app/django/core/management/commands/syncdb.py
changeset 323 ff1a9aa48cfd
parent 54 03e267d67478
--- a/app/django/core/management/commands/syncdb.py	Tue Oct 14 12:36:55 2008 +0000
+++ b/app/django/core/management/commands/syncdb.py	Tue Oct 14 16:00:59 2008 +0000
@@ -10,9 +10,6 @@
 
 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.'),
     )
@@ -21,10 +18,11 @@
     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
+        from django.core.management.sql import custom_sql_for_model, emit_post_sync_signal
 
         verbosity = int(options.get('verbosity', 1))
         interactive = options.get('interactive')
+        show_traceback = options.get('traceback', False)
 
         self.style = no_style()
 
@@ -34,21 +32,24 @@
             try:
                 __import__(app_name + '.management', {}, {}, [''])
             except ImportError, exc:
-                if not exc.args[0].startswith('No module named management'):
+                # 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
 
         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)
+        tables = connection.introspection.table_names()
+        seen_models = connection.introspection.installed_models(tables)
         created_models = set()
         pending_references = {}
 
@@ -60,21 +61,21 @@
                 # 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:
+                if connection.introspection.table_name_converter(model._meta.db_table) in tables:
                     continue
-                sql, references = sql_model_create(model, self.style, seen_models)
+                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(sql_for_pending_references(refto, self.style, pending_references))
-                sql.extend(sql_for_pending_references(model, self.style, pending_references))
+                        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:
                     print "Creating table %s" % model._meta.db_table
                 for statement in sql:
                     cursor.execute(statement)
-                tables.append(table_name_converter(model._meta.db_table))
+                tables.append(connection.introspection.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.
@@ -83,7 +84,7 @@
             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)
+                    sql = connection.creation.sql_for_many_to_many(model, self.style)
                     if sql:
                         if verbosity >= 2:
                             print "Creating many-to-many tables for %s.%s model" % (app_name, model._meta.object_name)
@@ -96,13 +97,16 @@
         # to do at this point.
         emit_post_sync_signal(created_models, verbosity, interactive)
 
+        # 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 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)
+                    custom_sql = custom_sql_for_model(model, self.style)
                     if custom_sql:
                         if verbosity >= 1:
                             print "Installing custom SQL for %s.%s model" % (app_name, model._meta.object_name)
@@ -110,18 +114,23 @@
                             for sql in custom_sql:
                                 cursor.execute(sql)
                         except Exception, e:
-                            sys.stderr.write("Failed to install custom SQL for %s.%s model: %s" % \
+                            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()
                         else:
                             transaction.commit_unless_managed()
-
+                    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 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)
+                    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)
@@ -129,7 +138,7 @@
                             for sql in index_sql:
                                 cursor.execute(sql)
                         except Exception, e:
-                            sys.stderr.write("Failed to install index for %s.%s model: %s" % \
+                            sys.stderr.write("Failed to install index for %s.%s model: %s\n" % \
                                                 (app_name, model._meta.object_name, e))
                             transaction.rollback_unless_managed()
                         else: