apps/south/management/commands/syncdb.py

   1 from django.core.management.base import NoArgsCommand, BaseCommand
   2 from django.core.management.color import no_style
   3 from django.utils.datastructures import SortedDict
   4 from optparse import make_option
   5 from south import migration
   6 from django.core.management.commands import syncdb
   7 from django.conf import settings
   8 from django.db import models
   9 from django.db.models.loading import cache
  10 from django.core import management
  11 import sys
  12
  13 def get_app_name(app):
  14     return '.'.join( app.__name__.split('.')[0:-1] )
  15
  16 class Command(NoArgsCommand):
  17     option_list = NoArgsCommand.option_list + (
  18         make_option('--noinput', action='store_false', dest='interactive', default=True,
  19             help='Tells Django to NOT prompt the user for input of any kind.'),
  20         make_option('--migrate', action='store_true', dest='migrate', default=False,
  21             help='Tells South to also perform migrations after the sync. Default for during testing, and other internal calls.'),
  22     )
  23     if '--verbosity' not in [opt.get_opt_string() for opt in BaseCommand.option_list]:
  24         option_list += (
  25             make_option('--verbosity', action='store', dest='verbosity', default='1',
  26             type='choice', choices=['0', '1', '2'],
  27             help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
  28         )
  29     help = "Create the database tables for all apps in INSTALLED_APPS whose tables haven't already been created, except those which use migrations."
  30
  31     def handle_noargs(self, **options):
  32         # Work out what uses migrations and so doesn't need syncing
  33         apps_needing_sync = []
  34         apps_migrated = []
  35         for app in models.get_apps():
  36             app_name = get_app_name(app)
  37             migrations = migration.get_app(app)
  38             if migrations is None:
  39                 apps_needing_sync.append(app_name)
  40             else:
  41                 # This is a migrated app, leave it
  42                 apps_migrated.append(app_name)
  43         verbosity = int(options.get('verbosity', 0))
  44         # Run syncdb on only the ones needed
  45         if verbosity > 0:
  46             print "Syncing..."
  47         old_installed, settings.INSTALLED_APPS = settings.INSTALLED_APPS, apps_needing_sync
  48         old_app_store, cache.app_store = cache.app_store, SortedDict([
  49             (k, v) for (k, v) in cache.app_store.items()
  50             if get_app_name(k) in apps_needing_sync
  51         ])
  52         syncdb.Command().execute(**options)
  53         settings.INSTALLED_APPS = old_installed
  54         cache.app_store = old_app_store
  55         # Migrate if needed
  56         if options.get('migrate', True):
  57             if verbosity > 0:
  58                 print "Migrating..."
  59             management.call_command('migrate', **options)
  60         # Be obvious about what we did
  61         if verbosity > 0:
  62             print "\nSynced:\n > %s" % "\n > ".join(apps_needing_sync)
  63
  64         if options.get('migrate', True):
  65             if verbosity > 0:
  66                 print "\nMigrated:\n - %s" % "\n - ".join(apps_migrated)
  67         else:
  68             if verbosity > 0:
  69                 print "\nNot synced (use migrations):\n - %s" % "\n - ".join(apps_migrated)
  70                 print "(use ./manage.py migrate to migrate these)"