feat(templates): add template v1-python

templates/default.nix

@@ -29,6 +29,10 @@ in {
 
           '';
         };
+        v1-python = {
+          description = "Simple dream2nix python project";
+          path = ./v1-python;
+        };
       }
       // (
         l.genAttrs

templates/v1-python/default.nix

@@ -0,0 +1,32 @@
+let
+  # import dream2nix
+  dream2nix = import (builtins.fetchTarball "https://github.com/nix-community/dream2nix/tarball/main");
+
+  # A setup module which is imported for each package.
+  # This is used to define the location and naming of dream2nix lock files.
+  # TODO: modify this according to your repo structure
+  setupModule = {config, ...}: {
+    # Define the root of your repo. All other paths are relative to it.
+    lock.repoRoot = ./.;
+
+    # define how a specific lock file should be called
+    # This definition will produce lock files like:
+    #   my-package-x86_64-linux-lock.json
+    lock.lockFileRel = "/${config.name}-${config.deps.stdenv.system}-lock.json";
+  };
+
+  # evaluate package module
+  my-package = dream2nix.lib.evalModules {
+    # define external package sets
+    packageSets = {
+      nixpkgs = import <nixpkgs> {};
+    };
+
+    # load the actual package module
+    modules = [
+      ./my-package.nix
+      setupModule
+    ];
+  };
+in
+  my-package

templates/v1-python/my-package-x86_64-linux-lock.json

@@ -0,0 +1,54 @@
+{
+  "fetchPipMetadata": {
+    "asgiref": {
+      "dependencies": [],
+      "sha256": "71e68008da809b957b7ee4b43dbccff33d1b23519fb8344e33f049897077afac",
+      "url": "https://files.pythonhosted.org/packages/8f/29/38d10a47b322a77b2d12c2b79c789f52956f733cb701d4d5157c76b5f238/asgiref-3.6.0-py3-none-any.whl",
+      "version": "3.6.0"
+    },
+    "django": {
+      "dependencies": [
+        "asgiref",
+        "sqlparse"
+      ],
+      "sha256": "ad33ed68db9398f5dfb33282704925bce044bef4261cd4fb59e4e7f9ae505a78",
+      "url": "https://files.pythonhosted.org/packages/d9/40/6012f98b14b64b4d3dc47b0c2f116fccbd0795ab35515d0c40dac73b81b8/Django-4.2-py3-none-any.whl",
+      "version": "4.2"
+    },
+    "lxml": {
+      "dependencies": [],
+      "sha256": "1ab8f1f932e8f82355e75dda5413a57612c6ea448069d4fb2e217e9a4bed13d4",
+      "url": "https://files.pythonhosted.org/packages/89/9c/be3ebeb6053c6625c0497f282e0d8acc36c309212d47201e9cb1198ffb54/lxml-4.9.2-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.manylinux_2_24_x86_64.whl",
+      "version": "4.9.2"
+    },
+    "my-package": {
+      "dependencies": [
+        "django",
+        "lxml",
+        "psycopg2",
+        "setuptools"
+      ],
+      "sha256": null,
+      "url": ".",
+      "version": "0.0.0"
+    },
+    "psycopg2": {
+      "dependencies": [],
+      "sha256": "f15158418fd826831b28585e2ab48ed8df2d0d98f502a2b4fe619e7d5ca29011",
+      "url": "https://files.pythonhosted.org/packages/af/c4/5726cddb53fe52f0e839eb3da04322364f14493217ebd5818cc5e4c948a5/psycopg2-2.9.6.tar.gz",
+      "version": "2.9.6"
+    },
+    "setuptools": {
+      "dependencies": [],
+      "sha256": "23aaf86b85ca52ceb801d32703f12d77517b2556af839621c641fca11287952b",
+      "url": "https://files.pythonhosted.org/packages/2f/8c/f336a966d4097c7cef6fc699b2ecb83b5fb63fd698198c1b5c7905a74f0f/setuptools-67.7.2-py3-none-any.whl",
+      "version": "67.7.2"
+    },
+    "sqlparse": {
+      "dependencies": [],
+      "sha256": "5430a4fe2ac7d0f93e66f1efc6e1338a41884b7ddf2a350cedd20ccc4d9d28f3",
+      "url": "https://files.pythonhosted.org/packages/98/5a/66d7c9305baa9f11857f247d4ba761402cea75db6058ff850ed7128957b7/sqlparse-0.4.4-py3-none-any.whl",
+      "version": "0.4.4"
+    }
+  }
+}

templates/v1-python/my-package.nix

@@ -0,0 +1,48 @@
+{
+  config,
+  lib,
+  dream2nix,
+  ...
+}: {
+  imports = [
+    dream2nix.modules.drv-parts.pip
+  ];
+
+  name = "my-package";
+  version = "1.0";
+
+  mkDerivation = {
+    src = ./.;
+  };
+
+  deps = {nixpkgs, ...}: {
+    inherit
+      (nixpkgs)
+      postgresql
+      stdenv
+      ;
+    python = nixpkgs.python310;
+  };
+
+  buildPythonPackage = {
+    format = "pyproject";
+  };
+
+  pip = {
+    pypiSnapshotDate = "2023-05-03";
+
+    # pass the current directory as a requirement to pip which will then resolve
+    #   all other requirements via the `dependencies` from pyproject.toml.
+    requirementsList = ["."];
+
+    # creating the lock file otherwise fails on psycopg2
+    nativeBuildInputs = [config.deps.postgresql];
+
+    # fix some builds via overrides
+    drvs = {
+      psycopg2.mkDerivation = {
+        nativeBuildInputs = [config.deps.postgresql];
+      };
+    };
+  };
+}

templates/v1-python/my_package/__init__.py

@@ -0,0 +1,12 @@
+import django
+import lxml
+import psycopg2
+
+__version__ = "1.0"
+
+
+def hello():
+    print(f"{__file__}: Hello world!")
+    print(f"{django.get_version()=}")
+    print(f"{lxml.__version__=}")
+    print(f"{psycopg2.__version__=}")

templates/v1-python/pyproject.toml

@@ -0,0 +1,15 @@
+[project]
+name = "my_package"
+description = "my_package"
+requires-python = "~=3.10"
+dynamic = ["version", "dependencies"]
+
+[project.scripts]
+hello = "my_package:hello"
+
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.dynamic]
+dependencies = {file = ["requirements.txt"]}

templates/v1-python/requirements.txt

@@ -0,0 +1,4 @@
+django
+lxml
+psycopg2
+setuptools