django1/django/contrib/auth/management/__init__.py

77 lines
2.8 KiB
Python

"""
Creates permissions for all installed apps that need permissions.
"""
from django.contrib.auth import models as auth_app
from django.db.models import get_models, signals
def _get_permission_codename(action, opts):
return u'%s_%s' % (action, opts.object_name.lower())
def _get_all_permissions(opts):
"Returns (codename, name) for all permissions in the given opts."
perms = []
for action in ('add', 'change', 'delete'):
perms.append((_get_permission_codename(action, opts), u'Can %s %s' % (action, opts.verbose_name_raw)))
return perms + list(opts.permissions)
def create_permissions(app, created_models, verbosity, **kwargs):
from django.contrib.contenttypes.models import ContentType
app_models = get_models(app)
# This will hold the permissions we're looking for as
# (content_type, (codename, name))
searched_perms = set()
# The codenames and ctypes that should exist.
ctypes = set()
for klass in app_models:
ctype = ContentType.objects.get_for_model(klass)
ctypes.add(ctype)
for perm in _get_all_permissions(klass._meta):
searched_perms.add((ctype, perm))
# Find all the Permissions that have a context_type for a model we're
# looking for. We don't need to check for codenames since we already have
# a list of the ones we're going to create.
all_perms = set(auth_app.Permission.objects.filter(
content_type__in=ctypes,
).values_list(
"content_type", "codename"
))
for ctype, (codename, name) in searched_perms:
# If the permissions exists, move on.
if (ctype.pk, codename) in all_perms:
continue
p = auth_app.Permission.objects.create(
codename=codename,
name=name,
content_type=ctype
)
if verbosity >= 2:
print "Adding permission '%s'" % p
def create_superuser(app, created_models, verbosity, **kwargs):
from django.core.management import call_command
if auth_app.User in created_models and kwargs.get('interactive', True):
msg = ("\nYou just installed Django's auth system, which means you "
"don't have any superusers defined.\nWould you like to create one "
"now? (yes/no): ")
confirm = raw_input(msg)
while 1:
if confirm not in ('yes', 'no'):
confirm = raw_input('Please enter either "yes" or "no": ')
continue
if confirm == 'yes':
call_command("createsuperuser", interactive=True)
break
signals.post_syncdb.connect(create_permissions,
dispatch_uid = "django.contrib.auth.management.create_permissions")
signals.post_syncdb.connect(create_superuser,
sender=auth_app, dispatch_uid = "django.contrib.auth.management.create_superuser")