From 224251d104723871fe6cc07149b57b0ac97c3ee4 Mon Sep 17 00:00:00 2001
From: Florian Friesdorf <flo@chaoflow.net>
Date: Fri, 23 Nov 2012 17:27:12 +0100
Subject: [PATCH 1/2] python-offline-distutils

---
 .../offline-distutils/default.nix             | 21 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  4 ++++
 2 files changed, 25 insertions(+)
 create mode 100644 pkgs/development/python-modules/offline-distutils/default.nix

diff --git a/pkgs/development/python-modules/offline-distutils/default.nix b/pkgs/development/python-modules/offline-distutils/default.nix
new file mode 100644
index 000000000000..2ed41b08bb71
--- /dev/null
+++ b/pkgs/development/python-modules/offline-distutils/default.nix
@@ -0,0 +1,21 @@
+# Used during module installation to prevent easy_install and python
+# setup.py install/test from downloading
+
+{ stdenv, python }:
+
+stdenv.mkDerivation {
+  name = "python-offline-distutils-${python.version}";
+
+  buildInputs = [ python ];
+
+  unpackPhase = "true";
+  installPhase = ''
+    dst="$out/lib/${python.libPrefix}"
+    ensureDir $dst/distutils
+    ln -s ${python}/lib/${python.libPrefix}/distutils/* $dst/distutils/
+    cat <<EOF > $dst/distutils/distutils.cfg
+[easy_install]
+allow-hosts = None
+EOF
+  '';
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 761f63d4be6d..318ce39022e2 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -18,6 +18,10 @@ let pythonPackages = python.modules // rec {
     inherit python wrapPython;
   };
 
+  offlineDistutils = import ../development/python-modules/offline-distutils {
+    inherit (pkgs) stdenv;
+    inherit python;
+  };
 
   ipython = import ../shells/ipython {
     inherit (pkgs) stdenv fetchurl;

From ad8a4c73fa487deb2a1f2d4814f50acb8a647f5e Mon Sep 17 00:00:00 2001
From: Florian Friesdorf <flo@chaoflow.net>
Date: Fri, 23 Nov 2012 17:27:55 +0100
Subject: [PATCH 2/2] use offline-disutils in buildPythonPackage

---
 pkgs/development/python-modules/generic/builder.sh  | 10 ++++++++++
 pkgs/development/python-modules/generic/default.nix |  4 +++-
 pkgs/top-level/python-packages.nix                  |  2 +-
 3 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/development/python-modules/generic/builder.sh

diff --git a/pkgs/development/python-modules/generic/builder.sh b/pkgs/development/python-modules/generic/builder.sh
new file mode 100644
index 000000000000..52b66aaf6a67
--- /dev/null
+++ b/pkgs/development/python-modules/generic/builder.sh
@@ -0,0 +1,10 @@
+source $stdenv/setup
+
+# do not allow distutils to make downloads, whatever install command is used
+export PYTHONPATH="${setuptools}/lib/${python.libPrefix}:$PYTHONPATH"
+export PYTHONPATH="${offlineDistutils}/lib/${python.libPrefix}:$PYTHONPATH"
+
+# enable pth files for dependencies
+export PYTHONPATH="${site}/lib/${python.libPrefix}/site-packages:$PYTHONPATH"
+
+genericBuild
diff --git a/pkgs/development/python-modules/generic/default.nix b/pkgs/development/python-modules/generic/default.nix
index 4e0b61002316..394bfcbc7cd0 100644
--- a/pkgs/development/python-modules/generic/default.nix
+++ b/pkgs/development/python-modules/generic/default.nix
@@ -3,7 +3,7 @@
    (http://pypi.python.org/pypi/setuptools/), which represents a large
    number of Python packages nowadays.  */
 
-{ python, setuptools, wrapPython, lib }:
+{ python, setuptools, wrapPython, lib, offlineDistutils }:
 
 { name, namePrefix ? "python-"
 
@@ -45,6 +45,8 @@ python.stdenv.mkDerivation (attrs // {
 
   buildInputs = [ python wrapPython setuptools ] ++ buildInputs ++ pythonPath;
 
+  builder = ./builder.sh
+
   pythonPath = [ setuptools] ++ pythonPath;
 
   # XXX: Should we run `easy_install --always-unzip'?  It doesn't seem
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 318ce39022e2..cc8aea98cf55 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9,7 +9,7 @@ let pythonPackages = python.modules // rec {
 
   buildPythonPackage = import ../development/python-modules/generic {
     inherit (pkgs) lib;
-    inherit python wrapPython setuptools;
+    inherit python wrapPython setuptools offlineDistutils;
   };