pip2nix: cleanups and NEW package

default.nix

@@ -142,7 +142,7 b' let'
         mkdir -p $out/bin
 
         # expose python
-        ln -s ${self.python}/bin/python $out/bin/
+        ln -s ${pkgs.pythonWithSetuptools}/bin/python $out/bin/
 
         # required binaries from dependencies
         ln -s ${self.gunicorn}/bin/gunicorn $out/bin/

pkgs/nix-common/pip2nix.nix

@@ -14,4 +14,12 b' rec {'
       pythonPackages;
   };
 
+  pip-tools = pythonPackages.pip-tools;
+
+  setuptools = pythonPackages.setuptools;
+
+  wheel = pythonPackages.wheel;
+
+  pip = pythonPackages.pip;
+
 }

pkgs/overlays.nix

@@ -1,5 +1,9 b''
 self: super: {
 
+  pythonWithSetuptools = self.python.withPackages(ps: with ps; [
+    setuptools
+  ]);
+
   # change GIT version
   # latest supported are in: https://github.com/NixOS/nixpkgs/tree/master/pkgs/applications/version-management/git-and-tools/git
   git = super.lib.overrideDerivation super.git (oldAttrs: {
@@ -68,5 +72,4 b' self: super: {'
 
   });
 
-
 }

pkgs/shell-generate.nix

@@ -26,7 +26,9 b' pkgs.stdenv.mkDerivation {'
   buildInputs = [
     # Allows to generate python packages
     pip2nix.pip2nix
-    pythonPackages.pip-tools
+    pip2nix.pip
+    pip2nix.pip-tools
+
     # compile using ffi
     pkgs.libffi
 
@@ -49,11 +51,10 b' pkgs.stdenv.mkDerivation {'
     export TMPDIR=/tmp
     export LOCALE_ARCHIVE="${pkgs.glibcLocales}/lib/locale/locale-archive"
     export LC_ALL="en_US.UTF-8"
+    export PYCURL_SSL_LIBRARY=openssl
 
     # Custom prompt to distinguish from other dev envs.
     export PS1="\n\[\033[1;32m\][pip2nix-generate-shell]$\[\033[0m\] "
 
-    export PYCURL_SSL_LIBRARY=openssl
-
   '';
 }