Trouble using South with Django and Heroku

Posted by Dan on Stack Overflow See other posts from Stack Overflow or by Dan
Published on 2012-04-13T05:24:29Z Indexed on 2012/04/13 5:29 UTC
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I had an existing Django project that I've just added South to.

I ran syncdb locally. I ran manage.py schemamigration app_name locally I ran manage.py migrate app_name --fake locally I commit and pushed to heroku master I ran syncdb on heroku I ran manage.py schemamigration app_name on heroku I ran manage.py migrate app_name on heroku

I then receive this:

$ heroku run python notecard/manage.py migrate notecards
Running python notecard/manage.py migrate notecards attached to terminal... up, run.1
Running migrations for notecards:
 - Migrating forwards to 0005_initial.
 > notecards:0003_initial
Traceback (most recent call last):
  File "notecard/manage.py", line 14, in <module>
    execute_manager(settings)
  File "/app/lib/python2.7/site-packages/django/core/management/__init__.py", line 438, in execute_manager
    utility.execute()
  File "/app/lib/python2.7/site-packages/django/core/management/__init__.py", line 379, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/app/lib/python2.7/site-packages/django/core/management/base.py", line 191, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/app/lib/python2.7/site-packages/django/core/management/base.py", line 220, in execute
    output = self.handle(*args, **options)
  File "/app/lib/python2.7/site-packages/south/management/commands/migrate.py", line 105, in handle
    ignore_ghosts = ignore_ghosts,
  File "/app/lib/python2.7/site-packages/south/migration/__init__.py", line 191, in migrate_app
    success = migrator.migrate_many(target, workplan, database)
  File "/app/lib/python2.7/site-packages/south/migration/migrators.py", line 221, in migrate_many
    result = migrator.__class__.migrate_many(migrator, target, migrations, database)
  File "/app/lib/python2.7/site-packages/south/migration/migrators.py", line 292, in migrate_many
    result = self.migrate(migration, database)
  File "/app/lib/python2.7/site-packages/south/migration/migrators.py", line 125, in migrate
    result = self.run(migration)
  File "/app/lib/python2.7/site-packages/south/migration/migrators.py", line 99, in run
    return self.run_migration(migration)
  File "/app/lib/python2.7/site-packages/south/migration/migrators.py", line 81, in run_migration
    migration_function()
  File "/app/lib/python2.7/site-packages/south/migration/migrators.py", line 57, in <lambda>
    return (lambda: direction(orm))
  File "/app/notecard/notecards/migrations/0003_initial.py", line 15, in forwards
    ('user', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'])),
  File "/app/lib/python2.7/site-packages/south/db/generic.py", line 226, in create_table
    ', '.join([col for col in columns if col]),
  File "/app/lib/python2.7/site-packages/south/db/generic.py", line 150, in execute
    cursor.execute(sql, params)
  File "/app/lib/python2.7/site-packages/django/db/backends/util.py", line 34, in execute
    return self.cursor.execute(sql, params)
  File "/app/lib/python2.7/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 44, in execute
    return self.cursor.execute(query, args)
django.db.utils.DatabaseError: relation "notecards_semester" already exists

I have 3 models. Section, Semester, and Notecards. I've added one field to the Notecards model and I cannot get it added on Heroku.

Thank you.

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