From d8b202698ce48e43dbe3f7fb9d704136615d1254 Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Fri, 17 Aug 2018 01:34:39 +0200
Subject: [PATCH 1/2] mypy-protobuf: init at 1.6

---
 .../python-modules/mypy-protobuf/default.nix  | 20 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 ++
 2 files changed, 22 insertions(+)
 create mode 100644 pkgs/development/python-modules/mypy-protobuf/default.nix

diff --git a/pkgs/development/python-modules/mypy-protobuf/default.nix b/pkgs/development/python-modules/mypy-protobuf/default.nix
new file mode 100644
index 00000000000..37e1b88a248
--- /dev/null
+++ b/pkgs/development/python-modules/mypy-protobuf/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, fetchPypi, buildPythonApplication, protobuf }:
+
+buildPythonApplication rec {
+  pname = "mypy-protobuf";
+  version = "1.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1bmpd82qm7rjnzc4i275lm18mmz8anhrjhwq2ci179l64hrfr0nb";
+  };
+
+  propagatedBuildInputs = [ protobuf ];
+
+  meta = with stdenv.lib; {
+    description = "Generate mypy stub files from protobuf specs";
+    homepage = "https://github.com/dropbox/mypy-protobuf";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ lnl7 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ebbcccd6f3d..1b1d2539115 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7866,6 +7866,8 @@ in {
 
   mypy = callPackage ../development/python-modules/mypy { };
 
+  mypy-protobuf = callPackage ../development/python-modules/mypy-protobuf { };
+
   mwclient = buildPythonPackage rec {
     version = "0.8.3";
     pname = "mwclient";

From 8bef91d84a51d7cc7c2774dd4b2fea840f95a91f Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Fri, 17 Aug 2018 01:35:17 +0200
Subject: [PATCH 2/2] protobuf: fix missing google.protobuf.compiler

---
 pkgs/development/python-modules/protobuf/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/protobuf/default.nix b/pkgs/development/python-modules/protobuf/default.nix
index 1a345b19ef9..9059080c919 100644
--- a/pkgs/development/python-modules/protobuf/default.nix
+++ b/pkgs/development/python-modules/protobuf/default.nix
@@ -28,7 +28,10 @@ buildPythonPackage rec {
     export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION_VERSION=2
   '';
 
-  preBuild = optionalString (versionAtLeast protobuf.version "2.6.0") ''
+  preBuild = ''
+    # Workaround for https://github.com/google/protobuf/issues/2895
+    ${python}/bin/${python.executable} setup.py build
+  '' + optionalString (versionAtLeast protobuf.version "2.6.0") ''
     ${python}/bin/${python.executable} setup.py build_ext --cpp_implementation
   '';