From 20543fc7928adb73c23cc075218f8d4e4fe0657e Mon Sep 17 00:00:00 2001
From: Luca Bruno <lethalman88@gmail.com>
Date: Fri, 7 Aug 2015 11:51:45 +0200
Subject: [PATCH] python-cryptography: use older cffi. Closes #9157

---
 pkgs/top-level/python-packages.nix | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b4ff86612272..22c72ad42237 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2300,7 +2300,7 @@ let
 
     buildInputs = [ pkgs.openssl self.pretend self.cryptography_vectors
                     self.iso8601 self.pyasn1 self.pytest ];
-    propagatedBuildInputs = [ self.six ] ++ optional (!isPyPy) self.cffi;
+    propagatedBuildInputs = [ self.six ] ++ optional (!isPyPy) self.cffi_0_8;
   };
 
   cryptography_vectors = buildPythonPackage rec {
@@ -2402,6 +2402,21 @@ let
     };
   };
 
+  cffi_0_8 = buildPythonPackage rec {
+    name = "cffi-0.8.6";
+ 
+    src = pkgs.fetchurl {
+      url = "http://pypi.python.org/packages/source/c/cffi/${name}.tar.gz";
+      sha256 = "0406j3sgndmx88idv5zxkkrwfqxmjl18pj8gf47nsg4ymzixjci5";
+    };
+
+    propagatedBuildInputs = with self; [ pkgs.libffi pycparser ];
+
+    meta = {
+      maintainers = with maintainers; [ iElectric ];
+    };
+  };
+
   cffi = buildPythonPackage rec {
     name = "cffi-1.1.2";