77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
from django.core.management.base import NoArgsCommand
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from django.db import connections, router, models
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from south.models import MigrationHistory
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from south.management.commands import syncdb, migrate
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from django.core.management.commands import syncdb as django_syncdb
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class Command(NoArgsCommand):
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option_list = django_syncdb.Command.option_list
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help = '''syncdb + migrate, with "migrate --fake app 0001" for apps with new initial migrations'''
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def handle_noargs(self, *args, **options):
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# step 1 : syncdb, create all apps without migrations
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syncdb.Command().execute(migrate_all=False, migrate=False, **options)
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# step 2 : detect and "fake 0001" all installed apps that had never
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# migrated (applications in database but not in south history)
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# detect installed models
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# (code borrowed from django syncdb command)
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db = options.get('database')
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connection = connections[db]
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cursor = connection.cursor()
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tables = connection.introspection.table_names()
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def model_in_database(model):
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opts = model._meta
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converter = connection.introspection.table_name_converter
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return (converter(opts.db_table) in tables) or \
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(opts.auto_created and converter(opts.auto_created._meta.db_table) in tables)
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# list all applications with south migration
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# (code borrowed from south migrate command)
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from south import migration
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apps = list(migration.all_migrations())
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applied_migrations = MigrationHistory.objects.filter(app_name__in=[app.app_label() for app in apps])
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applied_migrations_lookup = dict(('%s.%s' % (mi.app_name, mi.migration), mi) for mi in applied_migrations)
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print
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print 'Status after syncdb:'
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for app in apps:
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# for each app with migrations, list already applied migrations
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applied_migrations = []
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for migration in app:
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full_name = migration.app_label() + "." + migration.name()
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if full_name in applied_migrations_lookup:
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applied_migration = applied_migrations_lookup[full_name]
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if applied_migration.applied:
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applied_migrations.append(migration.name())
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# try all models in database, if there none, the application is new
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# (because south syncdb does not create any tables)
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new = True
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for m in models.get_models(app.get_application().models):
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if model_in_database(m):
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new = False
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break
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if new:
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status = 'application-is-new'
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elif not applied_migrations:
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status = 'migration-is-new'
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else:
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status = 'normal'
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print ' - %s: %s' % (app.app_label(), status)
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if status == 'migration-is-new':
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print ' need fake migration to 0001_initial'
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# migrate --fake gdc 0001
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migrate.Command().execute(app=app.app_label(), target='0001', fake=True)
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print
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migrate.Command().execute(**options)
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