Add some missing setuptools command (incl pth file setup for editable…

… wheels aka pep660).

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "setuptools>=30.3.0",
+    "setuptools>=64",
 ]
 
 [tool.ruff.per-file-ignores]

setup.py

@@ -5,10 +5,12 @@
 from os import fspath
 from pathlib import Path
 
+from setuptools import Command
 from setuptools import find_packages
 from setuptools import setup
 from setuptools.command.develop import develop
 from setuptools.command.easy_install import easy_install
+from setuptools.command.editable_wheel import editable_wheel
 from setuptools.command.install_lib import install_lib
 
 pth_file = Path(__file__).parent.joinpath('src', 'manhole.pth')
@@ -20,6 +22,26 @@ def run(self):
         self.copy_file(fspath(pth_file), fspath(Path(self.build_lib, pth_file.name)))
 
 
+class PTHWheelPiggyback:
+    def __init__(self, strategy):
+        self.strategy = strategy
+
+    def __enter__(self):
+        self.strategy.__enter__()
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.strategy.__exit__(exc_type, exc_val, exc_tb)
+
+    def __call__(self, wheel, files, mapping):
+        self.strategy(wheel, files, mapping)
+        wheel.writestr(fspath(pth_file.name), pth_file.read_bytes())
+
+
+class EditableWheelWithPTH(editable_wheel):
+    def _select_strategy(self, dist_name, tag, lib):
+        return PTHWheelPiggyback(super()._select_strategy(dist_name, tag, lib))
+
+
 class EasyInstallWithPTH(easy_install):
     def run(self, *args, **kwargs):
         super().run(*args, **kwargs)
@@ -43,6 +65,21 @@ def run(self):
         self.copy_file(fspath(pth_file), str(Path(self.install_dir, pth_file.name)))
 
 
+class GeneratePTH(Command):
+    user_options = []  # noqa: RUF012
+
+    def initialize_options(self):
+        pass
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        with pth_file.open('w') as fh:
+            with pth_file.with_suffix('.embed').open() as sh:
+                fh.write(f"import os, sys;exec({sh.read().replace('    ', ' ')!r})")
+
+
 def read(*names, **kwargs):
     with Path(__file__).parent.joinpath(*names).open(encoding=kwargs.get('encoding', 'utf8')) as fh:
         return fh.read()
@@ -118,5 +155,7 @@ def read(*names, **kwargs):
         'easy_install': EasyInstallWithPTH,
         'install_lib': InstallLibWithPTH,
         'develop': DevelopWithPTH,
+        'editable_wheel': EditableWheelWithPTH,
+        'genpth': GeneratePTH,
     },
 )