id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 5311 Validation of erroneous data model breaks with AttributeError instead of a useful message (like it used to) raik.gruenberg@… nobody "I've updated the data model of my django project and run manage.py sql to check the changes. I obviously made an error but rather than reporting it, the current svn revision of django breaks with the following traceback: {{{ brickitserver|~/py/djbrickit> python manage.py sql repository Traceback (most recent call last): File ""manage.py"", line 11, in execute_manager(settings) File ""/usr/lib/python2.5/site-packages/django/core/management/__init__.py"", line 180, in execute_manager utility.execute(argv) File ""/usr/lib/python2.5/site-packages/django/core/management/__init__.py"", line 124, in execute command.execute(*args[1:], **options.__dict__) File ""/usr/lib/python2.5/site-packages/django/core/management/base.py"", line 33, in execute self.validate() File ""/usr/lib/python2.5/site-packages/django/core/management/base.py"", line 60, in validate num_errors = get_validation_errors(s, app) File ""/usr/lib/python2.5/site-packages/django/core/management/validation.py"", line 72, in get_validation_errors rel_opts = f.rel.to._meta AttributeError: 'str' object has no attribute '_meta' }}} By contrast, svn revision 5000 gives this nice informative error message for the same command: {{{ brickitserver|~/py/brickit/djbrickit> python manage.py sql repository Error: One or more models did not validate: djbrickit.repository: name 'BRICK_Format_CHOICES' is not defined }}} The offending part of my model looks like this: {{{ class Biobrick: BRICK_FORMAT_CHOICES = ( ('classic', 'classic biobrick format'),... ) ... brick_format = models.CharField( 'format of Biobrick', maxlength=30, choices=BRICK_Format_CHOICES, default='classic' ) ... }}} " closed Core (Management commands) dev duplicate model validation sprintsept14 Accepted 0 0 0 0 0 0