"""
Creates permissions for all installed apps that need permissions.
"""
from django.db.models import get_models,signals
from django.contrib.auth import models
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
from django.contrib.auth.models import Permission
app_models = get_models(app)
if not app_models:
return
for klass in app_models:
ctype = ContentType.objects.get_for_model(klass)
for codename, name in _get_all_permissions(klass._meta):
p, created = Permission.objects.get_or_create(codename=codename, content_type__pk=ctype.id,
defaults={'name': name, 'content_type': ctype})
if created and verbosity >= 2:
print "Adding permission '%s'" % p
def create_superuser(app, created_models, verbosity, **kwargs):
from django.contrib.auth.models import User
from django.core.management import call_command
if 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")
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