Packaging/Python: Difference between revisions

@@ Line 22: / Line 22: @@
 For a local working python environment you can use the following <code>shell.nix</code><ref>https://groups.google.com/forum/#!topic/nix-devel/3qPfwCAV3GE</ref>.
 <syntaxHighlight lang=nix>
-with import <nixpkgs> {};
+{ pkgs ? import <nixpkgs> { } }:
-stdenv.mkDerivation {
+let
-   name = "pip-env";
+   pythonEnv = pkgs.python3.withPackages(ps: [
-  buildInputs = [
+     ps.requests
-     # System requirements.
+  ]);
-    readline
-    # Python requirements (enough to get a virtualenv going).
+in
-    python27Full
+pkgs.mkShell {
-     python27Packages.virtualenv
+  packages = [
-    python27Packages.pip
+     pythonEnv
    ];
-  src = null;
-  shellHook = ''
-    # Allow the use of wheels.
-    SOURCE_DATE_EPOCH=$(date +%s)
-    # Augment the dynamic linker path
-    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${R}/lib/R/lib:${readline}/lib
-  '';
 }
 </syntaxHighlight>