From b14ccba40fdb228859f93ce349aa48905ecdf835 Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Fri, 25 Mar 2022 13:43:44 +0100
Subject: l hass: add pyscript dev environment

---
 lass/2configs/hass/default.nix          |  1 +
 lass/2configs/hass/pyscript/.gitignore  |  1 +
 lass/2configs/hass/pyscript/default.nix | 26 +++++++++++++++++
 lass/2configs/hass/pyscript/shell.nix   | 51 +++++++++++++++++++++++++++++++++
 4 files changed, 79 insertions(+)
 create mode 100644 lass/2configs/hass/pyscript/.gitignore
 create mode 100644 lass/2configs/hass/pyscript/default.nix
 create mode 100644 lass/2configs/hass/pyscript/shell.nix

diff --git a/lass/2configs/hass/default.nix b/lass/2configs/hass/default.nix
index 8f93e0ce..cc8189f5 100644
--- a/lass/2configs/hass/default.nix
+++ b/lass/2configs/hass/default.nix
@@ -19,6 +19,7 @@ let
 
 in {
   imports = [
+    ./pyscript
     ./zigbee.nix
     ./rooms/bett.nix
     ./rooms/essen.nix
diff --git a/lass/2configs/hass/pyscript/.gitignore b/lass/2configs/hass/pyscript/.gitignore
new file mode 100644
index 00000000..282debf5
--- /dev/null
+++ b/lass/2configs/hass/pyscript/.gitignore
@@ -0,0 +1 @@
+hass_token
diff --git a/lass/2configs/hass/pyscript/default.nix b/lass/2configs/hass/pyscript/default.nix
new file mode 100644
index 00000000..c56967e4
--- /dev/null
+++ b/lass/2configs/hass/pyscript/default.nix
@@ -0,0 +1,26 @@
+{ config, lib, pkgs, ... }:
+{
+  systemd.tmpfiles.rules = [
+    "L+ /var/lib/hass/custom_components/pyscript - - - - ${pkgs.fetchzip {
+      url = "https://github.com/custom-components/pyscript/releases/download/1.3.2/hass-custom-pyscript.zip";
+      sha256 = "0cqdjj46s5xp4mqxb0ic790jm1xp3z0zr2n9f7bsfl5zpvdshl8z";
+      stripRoot = false;
+    }}"
+  ];
+
+  services.home-assistant = {
+    package = (pkgs.home-assistant.overrideAttrs (old: {
+      doInstallCheck = false;
+    })).override {
+      extraPackages = pp: [ pp.croniter ];
+    };
+    config.pyscript = {
+      allow_all_imports = true;
+      hass_is_global = true;
+    };
+  };
+
+  networking.firewall.interfaces.retiolum.allowedTCPPortRanges = [
+    { from = 50321; to = 50341; } # for ipython interactive debugging
+  ];
+}
diff --git a/lass/2configs/hass/pyscript/shell.nix b/lass/2configs/hass/pyscript/shell.nix
new file mode 100644
index 00000000..3cfac027
--- /dev/null
+++ b/lass/2configs/hass/pyscript/shell.nix
@@ -0,0 +1,51 @@
+{ pkgs ? import <nixpkgs> {} }: let
+
+  hass_host = "styx.r";
+  hass_token = builtins.readFile ./hass_token;
+
+  mach-nix = import (builtins.fetchGit {
+    url = "https://github.com/DavHau/mach-nix/";
+    ref = "refs/tags/3.4.0";
+  }) {
+    pkgs = pkgs;
+  };
+  pyenv = mach-nix.mkPython {
+    requirements = ''
+      hass_pyscript_kernel
+    '';
+  };
+  jupyter = import (builtins.fetchGit {
+    url = https://github.com/tweag/jupyterWith;
+    ref = "master";
+  }) {};
+
+  pyscriptKernel = {
+    spec = pkgs.runCommand "pyscript" {} ''
+      mkdir -p $out/kernels/pyscript
+      cp ${kernel_json} $out/kernels/pyscript/kernel.json
+      cp ${pyscript_conf} $out/kernels/pyscript/pyscript.conf
+    '';
+    runtimePackages = [ pyenv ];
+  };
+
+  kernel_json = pkgs.writeText "kernel.json" (builtins.toJSON {
+    argv = [
+      "${pyenv}/bin/python3" "-m" "hass_pyscript_kernel"
+      "-f" "{connection_file}"
+    ];
+    display_name = "hass_pyscript";
+    language = "python";
+  });
+
+  pyscript_conf = pkgs.writeText "pyscript.conf" ''
+    [homeassistant]
+    hass_host = ${hass_host}
+    hass_url = http://''${hass_host}:8123
+    hass_token = ${hass_token}
+  '';
+
+  jupyterEnvironment = jupyter.jupyterlabWith {
+    kernels = [ pyscriptKernel ];
+  };
+
+in jupyterEnvironment.env
-- 
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