mirror of https://github.com/zulip/zulip.git
46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
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import glob
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import logging
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import os
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import shutil
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from argparse import ArgumentParser
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from typing import Any
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from django.core.management.base import BaseCommand
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from zerver.lib.export import export_usermessages_batch
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class Command(BaseCommand):
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help = """UserMessage fetching helper for export.py"""
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def add_arguments(self, parser: ArgumentParser) -> None:
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parser.add_argument('--path',
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dest='path',
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action="store",
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default=None,
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help='Path to find messages.json archives')
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parser.add_argument('--thread',
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dest='thread',
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action="store",
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default=None,
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help='Thread ID')
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def handle(self, *args: Any, **options: Any) -> None:
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logging.info("Starting UserMessage batch thread %s" % (options['thread'],))
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files = set(glob.glob(os.path.join(options['path'], 'messages-*.json.partial')))
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for partial_path in files:
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locked_path = partial_path.replace(".json.partial", ".json.locked")
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output_path = partial_path.replace(".json.partial", ".json")
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try:
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shutil.move(partial_path, locked_path)
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except Exception:
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# Already claimed by another process
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continue
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logging.info("Thread %s processing %s" % (options['thread'], output_path))
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try:
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export_usermessages_batch(locked_path, output_path)
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except Exception:
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# Put the item back in the free pool when we fail
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shutil.move(locked_path, partial_path)
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raise
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