mdformat: support plugins

pkgs/development/python-modules/mdformat/default.nix

@@ -1,63 +1,100 @@
 { lib
+, buildPythonApplication
 , buildPythonPackage
 , fetchFromGitHub
 , importlib-metadata
+, makeWrapper
 , markdown-it-py
 , poetry-core
 , pytestCheckHook
+, python3
 , pythonOlder
 , setuptools
 , tomli
 , typing-extensions
 }:
 
-buildPythonPackage rec {
-  pname = "mdformat";
-  version = "0.7.16";
-  format = "pyproject";
+let
+  withPlugins = plugins: buildPythonApplication {
+    pname = "${package.pname}";
+    inherit (package) version;
+    format = "other";
 
-  disabled = pythonOlder "3.7";
+    disabled = pythonOlder "3.7";
 
-  src = fetchFromGitHub {
-    owner = "executablebooks";
-    repo = pname;
-    rev = version;
-    hash = "sha256-6MWUkvZp5CYUWsbMGXM2gudjn5075j5FIuaNnCrgRNs=";
+    dontUnpack = true;
+    dontBuild = true;
+    doCheck = false;
+
+    nativeBuildInputs = [
+      makeWrapper
+    ];
+
+    installPhase = ''
+      makeWrapper ${package}/bin/mdformat $out/bin/mdformat \
+        --prefix PYTHONPATH : "${package}/${python3.sitePackages}:$PYTHONPATH"
+      ln -sfv ${package}/lib $out/lib
+    '';
+
+    propagatedBuildInputs = package.propagatedBuildInputs ++ plugins;
+
+    passthru = package.passthru // {
+      withPlugins = morePlugins: withPlugins (morePlugins ++ plugins);
+    };
+
+    meta.mainProgram = "mdformat";
   };
 
-  nativeBuildInputs = [
-    poetry-core
-    setuptools
-  ];
+  package = buildPythonPackage rec {
+    pname = "mdformat";
+    version = "0.7.16";
+    format = "pyproject";
 
-  propagatedBuildInputs = [
-    markdown-it-py
-    tomli
-  ] ++ lib.optionals (pythonOlder "3.10") [
-    importlib-metadata
-  ] ++ lib.optionals (pythonOlder "3.7") [
-    typing-extensions
-  ];
+    disabled = pythonOlder "3.7";
 
-  nativeCheckInputs = [
-    pytestCheckHook
-  ];
+    src = fetchFromGitHub {
+      owner = "executablebooks";
+      repo = pname;
+      rev = version;
+      hash = "sha256-6MWUkvZp5CYUWsbMGXM2gudjn5075j5FIuaNnCrgRNs=";
+    };
 
-  disabledTests = [
-    # AssertionError
-    "test_no_codeblock_trailing_newline"
-    # Issue with upper/lower case
-    "default_style.md-options0"
-  ];
+    nativeBuildInputs = [
+      poetry-core
+      setuptools
+    ];
 
-  pythonImportsCheck = [
-    "mdformat"
-  ];
+    propagatedBuildInputs = [
+      markdown-it-py
+      tomli
+    ] ++ lib.optionals (pythonOlder "3.10") [
+      importlib-metadata
+    ] ++ lib.optionals (pythonOlder "3.7") [
+      typing-extensions
+    ];
 
-  meta = with lib; {
-    description = "CommonMark compliant Markdown formatter";
-    homepage = "https://mdformat.rtfd.io/";
-    license = with licenses; [ mit ];
-    maintainers = with maintainers; [ fab ];
+    nativeCheckInputs = [
+      pytestCheckHook
+    ];
+
+    disabledTests = [
+      # AssertionError
+      "test_no_codeblock_trailing_newline"
+      # Issue with upper/lower case
+      "default_style.md-options0"
+    ];
+
+    pythonImportsCheck = [
+      "mdformat"
+    ];
+
+    passthru = {inherit withPlugins;};
+
+    meta = with lib; {
+      description = "CommonMark compliant Markdown formatter";
+      homepage = "https://mdformat.rtfd.io/";
+      license = with licenses; [ mit ];
+      maintainers = with maintainers; [ fab aldoborrero ];
+    };
   };
-}
+in package