239 lines
8.0 KiB
Python
239 lines
8.0 KiB
Python
# Copyright 2019 Matrix.org Foundation C.I.C.
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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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import argparse
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import json
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import logging
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import os
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import sys
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import tempfile
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from twisted.internet import defer, task
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import synapse
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from synapse.app import _base
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from synapse.config._base import ConfigError
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from synapse.config.homeserver import HomeServerConfig
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from synapse.config.logger import setup_logging
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from synapse.handlers.admin import ExfiltrationWriter
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from synapse.replication.slave.storage._base import BaseSlavedStore
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from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
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from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
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from synapse.replication.slave.storage.client_ips import SlavedClientIpStore
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from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
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from synapse.replication.slave.storage.devices import SlavedDeviceStore
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from synapse.replication.slave.storage.events import SlavedEventStore
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from synapse.replication.slave.storage.filtering import SlavedFilteringStore
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from synapse.replication.slave.storage.groups import SlavedGroupServerStore
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from synapse.replication.slave.storage.push_rule import SlavedPushRuleStore
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from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
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from synapse.replication.slave.storage.registration import SlavedRegistrationStore
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from synapse.replication.slave.storage.room import RoomStore
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from synapse.server import HomeServer
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from synapse.util.logcontext import LoggingContext
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from synapse.util.versionstring import get_version_string
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logger = logging.getLogger("synapse.app.admin_cmd")
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class AdminCmdSlavedStore(
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SlavedReceiptsStore,
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SlavedAccountDataStore,
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SlavedApplicationServiceStore,
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SlavedRegistrationStore,
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SlavedFilteringStore,
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SlavedGroupServerStore,
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SlavedDeviceInboxStore,
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SlavedDeviceStore,
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SlavedPushRuleStore,
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SlavedEventStore,
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SlavedClientIpStore,
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RoomStore,
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BaseSlavedStore,
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):
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pass
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class AdminCmdServer(HomeServer):
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DATASTORE_CLASS = AdminCmdSlavedStore
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async def export_data_command(hs, args):
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"""Export data for a user.
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Args:
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hs (HomeServer)
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args (argparse.Namespace)
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"""
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user_id = args.user_id
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directory = args.output_directory
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res = await hs.get_admin_handler().export_user_data(
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user_id, FileExfiltrationWriter(user_id, directory=directory)
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)
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print(res)
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class FileExfiltrationWriter(ExfiltrationWriter):
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"""An ExfiltrationWriter that writes the users data to a directory.
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Returns the directory location on completion.
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Note: This writes to disk on the main reactor thread.
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Args:
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user_id (str): The user whose data is being exfiltrated.
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directory (str|None): The directory to write the data to, if None then
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will write to a temporary directory.
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"""
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def __init__(self, user_id, directory=None):
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self.user_id = user_id
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if directory:
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self.base_directory = directory
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else:
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self.base_directory = tempfile.mkdtemp(
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prefix="synapse-exfiltrate__%s__" % (user_id,)
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)
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os.makedirs(self.base_directory, exist_ok=True)
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if list(os.listdir(self.base_directory)):
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raise Exception("Directory must be empty")
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def write_events(self, room_id, events):
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room_directory = os.path.join(self.base_directory, "rooms", room_id)
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os.makedirs(room_directory, exist_ok=True)
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events_file = os.path.join(room_directory, "events")
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with open(events_file, "a") as f:
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for event in events:
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print(json.dumps(event.get_pdu_json()), file=f)
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def write_state(self, room_id, event_id, state):
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room_directory = os.path.join(self.base_directory, "rooms", room_id)
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state_directory = os.path.join(room_directory, "state")
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os.makedirs(state_directory, exist_ok=True)
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event_file = os.path.join(state_directory, event_id)
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with open(event_file, "a") as f:
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for event in state.values():
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print(json.dumps(event.get_pdu_json()), file=f)
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def write_invite(self, room_id, event, state):
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self.write_events(room_id, [event])
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# We write the invite state somewhere else as they aren't full events
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# and are only a subset of the state at the event.
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room_directory = os.path.join(self.base_directory, "rooms", room_id)
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os.makedirs(room_directory, exist_ok=True)
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invite_state = os.path.join(room_directory, "invite_state")
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with open(invite_state, "a") as f:
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for event in state.values():
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print(json.dumps(event), file=f)
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def finished(self):
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return self.base_directory
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def start(config_options):
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parser = argparse.ArgumentParser(description="Synapse Admin Command")
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HomeServerConfig.add_arguments_to_parser(parser)
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subparser = parser.add_subparsers(
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title="Admin Commands",
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required=True,
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dest="command",
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metavar="<admin_command>",
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help="The admin command to perform.",
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)
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export_data_parser = subparser.add_parser(
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"export-data", help="Export all data for a user"
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)
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export_data_parser.add_argument("user_id", help="User to extra data from")
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export_data_parser.add_argument(
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"--output-directory",
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action="store",
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metavar="DIRECTORY",
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required=False,
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help="The directory to store the exported data in. Must be empty. Defaults"
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" to creating a temp directory.",
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)
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export_data_parser.set_defaults(func=export_data_command)
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try:
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config, args = HomeServerConfig.load_config_with_parser(parser, config_options)
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except ConfigError as e:
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sys.stderr.write("\n" + str(e) + "\n")
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sys.exit(1)
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if config.worker_app is not None:
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assert config.worker_app == "synapse.app.admin_cmd"
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# Update the config with some basic overrides so that don't have to specify
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# a full worker config.
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config.worker_app = "synapse.app.admin_cmd"
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if (
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not config.worker_daemonize
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and not config.worker_log_file
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and not config.worker_log_config
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):
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# Since we're meant to be run as a "command" let's not redirect stdio
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# unless we've actually set log config.
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config.no_redirect_stdio = True
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# Explicitly disable background processes
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config.update_user_directory = False
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config.run_background_tasks = False
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config.start_pushers = False
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config.pusher_shard_config.instances = []
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config.send_federation = False
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config.federation_shard_config.instances = []
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synapse.events.USE_FROZEN_DICTS = config.use_frozen_dicts
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ss = AdminCmdServer(
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config.server_name,
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config=config,
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version_string="Synapse/" + get_version_string(synapse),
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)
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setup_logging(ss, config, use_worker_options=True)
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ss.setup()
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# We use task.react as the basic run command as it correctly handles tearing
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# down the reactor when the deferreds resolve and setting the return value.
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# We also make sure that `_base.start` gets run before we actually run the
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# command.
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async def run():
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with LoggingContext("command"):
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_base.start(ss)
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await args.func(ss, args)
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_base.start_worker_reactor(
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"synapse-admin-cmd",
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config,
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run_command=lambda: task.react(lambda _reactor: defer.ensureDeferred(run())),
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)
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if __name__ == "__main__":
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with LoggingContext("main"):
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start(sys.argv[1:])
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