From 26fee1890ca04e72eeca4a6f01ff0c6ccf4eedcb Mon Sep 17 00:00:00 2001
From: Jeremy Penner <jeremy@sporktania.com>
Date: Sat, 30 Jan 2021 20:25:04 -0500
Subject: [PATCH] Actually fix mysqlclient 1.4.6 on nixos-20.09

---
 default.nix | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/default.nix b/default.nix
index a0df73b..3951676 100644
--- a/default.nix
+++ b/default.nix
@@ -2,15 +2,20 @@
 let
     python = let
       packageOverrides = self: super: {
-        mysqlclient = super.mysqlclient.overridePythonAttrs(old: rec {
+        # on nixos-20.09, mysqlclient is marked disabled when using python 2.7
+        # disabled can't be overridden, so we recreate the package definition from scratch
+        # https://github.com/NixOS/nixpkgs/issues/48663
+        mysqlclient = super.buildPythonPackage rec {
+          pname = "mysqlclient";
           version = "1.4.6";
-          disabled = false;
+          nativeBuildInputs = [pkgs.libmysqlclient];
+          buildInputs = [pkgs.libmysqlclient];
+          doCheck = false;
           src = super.fetchPypi {
-            pname = old.pname;
-            inherit version;
+            inherit pname version;
             sha256 = "f3fdaa9a38752a3b214a6fe79d7cae3653731a53e577821f9187e67cbecb2e16";
           };
-        });
+        };
       };
     in pkgs.python2.override { inherit packageOverrides; self = python; };
     pyenv = pypkgs: with pypkgs; [