switch to python
This commit is contained in:
parent
49a7a1e404
commit
60b547a470
99
flake.lock
generated
99
flake.lock
generated
@ -1,92 +1,95 @@
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{
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"nodes": {
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"flake-parts": {
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"inputs": {
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"nixpkgs-lib": "nixpkgs-lib"
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},
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"locked": {
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"lastModified": 1743550720,
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"narHash": "sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY=",
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"owner": "hercules-ci",
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"repo": "flake-parts",
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"rev": "c621e8422220273271f52058f618c94e405bb0f5",
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"type": "github"
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},
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"original": {
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"owner": "hercules-ci",
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"repo": "flake-parts",
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"type": "github"
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}
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},
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"nixpkgs": {
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"locked": {
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"lastModified": 1744098102,
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"narHash": "sha256-tzCdyIJj9AjysC3OuKA+tMD/kDEDAF9mICPDU7ix0JA=",
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"owner": "nixos",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "c8cd81426f45942bb2906d5ed2fe21d2f19d95b7",
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"type": "github"
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},
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"original": {
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"owner": "nixos",
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"owner": "NixOS",
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"ref": "nixos-unstable",
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"repo": "nixpkgs",
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"type": "github"
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}
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},
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"nixpkgs-lib": {
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"pyproject-build-systems": {
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"inputs": {
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"nixpkgs": [
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"nixpkgs"
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],
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"pyproject-nix": [
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"pyproject-nix"
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],
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"uv2nix": [
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"uv2nix"
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]
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},
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"locked": {
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"lastModified": 1743296961,
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"narHash": "sha256-b1EdN3cULCqtorQ4QeWgLMrd5ZGOjLSLemfa00heasc=",
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"owner": "nix-community",
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"repo": "nixpkgs.lib",
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"rev": "e4822aea2a6d1cdd36653c134cacfd64c97ff4fa",
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"lastModified": 1743993520,
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"narHash": "sha256-DgQ/b7f7QIECEVYVIWrqYXl1iTzXTfibMhxp6QMsAwA=",
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"owner": "pyproject-nix",
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"repo": "build-system-pkgs",
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"rev": "4470eb3e37dc5d2791b77b90c5228506d729800f",
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"type": "github"
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},
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"original": {
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"owner": "nix-community",
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"repo": "nixpkgs.lib",
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"owner": "pyproject-nix",
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"repo": "build-system-pkgs",
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"type": "github"
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}
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},
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"nixpkgs_2": {
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"pyproject-nix": {
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"inputs": {
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"nixpkgs": [
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"nixpkgs"
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]
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},
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"locked": {
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"lastModified": 1736320768,
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"narHash": "sha256-nIYdTAiKIGnFNugbomgBJR+Xv5F1ZQU+HfaBqJKroC0=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "4bc9c909d9ac828a039f288cf872d16d38185db8",
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"lastModified": 1743438845,
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"narHash": "sha256-1GSaoubGtvsLRwoYwHjeKYq40tLwvuFFVhGrG8J9Oek=",
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"owner": "pyproject-nix",
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"repo": "pyproject.nix",
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"rev": "8063ec98edc459571d042a640b1c5e334ecfca1e",
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"type": "github"
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},
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"original": {
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"owner": "NixOS",
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"ref": "nixpkgs-unstable",
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"repo": "nixpkgs",
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"owner": "pyproject-nix",
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"repo": "pyproject.nix",
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"type": "github"
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}
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},
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"root": {
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"inputs": {
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"flake-parts": "flake-parts",
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"nixpkgs": "nixpkgs",
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"rust-overlay": "rust-overlay"
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"pyproject-build-systems": "pyproject-build-systems",
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"pyproject-nix": "pyproject-nix",
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"uv2nix": "uv2nix"
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}
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},
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"rust-overlay": {
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"uv2nix": {
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"inputs": {
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"nixpkgs": "nixpkgs_2"
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"nixpkgs": [
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"nixpkgs"
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],
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"pyproject-nix": [
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"pyproject-nix"
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]
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},
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"locked": {
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"lastModified": 1744166053,
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"narHash": "sha256-mpI7OzFwp+fUeDtZYQbVZ2YmtxTN2UNrrOwbYD27xKU=",
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"owner": "oxalica",
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"repo": "rust-overlay",
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"rev": "896158be1835589db6f42f45ef0a49b8b492cc66",
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"lastModified": 1744108242,
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"narHash": "sha256-cvwVUlHKqjv/8NlO1681vcoB/lHPkV9gKm/HHED/dvw=",
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"owner": "pyproject-nix",
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"repo": "uv2nix",
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"rev": "e00f7117aaebaa1f9ff846976d655c5a4d919321",
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"type": "github"
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},
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"original": {
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"owner": "oxalica",
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"repo": "rust-overlay",
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"owner": "pyproject-nix",
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"repo": "uv2nix",
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"type": "github"
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}
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}
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224
flake.nix
224
flake.nix
@ -1,75 +1,173 @@
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{
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description = "tito flake using uv2nix";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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flake-parts.url = "github:hercules-ci/flake-parts";
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rust-overlay.url = "github:oxalica/rust-overlay";
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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pyproject-nix = {
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url = "github:pyproject-nix/pyproject.nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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uv2nix = {
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url = "github:pyproject-nix/uv2nix";
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inputs.pyproject-nix.follows = "pyproject-nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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pyproject-build-systems = {
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url = "github:pyproject-nix/build-system-pkgs";
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inputs.pyproject-nix.follows = "pyproject-nix";
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inputs.uv2nix.follows = "uv2nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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};
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outputs = inputs:
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inputs.flake-parts.lib.mkFlake { inherit inputs; } {
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systems = [ "x86_64-linux" ];
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perSystem = { config, self', pkgs, lib, system, ... }:
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let
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runtimeDeps = with pkgs; [ alsa-lib speechd ];
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buildDeps = with pkgs; [ pkg-config rustPlatform.bindgenHook ];
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devDeps = with pkgs; [ gdb ];
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outputs =
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{
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nixpkgs,
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uv2nix,
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pyproject-nix,
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pyproject-build-systems,
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...
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}:
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let
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inherit (nixpkgs) lib;
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cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml);
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msrv = cargoToml.package.rust-version;
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# Load a uv workspace from a workspace root.
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# Uv2nix treats all uv projects as workspace projects.
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workspace = uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
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rustPackage = features:
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(pkgs.makeRustPlatform {
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cargo = pkgs.rust-bin.stable.latest.minimal;
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rustc = pkgs.rust-bin.stable.latest.minimal;
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}).buildRustPackage {
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inherit (cargoToml.package) name version;
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src = ./.;
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cargoLock.lockFile = ./Cargo.lock;
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buildFeatures = features;
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buildInputs = runtimeDeps;
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nativeBuildInputs = buildDeps;
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# Uncomment if your cargo tests require networking or otherwise
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# don't play nicely with the Nix build sandbox:
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# doCheck = false;
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# Create package overlay from workspace.
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overlay = workspace.mkPyprojectOverlay {
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# Prefer prebuilt binary wheels as a package source.
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# Sdists are less likely to "just work" because of the metadata missing from uv.lock.
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# Binary wheels are more likely to, but may still require overrides for library dependencies.
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sourcePreference = "wheel"; # or sourcePreference = "sdist";
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# Optionally customise PEP 508 environment
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# environ = {
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# platform_release = "5.10.65";
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# };
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};
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# Extend generated overlay with build fixups
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#
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# Uv2nix can only work with what it has, and uv.lock is missing essential metadata to perform some builds.
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# This is an additional overlay implementing build fixups.
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# See:
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# - https://pyproject-nix.github.io/uv2nix/FAQ.html
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pyprojectOverrides = _final: _prev: {
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# Implement build fixups here.
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# Note that uv2nix is _not_ using Nixpkgs buildPythonPackage.
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# It's using https://pyproject-nix.github.io/pyproject.nix/build.html
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};
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# This example is only using x86_64-linux
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pkgs = nixpkgs.legacyPackages.x86_64-linux;
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# Use Python 3.12 from nixpkgs
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python = pkgs.python312;
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# Construct package set
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pythonSet =
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# Use base package set from pyproject.nix builders
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(pkgs.callPackage pyproject-nix.build.packages {
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inherit python;
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}).overrideScope
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(
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lib.composeManyExtensions [
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pyproject-build-systems.overlays.default
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overlay
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pyprojectOverrides
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]
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);
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in
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{
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# Package a virtual environment as our main application.
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#
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# Enable no optional dependencies for production build.
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packages.x86_64-linux.default = pythonSet.mkVirtualEnv "tito-env" workspace.deps.default;
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# This example provides two different modes of development:
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# - Impurely using uv to manage virtual environments
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# - Pure development using uv2nix to manage virtual environments
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devShells.x86_64-linux = {
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# It is of course perfectly OK to keep using an impure virtualenv workflow and only use uv2nix to build packages.
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# This devShell simply adds Python and undoes the dependency leakage done by Nixpkgs Python infrastructure.
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# impure = pkgs.mkShell {
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# packages = [
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# python
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# pkgs.uv
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# ];
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# env =
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# {
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# # Prevent uv from managing Python downloads
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# UV_PYTHON_DOWNLOADS = "never";
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# # Force uv to use nixpkgs Python interpreter
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# UV_PYTHON = python.interpreter;
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# }
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# // lib.optionalAttrs pkgs.stdenv.isLinux {
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# # Python libraries often load native shared objects using dlopen(3).
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# # Setting LD_LIBRARY_PATH makes the dynamic library loader aware of libraries without using RPATH for lookup.
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# LD_LIBRARY_PATH = lib.makeLibraryPath pkgs.pythonManylinuxPackages.manylinux1;
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# };
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# shellHook = ''
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# unset PYTHONPATH
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# '';
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# };
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# This devShell uses uv2nix to construct a virtual environment purely from Nix, using the same dependency specification as the application.
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# The notable difference is that we also apply another overlay here enabling editable mode ( https://setuptools.pypa.io/en/latest/userguide/development_mode.html ).
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#
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# This means that any changes done to your local files do not require a rebuild.
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uv2nix =
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let
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# Create an overlay enabling editable mode for all local dependencies.
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# Note: Editable support is still under development and this API might change.
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editableOverlay = workspace.mkEditablePyprojectOverlay {
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# Use environment variable
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root = "$REPO_ROOT";
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# Optional: Only enable editable for these packages
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# members = [ "hello-world" ];
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};
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mkDevShell = rustc:
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pkgs.mkShell {
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shellHook = ''
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export RUST_SRC_PATH=${pkgs.rustPlatform.rustLibSrc}
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export SHELL=${pkgs.lib.getExe pkgs.bashInteractive}
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'';
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buildInputs = runtimeDeps;
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nativeBuildInputs = buildDeps ++ devDeps ++ [ rustc ];
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packages = with pkgs; [
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rust-analyzer
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lldb
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(vscode-with-extensions.override {
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vscode = vscodium;
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vscodeExtensions = with vscode-extensions; [
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rust-lang.rust-analyzer
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vadimcn.vscode-lldb
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];
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})
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];
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# Override previous set with our overrideable overlay.
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editablePythonSet = pythonSet.overrideScope editableOverlay;
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# Build virtual environment, with local packages being editable.
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#
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# Enable all optional dependencies for development.
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virtualenv = editablePythonSet.mkVirtualEnv "tito-dev-env" workspace.deps.all;
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in
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pkgs.mkShell {
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packages = [
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virtualenv
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pkgs.uv
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];
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env = {
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# Don't create venv using uv
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UV_NO_SYNC = "1";
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# Force uv to use Python interpreter from venv
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UV_PYTHON = "${virtualenv}/bin/python";
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# Prevent uv from downloading managed Python's
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UV_PYTHON_DOWNLOADS = "never";
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};
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in {
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_module.args.pkgs = import inputs.nixpkgs {
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inherit system;
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overlays = [ (import inputs.rust-overlay) ];
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shellHook = ''
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# Undo dependency propagation by nixpkgs.
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unset PYTHONPATH
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# Get repository root using git. This is expanded at runtime by the editable `.pth` machinery.
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export REPO_ROOT=$(git rev-parse --show-toplevel)
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export SHELL=${pkgs.lib.getExe pkgs.bashInteractive}
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'';
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};
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packages.default = self'.packages.tito;
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# devShells.default = self'.devShells.nightly;
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devShells.default = self'.devShells.stable;
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packages.tito = (rustPackage "tito");
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packages.tito-base = (rustPackage "");
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devShells.nightly = (mkDevShell (pkgs.rust-bin.selectLatestNightlyWith
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(toolchain: toolchain.default)));
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devShells.stable = (mkDevShell pkgs.rust-bin.stable.latest.default);
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devShells.msrv = (mkDevShell pkgs.rust-bin.stable.${msrv}.default);
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};
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};
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};
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}
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