l hass: add pyscript dev environment

1 files changed, 51 insertions, 0 deletions

diff --git a/lass/2configs/hass/pyscript/shell.nix b/lass/2configs/hass/pyscript/shell.nix
new file mode 100644
index 000000000..3cfac0275
--- /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