Files
zulip/zerver/management/commands/import.py
Vishnu Ks 123bcea518 management: Don't use sys.exit(1).
Using sys.exit in a management command makes it impossible
to unit test the code in question.  The correct approach to do the same
thing in Django management commands is to raise CommandError.

Followup of b570c0dafa
2019-05-03 14:20:39 -07:00

81 lines
3.4 KiB
Python

import argparse
import os
import subprocess
from typing import Any
from django.conf import settings
from django.core.management import call_command
from django.core.management.base import BaseCommand, CommandParser, CommandError
from zerver.lib.import_realm import do_import_realm, do_import_system_bots
from zerver.forms import check_subdomain_available
class Command(BaseCommand):
help = """Import extracted Zulip database dump directories into a fresh Zulip instance.
This command should be used only on a newly created, empty Zulip instance to
import a database dump from one or more JSON files."""
def add_arguments(self, parser: CommandParser) -> None:
parser.add_argument('--destroy-rebuild-database',
dest='destroy_rebuild_database',
default=False,
action="store_true",
help='Destroys and rebuilds the databases prior to import.')
parser.add_argument('--import-into-nonempty',
dest='import_into_nonempty',
default=False,
action="store_true",
help='Import into an existing nonempty database.')
parser.add_argument('subdomain', metavar='<subdomain>',
type=str, help="Subdomain")
parser.add_argument('export_paths', nargs='+',
metavar='<export path>',
help="list of export directories to import")
parser.add_argument('--processes',
dest='processes',
action="store",
default=6,
help='Number of processes to use for uploading Avatars to S3 in parallel')
parser.formatter_class = argparse.RawTextHelpFormatter
def do_destroy_and_rebuild_database(self, db_name: str) -> None:
call_command('flush', verbosity=0, interactive=False)
subprocess.check_call([os.path.join(settings.DEPLOY_ROOT, "scripts/setup/flush-memcached")])
def handle(self, *args: Any, **options: Any) -> None:
num_processes = int(options['processes'])
if num_processes < 1:
raise CommandError('You must have at least one process.')
subdomain = options['subdomain']
if options["destroy_rebuild_database"]:
print("Rebuilding the database!")
db_name = settings.DATABASES['default']['NAME']
self.do_destroy_and_rebuild_database(db_name)
elif options["import_into_nonempty"]:
print("NOTE: The argument 'import_into_nonempty' is now the default behavior.")
check_subdomain_available(subdomain, from_management_command=True)
paths = []
for path in options['export_paths']:
path = os.path.realpath(os.path.expanduser(path))
if not os.path.exists(path):
raise CommandError("Directory not found: '%s'" % (path,))
if not os.path.isdir(path):
raise CommandError("Export file should be folder; if it's a "
"tarball, please unpack it first.")
paths.append(path)
for path in paths:
print("Processing dump: %s ..." % (path,))
realm = do_import_realm(path, subdomain, num_processes)
print("Checking the system bots.")
do_import_system_bots(realm)