nanoemoji: init at 0.15.1

pkgs/tools/misc/nanoemoji/default.nix

@@ -0,0 +1,72 @@
+{ lib
+, python3
+, fetchFromGitHub
+, resvg
+, pngquant
+}:
+python3.pkgs.buildPythonApplication rec {
+  pname = "nanoemoji";
+  version = "0.15.1";
+
+  src = fetchFromGitHub {
+    owner = "googlefonts";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-P/lT0PnjTdYzyttICzszu4OL5kj+X8GHZ8doL3tpXQM=";
+  };
+  patches = [
+    # this is necessary because the tests clear PATH/PYTHONPATH otherwise
+    ./test-pythonpath.patch
+    # minor difference in the test output, most likely due to different dependency versions
+    ./fix-test.patch
+  ];
+
+  nativeBuildInputs = with python3.pkgs; [
+    setuptools-scm
+    pythonRelaxDepsHook
+
+    pngquant
+    resvg
+  ];
+
+  # these two packages are just prebuilt wheels containing the respective binaries
+  pythonRemoveDeps = [ "pngquant-cli" "resvg-cli" ];
+
+  propagatedBuildInputs = with python3.pkgs; [
+    absl-py
+    fonttools
+    lxml
+    ninja-python
+    picosvg
+    pillow
+    regex
+    toml
+    tomlkit
+    ufo2ft
+    ufoLib2
+    zopfli
+  ];
+
+  nativeCheckInputs = with python3.pkgs; [
+    pytestCheckHook
+
+    ninja-python
+    picosvg
+  ];
+
+  makeWrapperArgs = [
+    "--prefix PATH : ${lib.makeBinPath [ pngquant resvg ]}"
+  ];
+
+  preCheck = ''
+    # make sure the built binaries (nanoemoji/maximum_color) can be found by the test
+    export PATH="$out/bin:''${PATH}"
+  '';
+
+  meta = with lib; {
+    description = "A wee tool to build color fonts";
+    homepage = "https://github.com/googlefonts/nanoemoji";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ _999eagle ];
+  };
+}

pkgs/tools/misc/nanoemoji/fix-test.patch

@@ -0,0 +1,24 @@
+--- a/tests/proportional_cbdt.ttx
++++ b/tests/proportional_cbdt.ttx
+@@ -13,7 +13,7 @@
+     <mtx name=".notdef" width="0" lsb="5"/>
+     <mtx name=".space" width="0" lsb="0"/>
+     <mtx name="e000" width="110" lsb="0"/>
+-    <mtx name="e001" width="73" lsb="0"/>
++    <mtx name="e001" width="74" lsb="0"/>
+   </hmtx>
+ 
+   <cmap>
+@@ -79,10 +79,10 @@
+       <cbdt_bitmap_format_17 name="e001">
+         <SmallGlyphMetrics>
+           <height value="128"/>
+-          <width value="85"/>
++          <width value="86"/>
+           <BearingX value="0"/>
+           <BearingY value="104"/>
+-          <Advance value="85"/>
++          <Advance value="86"/>
+         </SmallGlyphMetrics>
+         <extfileimagedata value="e001.png"/>
+       </cbdt_bitmap_format_17>

pkgs/tools/misc/nanoemoji/test-pythonpath.patch

@@ -0,0 +1,14 @@
+--- a/tests/test_helper.py
++++ b/tests/test_helper.py
+@@ -269,9 +269,9 @@
+     print("subprocess:", " ".join(cmd))  # very useful on failure
+     env = {
+         # We may need to find nanoemoji and other pip-installed cli tools
+-        "PATH": str(Path(shutil.which("nanoemoji")).parent),
++        "PATH": str(Path(shutil.which("nanoemoji")).parent) + ":" + os.environ["PATH"],
+         # We may need to find test modules
+-        "PYTHONPATH": os.pathsep.join((str(Path(__file__).parent),)),
++        "PYTHONPATH": os.pathsep.join((str(Path(__file__).parent),)) + ":" + os.environ["PYTHONPATH"],
+     }
+     # Needed for windows CI to function; ref https://github.com/appveyor/ci/issues/1995
+     if "SYSTEMROOT" in os.environ:

pkgs/top-level/all-packages.nix

@@ -9727,6 +9727,8 @@ with pkgs;
     pythonPackages = python3Packages;
   };
 
+  nanoemoji = python3Packages.callPackage ../tools/misc/nanoemoji { };
+
   nagelfar = callPackage ../development/tools/nagelfar { };
 
   nats-top = callPackage ../tools/system/nats-top { };