seamless editable package in nix dev shell

urbas · Dec 1, 2024 · 8b9e24e · 8b9e24e
1 parent 5bc0320
commit 8b9e24e
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Showing 4 changed files with 14 additions and 12 deletions.
diff --git a/.envrc b/.envrc
@@ -1,9 +1,2 @@
 use flake
 nix profile wipe-history --profile "$(direnv_layout_dir)/flake-profile" --older-than 14d
-
-if [[ -n "${DEV_INSTALL_EDITABLE:-}" ]]; then
-  install_dir=$(mktemp -d)
-  PIP_DISABLE_PIP_VERSION_CHECK=1 pip install -e . --prefix $install_dir
-  export PATH=$install_dir/bin:$PATH
-  export PYTHONPATH=.:$PYTHONPATH
-fi
diff --git a/flake.lock b/flake.lock
diff --git a/flake.nix b/flake.nix
@@ -32,6 +32,16 @@
           ];
         };
 
+        editablePkg = pkg.overrideAttrs (oldAttrs: {
+          nativeBuildInputs = oldAttrs.nativeBuildInputs ++ [
+            (python3.pkgs.mkPythonEditablePackage {
+              pname = pyproject.project.name;
+              inherit (pyproject.project) scripts version;
+              root = "$PWD";
+            })
+          ];
+        });
+
       in {
         packages.default = pkg;
         devShells.default = mkShell {
@@ -47,7 +57,7 @@
             twine
             types-pyyaml
           ];
-          inputsFrom = [ pkg ];
+          inputsFrom = [ editablePkg ];
         };
       });
 }
diff --git a/pyproject.toml b/pyproject.toml
@@ -48,7 +48,6 @@ lint.ignore = [
     "INP", # implicit-namespace-packagepydocstyle
     "ISC001", # Implicitly concatenated string literals on one line
     "S101", # Use of `assert` detected
-    "PT005", # fixture with leading `_` returns a value
     "PLR2004", # magic value in comparison
     "TRY400", # use logging.exception
 ]