Drop Python 3.8 support

.github/workflows/release.yml

@@ -81,7 +81,6 @@ jobs:
         - macos-15-intel
         - macos-latest
         python:
-        - "cp38"
         - "cp39"
         - "cp310"
         - "cp311"
@@ -128,12 +127,7 @@ jobs:
         brew install gnu-sed libtool autoconf automake openssl@3
         echo "OPENSSL_DIR=$(brew --prefix openssl@3)" >> "$GITHUB_ENV"
 
-    # cibuildwheel 4 added Python 3.15 but removed Python 3.8.
-    - uses: pypa/cibuildwheel@7c619efba910c04005a835b110b057fc28fd6e93  # v3.2.0
-      if: matrix.python == 'cp38'
-
     - uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
-      if: matrix.python != 'cp38'
       env:
         CIBW_BEFORE_ALL_LINUX: >-
           ${{ matrix.python == 'cp315t' && 'bash {project}/.github/workflows/install-linux-test-deps.sh' || '' }}

.github/workflows/tests.yml

@@ -16,7 +16,6 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-        - "3.8"
         - "3.9"
         - "3.10"
         - "3.11"

README.rst

@@ -39,7 +39,7 @@ about it.
 Installation
 ------------
 
-uvloop requires Python 3.8 or greater and is available on PyPI.
+uvloop requires Python 3.9 or greater and is available on PyPI.
 Use pip to install it::
 
     $ pip install uvloop
@@ -96,7 +96,7 @@ snippet can be used:
 Building From Source
 --------------------
 
-To build uvloop, you'll need Python 3.8 or greater:
+To build uvloop, you'll need Python 3.9 or greater:
 
 1. Clone the repository:
 

docs/dev/index.rst

@@ -28,7 +28,7 @@ from the `libuv` Github repository.
 Build
 -----
 
-To build `uvloop`, you'll need ``Cython`` and Python 3.8.
+To build `uvloop`, you'll need ``Cython`` and Python 3.9 or greater.
 
 .. note::
 

docs/user/index.rst

@@ -8,7 +8,7 @@ uvloop.
 Installation
 ------------
 
-`uvloop` is available from PyPI. It requires Python 3.8.
+`uvloop` is available from PyPI. It requires Python 3.9 or greater.
 
 Use pip to install it.
 

pyproject.toml

@@ -2,7 +2,7 @@
 name = "uvloop"
 description = "Fast implementation of asyncio event loop on top of libuv"
 authors = [{name = "Yury Selivanov", email = "yury@magic.io"}]
-requires-python = '>=3.8.1'
+requires-python = '>=3.9'
 readme = "README.rst"
 license = {text = "MIT License"}
 dynamic = ["version"]
@@ -19,7 +19,6 @@ classifiers = [
     "Operating System :: POSIX",
     "Operating System :: MacOS :: MacOS X",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -41,9 +40,7 @@ test = [
     'flake8~=6.1',
     'psutil',
     'pycodestyle~=2.11.0',
-    # pyOpenSSL 26.4 requires Python 3.9 or later.
-    'pyOpenSSL~=25.3.0; python_version < "3.9"',
-    'pyOpenSSL~=26.4.0; python_version >= "3.9"',
+    'pyOpenSSL~=26.4.0',
     'mypy>=0.800',
 ]
 dev = [

setup.py

@@ -1,8 +1,8 @@
 import sys
 
 vi = sys.version_info
-if vi < (3, 8):
-    raise RuntimeError('uvloop requires Python 3.8 or greater')
+if vi < (3, 9):
+    raise RuntimeError('uvloop requires Python 3.9 or greater')
 
 if sys.platform in ('win32', 'cygwin', 'cli'):
     raise RuntimeError('uvloop does not support Windows at the moment')

tests/test_base.py

@@ -837,11 +837,6 @@ async def main():
             self.fail(result.stdout.strip())
 
     def test_thread_name_prefix_in_default_executor(self):
-        if self.implementation == "asyncio" and sys.version_info < (3, 9):
-            raise unittest.SkipTest(
-                "thread_name_prefix was added in CPython 3.9"
-            )
-
         called = []
 
         def cb():

tests/test_sockets.py

@@ -3,7 +3,6 @@
 import pickle
 import select
 import socket
-import sys
 import time
 import unittest
 
@@ -161,11 +160,6 @@ def test_socket_sync_remove_and_immediately_close(self):
             self.loop.run_until_complete(asyncio.sleep(0.01))
 
     def test_sock_cancel_add_reader_race(self):
-        if self.is_asyncio_loop() and sys.version_info[:2] == (3, 8):
-            # asyncio 3.8.x has a regression; fixed in 3.9.0
-            # tracked in https://bugs.python.org/issue30064
-            raise unittest.SkipTest()
-
         srv_sock_conn = None
 
         async def server():
@@ -217,11 +211,6 @@ async def send_server_data():
         self.loop.run_until_complete(server())
 
     def test_sock_send_before_cancel(self):
-        if self.is_asyncio_loop() and sys.version_info[:2] == (3, 8):
-            # asyncio 3.8.x has a regression; fixed in 3.9.0
-            # tracked in https://bugs.python.org/issue30064
-            raise unittest.SkipTest()
-
         srv_sock_conn = None
 
         async def server():

tests/test_tcp.py

@@ -2525,7 +2525,7 @@ def prog(sock):
 
         async def start_server():
             extras = {'ssl_handshake_timeout': SSL_HANDSHAKE_TIMEOUT}
-            if self.implementation != 'asyncio':  # or self.PY38
+            if self.implementation != 'asyncio':
                 extras['ssl_shutdown_timeout'] = 0.5
 
             srv = await asyncio.start_server(
@@ -2647,10 +2647,6 @@ def unwrap_server(sock):
                 except ssl.SSLError as ex:
                     # Since OpenSSL 1.1.1, it raises "application data after
                     # close notify"
-                    # Python < 3.8:
-                    if ex.reason == 'KRB5_S_INIT':
-                        break
-                    # Python >= 3.8:
                     if ex.reason == 'APPLICATION_DATA_AFTER_CLOSE_NOTIFY':
                         break
                     raise ex

tests/test_udp.py

@@ -317,8 +317,6 @@ def _skip_create_datagram_endpoint_reuse_addr(self):
         if self.implementation == 'asyncio':
             if sys.version_info[:2] >= (3, 11):
                 raise unittest.SkipTest()
-            if (3, 8, 0) <= sys.version_info < (3, 8, 1):
-                raise unittest.SkipTest()
 
     def test_create_datagram_endpoint_reuse_address_error(self):
         # bpo-37228: Ensure that explicit passing of `reuse_address=True`

uvloop/__init__.py

@@ -71,10 +71,7 @@ async def wrapper():
                 try:
                     _cancel_all_tasks(loop)
                     loop.run_until_complete(loop.shutdown_asyncgens())
-                    if hasattr(loop, 'shutdown_default_executor'):
-                        loop.run_until_complete(
-                            loop.shutdown_default_executor()
-                        )
+                    loop.run_until_complete(loop.shutdown_default_executor())
                 finally:
                     __asyncio.set_event_loop(None)
                     loop.close()

uvloop/loop.pyx

@@ -48,7 +48,6 @@ include "includes/stdlib.pxi"
 include "errors.pyx"
 
 cdef:
-    int PY39 = PY_VERSION_HEX >= 0x03090000
     int PY311 = PY_VERSION_HEX >= 0x030b0000
     int PY313 = PY_VERSION_HEX >= 0x030d0000
     uint64_t MAX_SLEEP = 3600 * 24 * 365 * 100
@@ -3315,15 +3314,9 @@ class _SyncSocketReaderFuture(aio_Future):
             self.__loop.remove_reader(self.__sock)
             self.__sock = None
 
-    if PY39:
-        def cancel(self, msg=None):
-            self.__remove_reader()
-            aio_Future.cancel(self, msg=msg)
-
-    else:
-        def cancel(self):
-            self.__remove_reader()
-            aio_Future.cancel(self)
+    def cancel(self, msg=None):
+        self.__remove_reader()
+        aio_Future.cancel(self, msg=msg)
 
 
 class _SyncSocketWriterFuture(aio_Future):
@@ -3338,15 +3331,9 @@ class _SyncSocketWriterFuture(aio_Future):
             self.__loop.remove_writer(self.__sock)
             self.__sock = None
 
-    if PY39:
-        def cancel(self, msg=None):
-            self.__remove_writer()
-            aio_Future.cancel(self, msg=msg)
-
-    else:
-        def cancel(self):
-            self.__remove_writer()
-            aio_Future.cancel(self)
+    def cancel(self, msg=None):
+        self.__remove_writer()
+        aio_Future.cancel(self, msg=msg)
 
 
 include "cbhandles.pyx"