From fea610bb94c5590c89fed7926000c062c0ff6411 Mon Sep 17 00:00:00 2001
From: Aaron Andersen <aaron@fosslib.net>
Date: Thu, 23 Nov 2023 08:52:20 -0500
Subject: [PATCH] python3Packages.pulp: add cbc solver

---
 pkgs/development/python-modules/pulp/default.nix | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/python-modules/pulp/default.nix b/pkgs/development/python-modules/pulp/default.nix
index 816af17c69fd..6ecd6d4ba8c0 100644
--- a/pkgs/development/python-modules/pulp/default.nix
+++ b/pkgs/development/python-modules/pulp/default.nix
@@ -1,4 +1,5 @@
 { lib
+, cbc
 , amply
 , buildPythonPackage
 , fetchFromGitHub
@@ -21,6 +22,12 @@ buildPythonPackage rec {
     hash = "sha256-j0f6OiscJyTqPNyLp0qWRjCGLWuT3HdU1S/sxpnsiMo=";
   };
 
+  postPatch = ''
+    sed -i pulp/pulp.cfg.linux \
+      -e 's|CbcPath = .*|CbcPath = ${cbc}/bin/cbc|' \
+      -e 's|PulpCbcPath = .*|PulpCbcPath = ${cbc}/bin/cbc|'
+  '';
+
   propagatedBuildInputs = [
     amply
     pyparsing
@@ -34,14 +41,8 @@ buildPythonPackage rec {
     "pulp"
   ];
 
-  disabledTests = [
-    # The solver is not available
-    "PULP_CBC_CMDTest"
-    "test_examples"
-  ];
-
   meta = with lib; {
-    description = "Module to generate  generate MPS or LP files";
+    description = "Module to generate MPS or LP files";
     homepage = "https://github.com/coin-or/pulp";
     license = licenses.mit;
     maintainers = with maintainers; [ teto ];