setup.py: add 'repacker' extra to install fonttools + uharbuzz

and make sure we don't have to repeat dependencies' versions and default extras more than once

setup.py

@@ -27,22 +27,60 @@
 with open("README.md", "r", encoding="utf-8") as f:
  long_description = f.read()
 
+
+dep_versions = {
+ "attrs": ">=19",
+ "fontMath": ">=0.9.3",
+ "fonttools": ">=4.41.1",
+ "glyphsLib": ">=6.2.5",
+ "ufo2ft": ">=2.33.2",
+ "ufoLib2": ">=0.16.0",
+}
+
+dep_extras = {
+ "fonttools": {
+ "implementation_name == 'cpython'": "ufo,lxml,unicode",
+ "implementation_name != 'cpython'": "ufo,unicode",
+ },
+ "ufo2ft": "compreffor",
+}
+
 extras_require = {
  "pathops": ["skia-pathops>=0.3.0"],
  # this is now default; kept here for backward compatibility
- "lxml": [
- # "lxml>=4.2.4",
- ],
+ "lxml": [],
  # MutatorMath is no longer supported but a dummy extras is kept below
  # to avoid fontmake installation failing if requested
  "mutatormath": [],
  "autohint": ["ttfautohint-py>=0.5.0"],
  # For reading/writing ufoLib2's .ufo.json files (cattrs + orjson)
- "json": ["ufoLib2[json]"],
+ "json": [f"ufoLib2[json]{dep_versions['ufoLib2']}"],
+ # For compiling GPOS/GSUB using the harfbuzz repacker
+ "repacker": [
+ f"fonttools[{extras},repacker]{dep_versions['fonttools']}; {marker}"
+ for marker, extras in dep_extras["fonttools"].items()
+ ],
 }
 # use a special 'all' key as shorthand to includes all the extra dependencies
 extras_require["all"] = sum(extras_require.values(), [])
 
+install_requires = [
+ f"{name}{version}"
+ for name, version in dep_versions.items()
+ if name not in dep_extras
+]
+for name, extras in dep_extras.items():
+ if isinstance(extras, dict):
+ for marker, extras in extras.items():
+ install_requires.append(
+ f"{name}[{extras}]{dep_versions[name]}; {marker}"
+ )
+ elif isinstance(extras, str):
+ install_requires.append(f"{name}[{extras}]{dep_versions[name]}")
+ else:
+ raise TypeError(type(extras))
+
+
 setup(
  name="fontmake",
  use_scm_version={"write_to": "Lib/fontmake/_version.py"},
@@ -58,15 +96,7 @@
  entry_points={"console_scripts": ["fontmake = fontmake.__main__:main"]},
  setup_requires=wheel + ["setuptools_scm"],
  python_requires=">=3.8",
- install_requires=[
- "fonttools[ufo,lxml,unicode]>=4.41.1 ; implementation_name == 'cpython'",
- "fonttools[ufo,unicode]>=4.41.1 ; implementation_name != 'cpython'",
- "glyphsLib>=6.2.5",
- "ufo2ft[compreffor]>=2.33.2",
- "fontMath>=0.9.3",
- "ufoLib2>=0.16.0",
- "attrs>=19",
- ],
+ install_requires=install_requires,
  extras_require=extras_require,
  classifiers=[
  "Development Status :: 4 - Beta",