mirror of https://github.com/zulip/zulip.git
63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
from __future__ import absolute_import
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from __future__ import print_function
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from typing import Any
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from argparse import ArgumentParser
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from django.core.management.base import BaseCommand
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from zerver.lib.queue import queue_json_publish
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import sys
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import ujson
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def error(*args):
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# type: (*Any) -> None
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raise Exception('We cannot enqueue because settings.USING_RABBITMQ is False.')
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class Command(BaseCommand):
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help = """Read JSON lines from a file and enqueue them to a worker queue.
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Each line in the file should either be a JSON payload or two tab-separated
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fields, the second of which is a JSON payload. (The latter is to accomodate
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the format of error files written by queue workers that catch exceptions--their
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first field is a timestamp that we ignore.)
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You can use "-" to represent stdin.
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"""
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def add_arguments(self, parser):
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# type: (ArgumentParser) -> None
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parser.add_argument('queue_name', metavar='<queue>', type=str,
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help="name of worker queue to enqueue to")
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parser.add_argument('file_name', metavar='<file>', type=str,
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help="name of file containing JSON lines")
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def handle(self, *args, **options):
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# type: (*Any, **str) -> None
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queue_name = options['queue_name']
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file_name = options['file_name']
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if file_name == '-':
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f = sys.stdin
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else:
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f = open(file_name)
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while True:
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line = f.readline()
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if not line:
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break
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line = line.strip()
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try:
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payload = line.split('\t')[1]
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except IndexError:
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payload = line
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print('Queueing to queue %s: %s' % (queue_name, payload))
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# Verify that payload is valid json.
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data = ujson.loads(payload)
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queue_json_publish(queue_name, data, error)
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