Fix setup.py build and clean

Makefile

@@ -1,15 +1,23 @@
-.PHONY: build dev clean
+.PHONY: dist dev build clean
 .DEFAULT_GOAL := dev
 
 
-build:
+# Make distribution tarballs
+dist:
 	pip install -U build
 	python -m build
 
 
+# Incrementally build for development
 dev:
-	pip install -Ue .
+	KLOOP_DEBUG=1 python setup.py develop
 
 
+# Always build for development
+build:
+	KLOOP_FORCE=1 KLOOP_DEBUG=1 python setup.py develop
+
+
+# Clean up everything including the Rust build cache
 clean:
-	git clean -Xfd -e "!/*.code-workspace" -e "!/*.vscode" -e "!/*.idea" -e "!/*.python-version"
+	python setup.py clean --all

README.md

@@ -68,5 +68,6 @@ sudo apt install gcc libssl-dev python3-dev python3.10-venv
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
 python3 -m venv path/to/env
 source path/to/env/bin/activate
-pip install -e path/to/kloop
+pip install cython
+KLOOP_DEBUG=1 python setup.py develop  # or just run `make`
 ```

README.zh.md

@@ -62,5 +62,6 @@ sudo apt install gcc libssl-dev python3-dev python3.10-venv
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
 python3 -m venv path/to/env
 source path/to/env/bin/activate
-pip install -e path/to/kloop
+pip install cython
+KLOOP_DEBUG=1 python setup.py develop  # 或者直接执行 `make`
 ```

setup.py

@@ -9,41 +9,105 @@
 # See the Mulan PSL v2 for more details.
 
 
+import os
 import subprocess
 import sysconfig
 
 from setuptools import setup
+
 from Cython.Build import cythonize
-from Cython.Distutils import Extension
 from Cython.Distutils import build_ext
-
-
-DEBUG = True
-RESOLVER_LIB = (
-    f"resolver/target/{'debug' if DEBUG else 'release'}/libkloop_resolver.a"
-)
+from Cython.Distutils import Extension
+from distutils import dir_util
+from distutils import log
+from distutils.command.clean import clean
 
 
 class build_ext_with_resolver(build_ext):
-    def run(self):
-        subprocess.check_call(
-            ["cargo", "build"] + [] if DEBUG else ["-r"],
-            cwd="resolver",
+    def finalize_options(self):
+        self.set_undefined_options(
+            "build",
+            ("debug", "debug"),
+            ("force", "force"),
         )
+        if self.debug is None:
+            self.debug = os.getenv("KLOOP_DEBUG", "0") == "1"
+        if self.force is None:
+            self.force = os.getenv("KLOOP_FORCE", "0") == "1"
+
+        for ext in self.distribution.ext_modules:
+            if self.debug:
+                if "-O0" not in ext.extra_compile_args:
+                    ext.extra_compile_args.append("-O0")
+            if ext.name == "kloop.loop":
+                resolver = (
+                    f"resolver/target/{'debug' if self.debug else 'release'}"
+                    f"/libkloop_resolver.a"
+                )
+                if resolver not in ext.extra_link_args:
+                    ext.extra_link_args.append(resolver)
+                if resolver not in ext.depends:
+                    ext.depends.append(resolver)
+
+        self.distribution.ext_modules = cythonize(
+            self.distribution.ext_modules, language_level="3",
+        )
+
+        super().finalize_options()
+
+    def run(self):
+        if self.force:
+            cmd = ["cargo", "clean", "-p", "resolver"]
+            if not self.debug:
+                cmd.append("-r")
+            self.announce(f"Running: {cmd}", log.INFO)
+            subprocess.check_call(cmd, cwd="resolver")
+
+        cmd = ["cargo", "build"]
+        if not self.debug:
+            cmd.append("-r")
+        self.announce(f"Running: {cmd}", log.INFO)
+        subprocess.check_call(cmd, cwd="resolver")
         super().run()
 
 
+class clean_with_resolver(clean):
+    def run(self):
+        super().run()
+        for d in self.distribution.package_dir.values():
+            self._clean_dir(d)
+        cmd = ["cargo", "clean"]
+        if not self.all:
+            cmd.extend(["-p", "resolver"])
+        self.announce(f"Running: {cmd}", log.INFO)
+        if not self.dry_run:
+            subprocess.check_call(cmd, cwd="resolver")
+
+    def _clean_dir(self, path):
+        for f in os.listdir(path):
+            name, ext = os.path.splitext(f)
+            real_f = os.path.join(path, f)
+            is_dir = os.path.isdir(real_f) and not os.path.islink(real_f)
+            if name == "__pycache__" or ext in {".egg-info", ".so", ".c"}:
+                if is_dir:
+                    dir_util.remove_tree(real_f, dry_run=self.dry_run)
+                else:
+                    self.announce(f"removing {real_f!r}", log.INFO)
+                    if not self.dry_run:
+                        os.remove(real_f)
+            elif is_dir:
+                self._clean_dir(real_f)
+
+
 setup(
     cmdclass={
         "build_ext": build_ext_with_resolver,
+        "clean": clean_with_resolver,
     },
-    ext_modules=cythonize(
-        [
+    ext_modules=[
         Extension(
             "kloop.loop",
             ["src/kloop/loop.pyx"],
-                extra_link_args=[RESOLVER_LIB],
-                depends=[RESOLVER_LIB],
         ),
         Extension(
             "kloop.tls",
@@ -77,6 +141,4 @@ setup(
             ),
         ),
     ],
-        language_level="3",
-    ),
 )