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-rw-r--r--pkgs/development/python-modules/lz4/default.nix17
1 files changed, 9 insertions, 8 deletions
diff --git a/pkgs/development/python-modules/lz4/default.nix b/pkgs/development/python-modules/lz4/default.nix
index 9e2cc9b31e155..c6966e632f05e 100644
--- a/pkgs/development/python-modules/lz4/default.nix
+++ b/pkgs/development/python-modules/lz4/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pythonOlder
+, python
 
 # native inputs
 , pkgconfig
@@ -14,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "python-lz4";
-  version = "3.1.12";
+  version = "4.0.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.5";
@@ -24,7 +25,7 @@ buildPythonPackage rec {
     owner = pname;
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-fqt9aJGqZpfbiYtU8cmm7UQaixZwbTKFBwRfR1B/qic=";
+    sha256 = "sha256-9gp67i2fotvFOpkaQZ82/YKnDEs3DnzXfuNCVRJg88I=";
   };
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;
@@ -50,13 +51,13 @@ buildPythonPackage rec {
     psutil
   ];
 
-  # leave build directory, so the installed library gets imported
-  preCheck = ''
-    pushd tests
-  '';
+  # for lz4.steam
+  PYLZ4_EXPERIMENTAL = true;
 
-  postCheck = ''
-    popd
+  # prevent local lz4 directory from getting imported as it lacks native extensions
+  preCheck = ''
+    rm -r lz4
+    export PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
   '';
 
   meta = with lib; {