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8e7ce7cc79
This is a preparatory commit for using isort for sorting all of our imports, merging changes to files where we can easily review the changes as something we're happy with. These are also files with relatively little active development, which means we don't expect much merge conflict risk from these changes.
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
"""\
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Deliver email messages that have been queued by various things
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(at this time invitation reminders and day1/day2 followup emails).
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This management command is run via supervisor. Do not run on multiple
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machines, as you may encounter multiple sends in a specific race
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condition. (Alternatively, you can set `EMAIL_DELIVERER_DISABLED=True`
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on all but one machine to make the command have no effect.)
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"""
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import logging
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import time
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from typing import Any
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from django.conf import settings
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from django.core.management.base import BaseCommand
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from django.utils.timezone import now as timezone_now
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from zerver.lib.logging_util import log_to_file
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from zerver.lib.management import sleep_forever
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from zerver.lib.send_email import EmailNotDeliveredException, deliver_email
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from zerver.models import ScheduledEmail
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## Setup ##
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logger = logging.getLogger(__name__)
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log_to_file(logger, settings.EMAIL_DELIVERER_LOG_PATH)
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class Command(BaseCommand):
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help = """Deliver emails queued by various parts of Zulip
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(either for immediate sending or sending at a specified time).
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Run this command under supervisor. This is for SMTP email delivery.
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Usage: ./manage.py deliver_email
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"""
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def handle(self, *args: Any, **options: Any) -> None:
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if settings.EMAIL_DELIVERER_DISABLED:
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sleep_forever()
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while True:
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email_jobs_to_deliver = ScheduledEmail.objects.filter(
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scheduled_timestamp__lte=timezone_now())
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if email_jobs_to_deliver:
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for job in email_jobs_to_deliver:
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try:
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deliver_email(job)
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except EmailNotDeliveredException:
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logger.warning("%r not delivered" % (job,))
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time.sleep(10)
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else:
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# Less load on the db during times of activity,
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# and more responsiveness when the load is low
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time.sleep(2)
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