1 files changed, 21 insertions, 1 deletions
diff --git a/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix b/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
index 3d0b80c4c5a..68d854f2648 100644
--- a/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
+++ b/pkgs/development/tools/poetry2nix/poetry2nix/lib.nix
@@ -30,7 +30,27 @@ let
     in
       (builtins.foldl' combine initial tokens).state;
 
-  readTOML = path: builtins.fromTOML (builtins.readFile path);
+  fromTOML = builtins.fromTOML or
+    (
+      toml: builtins.fromJSON (
+        builtins.readFile (
+          pkgs.runCommand "from-toml"
+            {
+              inherit toml;
+              allowSubstitutes = false;
+              preferLocalBuild = true;
+            }
+            ''
+              ${pkgs.remarshal}/bin/remarshal \
+                -if toml \
+                -i <(echo "$toml") \
+                -of json \
+                -o $out
+            ''
+        )
+      )
+    );
+  readTOML = path: fromTOML (builtins.readFile path);
 
   #
   # Returns the appropriate manylinux dependencies and string representation for the file specified