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https://github.com/NixOS/nixpkgs.git
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e0812fc1f8
Some packages, for example brotlicffi, expect to get pycparser. Make a placeholder package for their benefit. It remains to be seen whether the lack of a directory in site-packages will cause trouble.
90 lines
2.3 KiB
Nix
90 lines
2.3 KiB
Nix
{
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lib,
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stdenv,
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buildPythonPackage,
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isPyPy,
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fetchPypi,
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setuptools,
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pytestCheckHook,
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libffi,
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pkg-config,
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pycparser,
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}:
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let
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version = "1.17.1";
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in
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if isPyPy then
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buildPythonPackage {
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pname = "cffi";
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inherit version;
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pyproject = false;
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# cffi is bundled with PyPy.
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dontUnpack = true;
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# Some dependent packages expect to have pycparser available when using cffi.
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dependencies = [ pycparser ];
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meta = {
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description = "Foreign Function Interface for Python calling C code (bundled with PyPy, placeholder package)";
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homepage = "https://cffi.readthedocs.org/";
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license = lib.licenses.mit;
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maintainers = lib.teams.python.members;
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};
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}
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else
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buildPythonPackage rec {
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pname = "cffi";
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inherit version;
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pyproject = true;
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src = fetchPypi {
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inherit pname version;
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hash = "sha256-HDnGAWwyvEjdVFYZUOvWg24WcPKuRhKPZ89J54nFKCQ=";
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};
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patches = [
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#
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# Trusts the libffi library inside of nixpkgs on Apple devices.
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#
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# Based on some analysis I did:
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#
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# https://groups.google.com/g/python-cffi/c/xU0Usa8dvhk
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#
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# I believe that libffi already contains the code from Apple's fork that is
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# deemed safe to trust in cffi.
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#
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./darwin-use-libffi-closures.diff
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];
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nativeBuildInputs = [ pkg-config ];
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build-system = [ setuptools ];
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buildInputs = [ libffi ];
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dependencies = [ pycparser ];
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# The tests use -Werror but with python3.6 clang detects some unreachable code.
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env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang "-Wno-unused-command-line-argument -Wno-unreachable-code -Wno-c++11-narrowing";
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doCheck = !(stdenv.hostPlatform.isMusl || stdenv.hostPlatform.useLLVM or false);
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nativeCheckInputs = [ pytestCheckHook ];
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disabledTests = lib.optionals stdenv.hostPlatform.isFreeBSD [
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# https://github.com/python-cffi/cffi/pull/144
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"test_dlopen_handle"
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];
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meta = with lib; {
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changelog = "https://github.com/python-cffi/cffi/releases/tag/v${version}";
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description = "Foreign Function Interface for Python calling C code";
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downloadPage = "https://github.com/python-cffi/cffi";
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homepage = "https://cffi.readthedocs.org/";
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license = licenses.mit;
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maintainers = teams.python.members;
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};
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}
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