django1/django/contrib/sites/management.py

37 lines
1.5 KiB
Python

"""
Creates the default Site object.
"""
from django.db.models import signals
from django.db import connections
from django.db import router
from django.contrib.sites.models import Site
from django.contrib.sites import models as site_app
from django.core.management.color import no_style
def create_default_site(app, created_models, verbosity, db, **kwargs):
# Only create the default sites in databases where Django created the table
if Site in created_models and router.allow_syncdb(db, Site) :
# The default settings set SITE_ID = 1, and some tests in Django's test
# suite rely on this value. However, if database sequences are reused
# (e.g. in the test suite after flush/syncdb), it isn't guaranteed that
# the next id will be 1, so we coerce it. See #15573 and #16353. This
# can also crop up outside of tests - see #15346.
if verbosity >= 2:
print("Creating example.com Site object")
Site(pk=1, domain="example.com", name="example.com").save(using=db)
# We set an explicit pk instead of relying on auto-incrementation,
# so we need to reset the database sequence. See #17415.
sequence_sql = connections[db].ops.sequence_reset_sql(no_style(), [Site])
if sequence_sql:
if verbosity >= 2:
print("Resetting sequence")
cursor = connections[db].cursor()
for command in sequence_sql:
cursor.execute(command)
Site.objects.clear_cache()
signals.post_syncdb.connect(create_default_site, sender=site_app)