Add 'nixpkgs/' from commit '2436c27541b2f52deea3a4c1691216a02152e729'

git-subtree-dir: nixpkgs
git-subtree-mainline: 1148b1d122bc03e9a3665856c9b7bb96bd4e3994
git-subtree-split: 2436c27541b2f52deea3a4c1691216a02152e729

1 files changed, 66 insertions, 0 deletions

diff --git a/nixpkgs/pkgs/development/python-modules/protobuf/default.nix b/nixpkgs/pkgs/development/python-modules/protobuf/default.nix
new file mode 100644
index 00000000000..d5ff4b04c59
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/protobuf/default.nix
@@ -0,0 +1,66 @@
+{ stdenv, fetchpatch, python, buildPythonPackage, isPy37
+, protobuf, google_apputils, pyext, libcxx
+, disabled, doCheck ? true }:
+
+with stdenv.lib;
+
+buildPythonPackage {
+  inherit (protobuf) name src version;
+  inherit disabled doCheck;
+
+  NIX_CFLAGS_COMPILE =
+    # work around python distutils compiling C++ with $CC
+    optional stdenv.isDarwin "-I${libcxx}/include/c++/v1"
+    ++ optional (versionOlder protobuf.version "2.7.0") "-std=c++98";
+
+  propagatedBuildInputs = [ google_apputils ];
+  propagatedNativeBuildInputs = [ protobuf ];  # For protoc.
+  nativeBuildInputs = [ google_apputils pyext ];
+  buildInputs = [ protobuf ];
+
+  patches = optional (isPy37 && (versionOlder protobuf.version "3.6.1.2"))
+    # Python 3.7 compatibility (not needed for protobuf >= 3.6.1.2)
+    (fetchpatch {
+      url = "https://github.com/protocolbuffers/protobuf/commit/0a59054c30e4f0ba10f10acfc1d7f3814c63e1a7.patch";
+      sha256 = "09hw22y3423v8bbmc9xm07znwdxfbya6rp78d4zqw6fisdvjkqf1";
+      stripLen = 1;
+    })
+  ;
+
+  prePatch = ''
+    while [ ! -d python ]; do
+      cd *
+    done
+    cd python
+  '';
+
+  preConfigure = optionalString (versionAtLeast protobuf.version "2.6.0") ''
+    export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp
+    export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION_VERSION=2
+  '';
+
+  preBuild = ''
+    # Workaround for https://github.com/google/protobuf/issues/2895
+    ${python.interpreter} setup.py build
+  '' + optionalString (versionAtLeast protobuf.version "2.6.0") ''
+    ${python.interpreter} setup.py build_ext --cpp_implementation
+  '';
+
+  installFlags = optional (versionAtLeast protobuf.version "2.6.0")
+    "--install-option='--cpp_implementation'";
+
+  # the _message.so isn't installed, so we'll do that manually.
+  # if someone can figure out a less hacky way to get the _message.so to
+  # install, please do replace this.
+  postInstall = optionalString (versionAtLeast protobuf.version "2.6.0") ''
+    cp -v $(find build -name "_message*") $out/${python.sitePackages}/google/protobuf/pyext
+  '';
+
+  meta = {
+    description = "Protocol Buffers are Google's data interchange format";
+    homepage = https://developers.google.com/protocol-buffers/;
+    license = licenses.bsd3;
+  };
+
+  passthru.protobuf = protobuf;
+}