nixpkgs/pkgs/development/python-modules/cffi/default.nix
2021-05-01 10:58:33 -07:00

45 lines
1.9 KiB
Nix

{ lib, stdenv, buildPythonPackage, isPyPy, fetchPypi, libffi, pycparser, pytestCheckHook }:
if isPyPy then null else buildPythonPackage rec {
pname = "cffi";
version = "1.14.5";
src = fetchPypi {
inherit pname version;
sha256 = "fd78e5fee591709f32ef6edb9a015b4aa1a5022598e36227500c8f4e02328d9c";
};
outputs = [ "out" "dev" ];
propagatedBuildInputs = [ libffi pycparser ];
# On Darwin, the cffi tests want to hit libm a lot, and look for it in a global
# impure search path. It's obnoxious how much repetition there is, and how difficult
# it is to get it to search somewhere else (since we do actually have a libm symlink in libSystem)
prePatch = lib.optionalString stdenv.isDarwin ''
substituteInPlace testing/cffi0/test_parsing.py \
--replace 'lib_m = "m"' 'lib_m = "System"' \
--replace '"libm" in name' '"libSystem" in name'
substituteInPlace testing/cffi0/test_unicode_literals.py --replace 'lib_m = "m"' 'lib_m = "System"'
substituteInPlace testing/cffi0/test_zdistutils.py --replace 'self.lib_m = "m"' 'self.lib_m = "System"'
substituteInPlace testing/cffi1/test_recompiler.py --replace 'lib_m = "m"' 'lib_m = "System"'
substituteInPlace testing/cffi0/test_function.py --replace "lib_m = 'm'" "lib_m = 'System'"
substituteInPlace testing/cffi0/test_verify.py --replace "lib_m = ['m']" "lib_m = ['System']"
'';
# The tests use -Werror but with python3.6 clang detects some unreachable code.
NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang
"-Wno-unused-command-line-argument -Wno-unreachable-code";
doCheck = !stdenv.hostPlatform.isMusl && !stdenv.isDarwin; # TODO: Investigate
checkInputs = [ pytestCheckHook ];
meta = with lib; {
maintainers = with maintainers; [ domenkozar lnl7 ];
homepage = "https://cffi.readthedocs.org/";
license = licenses.mit;
description = "Foreign Function Interface for Python calling C code";
};
}