--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/app/django/core/management/commands/syncdb.py Fri Jul 18 18:22:23 2008 +0000
@@ -0,0 +1,140 @@
+from django.core.management.base import NoArgsCommand
+from django.core.management.color import no_style
+from optparse import make_option
+import sys
+
+try:
+ set
+except NameError:
+ from sets import Set as set # Python 2.3 fallback
+
+class Command(NoArgsCommand):
+ option_list = NoArgsCommand.option_list + (
+ make_option('--verbosity', action='store', dest='verbosity', default='1',
+ type='choice', choices=['0', '1', '2'],
+ help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
+ make_option('--noinput', action='store_false', dest='interactive', default=True,
+ help='Tells Django to NOT prompt the user for input of any kind.'),
+ )
+ help = "Create the database tables for all apps in INSTALLED_APPS whose tables haven't already been created."
+
+ def handle_noargs(self, **options):
+ from django.db import connection, transaction, models
+ from django.conf import settings
+ from django.core.management.sql import table_names, installed_models, sql_model_create, sql_for_pending_references, many_to_many_sql_for_model, custom_sql_for_model, sql_indexes_for_model, emit_post_sync_signal
+
+ verbosity = int(options.get('verbosity', 1))
+ interactive = options.get('interactive')
+
+ 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__(app_name + '.management', {}, {}, [''])
+ except ImportError, exc:
+ if not exc.args[0].startswith('No module named management'):
+ raise
+
+ cursor = connection.cursor()
+
+ if connection.features.uses_case_insensitive_names:
+ table_name_converter = lambda x: x.upper()
+ else:
+ table_name_converter = lambda x: x
+ # Get a list of all existing database tables, so we know what needs to
+ # be added.
+ tables = [table_name_converter(name) for name in table_names()]
+
+ # Get a list of already installed *models* so that references work right.
+ seen_models = installed_models(tables)
+ created_models = set()
+ pending_references = {}
+
+ # Create the tables for each model
+ for app in models.get_apps():
+ app_name = app.__name__.split('.')[-2]
+ model_list = models.get_models(app)
+ 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)
+ if table_name_converter(model._meta.db_table) in tables:
+ continue
+ sql, references = sql_model_create(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(sql_for_pending_references(refto, self.style, pending_references))
+ sql.extend(sql_for_pending_references(model, self.style, pending_references))
+ if verbosity >= 1:
+ print "Creating table %s" % model._meta.db_table
+ for statement in sql:
+ cursor.execute(statement)
+ tables.append(table_name_converter(model._meta.db_table))
+
+ # Create the m2m tables. This must be done after all tables have been created
+ # to ensure that all referred tables will exist.
+ for app in models.get_apps():
+ app_name = app.__name__.split('.')[-2]
+ model_list = models.get_models(app)
+ for model in model_list:
+ if model in created_models:
+ sql = many_to_many_sql_for_model(model, self.style)
+ if sql:
+ if verbosity >= 2:
+ print "Creating many-to-many tables for %s.%s model" % (app_name, model._meta.object_name)
+ for statement in sql:
+ cursor.execute(statement)
+
+ transaction.commit_unless_managed()
+
+ # 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)
+
+ # Install custom SQL for the app (but only if this
+ # is a model we've just created)
+ for app in models.get_apps():
+ app_name = app.__name__.split('.')[-2]
+ for model in models.get_models(app):
+ if model in created_models:
+ custom_sql = custom_sql_for_model(model)
+ 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" % \
+ (app_name, model._meta.object_name, e))
+ transaction.rollback_unless_managed()
+ else:
+ transaction.commit_unless_managed()
+
+ # Install SQL indicies for all newly created models
+ for app in models.get_apps():
+ app_name = app.__name__.split('.')[-2]
+ for model in models.get_models(app):
+ if model in created_models:
+ index_sql = 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" % \
+ (app_name, model._meta.object_name, e))
+ transaction.rollback_unless_managed()
+ else:
+ transaction.commit_unless_managed()
+
+ # Install the 'initial_data' fixture, using format discovery
+ from django.core.management import call_command
+ call_command('loaddata', 'initial_data', verbosity=verbosity)