fix: avoid error message on graceful shutdown

.github/workflows/cd.yml

@@ -9,7 +9,7 @@ jobs:
 
     validate-release-tag:
 
-        if: github.repository == 'circus-tent/circus'
+        if: github.repository == 'bentoml/kantoku'
         runs-on: ubuntu-20.04
 
         steps:
@@ -32,7 +32,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
+                python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', 'pypy-3.9']
 
         steps:
         -   uses: actions/checkout@v3

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', 'pypy-3.7', 'pypy-3.8', 'pypy-3.9']
+        python-version: ['3.9', '3.13', 'pypy-3.9']
 
     steps:
     - uses: actions/checkout@v3
@@ -42,7 +42,7 @@ jobs:
 
     strategy:
       matrix:
-        os: ['macos-12']
+        os: ['macos-15']
         skip-tests: [false]
         include:
           - os: windows-2019

circus/arbiter.py

@@ -581,6 +581,8 @@ def start_io_loop(self):
     def stop(self):
         logger.info('Arbiter exiting')
         self._stopping = True
+        if self.ctrl.caller is not None:
+            self.ctrl.caller.stop()
         yield self._stop_watchers(close_output_streams=True)
         if self._provided_loop:
             cb = self.stop_controller_and_close_sockets

pyproject.toml

@@ -3,10 +3,11 @@ requires = ['flit_core>=3.4,<4']
 build-backend = 'flit_core.buildapi'
 
 [project]
-name = 'circus'
+name = 'kantoku'
 dynamic = ['description', 'version']
 authors = [
-    {name = 'Mozilla Foundation & contributors', email = '[email protected]'}
+    {name = 'Mozilla Foundation & contributors', email = '[email protected]'},
+    {name = 'BentoML Team', email = '[email protected]'}
 ]
 readme = 'README.md'
 license = {file = 'LICENSE'}
@@ -22,6 +23,8 @@ classifiers = [
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
+    'Programming Language :: Python :: 3.13',
 ]
 requires-python = '>=3.7'
 dependencies = [
@@ -31,7 +34,7 @@ dependencies = [
 ]
 
 [project.urls]
-Source = 'https://github.com/circus-tent/circus'
+Source = 'https://github.com/bentoml/kantoku'
 Documentation = 'https://circus.readthedocs.io'
 
 [project.optional-dependencies]
@@ -75,7 +78,7 @@ testpaths = [
 legacy_tox_ini = """
 [tox]
 isolated_build = True
-envlist = py37,py38,py39,py310,py311,pypy37,pypy38,pypy39,flake8,docs
+envlist = py39,py310,py311,py312,py313,pypy39,flake8,docs
 
 [testenv]
 passenv = PWD

tests/support.py

@@ -14,7 +14,7 @@
 import sysconfig
 import concurrent
 
-from unittest import skip, skipIf, TestCase, TestSuite, findTestCases  # noqa: F401
+from unittest import skip, skipIf, TestCase, TestSuite
 
 from tornado.testing import AsyncTestCase
 from unittest import mock
@@ -100,7 +100,11 @@ def _stop_clients(self):
         self._clients.clear()
 
     def get_new_ioloop(self):
-        return get_ioloop()
+        # Create a new event loop instead of using the current one
+        from tornado.platform.asyncio import AsyncIOLoop
+        import asyncio
+        asyncio.set_event_loop(asyncio.new_event_loop())
+        return AsyncIOLoop()
 
     def tearDown(self):
         for file in self.files + self.tmpfiles:
@@ -128,6 +132,13 @@ def tearDown(self):
 
         self.arbiters = []
         super(TestCircus, self).tearDown()
+        # Clean up the event loop
+        loop = self.io_loop
+        if loop is not None:
+            try:
+                loop.close(all_fds=True)
+            except Exception:
+                pass
 
     def make_plugin(self, klass, endpoint=DEFAULT_ENDPOINT_DEALER,
                     sub=DEFAULT_ENDPOINT_SUB, check_delay=1,

tests/venv/lib/python3.12/orig-prefix.txt

@@ -0,0 +1 @@
+/Library/Frameworks/Python.framework/Versions/3.12

tests/venv/lib/python3.12/site-packages/easy-install.pth

@@ -0,0 +1,3 @@
+import sys; sys.__plen = len(sys.path)
+./pip-7.7-py3.12.egg
+import sys; new=sys.path[sys.__plen:]; del sys.path[sys.__plen:]; p=getattr(sys,'__egginsert',0); sys.path[p:p]=new; sys.__egginsert = p+len(new)

tests/venv/lib/python3.13/orig-prefix.txt

@@ -0,0 +1 @@
+/Library/Frameworks/Python.framework/Versions/3.13

tests/venv/lib/python3.13/site-packages/easy-install.pth

@@ -0,0 +1,3 @@
+import sys; sys.__plen = len(sys.path)
+./pip-7.7-py3.13.egg
+import sys; new=sys.path[sys.__plen:]; del sys.path[sys.__plen:]; p=getattr(sys,'__egginsert',0); sys.path[p:p]=new; sys.__egginsert = p+len(new)