初始化

flake.nix

@@ -0,0 +1,39 @@
+{
+  description = "MaiMBot Nix Dev Env";
+
+  inputs = {
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    utils,
+    ...
+  }:
+    utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {inherit system;};
+      pythonPackages = pkgs.python3Packages;
+    in {
+      devShells.default = pkgs.mkShell {
+        name = "python-venv";
+        venvDir = "./.venv";
+        buildInputs = with pythonPackages; [
+          python
+          venvShellHook
+          scipy
+          numpy
+        ];
+
+        postVenvCreation = ''
+          unset SOURCE_DATE_EPOCH
+          pip install -r requirements.txt
+        '';
+
+        postShellHook = ''
+          # allow pip to install wheels
+          unset SOURCE_DATE_EPOCH
+        '';
+      };
+    });
+}