move build.py, ffi and include out of package

Makefile

@@ -24,8 +24,6 @@ curl_cffi/include/curl/curl.h: curl-impersonate-$(VERSION)/chrome/patches
 	for p in $</curl-*.patch; do patch -p1 < ../$$p; done
 	# Re-generate the configure script
 	autoreconf -fi
-	mkdir -p ../curl_cffi/include/curl
-	cp -R include/curl/* ../curl_cffi/include/curl/
 
 .so_downloaded:
 	python preprocess/download_so.py
@@ -53,6 +51,6 @@ clean:
 	rm -rf build/ dist/ curl_cffi.egg-info/ $(CURL_VERSION)/ curl-impersonate-$(VERSION)/
 	rm -rf curl_cffi/*.o curl_cffi/*.so curl_cffi/_wrapper.c
 	rm -rf .preprocessed .so_downloaded $(CURL_VERSION).tar.xz curl-impersonate-$(VERSION).tar.gz
-	rm -rf curl_cffi/include/
+	rm -rf include/
 
 .PHONY: clean build test install-local upload preprocess

pyproject.toml

@@ -69,7 +69,6 @@ test = [
 [tool.setuptools]
 packages = ["curl_cffi", "curl_cffi.requests"]
 # package-data = { curl_cffi = ["libcurl/*/*"] }
-exclude-package-data = { curl_cffi = ["include/*", "ffi/*"] }
 
 
 [build-system]

setup.py

@@ -1,7 +1,4 @@
-import fnmatch
-
 from setuptools import setup
-from setuptools.command.build_py import build_py
 from wheel.bdist_wheel import bdist_wheel
 
 
@@ -16,21 +13,8 @@ def get_tag(self):
         return python, abi, plat
 
 
-excluded = ['curl_cffi/build.py', 'curl_cffi\\build.py']
-
-
-class excluded_build_py(build_py):
-    def find_package_modules(self, package, package_dir):
-        modules = super().find_package_modules(package, package_dir)
-        return [
-            (pkg, mod, file)
-            for (pkg, mod, file) in modules
-            if not any(fnmatch.fnmatchcase(file, pat=pattern) for pattern in excluded)
-        ]
-
-
 setup(
     # this option is only valid in setup.py
-    cffi_modules=["curl_cffi/build.py:ffibuilder"],
-    cmdclass={"bdist_wheel": bdist_wheel_abi3, 'build_py': excluded_build_py},  # type: ignore
+    cffi_modules=["./build.py:ffibuilder"],
+    cmdclass={"bdist_wheel": bdist_wheel_abi3},  # type: ignore
 )