initial commit

2026-04-16 12:08:04 -04:00
commit f49c944efe
9 changed files with 1540 additions and 0 deletions
--- a/flake.nix
+++ b/flake.nix
@@ -0,0 +1,129 @@
+# Usage:
+#   - Shell: `nix develop`
+#   - Direnv (https://direnv.net/): `.envrc` content of `use flake`
+#   - Build: `nix build`
+#   - Run:   `nix run`
+
+{
+  description = "Slack Local Reader";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    { self
+    , nixpkgs
+    , flake-utils
+    ,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        python = pkgs.python312;
+
+        # ── Python Dependency Overrides ──────────────────────────────
+        #
+        # dfindexeddb pins python-snappy==0.6.1 and zstd==1.5.5.1.
+        # nixpkgs ships newer versions, so we build the exact pins
+        # from PyPI source tarballs.
+
+        pythonPackages = python.pkgs;
+
+        python-snappy = pythonPackages.buildPythonPackage rec {
+          pname = "python-snappy";
+          version = "0.6.1";
+          format = "setuptools";
+
+          src = pkgs.fetchurl {
+            url = "https://files.pythonhosted.org/packages/98/7a/44a24bad98335b2c72e4cadcdecf79f50197d1bab9f22f863a274f104b96/python-snappy-0.6.1.tar.gz";
+            hash = "sha256-tqEHqwYgasxTWdTFYyvZsi1EhwKnmzFpsMYuD7gIuyo=";
+          };
+
+          buildInputs = [ pkgs.snappy ];
+
+          # Tests require snappy test fixtures not present in sdist
+          doCheck = false;
+        };
+
+        zstd-python = pythonPackages.buildPythonPackage rec {
+          pname = "zstd";
+          version = "1.5.5.1";
+          format = "setuptools";
+
+          src = pkgs.fetchurl {
+            url = "https://files.pythonhosted.org/packages/source/z/zstd/zstd-1.5.5.1.tar.gz";
+            hash = "sha256-HvmAq/Dh4HKwKNLXbvlbR2YyZRyWIlzzC2Gcbu9iVnI=";
+          };
+
+          # Bundled C sources — no external zstd library needed
+          doCheck = false;
+        };
+
+        dfindexeddb = pythonPackages.buildPythonPackage rec {
+          pname = "dfindexeddb";
+          version = "20260210";
+          format = "setuptools";
+
+          src = pkgs.fetchurl {
+            url = "https://files.pythonhosted.org/packages/source/d/dfindexeddb/dfindexeddb-20260210.tar.gz";
+            hash = "sha256-4ahEe4Lpoh0oqGR6kI7J1HEGfvKVEzu3qQ+3ykgFd/Y=";
+          };
+
+          propagatedBuildInputs = [
+            python-snappy
+            zstd-python
+          ];
+
+          doCheck = false;
+        };
+
+        # ── Slack CLI Package ────────────────────────────────────────
+
+        slack-cli = pythonPackages.buildPythonApplication {
+          pname = "slack-cli";
+          version = "0.1.0";
+          format = "pyproject";
+
+          src = let
+            fs = pkgs.lib.fileset;
+          in
+          fs.toSource {
+            root = ./.;
+            fileset = fs.unions [
+              ./pyproject.toml
+              ./slack_cli
+            ];
+          };
+
+          build-system = [ pythonPackages.setuptools ];
+
+          dependencies = [ dfindexeddb ];
+
+          doCheck = false;
+
+          meta = {
+            description = "Read Slack messages from local Chromium IndexedDB cache";
+            mainProgram = "slack-cli";
+          };
+        };
+      in
+      {
+        packages.default = slack-cli;
+
+        devShells.default = pkgs.mkShell {
+          packages = with pkgs; [
+            python
+            uv
+            snappy
+          ];
+
+          shellHook = ''
+            export UV_PYTHON_PREFERENCE=only-system
+          '';
+        };
+      }
+    );
+}