Move missing items back into stdlib.pxi and give python errno the same treatment

.github/workflows/tests.yml

@@ -7,6 +7,7 @@ on:
       - ci
   pull_request:
     branches:
+      - windows
       - master
 
 jobs:
@@ -24,7 +25,8 @@ jobs:
         - "3.13"
         - "3.14"
         - "3.14t"
-        os: [ubuntu-latest, macos-latest]
+        # TODO: (Vizonex) windows-11-arm
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     env:
       PIP_DISABLE_PIP_VERSION_CHECK: 1

Makefile

@@ -10,7 +10,7 @@ _default: compile
 
 clean:
 	rm -fr dist/ doc/_build/ *.egg-info uvloop/loop.*.pyd uvloop/loop_d.*.pyd
-	rm -fr uvloop/*.c uvloop/*.html uvloop/*.so
+	rm -fr uvloop/*.c uvloop/*.html uvloop/*.so uvloop/*.pyd
 	rm -fr uvloop/handles/*.html uvloop/includes/*.html
 	find . -name '__pycache__' | xargs rm -rf
 
@@ -34,8 +34,10 @@ setup-build:
 compile: clean setup-build
 
 
+# NOTE: --debug will not work on windows since it asks for a non-existant _d.lib file.
+# TODO: Fix workflows for missing debug binaries in the future.
 debug: clean
-	$(PYTHON) setup.py build_ext --inplace --debug \
+	$(PYTHON) setup.py build_ext --inplace \
 		--cython-always \
 		--cython-annotate \
 		--cython-directives="linetrace=True" \

pyproject.toml

@@ -45,6 +45,7 @@ test = [
     'mypy>=0.800',
 ]
 dev = [
+    'packaging',
     'setuptools>=60',
     'Cython~=3.0',
 ]

setup.py

@@ -4,8 +4,9 @@
 if vi < (3, 8):
     raise RuntimeError('uvloop requires Python 3.8 or greater')
 
-if sys.platform in ('win32', 'cygwin', 'cli'):
-    raise RuntimeError('uvloop does not support Windows at the moment')
+# TODO: Remove Completely because Winloop Author is mergeing his project to uvloop.
+# if sys.platform in ('win32', 'cygwin', 'cli'):
+#     raise RuntimeError('uvloop does not support Windows at the moment')
 
 import os
 import os.path
@@ -28,6 +29,9 @@
 LIBUV_DIR = str(_ROOT / 'vendor' / 'libuv')
 LIBUV_BUILD_DIR = str(_ROOT / 'build' / 'libuv-{}'.format(MACHINE))
 
+# NOTE: Mingw was added by another contributor in the winloop project.
+MINGW = bool(os.environ.get("MINGW_PREFIX", ""))
+
 
 def _libuv_build_env():
     env = os.environ.copy()
@@ -83,7 +87,9 @@ class uvloop_build_ext(build_ext):
 
     def initialize_options(self):
         super().initialize_options()
-        self.use_system_libuv = False
+        # Use mingw if prefix was given for it otherwise it 
+        # will always be false.
+        self.use_system_libuv = MINGW
         self.cython_always = False
         self.cython_annotate = None
         self.cython_directives = None
@@ -108,7 +114,8 @@ def finalize_options(self):
                         need_cythonize = True
 
         if need_cythonize:
-            import pkg_resources
+            from packaging.requirements import Requirement
+            from packaging.version import Version
 
             # Double check Cython presence in case setup_requires
             # didn't go into effect (most likely because someone
@@ -118,17 +125,21 @@ def finalize_options(self):
                 import Cython
             except ImportError:
                 raise RuntimeError(
-                    'please install {} to compile uvloop from source'.format(
-                        CYTHON_DEPENDENCY))
+                    "please install {} to compile uvloop from source".format(
+                        CYTHON_DEPENDENCY
+                    )
+                )
 
-            cython_dep = pkg_resources.Requirement.parse(CYTHON_DEPENDENCY)
-            if Cython.__version__ not in cython_dep:
+            cython_dep = Requirement(CYTHON_DEPENDENCY)
+            if not cython_dep.specifier.contains(Version(Cython.__version__)):
                 raise RuntimeError(
-                    'uvloop requires {}, got Cython=={}'.format(
+                    "uvloop requires {}, got Cython=={}".format(
                         CYTHON_DEPENDENCY, Cython.__version__
-                    ))
+                    )
+                )
 
             from Cython.Build import cythonize
+
 
             directives = {}
             if self.cython_directives:
@@ -190,6 +201,15 @@ def build_libuv(self):
             cwd=LIBUV_BUILD_DIR, env=env, check=True)
 
     def build_extensions(self):
+        if sys.platform == "win32" and not MINGW:
+            path = pathlib.Path("vendor", "libuv", "src")
+            c_files = [p.as_posix() for p in path.iterdir() if p.suffix == ".c"]
+            c_files += [
+                p.as_posix() for p in (path / "win").iterdir() if p.suffix == ".c"
+            ]
+            self.extensions[-1].sources += c_files
+            super().build_extensions()
+            return
         if self.use_system_libuv:
             self.compiler.add_library('uv')
 
@@ -229,28 +249,62 @@ def build_extensions(self):
         raise RuntimeError(
             'unable to read the version from uvloop/_version.py')
 
+if sys.platform == "win32":
+    from Cython.Build import cythonize
+    from Cython.Compiler.Main import default_options
+
+    default_options["compile_time_env"] = dict(DEFAULT_FREELIST_SIZE=250)
+    ext = cythonize(
+        [
+            Extension(
+                "uvloop.loop",
+                sources=["uvloop/loop.pyx"],
+                include_dirs=[]
+                if MINGW
+                else [
+                    "vendor/libuv/src",
+                    "vendor/libuv/src/win",
+                    "vendor/libuv/include",
+                ],
+                # subset of libuv Windows libraries:
+                extra_link_args=[
+                    (f"-l{lib}" if MINGW else f"{lib}.lib")
+                    for lib in (
+                        "Shell32",
+                        "Ws2_32",
+                        "Advapi32",
+                        "iphlpapi",
+                        "Userenv",
+                        "User32",
+                        "Dbghelp",
+                        "Ole32",
+                    )
+                ],
+                define_macros=[("WIN32_LEAN_AND_MEAN", 1), ("_WIN32_WINNT", "0x0602")],
+            ),
+        ]
+    )
+else:
+    ext = [
+        Extension(
+            "uvloop.loop",
+            sources=[
+                "uvloop/loop.pyx",
+            ],
+            extra_compile_args=MODULES_CFLAGS,
+        ),
+    ]
 
 setup_requires = []
 
-if not (_ROOT / 'uvloop' / 'loop.c').exists() or '--cython-always' in sys.argv:
+if not (_ROOT / "uvloop" / "loop.c").exists() or "--cython-always" in sys.argv:
     # No Cython output, require Cython to build.
     setup_requires.append(CYTHON_DEPENDENCY)
 
 
 setup(
     version=VERSION,
-    cmdclass={
-        'sdist': uvloop_sdist,
-        'build_ext': uvloop_build_ext
-    },
-    ext_modules=[
-        Extension(
-            "uvloop.loop",
-            sources=[
-                "uvloop/loop.pyx",
-            ],
-            extra_compile_args=MODULES_CFLAGS
-        ),
-    ],
+    cmdclass={"sdist": uvloop_sdist, "build_ext": uvloop_build_ext},
+    ext_modules=ext,
     setup_requires=setup_requires,
 )

tests/__main__.py

@@ -10,7 +10,7 @@ def suite():
     return test_suite
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     runner = unittest.runner.TextTestRunner()
     result = runner.run(suite())
     sys.exit(not result.wasSuccessful())

tests/test_aiohttp.py

@@ -18,29 +18,28 @@ class _TestAioHTTP:
 
     def test_aiohttp_basic_1(self):
 
-        PAYLOAD = '<h1>It Works!</h1>' * 10000
+        PAYLOAD = "<h1>It Works!</h1>" * 10000
 
         async def on_request(request):
             return aiohttp.web.Response(text=PAYLOAD)
 
         asyncio.set_event_loop(self.loop)
         app = aiohttp.web.Application()
-        app.router.add_get('/', on_request)
+        app.router.add_get("/", on_request)
 
         runner = aiohttp.web.AppRunner(app)
         self.loop.run_until_complete(runner.setup())
-        site = aiohttp.web.TCPSite(runner, '0.0.0.0', '0')
+        site = aiohttp.web.TCPSite(runner, "0.0.0.0", "0")
         self.loop.run_until_complete(site.start())
         port = site._server.sockets[0].getsockname()[1]
 
         async def test():
             # Make sure we're using the correct event loop.
             self.assertIs(asyncio.get_event_loop(), self.loop)
 
-            for addr in (('localhost', port),
-                         ('127.0.0.1', port)):
+            for addr in (("localhost", port), ("127.0.0.1", port)):
                 async with aiohttp.ClientSession() as client:
-                    async with client.get('http://{}:{}'.format(*addr)) as r:
+                    async with client.get("http://{}:{}".format(*addr)) as r:
                         self.assertEqual(r.status, 200)
                         result = await r.text()
                         self.assertEqual(result, PAYLOAD)
@@ -49,42 +48,43 @@ async def test():
         self.loop.run_until_complete(runner.cleanup())
 
     def test_aiohttp_graceful_shutdown(self):
-        if self.implementation == 'asyncio' and sys.version_info >= (3, 12, 0):
+        if self.implementation == "asyncio" and sys.version_info >= (3, 12, 0):
             # In Python 3.12.0, asyncio.Server.wait_closed() waits for all
             # existing connections to complete, before aiohttp sends
             # on_shutdown signals.
             # https://github.com/aio-libs/aiohttp/issues/7675#issuecomment-1752143748
             # https://github.com/python/cpython/pull/98582
-            raise unittest.SkipTest('bug in aiohttp: #7675')
+            raise unittest.SkipTest("bug in aiohttp: #7675")
 
         async def websocket_handler(request):
             ws = aiohttp.web.WebSocketResponse()
             await ws.prepare(request)
-            request.app['websockets'].add(ws)
+            request.app["websockets"].add(ws)
             try:
                 async for msg in ws:
                     await ws.send_str(msg.data)
             finally:
-                request.app['websockets'].discard(ws)
+                request.app["websockets"].discard(ws)
             return ws
 
         async def on_shutdown(app):
-            for ws in set(app['websockets']):
+            for ws in set(app["websockets"]):
                 await ws.close(
                     code=aiohttp.WSCloseCode.GOING_AWAY,
-                    message='Server shutdown')
+                    message="Server shutdown",
+                )
 
         asyncio.set_event_loop(self.loop)
         app = aiohttp.web.Application()
-        app.router.add_get('/', websocket_handler)
+        app.router.add_get("/", websocket_handler)
         app.on_shutdown.append(on_shutdown)
-        app['websockets'] = weakref.WeakSet()
+        app["websockets"] = weakref.WeakSet()
 
         runner = aiohttp.web.AppRunner(app)
         self.loop.run_until_complete(runner.setup())
         site = aiohttp.web.TCPSite(
             runner,
-            '0.0.0.0',
+            "0.0.0.0",
             0,
             # https://github.com/aio-libs/aiohttp/pull/7188
             shutdown_timeout=0.1,
@@ -95,7 +95,8 @@ async def on_shutdown(app):
         async def client():
             async with aiohttp.ClientSession() as client:
                 async with client.ws_connect(
-                        'http://127.0.0.1:{}'.format(port)) as ws:
+                    "http://127.0.0.1:{}".format(port)
+                ) as ws:
                     await ws.send_str("hello")
                     async for msg in ws:
                         assert msg.data == "hello"