feat(build123d): support multiple outputs from the builder script and replace the objectName and outputFileName with just outputName

build123d/default.nix

@@ -0,0 +1,150 @@
+{
+  flake-parts-lib,
+  inputs,
+  ...
+}: {
+  flake = {
+    templates = {
+      build123d = {
+        path = ./template;
+        description = "A python flake with a build132d/cadquery parametric cad setup";
+      };
+    };
+
+    flakeModules.build123d = {
+      imports = [
+        inputs.treefmt-nix.flakeModule
+      ];
+
+      options.perSystem = flake-parts-lib.mkPerSystemOption ({
+        lib,
+        config,
+        pkgs,
+        self',
+        system,
+        ...
+      }: let
+        cfg = config.krantz.build123d;
+
+        cq = inputs.cadquery.packages.${system};
+
+        pyEnv = cq.python3.withPackages (p:
+          with p; [
+            cadquery
+            build123d
+          ]);
+
+        outputExt = [
+          "step"
+          "stl"
+          "3mf"
+        ];
+      in {
+        options.krantz.build123d = {
+          enable = lib.mkEnableOption "executing a python build123d/cadquery file to generate 3d files";
+
+          builder = lib.mkOption {
+            description = "The path to python cad script that generates the 3d file(s).";
+            type = lib.types.path;
+            example = lib.literalExpression "./build3d.py";
+          };
+
+          outputName = lib.mkOption {
+            description = ''
+              The derivation's name that will also be used to rename the following default outputs.
+
+              ${
+                # output.${ext} where ext is from the outputExt list
+                lib.concatStringsSep "\n" (lib.map (ext: "* output.${ext}") outputExt)
+              }
+
+              If left empty no files will be renamed.
+            '';
+            type = lib.types.str;
+            default = "";
+            example = "box_for_stuf";
+          };
+
+          devShell = {
+            enable = lib.mkEnableOption "a build123d development environment" // {default = true;};
+
+            name = lib.mkOption {
+              description = "The name of the attribute in devShells to configure";
+              type = lib.types.str;
+              default = "default";
+              example = "build123d";
+            };
+
+            extraAttrs = lib.mkOption {
+              description = "Extra attributes to merge into the devshell. See https://nixos.org/manual/nixpkgs/stable/#sec-pkgs-mkShell";
+              type = lib.types.attrs;
+              default = {};
+              example = {
+                shellHook = ''
+                  export DEBUG=1
+                '';
+              };
+            };
+          };
+
+          package = {
+            enable = lib.mkEnableOption "a package output for the 3d file" // {default = true;};
+
+            name = lib.mkOption {
+              description = "The name of the attribute in packages to configure";
+              type = lib.types.str;
+              default = "default";
+              example = "3dfiles";
+            };
+          };
+        };
+
+        config = lib.mkIf cfg.enable {
+          # Dev Shell that lets you enter an environment with all the necessary utilites
+          # Available through 'nix develop'
+          # Also can be activated automatically if direnv is installed on the system with 'direnv allow'
+          devShells.${cfg.devShell.name} = lib.mkIf cfg.devShell.enable (pkgs.mkShell {
+              packages = [
+                pyEnv
+              ];
+            }
+            // cfg.devShell.extraAttrs);
+
+          # Formatter for nix files, available through 'nix fmt'
+          treefmt = {
+            programs.alejandra.enable = lib.mkDefault true;
+          };
+
+          # Your custom packages
+          # Accessible through 'nix build', 'nix shell', 'nix run', etc
+          packages.${cfg.package.name} = lib.mkIf cfg.package.enable (pkgs.runCommand cfg.outputName {}
+            /*
+            bash
+            */
+            ''
+              mkdir $out
+              cd $out
+
+              ${pyEnv}/bin/python ${cfg.builder}
+
+              ${
+                if cfg.outputName != ""
+                then
+                  /*
+                  bash
+                  */
+                  ''
+                    for ext in ${lib.concatStringsSep " " outputExt}; do
+                      if [[ -f output.$ext ]]; then
+                        mv output.$ext ${cfg.outputName}.$ext
+                      fi
+                    done
+                  ''
+                else ""
+              }
+            '');
+        };
+      });
+    };
+  };
+}

build123d/template/.gitignore

@@ -0,0 +1,224 @@
+# Generated by nix
+.direnv/
+result
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[codz]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#   Usually these files are written by a python script from a template
+#   before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py.cover
+*.lcov
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+# Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+# uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+# poetry.lock
+# poetry.toml
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#   pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
+#   https://pdm-project.org/en/latest/usage/project/#working-with-version-control
+# pdm.lock
+# pdm.toml
+.pdm-python
+.pdm-build/
+
+# pixi
+#   Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
+# pixi.lock
+#   Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
+#   in the .venv directory. It is recommended not to include this directory in version control.
+.pixi/*
+!.pixi/config.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule*
+celerybeat.pid
+
+# Redis
+*.rdb
+*.aof
+*.pid
+
+# RabbitMQ
+mnesia/
+rabbitmq/
+rabbitmq-data/
+
+# ActiveMQ
+activemq-data/
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.envrc
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#   JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#   be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#   and can be added to the global gitignore or merged into this file.  For a more nuclear
+#   option (not recommended) you can uncomment the following to ignore the entire idea folder.
+# .idea/
+
+# Abstra
+#   Abstra is an AI-powered process automation framework.
+#   Ignore directories containing user credentials, local state, and settings.
+#   Learn more at https://abstra.io/docs
+.abstra/
+
+# Visual Studio Code
+#   Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore 
+#   that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
+#   and can be added to the global gitignore or merged into this file. However, if you prefer, 
+#   you could uncomment the following to ignore the entire vscode folder
+# .vscode/
+# Temporary file for partial code execution
+tempCodeRunnerFile.py
+
+# Ruff stuff:
+.ruff_cache/
+
+# PyPI configuration file
+.pypirc
+
+# Marimo
+marimo/_static/
+marimo/_lsp/
+__marimo__/
+
+# Streamlit
+.streamlit/secrets.toml

build123d/template/build3d.py

@@ -0,0 +1,8 @@
+from build123d import *  # pyright: ignore[reportWildcardImportFromLibrary]
+
+length, width, thickness = 80.0, 60.0, 10.0
+
+with BuildPart() as builder:
+    Box(length, width, thickness)
+
+export_step(builder.part, "output.step")

build123d/template/flake.nix

@@ -0,0 +1,37 @@
+{
+  description = "made with build123d";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+    flake-parts.url = "github:hercules-ci/flake-parts";
+
+    project-templates = {
+      url = "path:///home/reed/code/project-templates";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-parts.follows = "flake-parts";
+    };
+  };
+
+  outputs = {
+    flake-parts,
+    project-templates,
+    ...
+  } @ inputs:
+    flake-parts.lib.mkFlake {inherit inputs;} {
+      imports = [
+        project-templates.flakeModules.build123d
+      ];
+
+      systems = ["aarch64-linux" "x86_64-linux" "aarch64-darwin"];
+
+      perSystem = {pkgs, ...}: {
+        krantz.build123d = {
+          enable = true;
+          builder = ./build3d.py;
+
+          outputName = "box";
+        };
+      };
+    };
+}

flake.lock

@@ -1,5 +1,98 @@
 {
   "nodes": {
+    "cadquery": {
+      "inputs": {
+        "cadquery-freecad-import-plugin-src": "cadquery-freecad-import-plugin-src",
+        "cadquery-src": "cadquery-src",
+        "cq-cli-src": "cq-cli-src",
+        "cq-editor-src": "cq-editor-src",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "ocp-src": "ocp-src",
+        "ocp-stubs-src": "ocp-stubs-src",
+        "pybind11-stubgen-src": "pybind11-stubgen-src",
+        "pywrap-src": "pywrap-src"
+      },
+      "locked": {
+        "lastModified": 1765891741,
+        "narHash": "sha256-71CHh2FMmmBlduyAw8LD+PLjLlm+k5wtBatF8F7aJpQ=",
+        "owner": "vinszent",
+        "repo": "cq-flake",
+        "rev": "6212f4f8155d03bb7ddd811d766fbcd23a8b338b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "vinszent",
+        "repo": "cq-flake",
+        "type": "github"
+      }
+    },
+    "cadquery-freecad-import-plugin-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1734615666,
+        "narHash": "sha256-/puHlsdDqdVbVdxOkkwMEW/S//BztFA8fNkTp9PbSYY=",
+        "owner": "jmwright",
+        "repo": "cadquery-freecad-import-plugin",
+        "rev": "a0f72aedafc80e40b486d991f8659ed4ce5eb147",
+        "type": "github"
+      },
+      "original": {
+        "owner": "jmwright",
+        "repo": "cadquery-freecad-import-plugin",
+        "type": "github"
+      }
+    },
+    "cadquery-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1741533881,
+        "narHash": "sha256-LNzo356Chh52Soi91i/z5fD9mDlh3P0saUieS5f399g=",
+        "owner": "CadQuery",
+        "repo": "cadquery",
+        "rev": "471ab6fcc79b6ce64b857d33d06202c030cf5459",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CadQuery",
+        "repo": "cadquery",
+        "rev": "471ab6fcc79b6ce64b857d33d06202c030cf5459",
+        "type": "github"
+      }
+    },
+    "cq-cli-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1742395288,
+        "narHash": "sha256-aiLjhyQLeXy4kDW9C8n5XL2BqKGixufTgVKOPWiTZ9c=",
+        "owner": "CadQuery",
+        "repo": "cq-cli",
+        "rev": "6a6076a1659fe3cfd706cb353725e5cf3f4b4715",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CadQuery",
+        "repo": "cq-cli",
+        "type": "github"
+      }
+    },
+    "cq-editor-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1739812831,
+        "narHash": "sha256-6cFVT+HIRoht1XPY+mvk9iTQ50Q8kqx9XxgNsRMFQ9c=",
+        "owner": "CadQuery",
+        "repo": "CQ-editor",
+        "rev": "7c92ec9d967f0f1e295a0f2dcf779ea871338e08",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CadQuery",
+        "ref": "0.4.0",
+        "repo": "CQ-editor",
+        "type": "github"
+      }
+    },
     "crane": {
       "locked": {
         "lastModified": 1777149905,
@@ -33,17 +126,35 @@
         "type": "github"
       }
     },
-    "nixpkgs": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1776877367,
-        "narHash": "sha256-EHq1/OX139R1RvBzOJ0aMRT3xnWyqtHBRUBuO1gFzjI=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "0726a0ecb6d4e08f6adced58726b95db924cef57",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1742889210,
+        "narHash": "sha256-hw63HnwnqU3ZQfsMclLhMvOezpM7RSB0dMAtD5/sOiw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "698214a32beb4f4c8e3942372c694f40848b360d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
         "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
@@ -64,14 +175,111 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1776877367,
+        "narHash": "sha256-EHq1/OX139R1RvBzOJ0aMRT3xnWyqtHBRUBuO1gFzjI=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "0726a0ecb6d4e08f6adced58726b95db924cef57",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "ocp-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1739132137,
+        "narHash": "sha256-vWAqCGgs7YnwHRhPAXkBQqCs+Y3zk4BMu1boZo3PLGA=",
+        "owner": "cadquery",
+        "repo": "ocp",
+        "rev": "01055e099a3b1a34da38bb1f5457f06a2d4c7a18",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cadquery",
+        "ref": "7.8.1.2",
+        "repo": "ocp",
+        "type": "github"
+      }
+    },
+    "ocp-stubs-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1672527176,
+        "narHash": "sha256-m9Rg36GYlYfwEfF0PQJWEXf8TyM5HmjeuhJCODiurvY=",
+        "owner": "cadquery",
+        "repo": "ocp-stubs",
+        "rev": "e838ff400d5ee2f4a0579d2a713b19311855288f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cadquery",
+        "repo": "ocp-stubs",
+        "type": "github"
+      }
+    },
+    "pybind11-stubgen-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1700678104,
+        "narHash": "sha256-76u1GcHPPh8oYQeQZDJ4K/so0U7F6rznZ1xa6syqI9s=",
+        "owner": "CadQuery",
+        "repo": "pybind11-stubgen",
+        "rev": "6dc681d838d3ec9a8a9aa4260c8392d3fb700ff0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CadQuery",
+        "repo": "pybind11-stubgen",
+        "type": "github"
+      }
+    },
+    "pywrap-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1736233855,
+        "narHash": "sha256-u+P/SUGpYhzA1oVbEv26DF8PBEpsotEk4iXIXZhgzHc=",
+        "owner": "CadQuery",
+        "repo": "pywrap",
+        "rev": "9c9ca5b8aa0d9a6687394897815a682b8c319fb0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CadQuery",
+        "repo": "pywrap",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
+        "cadquery": "cadquery",
         "crane": "crane",
         "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "treefmt-nix": "treefmt-nix"
       }
     },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": [

flake.nix

@@ -12,11 +12,20 @@
     };
 
     crane.url = "github:ipetkov/crane";
+
+    cadquery = {
+      url = "github:vinszent/cq-flake";
+      # unfortunately dependencies are out of date so this needs it's own nixpkgs
+      # inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = {flake-parts, ...} @ inputs:
     flake-parts.lib.mkFlake {inherit inputs;} {
       imports = [
+        flake-parts.flakeModules.flakeModules
+
+        ./build123d
         ./rust
       ];