Подсчёт ответов, сломана статистика

2026-03-22 15:44:59 +04:00
commit 87addcda63
5 changed files with 201 additions and 0 deletions
--- a/flake.nix
+++ b/flake.nix
@@ -0,0 +1,46 @@
+{
+  description = "Python dev environment with pip, venv, and required C libraries";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" "aarch64-linux" ];
+      forAllSystems = f: nixpkgs.lib.genAttrs systems (system:
+        f { pkgs = import nixpkgs { inherit system; }; });
+    in
+    {
+      devShells = forAllSystems ({ pkgs }: {
+        default = pkgs.mkShell {
+          buildInputs = [
+            pkgs.python313
+            pkgs.gcc
+            pkgs.zlib
+            pkgs.libffi
+          ];
+
+          shellHook = ''
+            echo "Python dev environment ready 🐍"
+
+            # пробрасываем библиотеки для C-расширений
+            export LD_LIBRARY_PATH="${pkgs.stdenv.cc.cc.lib}/lib:${pkgs.zlib}/lib:${pkgs.libffi}/lib:$LD_LIBRARY_PATH"
+
+            if [ ! -d ".venv" ]; then
+              echo "Creating virtualenv in .venv..."
+              python -m venv .venv
+              echo "Activating virtualenv and installing numpy/pandas..."
+              . .venv/bin/activate
+              pip install --upgrade pip
+              pip install numpy pandas scipy
+            else
+              . .venv/bin/activate
+            fi
+
+            echo "Virtualenv activated!"
+          '';
+        };
+      });
+    };
+}