; [
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# XXX, ensure sh completions activate!
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bashInteractive
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bash-completion
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# on nixos, use pkg(s)
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ruff
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pypkgs.ruff
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uv
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python313 # ?TODO^ how to set from `cpython` above?
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];
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shellHook = ''
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# unmask to debug **this** dev-shell-hook
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# set -e
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# link-in c++ stdlib for various AOT-ext-pkgs (numpy, etc.)
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LD_LIBRARY_PATH="${pkgs.stdenv.cc.cc.lib}/lib:$LD_LIBRARY_PATH"
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export LD_LIBRARY_PATH
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# RUNTIME-SETTINGS
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# ------ uv ------
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# - always use the ./py313/ venv-subdir
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# - sync env with all extras
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export UV_PROJECT_ENVIRONMENT=${venv_dir}
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uv sync --dev --all-extras --no-group lint
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# ------ TIPS ------
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# NOTE, to launch the py-venv installed `xonsh` (like @goodboy)
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# run the `nix develop` cmd with,
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# >> nix develop -c uv run xonsh
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'';
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};
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}
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);
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};
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}
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