Move robust library setting for python venv template, poetry template uses poetry2nix environment

templates/poetry.nix

@@ -1,20 +1,10 @@
-{ pkgs ? import <nixpkgs> {}, ... }:
+{ pkgs ? import <nixpkgs> { } }:
-
+let
-pkgs.mkShell {
+  myAppEnv = pkgs.poetry2nix.mkPoetryEnv {
-  packages = with pkgs; [
+    projectDir = ./.;
-    python39
+    editablePackageSources = {
-    (poetry.override { python3 = python39; })
+      my-app = ./src;
-    git
+    };
-    zlib
+  };
-    libgccjit
+in
-    glibc
+myAppEnv.env
-    glibc_multi
-  ];
-
-  shellHook = ''
-    export LD_LIBRARY_PATH="${pkgs.glibc}/lib:${pkgs.glibc_multi}/lib:${pkgs.zlib}/lib:${pkgs.libgccjit}/lib"
-    [ ! -f "pyproject.toml" ] && poetry init -n
-    poetry env use "$(command -v ${pkgs.python39}/bin/python)"
-    [ -d "./.venv" ] && source .venv/bin/activate
-  '';
-}

templates/python.nix

@@ -1,21 +0,0 @@
-{ pkgs ? import <nixpkgs> {}, python ? pkgs.python39, ... }:
-
-let
-  python-packages = ps: with ps; [
-    pip
-    setuptools
-    wheel
-  ];
-in
-pkgs.mkShell {
-  nativeBuildInputs = with pkgs; [
-    (python.withPackages python-packages)
-    git
-    zlib
-    libgccjit
-  ];
-
-  shellHook = ''
-    export LD_LIBRARY_PATH="${pkgs.zlib}/lib:${pkgs.libgccjit}/lib"
-  '';
-}

templates/venv.nix

@@ -1,4 +1,4 @@
-{ pkgs ? import <nixpkgs> {}, python ? pkgs.python39, ... }:
+{ pkgs ? import <nixpkgs> { }, python ? pkgs.python39, ... }:
 
 let
   python-packages = ps: with ps; [
@@ -11,12 +11,10 @@ pkgs.mkShell {
   nativeBuildInputs = with pkgs; [
     (python.withPackages python-packages)
     git
-    zlib
-    libgccjit
   ];
 
   shellHook = ''
-    export LD_LIBRARY_PATH="${pkgs.zlib}/lib:${pkgs.libgccjit}/lib"
+    export LD_LIBRARY_PATH="${pkgs.stdenv.cc.cc.lib}/lib/"
     python -m venv .venv
     source .venv/bin/activate
     pip list --outdated | grep -iE "^(pip|wheel)" > /dev/null && python -m pip install --upgrade pip wheel