Viewing file:  check.py (2.4 KB) -rw-r--r--
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from django.apps import apps
from django.core import checks
from django.core.checks.registry import registry
from django.core.management.base import BaseCommand, CommandError
class Command(BaseCommand):
help = "Checks the entire Django project for potential problems."
requires_system_checks = []
def add_arguments(self, parser):
parser.add_argument('args', metavar='app_label', nargs='*')
parser.add_argument(
'--tag', '-t', action='append', dest='tags',
help='Run only checks labeled with given tag.',
)
parser.add_argument(
'--list-tags', action='store_true',
help='List available tags.',
)
parser.add_argument(
'--deploy', action='store_true',
help='Check deployment settings.',
)
parser.add_argument(
'--fail-level',
default='ERROR',
choices=['CRITICAL', 'ERROR', 'WARNING', 'INFO', 'DEBUG'],
help=(
'Message level that will cause the command to exit with a '
'non-zero status. Default is ERROR.'
),
)
parser.add_argument(
'--database', action='append', dest='databases',
help='Run database related checks against these aliases.',
)
def handle(self, *app_labels, **options):
include_deployment_checks = options['deploy']
if options['list_tags']:
self.stdout.write('\n'.join(sorted(registry.tags_available(include_deployment_checks))))
return
if app_labels:
app_configs = [apps.get_app_config(app_label) for app_label in app_labels]
else:
app_configs = None
tags = options['tags']
if tags:
try:
invalid_tag = next(
tag for tag in tags if not checks.tag_exists(tag, include_deployment_checks)
)
except StopIteration:
# no invalid tags
pass
else:
raise CommandError('There is no system check with the "%s" tag.' % invalid_tag)
self.check(
app_configs=app_configs,
tags=tags,
display_num_errors=True,
include_deployment_checks=include_deployment_checks,
fail_level=getattr(checks, options['fail_level']),
databases=options['databases'],
)
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