pythonPackages.backports_weakref: init 1.0rc1

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

@@ -0,0 +1,33 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, setuptools_scm
+# , backports
+, python
+}:
+
+buildPythonPackage rec {
+  name = "${pname}-${version}";
+  pname = "backports.weakref";
+  version = "1.0rc1";
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "14i8m3lspykdfpzf50grij3z286j9q8f32f2bnwdicv659qvy4w8";
+  };
+
+  buildInputs = [ setuptools_scm ];
+#   checkInputs = [ backports ];
+
+  # Requires backports package
+  doCheck = false;
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest discover tests
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Backports of new features in Python’s weakref module";
+    license = licenses.psfl;
+    maintainers = with maintainers; [ jpbernardy ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -27571,6 +27571,8 @@ EOF
 
   preshed = callPackage ../development/python-modules/preshed { };
 
+  backports_weakref = callPackage ../development/python-modules/backports_weakref { }; 
+
   thinc = callPackage ../development/python-modules/thinc { };
 
   spacy = callPackage ../development/python-modules/spacy { };
@@ -27580,8 +27582,9 @@ EOF
   pyhamcrest = callPackage ../development/python-modules/pyhamcrest { };
  
   parse = callPackage ../development/python-modules/parse { };
-  
+
   parse-type = callPackage ../development/python-modules/parse-type { };
+
 });
 
 in fix' (extends overrides packages)