224 lines
7.5 KiB
Python
224 lines
7.5 KiB
Python
"""
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Functionality:
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- Application startup
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- Apply migrations
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"""
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import os
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from time import sleep
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from django.core.management.base import BaseCommand, CommandError
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from home.src.es.connect import ElasticWrap, IndexPaginate
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from home.src.es.index_setup import ElasitIndexWrap
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from home.src.es.snapshot import ElasticSnapshot
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from home.src.index.filesystem import Filesystem
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from home.src.index.video_streams import MediaStreamExtractor
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from home.src.ta.config import AppConfig, ReleaseVersion
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from home.src.ta.helper import clear_dl_cache
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from home.src.ta.ta_redis import RedisArchivist
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from home.src.ta.task_manager import TaskManager
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TOPIC = """
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#######################
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# Application Start #
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#######################
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"""
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class Command(BaseCommand):
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"""command framework"""
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# pylint: disable=no-member
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def handle(self, *args, **options):
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"""run all commands"""
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self.stdout.write(TOPIC)
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self._sync_redis_state()
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self._make_folders()
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self._release_locks()
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self._clear_tasks()
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self._clear_dl_cache()
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self._version_check()
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self._mig_index_setup()
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self._mig_snapshot_check()
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self._mig_set_streams()
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self._mig_set_autostart()
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def _sync_redis_state(self):
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"""make sure redis gets new config.json values"""
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self.stdout.write("[1] set new config.json values")
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needs_update = AppConfig().load_new_defaults()
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if needs_update:
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self.stdout.write(
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self.style.SUCCESS(" ✓ new config values set")
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)
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else:
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self.stdout.write(self.style.SUCCESS(" no new config values"))
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def _make_folders(self):
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"""make expected cache folders"""
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self.stdout.write("[2] create expected cache folders")
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folders = [
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"backup",
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"channels",
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"download",
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"import",
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"playlists",
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"videos",
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]
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cache_dir = AppConfig().config["application"]["cache_dir"]
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for folder in folders:
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folder_path = os.path.join(cache_dir, folder)
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os.makedirs(folder_path, exist_ok=True)
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self.stdout.write(self.style.SUCCESS(" ✓ expected folders created"))
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def _release_locks(self):
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"""make sure there are no leftover locks set in redis"""
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self.stdout.write("[3] clear leftover locks in redis")
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all_locks = [
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"dl_queue_id",
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"dl_queue",
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"downloading",
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"manual_import",
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"reindex",
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"rescan",
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"run_backup",
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"startup_check",
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]
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redis_con = RedisArchivist()
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has_changed = False
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for lock in all_locks:
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if redis_con.del_message(lock):
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self.stdout.write(
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self.style.SUCCESS(f" ✓ cleared lock {lock}")
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)
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has_changed = True
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if not has_changed:
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self.stdout.write(self.style.SUCCESS(" no locks found"))
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def _clear_tasks(self):
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"""clear tasks and messages"""
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self.stdout.write("[4] clear task leftovers")
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TaskManager().fail_pending()
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redis_con = RedisArchivist()
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to_delete = redis_con.list_keys("message:")
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if to_delete:
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for key in to_delete:
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redis_con.del_message(key)
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self.stdout.write(
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self.style.SUCCESS(f" ✓ cleared {len(to_delete)} messages")
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)
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def _clear_dl_cache(self):
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"""clear leftover files from dl cache"""
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self.stdout.write("[5] clear leftover files from dl cache")
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config = AppConfig().config
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leftover_files = clear_dl_cache(config)
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if leftover_files:
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self.stdout.write(
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self.style.SUCCESS(f" ✓ cleared {leftover_files} files")
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)
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else:
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self.stdout.write(self.style.SUCCESS(" no files found"))
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def _version_check(self):
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"""remove new release key if updated now"""
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self.stdout.write("[6] check for first run after update")
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new_version = ReleaseVersion().is_updated()
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if new_version:
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self.stdout.write(
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self.style.SUCCESS(f" ✓ update to {new_version} completed")
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)
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else:
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self.stdout.write(self.style.SUCCESS(" no new update found"))
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def _mig_index_setup(self):
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"""migration: validate index mappings"""
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self.stdout.write("[MIGRATION] validate index mappings")
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ElasitIndexWrap().setup()
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def _mig_snapshot_check(self):
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"""migration setup snapshots"""
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self.stdout.write("[MIGRATION] setup snapshots")
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ElasticSnapshot().setup()
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def _mig_set_streams(self):
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"""migration: update from 0.3.5 to 0.3.6, set streams and media_size"""
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self.stdout.write("[MIGRATION] index streams and media size")
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videos = AppConfig().config["application"]["videos"]
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data = {
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"query": {
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"bool": {"must_not": [{"exists": {"field": "streams"}}]}
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},
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"_source": ["media_url", "youtube_id"],
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}
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all_missing = IndexPaginate("ta_video", data).get_results()
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if not all_missing:
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self.stdout.write(" no videos need updating")
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return
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self.stdout.write(" start filesystem rescan")
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Filesystem().process()
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total = len(all_missing)
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for idx, missing in enumerate(all_missing):
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media_url = missing["media_url"]
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youtube_id = missing["youtube_id"]
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media_path = os.path.join(videos, media_url)
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if not os.path.exists(media_path):
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self.stdout.write(f" file not found: {media_path}")
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continue
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media = MediaStreamExtractor(media_path)
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vid_data = {
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"doc": {
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"streams": media.extract_metadata(),
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"media_size": media.get_file_size(),
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}
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}
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path = f"ta_video/_update/{youtube_id}"
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response, status_code = ElasticWrap(path).post(data=vid_data)
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if not status_code == 200:
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self.stdout.errors(
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f" update failed: {path}, {response}, {status_code}"
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)
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if idx % 100 == 0:
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self.stdout.write(f" progress {idx}/{total}")
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def _mig_set_autostart(self):
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"""migration: update from 0.3.5 to 0.3.6 set auto_start to false"""
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self.stdout.write("[MIGRATION] set default download auto_start")
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data = {
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"query": {
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"bool": {"must_not": [{"exists": {"field": "auto_start"}}]}
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},
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"script": {"source": "ctx._source['auto_start'] = false"},
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}
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path = "ta_download/_update_by_query"
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response, status_code = ElasticWrap(path).post(data=data)
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if status_code == 200:
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updated = response.get("updated", 0)
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if updated:
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self.stdout.write(
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self.style.SUCCESS(
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f" ✓ {updated} videos updated in ta_download"
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)
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)
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else:
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self.stdout.write(
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" no videos needed updating in ta_download"
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)
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return
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message = " 🗙 ta_download auto_start update failed"
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self.stdout.write(self.style.ERROR(message))
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self.stdout.write(response)
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sleep(60)
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raise CommandError(message)
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