pending

pystemmer.nix

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+{
+  lib,
+  python,
+  fetchFromGitHub,
+  fetchpatch2,
+  buildPythonPackage,
+  cython,
+  setuptools,
+  pkgsHostHost,
+  buildPackages,
+  pkgsCross,
+  pkgs,
+  libstemmer,
+}: let
+  #inherit (targetPackages) libstemmer;
+  #libstemmer = builtins.trace "${pkgsHostHost.libstemmer} ${buildPackages.libstemmer} ${pkgs.libstemmer}" pkgsHostHost.libstemmer;#targetPackages.libstemmer;
+in buildPythonPackage rec {
+  pname = "pystemmer";
+  version = "2.2.0.1-fix";
+
+  src = fetchFromGitHub {
+    owner = "snowballstem";
+    repo = "pystemmer";
+    tag = "v${version}";
+    hash = "sha256-ngPx95ybgJmndpNPBwCa3BCNsozRg+dlEw+nhlIwI58=";
+  };
+
+  patches = [
+    (fetchpatch2 {
+      # relax cython constraint
+      name = "pystemmer-relax-cython.patch";
+      url = "https://github.com/snowballstem/pystemmer/commit/d3d423dc877b4f49e0ab1776f7edaff37feb6799.patch";
+      hash = "sha256-9K6gy/cLFPfW82XYHVVPXUbQhf8XyB4NUi4YqNtyWcw=";
+    })
+  ];
+
+  build-system = [
+    cython
+    setuptools
+  ];
+
+  postConfigure = let a = ''
+    export PYSTEMMER_SYSTEM_LIBSTEMMER="${lib.getDev libstemmer}/include"
+    echo $PYSTEMMER_SYSTEM_LIBSTEMMER
+  ''; in builtins.trace a a;
+
+  env.NIX_CFLAGS_COMPILE = toString [ "-I${lib.getDev libstemmer}/include" ];
+
+  NIX_CFLAGS_LINK = [ "-L${libstemmer}/lib" ];
+
+  pythonImportsCheck = [ "Stemmer" ];
+
+  checkPhase = ''
+    runHook preCheck
+    ${python.interpreter} runtests.py
+    runHook postCheck
+  '';
+
+  meta = with lib; {
+    description = "Snowball stemming algorithms, for information retrieval";
+    downloadPage = "https://github.com/snowballstem/pystemmer";
+    homepage = "http://snowball.tartarus.org/";
+    license = with licenses; [
+      bsd3
+      mit
+    ];
+    platforms = platforms.unix;
+  };
+}