diff --git a/pkgs/development/python-modules/aspectlib/default.nix b/pkgs/development/python-modules/aspectlib/default.nix
new file mode 100644
index 000000000000..70fd8e8db2e2
--- /dev/null
+++ b/pkgs/development/python-modules/aspectlib/default.nix
@@ -0,0 +1,65 @@
+{ lib
+, buildPythonPackage
+, pythonOlder
+, fetchPypi
+, fetchpatch
+, setuptools
+, fields
+, process-tests
+, pytestCheckHook
+, tornado
+}:
+
+buildPythonPackage rec {
+  pname = "aspectlib";
+  version = "2.0.0";
+
+  disabled = pythonOlder "3.7";
+
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-pLRhudoLUxrry5PvzePegIpyxgIm3Y2QLEZ9E/r3zpI=";
+  };
+
+  patches = [
+    # https://github.com/ionelmc/python-aspectlib/pull/25
+    (fetchpatch {
+      name = "darwin-compat.patch";
+      url = "https://github.com/ionelmc/python-aspectlib/commit/ef2c12304f08723dc8e79d1c59bc32c946d758dc.patch";
+      hash = "sha256-gtPFtwDsGIMkHTyuoiLk+SAGgB2Wyx/Si9HIdoIsvI8=";
+    })
+  ];
+
+  nativeBuildInputs = [
+    setuptools
+  ];
+
+  propagatedBuildInputs = [
+    fields
+  ];
+
+  pythonImportsCheck = [
+    "aspectlib"
+    "aspectlib.contrib"
+    "aspectlib.debug"
+    "aspectlib.test"
+  ];
+
+  checkInputs = [
+    process-tests
+    pytestCheckHook
+    tornado
+  ];
+
+  __darwinAllowLocalNetworking = true;
+
+  meta = {
+    changelog = "https://github.com/ionelmc/python-aspectlib/blob/v${version}/CHANGELOG.rst";
+    description = "Aspect-oriented programming, monkey-patch and decorators library";
+    homepage = "https://github.com/ionelmc/python-aspectlib";
+    license = lib.licenses.bsd2;
+    maintainers = with lib.maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ca10f5ac7fa2..eab048c633ad 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -654,6 +654,8 @@ self: super: with self; {
 
   asn1tools = callPackage ../development/python-modules/asn1tools { };
 
+  aspectlib = callPackage ../development/python-modules/aspectlib { };
+
   aspell-python = callPackage ../development/python-modules/aspell-python { };
 
   aspy-refactor-imports = callPackage ../development/python-modules/aspy-refactor-imports { };