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Support the deprecation of asyncore in python 3.12 #260

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Merged
merged 5 commits into from
Nov 27, 2023
Merged

Support the deprecation of asyncore in python 3.12 #260

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7fb07c4
Ignore AttributeError on eventlet import
fruch Oct 11, 2023
ed2b244
test_cluster: remove `import asyncore`
fruch Oct 12, 2023
34037ed
handle the case asyncore isn't available
fruch Oct 12, 2023
7148b87
cassandra/cluster.py: make asyncio default if asyncore not available
fruch Oct 17, 2023
6730c67
CI: enable builds of python 3.12 wheels
fruch Nov 19, 2023
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2 changes: 1 addition & 1 deletion .github/workflows/build-experimental.yml
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Expand Up @@ -4,7 +4,7 @@ on: [push, pull_request]
env:
CIBW_BEFORE_BUILD_LINUX: "rm -rf ~/.pyxbld && yum install -y libev libev-devel openssl openssl-devel"
CIBW_ENVIRONMENT: "CASS_DRIVER_BUILD_CONCURRENCY=2 CFLAGS='-g0 -O3'"
CIBW_BUILD: "cp38* cp39* cp310* cp311*"
CIBW_BUILD: "cp39* cp310* cp311* cp312*"
CIBW_SKIP: "*musllinux*"
jobs:
build_wheels:
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2 changes: 1 addition & 1 deletion .github/workflows/build-push.yml
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Expand Up @@ -10,7 +10,7 @@ env:
CIBW_BEFORE_TEST: "pip install -r {project}/test-requirements.txt"
CIBW_BEFORE_BUILD_LINUX: "rm -rf ~/.pyxbld && yum install -y libffi-devel libev libev-devel openssl openssl-devel"
CIBW_ENVIRONMENT: "CASS_DRIVER_BUILD_CONCURRENCY=2 CFLAGS='-g0 -O3'"
CIBW_SKIP: cp35* cp36* *musllinux* cp312*
CIBW_SKIP: cp35* cp36* *musllinux*

jobs:
build_wheels:
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19 changes: 14 additions & 5 deletions cassandra/cluster.py
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Expand Up @@ -101,7 +101,9 @@

try:
from cassandra.io.eventletreactor import EventletConnection
except ImportError:
except (ImportError, AttributeError):
# AttributeError was add for handling python 3.12 https://github.com/eventlet/eventlet/issues/812
# TODO: remove it when eventlet issue would be fixed
EventletConnection = None

try:
Expand All @@ -115,9 +117,13 @@
def _is_eventlet_monkey_patched():
if 'eventlet.patcher' not in sys.modules:
return False
import eventlet.patcher
return eventlet.patcher.is_monkey_patched('socket')

try:
import eventlet.patcher
return eventlet.patcher.is_monkey_patched('socket')
except (ImportError, AttributeError):
# AttributeError was add for handling python 3.12 https://github.com/eventlet/eventlet/issues/812
# TODO: remove it when eventlet issue would be fixed
return False

def _is_gevent_monkey_patched():
if 'gevent.monkey' not in sys.modules:
Expand All @@ -137,7 +143,10 @@ def _is_gevent_monkey_patched():
try:
from cassandra.io.libevreactor import LibevConnection as DefaultConnection # NOQA
except ImportError:
from cassandra.io.asyncorereactor import AsyncoreConnection as DefaultConnection # NOQA
try:
from cassandra.io.asyncorereactor import AsyncoreConnection as DefaultConnection # NOQA
except ImportError:
from cassandra.io.asyncioreactor import AsyncioConnection as DefaultConnection # NOQA

# Forces load of utf8 encoding module to avoid deadlock that occurs
# if code that is being imported tries to import the module in a seperate
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1 change: 0 additions & 1 deletion tests/integration/standard/test_cluster.py
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Expand Up @@ -11,7 +11,6 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import asyncore
import subprocess

import unittest
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8 changes: 6 additions & 2 deletions tests/integration/standard/test_connection.py
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Expand Up @@ -26,8 +26,12 @@

from cassandra import ConsistencyLevel, OperationTimedOut
from cassandra.cluster import NoHostAvailable, ConnectionShutdown, ExecutionProfile, EXEC_PROFILE_DEFAULT
import cassandra.io.asyncorereactor
from cassandra.io.asyncorereactor import AsyncoreConnection

try:
from cassandra.io.asyncorereactor import AsyncoreConnection
except ImportError:
AsyncoreConnection = None

from cassandra.protocol import QueryMessage
from cassandra.connection import Connection
from cassandra.policies import HostFilterPolicy, RoundRobinPolicy, HostStateListener
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19 changes: 13 additions & 6 deletions tests/integration/standard/test_scylla_cloud.py
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Expand Up @@ -6,15 +6,22 @@

from tests.integration import use_cluster
from cassandra.cluster import Cluster, TwistedConnection
from cassandra.io.asyncorereactor import AsyncoreConnection


from cassandra.io.libevreactor import LibevConnection
from cassandra.io.geventreactor import GeventConnection
from cassandra.io.eventletreactor import EventletConnection
from cassandra.io.asyncioreactor import AsyncioConnection
supported_connection_classes = [LibevConnection, TwistedConnection]
try:
from cassandra.io.asyncorereactor import AsyncoreConnection
supported_connection_classes += [AsyncoreConnection]
except ImportError:
pass

#from cassandra.io.geventreactor import GeventConnection
#from cassandra.io.eventletreactor import EventletConnection
#from cassandra.io.asyncioreactor import AsyncioConnection

supported_connection_classes = [AsyncoreConnection, LibevConnection, TwistedConnection]
# need to run them with specific configuration like `gevent.monkey.patch_all()` or under async functions
unsupported_connection_classes = [GeventConnection, AsyncioConnection, EventletConnection]
# unsupported_connection_classes = [GeventConnection, AsyncioConnection, EventletConnection]
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I don't immediately see why wouldn't AsyncioConnection work here. Did you try to run this test with it?
Also, is commenting out this line and 3 imports necessary?

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Asyncio wasn't working at all when those tests were written, so I didn't introduce it now

As for the comment, I rather not import the unused classes, it was for documenting only, and import of some of them now complicates things



class ScyllaCloudConfigTests(TestCase):
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