1 files changed, 38 insertions, 25 deletions
diff --git a/pkgs/development/python-modules/weasyprint/default.nix b/pkgs/development/python-modules/weasyprint/default.nix
index f43fd2d5462b6..e19ed16d48a7f 100644
--- a/pkgs/development/python-modules/weasyprint/default.nix
+++ b/pkgs/development/python-modules/weasyprint/default.nix
@@ -4,6 +4,7 @@
 , pytestCheckHook
 , brotli
 , cairosvg
+, flit-core
 , fonttools
 , pydyf
 , pyphen
@@ -26,32 +27,33 @@
 
 buildPythonPackage rec {
   pname = "weasyprint";
-  version = "53.4";
+  version = "54.0";
   disabled = !isPy3k;
 
+  format = "pyproject";
+
   src = fetchPypi {
     inherit version;
     pname = "weasyprint";
-    sha256 = "sha256-EMyxfVXHMJa98e3T7+WMuFWwfkwwfZutTryaPxP/RYA=";
+    sha256 = "0aeda9a045c7881289420cac917cc57115b1243e476187338e66d593dd000853";
   };
 
-  postPatch = ''
-    substituteInPlace pyproject.toml \
-      --replace "--isort --flake8 --cov --no-cov-on-fail" ""
-  '';
-
-  disabledTests = [
-    # needs the Ahem font (fails on macOS)
-    "test_font_stretch"
+  patches = [
+    (substituteAll {
+      src = ./library-paths.patch;
+      fontconfig = "${fontconfig.lib}/lib/libfontconfig${stdenv.hostPlatform.extensions.sharedLibrary}";
+      pangoft2 = "${pango.out}/lib/libpangoft2-1.0${stdenv.hostPlatform.extensions.sharedLibrary}";
+      gobject = "${glib.out}/lib/libgobject-2.0${stdenv.hostPlatform.extensions.sharedLibrary}";
+      pango = "${pango.out}/lib/libpango-1.0${stdenv.hostPlatform.extensions.sharedLibrary}";
+      pangocairo = "${pango.out}/lib/libpangocairo-1.0${stdenv.hostPlatform.extensions.sharedLibrary}";
+      harfbuzz = "${harfbuzz.out}/lib/libharfbuzz${stdenv.hostPlatform.extensions.sharedLibrary}";
+    })
   ];
 
-  checkInputs = [
-    pytestCheckHook
-    ghostscript
+  nativeBuildInputs = [
+    flit-core
   ];
 
-  FONTCONFIG_FILE = "${fontconfig.out}/etc/fonts/fonts.conf";
-
   propagatedBuildInputs = [
     brotli
     cairosvg
@@ -60,24 +62,35 @@ buildPythonPackage rec {
     fonttools
     html5lib
     lxml
+    flit-core
     pydyf
     pyphen
     tinycss
     zopfli
   ];
 
-  patches = [
-    (substituteAll {
-      src = ./library-paths.patch;
-      fontconfig = "${fontconfig.lib}/lib/libfontconfig${stdenv.hostPlatform.extensions.sharedLibrary}";
-      pangoft2 = "${pango.out}/lib/libpangoft2-1.0${stdenv.hostPlatform.extensions.sharedLibrary}";
-      gobject = "${glib.out}/lib/libgobject-2.0${stdenv.hostPlatform.extensions.sharedLibrary}";
-      pango = "${pango.out}/lib/libpango-1.0${stdenv.hostPlatform.extensions.sharedLibrary}";
-      pangocairo = "${pango.out}/lib/libpangocairo-1.0${stdenv.hostPlatform.extensions.sharedLibrary}";
-      harfbuzz = "${harfbuzz.out}/lib/libharfbuzz${stdenv.hostPlatform.extensions.sharedLibrary}";
-    })
+  checkInputs = [
+    pytestCheckHook
+    ghostscript
   ];
 
+  disabledTests = [
+    # needs the Ahem font (fails on macOS)
+    "test_font_stretch"
+  ];
+
+  FONTCONFIG_FILE = "${fontconfig.out}/etc/fonts/fonts.conf";
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace "--isort --flake8 --cov --no-cov-on-fail" ""
+  '';
+
+  preCheck = ''
+    # Fontconfig wants to create a cache.
+    export HOME=$TMPDIR
+  '';
+
   meta = with lib; {
     homepage = "https://weasyprint.org/";
     description = "Converts web documents to PDF";