1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/mock-open/default.nix b/nixpkgs/pkgs/development/python-modules/mock-open/default.nix
new file mode 100644
index 000000000000..391ba29a98c8
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/mock-open/default.nix
@@ -0,0 +1,29 @@
+{ lib, buildPythonPackage, fetchFromGitHub, fetchpatch, pythonOlder, mock }:
+
+buildPythonPackage rec {
+  pname = "mock-open";
+  version = "1.4.0";
+
+  # no tests in PyPI tarball
+  src = fetchFromGitHub {
+    owner = "nivbend";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0qlz4y8jqxsnmqg03yp9f87rmnjrvmxm5qvm6n1218gm9k5dixbm";
+  };
+
+  patches = lib.optional (pythonOlder "3.0")
+    (fetchpatch {
+      name = "ascii-only.patch";
+      url = "https://github.com/das-g/mock-open/commit/521ff260da127949fe4aceff1667cba223c5b07b.patch";
+      sha256 = "0ampbhk7kwkn0q5d2h9wrflkr8fji2bybmdck4qdzw1qkslfwwrn";
+    });
+
+  propagatedBuildInputs = lib.optional (pythonOlder "3.3") mock;
+
+  meta = with lib; {
+    homepage = "https://github.com/nivbend/mock-open";
+    description = "A better mock for file I/O";
+    license = licenses.mit;
+  };
+}