forked from mirrors/nixpkgs
f20a66084f
Python packages depending on the protobuf library often use the "protoc"
tool from pkgs.protobuf to codegen at build time.
This fixes a few regressions from 5c7531872f
66 lines
2.2 KiB
Nix
66 lines
2.2 KiB
Nix
{ stdenv, fetchpatch, python, buildPythonPackage, isPy37
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, protobuf, google_apputils, pyext, libcxx
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, disabled, doCheck ? true }:
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with stdenv.lib;
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buildPythonPackage rec {
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inherit (protobuf) name src version;
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inherit disabled doCheck;
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NIX_CFLAGS_COMPILE =
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# work around python distutils compiling C++ with $CC
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optional stdenv.isDarwin "-I${libcxx}/include/c++/v1"
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++ optional (versionOlder protobuf.version "2.7.0") "-std=c++98";
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propagatedBuildInputs = [ google_apputils ];
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propagatedNativeBuildInputs = [ protobuf ]; # For protoc.
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nativeBuildInputs = [ google_apputils pyext ];
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buildInputs = [ protobuf ];
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patches = optional isPy37
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# Python 3.7 compatibility (remove when protobuf 3.7 is released)
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(fetchpatch {
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url = "https://github.com/protocolbuffers/protobuf/commit/0a59054c30e4f0ba10f10acfc1d7f3814c63e1a7.patch";
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sha256 = "09hw22y3423v8bbmc9xm07znwdxfbya6rp78d4zqw6fisdvjkqf1";
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stripLen = 1;
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})
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;
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prePatch = ''
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while [ ! -d python ]; do
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cd *
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done
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cd python
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'';
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preConfigure = optionalString (versionAtLeast protobuf.version "2.6.0") ''
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export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp
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export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION_VERSION=2
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'';
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preBuild = ''
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# Workaround for https://github.com/google/protobuf/issues/2895
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${python}/bin/${python.executable} setup.py build
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'' + optionalString (versionAtLeast protobuf.version "2.6.0") ''
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${python}/bin/${python.executable} setup.py build_ext --cpp_implementation
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'';
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installFlags = optional (versionAtLeast protobuf.version "2.6.0")
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"--install-option='--cpp_implementation'";
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# the _message.so isn't installed, so we'll do that manually.
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# if someone can figure out a less hacky way to get the _message.so to
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# install, please do replace this.
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postInstall = optionalString (versionAtLeast protobuf.version "2.6.0") ''
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cp -v $(find build -name "_message*") $out/${python.sitePackages}/google/protobuf/pyext
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'';
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meta = {
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description = "Protocol Buffers are Google's data interchange format";
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homepage = https://developers.google.com/protocol-buffers/;
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};
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passthru.protobuf = protobuf;
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}
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