Add Python env

README.md

@@ -152,6 +152,13 @@ The sections below list what each template includes. In all cases, you're free t
 - The [Buf CLI][buf] 1.7.0
 - [protoc][protobuf] 3.19.4
 
+### [`python`](./python/)
+
+- [Python] 3.11.0b4
+- [pip]
+- [Virtualenv]
+- [mach-nix]
+
 ### [`ruby`](./ruby/)
 
 - [Ruby] 3.1.2p20, plus the standard Ruby tools (`bundle`, `gem`, etc.)
@@ -204,6 +211,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [kotlin]: https://kotlinlang.org
 [levant]: https://github.com/hashicorp/levant
 [lorri]: https://github.com/target/lorri
+[mach-nix]: https://github.com/DavHau/mach-nix
 [maven]: https://maven.apache.org
 [mix]: https://elixir-lang.org/getting-started/mix-otp/introduction-to-mix.html
 [nim]: https://nim-lang.org
@@ -220,9 +228,11 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [nomad-pack]: https://github.com/hashicorp/nomad-pack
 [opa]: https://openpolicyagent.org
 [packer]: https://packer.io
+[pip]: https://pypi.org/project/pip
 [phoenix]: https://phoenixframework.org
 [pnpm]: https://pnpm.io
 [protobuf]: https://developers.google.com/protocol-buffers
+[python]: https://python.org
 [ruby]: https://ruby-lang.org
 [rust]: https://rust-lang.org
 [scala]: https://scala-lang.org
@@ -230,6 +240,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [sbt]: https://www.scala-sbt.org
 [terraform]: https://terraform.io
 [terragrunt]: https://terragrunt.gruntwork.io
+[virtualenv]: https://pypi.org/project/virtualenv
 [vulnix]: https://github.com/flyingcircusio/vulnix
 [yarn]: https://yarnpkg.com
 [zig]: https://ziglang.org

flake.nix

@@ -130,6 +130,11 @@
           description = "Protobuf development environment";
         };
 
+        python = {
+          path = ./python;
+          description = "Python development environment";
+        };
+
         ruby = {
           path = ./ruby;
           description = "Ruby development environment";

python/.envrc

@@ -0,0 +1 @@
+use flake .

python/flake.lock

@@ -0,0 +1,127 @@
+{
+  "nodes": {
+    "dev": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1659297620,
+        "narHash": "sha256-Uvb9YfBbnF4j+yA2y2EPWZapEdMwORPtsWFj3XpNYko=",
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "rev": "677e040123767876901e808ed6fb515b024558f5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "the-nix-way",
+        "repo": "dev-templates",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1656928814,
+        "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1642700792,
+        "narHash": "sha256-XqHrk7hFb+zBvRg6Ghl+AZDq03ov6OshJLiSWOoX5es=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "846b2ae0fc4cc943637d3d1def4454213e203cba",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "mach-nix": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2",
+        "pypi-deps-db": "pypi-deps-db"
+      },
+      "locked": {
+        "lastModified": 1659091740,
+        "narHash": "sha256-aNtnezQfUX1QS/bFno2H5661qIY/Rn7BmHnspuuyI+4=",
+        "owner": "DavHau",
+        "repo": "mach-nix",
+        "rev": "f15ea8677df951cb4fe608945fd98725dcd033b3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "DavHau",
+        "repo": "mach-nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1659295566,
+        "narHash": "sha256-ICqvf+Y782V3G2XHe6m43dBkTzv0Y1DPgXcffoNqa2Q=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "33ab71dafbaa6674243830e29b11e8b674f49a70",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1643805626,
+        "narHash": "sha256-AXLDVMG+UaAGsGSpOtQHPIKB+IZ0KSd9WS77aanGzgc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "554d2d8aa25b6e583575459c297ec23750adb6cb",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
+    "pypi-deps-db": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1643877077,
+        "narHash": "sha256-jv8pIvRFTP919GybOxXE5TfOkrjTbdo9QiCO1TD3ZaY=",
+        "owner": "DavHau",
+        "repo": "pypi-deps-db",
+        "rev": "da53397f0b782b0b18deb72ef8e0fb5aa7c98aa3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "DavHau",
+        "repo": "pypi-deps-db",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "dev": "dev",
+        "mach-nix": "mach-nix"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

python/flake.nix

@@ -0,0 +1,30 @@
+{
+  description = "A Nix-flake-based Protobuf development environment";
+
+  inputs = { dev.url = "github:the-nix-way/dev-templates"; mach-nix.url = "github:/DavHau/mach-nix"; };
+
+  outputs = { self, dev, mach-nix }:
+    let inherit (dev.lib) flake-utils nixpkgs;
+    in flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        inherit (pkgs) mkShell;
+
+        python = pkgs.python311;
+
+        machNix = mach-nix.defaultPackage.${system};
+
+        pythonTools = with pkgs; [ virtualenv ] ++ (with pkgs.python311Packages; [ pip ]);
+        nixTools = [ machNix ];
+      in {
+        devShells = {
+          default = mkShell {
+            buildInputs = [ python ] ++ pythonTools ++ nixTools;
+
+            shellHook = ''
+              ${python}/bin/python --version
+            '';
+          };
+        };
+      });
+}