Fixed #6719 -- Added a --traceback option to syncdb to provide a stack trace when custom SQL loading fails. Also added documentation for the --traceback option. Thanks to guettli for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7704 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/syncdb.py

@@ -25,6 +25,7 @@ class Command(NoArgsCommand):
 
         verbosity = int(options.get('verbosity', 1))
         interactive = options.get('interactive')
+        show_traceback = options.get('traceback', False)
 
         self.style = no_style()
 
@@ -119,12 +120,17 @@ class Command(NoArgsCommand):
                             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]

docs/django-admin.txt

@@ -756,6 +756,17 @@ variable.
 Note that this option is unnecessary in ``manage.py``, because it uses
 ``settings.py`` from the current project by default.
 
+--traceback
+-----------
+
+Example usage::
+
+    django-admin.py syncdb --traceback
+
+By default, ``django-admin.py`` will show a simple error message whenever an
+error occurs. If you specify ``--traceback``, ``django-admin.py``  will
+output a full stack trace whenever an exception is raised.
+
 Extra niceties
 ==============