--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/core/management/commands/syncdb.py Wed Jun 02 18:57:35 2010 +0200
@@ -0,0 +1,152 @@
+from optparse import make_option
+import sys
+
+from django.conf import settings
+from django.core.management.base import NoArgsCommand
+from django.core.management.color import no_style
+from django.core.management.sql import custom_sql_for_model, emit_post_sync_signal
+from django.db import connections, router, transaction, models, DEFAULT_DB_ALIAS
+from django.utils.datastructures import SortedDict
+from django.utils.importlib import import_module
+
+
+class Command(NoArgsCommand):
+ option_list = NoArgsCommand.option_list + (
+ make_option('--noinput', action='store_false', dest='interactive', default=True,
+ help='Tells Django to NOT prompt the user for input of any kind.'),
+ make_option('--database', action='store', dest='database',
+ default=DEFAULT_DB_ALIAS, help='Nominates a database to synchronize. '
+ 'Defaults to the "default" database.'),
+ )
+ help = "Create the database tables for all apps in INSTALLED_APPS whose tables haven't already been created."
+
+ def handle_noargs(self, **options):
+
+ verbosity = int(options.get('verbosity', 1))
+ interactive = options.get('interactive')
+ show_traceback = options.get('traceback', False)
+
+ self.style = no_style()
+
+ # Import the 'management' module within each installed app, to register
+ # dispatcher events.
+ for app_name in settings.INSTALLED_APPS:
+ try:
+ import_module('.management', app_name)
+ except ImportError, exc:
+ # This is slightly hackish. We want to ignore ImportErrors
+ # if the "management" module itself is missing -- but we don't
+ # want to ignore the exception if the management module exists
+ # but raises an ImportError for some reason. The only way we
+ # can do this is to check the text of the exception. Note that
+ # we're a bit broad in how we check the text, because different
+ # Python implementations may not use the same text.
+ # CPython uses the text "No module named management"
+ # PyPy uses "No module named myproject.myapp.management"
+ msg = exc.args[0]
+ if not msg.startswith('No module named') or 'management' not in msg:
+ raise
+
+ db = options.get('database', DEFAULT_DB_ALIAS)
+ connection = connections[db]
+ cursor = connection.cursor()
+
+ # Get a list of already installed *models* so that references work right.
+ tables = connection.introspection.table_names()
+ seen_models = connection.introspection.installed_models(tables)
+ created_models = set()
+ pending_references = {}
+
+ # Build the manifest of apps and models that are to be synchronized
+ all_models = [
+ (app.__name__.split('.')[-2],
+ [m for m in models.get_models(app, include_auto_created=True)
+ if router.allow_syncdb(db, m)])
+ for app in models.get_apps()
+ ]
+ def model_installed(model):
+ opts = model._meta
+ converter = connection.introspection.table_name_converter
+ return not ((converter(opts.db_table) in tables) or
+ (opts.auto_created and converter(opts.auto_created._meta.db_table) in tables))
+
+ manifest = SortedDict(
+ (app_name, filter(model_installed, model_list))
+ for app_name, model_list in all_models
+ )
+
+ # Create the tables for each model
+ for app_name, model_list in manifest.items():
+ for model in model_list:
+ # Create the model's database table, if it doesn't already exist.
+ if verbosity >= 2:
+ print "Processing %s.%s model" % (app_name, model._meta.object_name)
+ sql, references = connection.creation.sql_create_model(model, self.style, seen_models)
+ seen_models.add(model)
+ created_models.add(model)
+ for refto, refs in references.items():
+ pending_references.setdefault(refto, []).extend(refs)
+ if refto in seen_models:
+ sql.extend(connection.creation.sql_for_pending_references(refto, self.style, pending_references))
+ sql.extend(connection.creation.sql_for_pending_references(model, self.style, pending_references))
+ if verbosity >= 1 and sql:
+ print "Creating table %s" % model._meta.db_table
+ for statement in sql:
+ cursor.execute(statement)
+ tables.append(connection.introspection.table_name_converter(model._meta.db_table))
+
+
+ transaction.commit_unless_managed(using=db)
+
+ # Send the post_syncdb signal, so individual apps can do whatever they need
+ # to do at this point.
+ emit_post_sync_signal(created_models, verbosity, interactive, db)
+
+ # The connection may have been closed by a syncdb handler.
+ cursor = connection.cursor()
+
+ # Install custom SQL for the app (but only if this
+ # is a model we've just created)
+ for app_name, model_list in manifest.items():
+ for model in model_list:
+ if model in created_models:
+ custom_sql = custom_sql_for_model(model, self.style, connection)
+ if custom_sql:
+ if verbosity >= 1:
+ print "Installing custom SQL for %s.%s model" % (app_name, model._meta.object_name)
+ try:
+ for sql in custom_sql:
+ cursor.execute(sql)
+ except Exception, e:
+ sys.stderr.write("Failed to install custom SQL for %s.%s model: %s\n" % \
+ (app_name, model._meta.object_name, e))
+ if show_traceback:
+ import traceback
+ traceback.print_exc()
+ transaction.rollback_unless_managed(using=db)
+ else:
+ transaction.commit_unless_managed(using=db)
+ else:
+ if verbosity >= 2:
+ print "No custom SQL for %s.%s model" % (app_name, model._meta.object_name)
+
+ # Install SQL indicies for all newly created models
+ for app_name, model_list in manifest.items():
+ for model in model_list:
+ if model in created_models:
+ index_sql = connection.creation.sql_indexes_for_model(model, self.style)
+ if index_sql:
+ if verbosity >= 1:
+ print "Installing index for %s.%s model" % (app_name, model._meta.object_name)
+ try:
+ for sql in index_sql:
+ cursor.execute(sql)
+ except Exception, e:
+ sys.stderr.write("Failed to install index for %s.%s model: %s\n" % \
+ (app_name, model._meta.object_name, e))
+ transaction.rollback_unless_managed(using=db)
+ else:
+ transaction.commit_unless_managed(using=db)
+
+ from django.core.management import call_command
+ call_command('loaddata', 'initial_data', verbosity=verbosity, database=db)