django1/django/core/management/commands/check.py

53 lines
1.9 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
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 = False
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', dest='list_tags',
help='List available tags.')
parser.add_argument('--deploy', action='store_true', dest='deploy',
help='Check deployment settings.')
def handle(self, *app_labels, **options):
include_deployment_checks = options['deploy']
if options.get('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.get('tags', None)
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,
)