anchor.diff:      patchShebangs $out/bin
     '';
   
  +  pythonImportsCheck = [ "pelican" ];
  +
     meta = with lib; {
  -    description = "A tool to generate a static blog from reStructuredText or Markdown input files";
  +    description = "Static site generator that requires no database or server-side logic";
       homepage = "http://getpelican.com/";
       license = licenses.agpl3;
       maintainers = with maintainers; [ offline prikhi ];
  
positive.code: { lib, buildPythonPackage, fetchFromGitHub, isPy27
  , glibcLocales, git
  , mock, nose, markdown, lxml, typogrify
  , jinja2, pygments, docutils, pytz, unidecode, six, python-dateutil, feedgenerator
  , blinker, pillow, beautifulsoup4, markupsafe, pandoc }:
  
  buildPythonPackage rec {
    pname = "pelican";
    version = "4.5.4";
  
    disabled = isPy27;
  
    src = fetchFromGitHub {
      owner = "getpelican";
      repo = "pelican";
      rev = version;
      sha256 = "08l8kk3c7ca1znxmgdmfgzn28dzjcziwflzq80fn9zigqj0y7fi8";
      # Remove unicode file names which leads to different checksums on HFS+
      # vs. other filesystems because of unicode normalisation.
      extraPostFetch = ''
        rm -r $out/pelican/tests/output/custom_locale/posts
      '';
    };
  
    doCheck = true;
  
    # Exclude custom locale test, which files were removed above to fix the source checksum
    checkPhase = ''
      nosetests -s \
        --exclude=test_basic_generation_works \
        --exclude=test_custom_generation_works \
        --exclude=test_custom_locale_generation_works \
        --exclude=test_log_filter \
        pelican
    '';
  
    buildInputs = [
      glibcLocales
  
negative.code:   ];
  
    propagatedBuildInputs = [
      beautifulsoup4
      blinker
      docutils
      feedgenerator
      jinja2
      lxml
      markupsafe
      pillow
      pygments
      python-dateutil
      pytz
      rich
      six
      unidecode
    ];
  
    checkInputs = [
      pytest-xdist
      pytestCheckHook
      pandoc
    ];
  
    postPatch = ''
      substituteInPlace pelican/tests/test_pelican.py \
        --replace "'git'" "'${git}/bin/git'"
    '';
  
    pytestFlagsArray = [
      # DeprecationWarning: 'jinja2.Markup' is deprecated and...
      "-W ignore::DeprecationWarning"
    ];
  
    disabledTests = [
      # AssertionError
      "test_basic_generation_works"
      "test_custom_generation_works"
      "test_custom_locale_generation_works"
    ];
  
    LC_ALL = "en_US.UTF-8";
  
    # We only want to patch shebangs in /bin, and not those
    # of the project scripts that are created by Pelican.
  