d32016274b
This also speeds up returning exhaust sockets to the pool when the server returns an error and fixes the tests to run against all MongoDB versions we test against.
786 lines
26 KiB
Python
786 lines
26 KiB
Python
# Copyright 2012-2014 MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Utilities for testing pymongo
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"""
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import gc
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import os
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import struct
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import sys
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import threading
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import time
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from nose.plugins.skip import SkipTest
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from bson.son import SON
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from pymongo import MongoClient, MongoReplicaSetClient
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from pymongo.errors import AutoReconnect, ConnectionFailure, OperationFailure
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from pymongo.pool import NO_REQUEST, NO_SOCKET_YET, SocketInfo
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from test import host, port, version
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try:
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import gevent
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has_gevent = True
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except ImportError:
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has_gevent = False
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# No functools in Python 2.4
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def my_partial(f, *args, **kwargs):
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def _f(*new_args, **new_kwargs):
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final_kwargs = kwargs.copy()
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final_kwargs.update(new_kwargs)
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return f(*(args + new_args), **final_kwargs)
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return _f
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def one(s):
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"""Get one element of a set"""
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return iter(s).next()
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def oid_generated_on_client(doc):
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"""Is this process's PID in the document's _id?"""
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pid_from_doc = struct.unpack(">H", doc['_id'].binary[7:9])[0]
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return (os.getpid() % 0xFFFF) == pid_from_doc
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def delay(sec):
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# Javascript sleep() only available in MongoDB since version ~1.9
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return '''function() {
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var d = new Date((new Date()).getTime() + %s * 1000);
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while (d > (new Date())) { }; return true;
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}''' % sec
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def get_command_line(client):
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command_line = client.admin.command('getCmdLineOpts')
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assert command_line['ok'] == 1, "getCmdLineOpts() failed"
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return command_line
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def server_started_with_option(client, cmdline_opt, config_opt):
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"""Check if the server was started with a particular option.
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:Parameters:
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- `cmdline_opt`: The command line option (i.e. --nojournal)
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- `config_opt`: The config file option (i.e. nojournal)
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"""
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command_line = get_command_line(client)
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if 'parsed' in command_line:
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parsed = command_line['parsed']
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if config_opt in parsed:
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return parsed[config_opt]
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argv = command_line['argv']
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return cmdline_opt in argv
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def server_started_with_auth(client):
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command_line = get_command_line(client)
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# MongoDB >= 2.0
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if 'parsed' in command_line:
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parsed = command_line['parsed']
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# MongoDB >= 2.6
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if 'security' in parsed:
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security = parsed['security']
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# >= rc3
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if 'authorization' in security:
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return security['authorization'] == 'enabled'
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# < rc3
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return security.get('auth', False) or bool(security.get('keyFile'))
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return parsed.get('auth', False) or bool(parsed.get('keyFile'))
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# Legacy
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argv = command_line['argv']
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return '--auth' in argv or '--keyFile' in argv
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def server_started_with_nojournal(client):
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command_line = get_command_line(client)
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# MongoDB 2.6.
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if 'parsed' in command_line:
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parsed = command_line['parsed']
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if 'storage' in parsed:
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storage = parsed['storage']
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if 'journal' in storage:
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return not storage['journal']['enabled']
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return server_started_with_option(client, '--nojournal', 'nojournal')
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def server_is_master_with_slave(client):
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command_line = get_command_line(client)
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if 'parsed' in command_line:
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return command_line['parsed'].get('master', False)
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return '--master' in command_line['argv']
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def drop_collections(db):
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for coll in db.collection_names():
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if not coll.startswith('system'):
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db.drop_collection(coll)
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def remove_all_users(db):
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if version.at_least(db.connection, (2, 5, 3, -1)):
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db.command({"dropAllUsersFromDatabase": 1})
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else:
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db.system.users.remove({})
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def joinall(threads):
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"""Join threads with a 5-minute timeout, assert joins succeeded"""
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for t in threads:
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t.join(300)
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assert not t.isAlive(), "Thread %s hung" % t
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def is_mongos(client):
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res = client.admin.command('ismaster')
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return res.get('msg', '') == 'isdbgrid'
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def enable_text_search(client):
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client.admin.command(
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'setParameter', textSearchEnabled=True)
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if isinstance(client, MongoReplicaSetClient):
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for host, port in client.secondaries:
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MongoClient(host, port).admin.command(
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'setParameter', textSearchEnabled=True)
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def assertRaisesExactly(cls, fn, *args, **kwargs):
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"""
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Unlike the standard assertRaises, this checks that a function raises a
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specific class of exception, and not a subclass. E.g., check that
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MongoClient() raises ConnectionFailure but not its subclass, AutoReconnect.
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"""
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try:
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fn(*args, **kwargs)
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except Exception, e:
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assert e.__class__ == cls, "got %s, expected %s" % (
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e.__class__.__name__, cls.__name__)
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else:
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raise AssertionError("%s not raised" % cls)
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def looplet(greenlets):
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"""World's smallest event loop; run until all greenlets are done
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"""
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while True:
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done = True
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for g in greenlets:
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if not g.dead:
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done = False
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g.switch()
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if done:
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return
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class RendezvousThread(threading.Thread):
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"""A thread that starts and pauses at a rendezvous point before resuming.
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To be used in tests that must ensure that N threads are all alive
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simultaneously, regardless of thread-scheduling's vagaries.
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1. Write a subclass of RendezvousThread and override before_rendezvous
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and / or after_rendezvous.
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2. Create a state with RendezvousThread.shared_state(N)
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3. Start N of your subclassed RendezvousThreads, passing the state to each
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one's __init__
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4. In the main thread, call RendezvousThread.wait_for_rendezvous
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5. Test whatever you need to test while threads are paused at rendezvous
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point
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6. In main thread, call RendezvousThread.resume_after_rendezvous
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7. Join all threads from main thread
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8. Assert that all threads' "passed" attribute is True
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9. Test post-conditions
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"""
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class RendezvousState(object):
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def __init__(self, nthreads):
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# Number of threads total
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self.nthreads = nthreads
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# Number of threads that have arrived at rendezvous point
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self.arrived_threads = 0
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self.arrived_threads_lock = threading.Lock()
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# Set when all threads reach rendezvous
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self.ev_arrived = threading.Event()
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# Set by resume_after_rendezvous() so threads can continue.
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self.ev_resume = threading.Event()
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@classmethod
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def create_shared_state(cls, nthreads):
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return RendezvousThread.RendezvousState(nthreads)
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def before_rendezvous(self):
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"""Overridable: Do this before the rendezvous"""
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pass
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def after_rendezvous(self):
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"""Overridable: Do this after the rendezvous. If it throws no exception,
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`passed` is set to True
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"""
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pass
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@classmethod
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def wait_for_rendezvous(cls, state):
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"""Wait for all threads to reach rendezvous and pause there"""
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state.ev_arrived.wait(10)
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assert state.ev_arrived.isSet(), "Thread timeout"
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assert state.nthreads == state.arrived_threads
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@classmethod
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def resume_after_rendezvous(cls, state):
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"""Tell all the paused threads to continue"""
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state.ev_resume.set()
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def __init__(self, state):
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"""Params:
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`state`: A shared state object from RendezvousThread.shared_state()
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"""
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super(RendezvousThread, self).__init__()
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self.state = state
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self.passed = False
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# If this thread fails to terminate, don't hang the whole program
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self.setDaemon(True)
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def _rendezvous(self):
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"""Pause until all threads arrive here"""
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s = self.state
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s.arrived_threads_lock.acquire()
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s.arrived_threads += 1
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if s.arrived_threads == s.nthreads:
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s.arrived_threads_lock.release()
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s.ev_arrived.set()
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else:
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s.arrived_threads_lock.release()
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s.ev_arrived.wait()
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def run(self):
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try:
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self.before_rendezvous()
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finally:
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self._rendezvous()
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# all threads have passed the rendezvous, wait for
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# resume_after_rendezvous()
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self.state.ev_resume.wait()
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self.after_rendezvous()
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self.passed = True
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def read_from_which_host(
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rsc,
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mode,
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tag_sets=None,
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secondary_acceptable_latency_ms=15
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):
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"""Read from a MongoReplicaSetClient with the given Read Preference mode,
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tags, and acceptable latency. Return the 'host:port' which was read from.
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:Parameters:
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- `rsc`: A MongoReplicaSetClient
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- `mode`: A ReadPreference
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- `tag_sets`: List of dicts of tags for data-center-aware reads
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- `secondary_acceptable_latency_ms`: a float
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"""
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db = rsc.pymongo_test
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db.read_preference = mode
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if isinstance(tag_sets, dict):
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tag_sets = [tag_sets]
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db.tag_sets = tag_sets or [{}]
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db.secondary_acceptable_latency_ms = secondary_acceptable_latency_ms
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cursor = db.test.find()
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try:
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try:
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cursor.next()
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except StopIteration:
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# No documents in collection, that's fine
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pass
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return cursor._Cursor__connection_id
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except AutoReconnect:
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return None
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def assertReadFrom(testcase, rsc, member, *args, **kwargs):
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"""Check that a query with the given mode, tag_sets, and
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secondary_acceptable_latency_ms reads from the expected replica-set
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member
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:Parameters:
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- `testcase`: A unittest.TestCase
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- `rsc`: A MongoReplicaSetClient
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- `member`: A host:port expected to be used
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- `mode`: A ReadPreference
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- `tag_sets` (optional): List of dicts of tags for data-center-aware reads
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- `secondary_acceptable_latency_ms` (optional): a float
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"""
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for _ in range(10):
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testcase.assertEqual(member, read_from_which_host(rsc, *args, **kwargs))
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def assertReadFromAll(testcase, rsc, members, *args, **kwargs):
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"""Check that a query with the given mode, tag_sets, and
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secondary_acceptable_latency_ms reads from all members in a set, and
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only members in that set.
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:Parameters:
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- `testcase`: A unittest.TestCase
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- `rsc`: A MongoReplicaSetClient
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- `members`: Sequence of host:port expected to be used
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- `mode`: A ReadPreference
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- `tag_sets` (optional): List of dicts of tags for data-center-aware reads
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- `secondary_acceptable_latency_ms` (optional): a float
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"""
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members = set(members)
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used = set()
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for _ in range(100):
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used.add(read_from_which_host(rsc, *args, **kwargs))
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testcase.assertEqual(members, used)
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def get_pool(client):
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if isinstance(client, MongoClient):
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return client._MongoClient__member.pool
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elif isinstance(client, MongoReplicaSetClient):
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rs_state = client._MongoReplicaSetClient__rs_state
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return rs_state.primary_member.pool
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else:
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raise TypeError(str(client))
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def pools_from_rs_client(client):
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"""Get Pool instances from a MongoReplicaSetClient or ReplicaSetConnection.
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"""
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return [
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member.pool for member in
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client._MongoReplicaSetClient__rs_state.members]
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class TestRequestMixin(object):
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"""Inherit from this class and from unittest.TestCase to get some
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convenient methods for testing connection pools and requests
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"""
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def assertSameSock(self, pool):
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sock_info0 = pool.get_socket()
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sock_info1 = pool.get_socket()
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self.assertEqual(sock_info0, sock_info1)
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pool.maybe_return_socket(sock_info0)
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pool.maybe_return_socket(sock_info1)
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def assertDifferentSock(self, pool):
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sock_info0 = pool.get_socket()
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sock_info1 = pool.get_socket()
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self.assertNotEqual(sock_info0, sock_info1)
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pool.maybe_return_socket(sock_info0)
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pool.maybe_return_socket(sock_info1)
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def assertNoRequest(self, pool):
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self.assertEqual(NO_REQUEST, pool._get_request_state())
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def assertNoSocketYet(self, pool):
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self.assertEqual(NO_SOCKET_YET, pool._get_request_state())
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def assertRequestSocket(self, pool):
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self.assertTrue(isinstance(pool._get_request_state(), SocketInfo))
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def assertInRequestAndSameSock(self, client, pools):
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self.assertTrue(client.in_request())
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if not isinstance(pools, list):
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pools = [pools]
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for pool in pools:
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self.assertTrue(pool.in_request())
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self.assertSameSock(pool)
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def assertNotInRequestAndDifferentSock(self, client, pools):
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self.assertFalse(client.in_request())
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if not isinstance(pools, list):
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pools = [pools]
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for pool in pools:
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self.assertFalse(pool.in_request())
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self.assertDifferentSock(pool)
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# Constants for run_threads and _TestLazyConnectMixin.
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NTRIALS = 5
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NTHREADS = 10
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def run_threads(collection, target, use_greenlets):
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"""Run a target function in many threads.
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target is a function taking a Collection and an integer.
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"""
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threads = []
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for i in range(NTHREADS):
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bound_target = my_partial(target, collection, i)
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if use_greenlets:
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threads.append(gevent.Greenlet(run=bound_target))
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else:
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threads.append(threading.Thread(target=bound_target))
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for t in threads:
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t.start()
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for t in threads:
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t.join(30)
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if use_greenlets:
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# bool(Greenlet) is True if it's alive.
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assert not t
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else:
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assert not t.isAlive()
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def lazy_client_trial(reset, target, test, get_client, use_greenlets):
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"""Test concurrent operations on a lazily-connecting client.
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`reset` takes a collection and resets it for the next trial.
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`target` takes a lazily-connecting collection and an index from
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0 to NTHREADS, and performs some operation, e.g. an insert.
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`test` takes the lazily-connecting collection and asserts a
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post-condition to prove `target` succeeded.
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"""
|
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if use_greenlets and not has_gevent:
|
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raise SkipTest('Gevent not installed')
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|
|
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collection = MongoClient(host, port).pymongo_test.test
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|
|
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# Make concurrency bugs more likely to manifest.
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interval = None
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if not sys.platform.startswith('java'):
|
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if hasattr(sys, 'getswitchinterval'):
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interval = sys.getswitchinterval()
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sys.setswitchinterval(1e-6)
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else:
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interval = sys.getcheckinterval()
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sys.setcheckinterval(1)
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|
|
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try:
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for i in range(NTRIALS):
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reset(collection)
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lazy_client = get_client(
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_connect=False, use_greenlets=use_greenlets)
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lazy_collection = lazy_client.pymongo_test.test
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run_threads(lazy_collection, target, use_greenlets)
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test(lazy_collection)
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|
|
finally:
|
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if not sys.platform.startswith('java'):
|
|
if hasattr(sys, 'setswitchinterval'):
|
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sys.setswitchinterval(interval)
|
|
else:
|
|
sys.setcheckinterval(interval)
|
|
|
|
|
|
class _TestLazyConnectMixin(object):
|
|
"""Test concurrent operations on a lazily-connecting client.
|
|
|
|
Inherit from this class and from unittest.TestCase, and override
|
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_get_client(self, **kwargs), for testing a lazily-connecting
|
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client, i.e. a client initialized with _connect=False.
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|
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Set use_greenlets = True to test with Gevent.
|
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"""
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use_greenlets = False
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|
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NTRIALS = 5
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NTHREADS = 10
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|
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def test_insert(self):
|
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def reset(collection):
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collection.drop()
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|
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def insert(collection, _):
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collection.insert({})
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|
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def test(collection):
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self.assertEqual(NTHREADS, collection.count())
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lazy_client_trial(
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reset, insert, test,
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self._get_client, self.use_greenlets)
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|
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def test_save(self):
|
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def reset(collection):
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collection.drop()
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|
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def save(collection, _):
|
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collection.save({})
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|
|
def test(collection):
|
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self.assertEqual(NTHREADS, collection.count())
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|
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lazy_client_trial(
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reset, save, test,
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self._get_client, self.use_greenlets)
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|
|
def test_update(self):
|
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def reset(collection):
|
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collection.drop()
|
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collection.insert([{'i': 0}])
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|
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# Update doc 10 times.
|
|
def update(collection, i):
|
|
collection.update({}, {'$inc': {'i': 1}})
|
|
|
|
def test(collection):
|
|
self.assertEqual(NTHREADS, collection.find_one()['i'])
|
|
|
|
lazy_client_trial(
|
|
reset, update, test,
|
|
self._get_client, self.use_greenlets)
|
|
|
|
def test_remove(self):
|
|
def reset(collection):
|
|
collection.drop()
|
|
collection.insert([{'i': i} for i in range(NTHREADS)])
|
|
|
|
def remove(collection, i):
|
|
collection.remove({'i': i})
|
|
|
|
def test(collection):
|
|
self.assertEqual(0, collection.count())
|
|
|
|
lazy_client_trial(
|
|
reset, remove, test,
|
|
self._get_client, self.use_greenlets)
|
|
|
|
def test_find_one(self):
|
|
results = []
|
|
|
|
def reset(collection):
|
|
collection.drop()
|
|
collection.insert({})
|
|
results[:] = []
|
|
|
|
def find_one(collection, _):
|
|
results.append(collection.find_one())
|
|
|
|
def test(collection):
|
|
self.assertEqual(NTHREADS, len(results))
|
|
|
|
lazy_client_trial(
|
|
reset, find_one, test,
|
|
self._get_client, self.use_greenlets)
|
|
|
|
def test_max_bson_size(self):
|
|
# Client should have sane defaults before connecting, and should update
|
|
# its configuration once connected.
|
|
c = self._get_client(_connect=False)
|
|
self.assertEqual(16 * (1024 ** 2), c.max_bson_size)
|
|
self.assertEqual(2 * c.max_bson_size, c.max_message_size)
|
|
|
|
# Make the client connect, so that it sets its max_bson_size and
|
|
# max_message_size attributes.
|
|
ismaster = c.db.command('ismaster')
|
|
self.assertEqual(ismaster['maxBsonObjectSize'], c.max_bson_size)
|
|
if 'maxMessageSizeBytes' in ismaster:
|
|
self.assertEqual(
|
|
ismaster['maxMessageSizeBytes'],
|
|
c.max_message_size)
|
|
|
|
|
|
class _TestExhaustCursorMixin(object):
|
|
"""Test that clients properly handle errors from exhaust cursors.
|
|
|
|
Inherit from this class and from unittest.TestCase, and override
|
|
_get_client(self, **kwargs).
|
|
"""
|
|
def test_exhaust_query_server_error(self):
|
|
# When doing an exhaust query, the socket stays checked out on success
|
|
# but must be checked in on error to avoid semaphore leaks.
|
|
client = self._get_client(max_pool_size=1)
|
|
if is_mongos(client):
|
|
raise SkipTest("Can't use exhaust cursors with mongos")
|
|
if not version.at_least(client, (2, 2, 0)):
|
|
raise SkipTest("mongod < 2.2.0 closes exhaust socket on error")
|
|
|
|
collection = client.pymongo_test.test
|
|
pool = get_pool(client)
|
|
|
|
sock_info = one(pool.sockets)
|
|
# This will cause OperationFailure in all mongo versions since
|
|
# the value for $orderby must be a document.
|
|
cursor = collection.find(
|
|
SON([('$query', {}), ('$orderby', True)]), exhaust=True)
|
|
self.assertRaises(OperationFailure, cursor.next)
|
|
self.assertFalse(sock_info.closed)
|
|
|
|
# The semaphore was decremented despite the error.
|
|
self.assertTrue(pool._socket_semaphore.acquire(blocking=False))
|
|
|
|
def test_exhaust_getmore_server_error(self):
|
|
# When doing a getmore on an exhaust cursor, the socket stays checked
|
|
# out on success but must be checked in on error to avoid semaphore
|
|
# leaks.
|
|
client = self._get_client(max_pool_size=1)
|
|
if is_mongos(client):
|
|
raise SkipTest("Can't use exhaust cursors with mongos")
|
|
|
|
# A separate client that doesn't affect the test client's pool.
|
|
client2 = self._get_client()
|
|
|
|
collection = client.pymongo_test.test
|
|
collection.remove()
|
|
|
|
# Enough data to ensure it streams down for a few milliseconds.
|
|
long_str = 'a' * (256 * 1024)
|
|
collection.insert([{'a': long_str} for _ in range(200)])
|
|
|
|
pool = get_pool(client)
|
|
pool._check_interval_seconds = None # Never check.
|
|
sock_info = one(pool.sockets)
|
|
|
|
cursor = collection.find(exhaust=True)
|
|
|
|
# Initial query succeeds.
|
|
cursor.next()
|
|
|
|
# Cause a server error on getmore.
|
|
client2.pymongo_test.test.drop()
|
|
self.assertRaises(OperationFailure, list, cursor)
|
|
|
|
# Make sure the socket is still valid
|
|
self.assertEqual(0, collection.count())
|
|
|
|
def test_exhaust_query_network_error(self):
|
|
# When doing an exhaust query, the socket stays checked out on success
|
|
# but must be checked in on error to avoid semaphore leaks.
|
|
client = self._get_client(max_pool_size=1)
|
|
if is_mongos(client):
|
|
raise SkipTest("Can't use exhaust cursors with mongos")
|
|
|
|
collection = client.pymongo_test.test
|
|
pool = get_pool(client)
|
|
pool._check_interval_seconds = None # Never check.
|
|
|
|
# Cause a network error.
|
|
sock_info = one(pool.sockets)
|
|
sock_info.sock.close()
|
|
cursor = collection.find(exhaust=True)
|
|
self.assertRaises(ConnectionFailure, cursor.next)
|
|
self.assertTrue(sock_info.closed)
|
|
|
|
# The semaphore was decremented despite the error.
|
|
self.assertTrue(pool._socket_semaphore.acquire(blocking=False))
|
|
|
|
def test_exhaust_getmore_network_error(self):
|
|
# When doing a getmore on an exhaust cursor, the socket stays checked
|
|
# out on success but must be checked in on error to avoid semaphore
|
|
# leaks.
|
|
client = self._get_client(max_pool_size=1)
|
|
if is_mongos(client):
|
|
raise SkipTest("Can't use exhaust cursors with mongos")
|
|
|
|
collection = client.pymongo_test.test
|
|
collection.remove()
|
|
collection.insert([{} for _ in range(200)]) # More than one batch.
|
|
pool = get_pool(client)
|
|
pool._check_interval_seconds = None # Never check.
|
|
|
|
cursor = collection.find(exhaust=True)
|
|
|
|
# Initial query succeeds.
|
|
cursor.next()
|
|
|
|
# Cause a network error.
|
|
sock_info = cursor._Cursor__exhaust_mgr.sock
|
|
sock_info.sock.close()
|
|
|
|
# A getmore fails.
|
|
self.assertRaises(ConnectionFailure, list, cursor)
|
|
self.assertTrue(sock_info.closed)
|
|
|
|
# The semaphore was decremented despite the error.
|
|
self.assertTrue(pool._socket_semaphore.acquire(blocking=False))
|
|
|
|
|
|
# Backport of WarningMessage from python 2.6, with fixed syntax for python 2.4.
|
|
class WarningMessage(object):
|
|
|
|
"""Holds the result of a single showwarning() call."""
|
|
|
|
_WARNING_DETAILS = ("message", "category", "filename", "lineno", "file",
|
|
"line")
|
|
|
|
def __init__(self, message, category,
|
|
filename, lineno, file=None, line=None):
|
|
local_values = locals()
|
|
for attr in self._WARNING_DETAILS:
|
|
setattr(self, attr, local_values[attr])
|
|
self._category_name = None
|
|
if category:
|
|
self._category_name = category.__name__
|
|
|
|
def __str__(self):
|
|
return ("{message : %r, category : %r, filename : %r, lineno : %s, "
|
|
"line : %r}" % (self.message, self._category_name,
|
|
self.filename, self.lineno, self.line))
|
|
|
|
|
|
# Rough backport of warnings.catch_warnings from python 2.6,
|
|
# with changes to support python 2.4.
|
|
class CatchWarnings(object):
|
|
"""A non-context manager version of warnings.catch_warnings.
|
|
|
|
The 'record' argument specifies whether warnings should be captured by a
|
|
custom implementation of warnings.showwarning() and be appended to a list
|
|
accessed through the `log` property. The objects appended to the list are
|
|
arguments whose attributes mirror the arguments to showwarning().
|
|
|
|
The 'module' argument is to specify an alternative module to the module
|
|
named 'warnings' and imported under that name. This argument is only useful
|
|
when testing the warnings module itself.
|
|
"""
|
|
|
|
def __init__(self, record=False, module=None):
|
|
self._record = record
|
|
if module is None:
|
|
self._module = sys.modules['warnings']
|
|
else:
|
|
self._module = module
|
|
|
|
# No __enter__ so do that work here
|
|
self._filters = self._module.filters
|
|
self._module.filters = self._filters[:]
|
|
self._showwarning = self._module.showwarning
|
|
self._log = []
|
|
if self._record:
|
|
def showwarning(*args, **kwargs):
|
|
self._log.append(WarningMessage(*args, **kwargs))
|
|
self._module.showwarning = showwarning
|
|
|
|
@property
|
|
def log(self):
|
|
"""A list of any warnings recorded when using record=True."""
|
|
return self._log
|
|
|
|
def __repr__(self):
|
|
args = []
|
|
if self._record:
|
|
args.append("record=True")
|
|
if self._module is not sys.modules['warnings']:
|
|
args.append("module=%r" % self._module)
|
|
name = type(self).__name__
|
|
return "%s(%s)" % (name, ", ".join(args))
|
|
|
|
def exit(self):
|
|
"""Revert changes to the warnings module."""
|
|
self._module.filters = self._filters
|
|
self._module.showwarning = self._showwarning
|
|
|
|
|
|
def catch_warnings(record=False, module=None):
|
|
"""Helper for use with CatchWarnings."""
|
|
return CatchWarnings(record, module)
|