feat: initial commit

.envrc

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+use flake

.gitignore

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+# Created by https://www.toptal.com/developers/gitignore/api/direnv
+# Edit at https://www.toptal.com/developers/gitignore?templates=direnv
+
+### direnv ###
+.direnv
+.envrc
+
+# End of https://www.toptal.com/developers/gitignore/api/direnv

example/default.nix

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+{ pkgs ? import <nixpkgs> { } }:
+let
+  lib = import ../lib.nix { inherit pkgs; };
+in
+lib.genNetrc { projectDir = ./.; }

example/poetry.lock

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+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+package = []
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.11"
+content-hash = "8ebb161448cb827b31357cc68b7c8ada8dd31f9185cc957d9ccedf69ecb28673"

example/poetry.toml

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+[http-basic.foo]
+username = "foo"
+password = "bar"
+
+[http-basic.foo2]
+username = "foo2"
+password = "bar2"

example/pyproject.toml

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+[tool.poetry]
+name = "example"
+version = "0.1.0"
+description = ""
+authors = ["Your Name <you@example.com>"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.11"
+
+[[tool.poetry.source]]
+name = "foo"
+url = "https://foo.bar/simple/"
+priority = "primary"
+
+[[tool.poetry.source]]
+name = "foo2"
+url = "https://foo2.bar/simple/"
+priority = "primary"
+
+[[tool.poetry.source]]
+name = "PyPI"
+priority = "primary"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"

flake.lock

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+{
+  "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1704982712,
+        "narHash": "sha256-2Ptt+9h8dczgle2Oo6z5ni5rt/uLMG47UFTR1ry/wgg=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "07f6395285469419cf9d078f59b5b49993198c00",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-parts",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1705133751,
+        "narHash": "sha256-rCIsyE80jgiOU78gCWN3A0wE0tR2GI5nH6MlS+HaaSQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9b19f5e77dd906cb52dade0b7bd280339d2a1f3d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1703961334,
+        "narHash": "sha256-M1mV/Cq+pgjk0rt6VxoyyD+O8cOUiai8t9Q6Yyq4noY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b0d36bd0a420ecee3bc916c91886caca87c894e9",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Description for the project";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [
+        # To import a flake module
+        # 1. Add foo to inputs
+        # 2. Add foo as a parameter to the outputs function
+        # 3. Add here: foo.flakeModule
+
+      ];
+      systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
+      perSystem = { config, self', inputs', pkgs, system, ... }: {
+        # Per-system attributes can be defined here. The self' and inputs'
+        # module parameters provide easy access to attributes of the same
+        # system.
+
+        # Equivalent to  inputs'.nixpkgs.legacyPackages.hello;
+        packages.default = pkgs.hello;
+      };
+      flake = {
+        # The usual flake attributes can be defined here, including system-
+        # agnostic ones like nixosModule and system-enumerating ones, although
+        # those are more easily expressed in perSystem.
+
+      };
+    };
+}

lib.nix

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+{ pkgs ? import <nixpkgs> { }
+, lib ? pkgs.lib
+}:
+{
+  genNetrc =
+    { projectDir ? null
+    , poetry ? projectDir + "/poetry.toml"
+    , pyproject ? projectDir + "/pyproject.toml"
+    }:
+    let
+      poetryToml = builtins.fromTOML (builtins.readFile poetry);
+      pyprojectToml = builtins.fromTOML (builtins.readFile pyproject);
+
+      sourceNames = builtins.attrNames poetryToml.http-basic;
+      authSources =
+        let
+          sourceNeedsAuth = { name, ... }: builtins.elem name sourceNames;
+        in
+        builtins.filter sourceNeedsAuth pyprojectToml.tool.poetry.source;
+      mergedSources = map (source: source // (builtins.getAttr source.name poetryToml.http-basic)) authSources;
+
+      mkMachine = url:
+        let
+          matches = builtins.split "(https?://)([^/]*)(.*)" url;
+          mainMatch = builtins.elemAt matches 1;
+          domain = builtins.elemAt mainMatch 1;
+        in
+        domain;
+      mkEntry = { url, username, password, ... }:
+        "machine ${mkMachine url} login ${username} password ${password}";
+      entries = map mkEntry mergedSources;
+      contents = lib.concatLines entries;
+    in
+    pkgs.writeText "netrc" contents;
+}